./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115416f6b9263aced1374dbb9cce15bd25dca014 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:43:20,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:20,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:20,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:20,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:20,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:20,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:20,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:20,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:20,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:20,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:20,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:20,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:20,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:20,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:20,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:20,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:20,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:20,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:20,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:20,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:20,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:20,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:20,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:20,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:20,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:20,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:20,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:20,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:20,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:20,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:20,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:20,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:20,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:20,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:20,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:20,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:20,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:20,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:20,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:20,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:20,997 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:21,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:21,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:21,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:21,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:21,020 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:21,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:21,020 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:21,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:21,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:21,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:21,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:21,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:21,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:21,021 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:21,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:21,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:21,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:21,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:21,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:21,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:21,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:21,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:21,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:21,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:21,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:21,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:21,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:21,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:21,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:21,024 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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(reach_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 -> 115416f6b9263aced1374dbb9cce15bd25dca014 [2020-10-20 01:43:21,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:21,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:21,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:21,238 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:21,240 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:21,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2020-10-20 01:43:21,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75794e04f/68a0f834ddd043a9887917936a7a39c3/FLAGce6303107 [2020-10-20 01:43:21,905 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:21,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2020-10-20 01:43:21,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75794e04f/68a0f834ddd043a9887917936a7a39c3/FLAGce6303107 [2020-10-20 01:43:22,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75794e04f/68a0f834ddd043a9887917936a7a39c3 [2020-10-20 01:43:22,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:22,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:22,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:22,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:22,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:22,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad2c2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22, skipping insertion in model container [2020-10-20 01:43:22,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:22,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:22,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:22,568 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:22,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:22,733 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:22,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22 WrapperNode [2020-10-20 01:43:22,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:22,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:22,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:22,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:22,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:22,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:22,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:22,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:22,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... [2020-10-20 01:43:22,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:22,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:22,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:22,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:22,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 01:43:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:22,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:22,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:24,004 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:24,005 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-10-20 01:43:24,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:24 BoogieIcfgContainer [2020-10-20 01:43:24,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:24,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:24,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:24,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:24,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:22" (1/3) ... [2020-10-20 01:43:24,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1d7904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:24, skipping insertion in model container [2020-10-20 01:43:24,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:22" (2/3) ... [2020-10-20 01:43:24,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1d7904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:24, skipping insertion in model container [2020-10-20 01:43:24,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:24" (3/3) ... [2020-10-20 01:43:24,019 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2020-10-20 01:43:24,030 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:24,037 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:24,050 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:24,075 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:24,076 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:24,076 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:24,076 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:24,076 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:24,077 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:24,077 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:24,077 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-10-20 01:43:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:43:24,103 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:24,104 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,110 INFO L82 PathProgramCache]: Analyzing trace with hash 520426591, now seen corresponding path program 1 times [2020-10-20 01:43:24,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074132142] [2020-10-20 01:43:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:24,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074132142] [2020-10-20 01:43:24,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:24,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:24,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702391079] [2020-10-20 01:43:24,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:24,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:24,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:24,411 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-10-20 01:43:24,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,449 INFO L93 Difference]: Finished difference Result 267 states and 398 transitions. [2020-10-20 01:43:24,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:24,451 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:43:24,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,463 INFO L225 Difference]: With dead ends: 267 [2020-10-20 01:43:24,464 INFO L226 Difference]: Without dead ends: 131 [2020-10-20 01:43:24,468 INFO L677 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 [2020-10-20 01:43:24,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-20 01:43:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-10-20 01:43:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-20 01:43:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-10-20 01:43:24,530 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2020-10-20 01:43:24,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,530 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-10-20 01:43:24,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-10-20 01:43:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:43:24,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:24,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:24,535 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1211840500, now seen corresponding path program 1 times [2020-10-20 01:43:24,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549105492] [2020-10-20 01:43:24,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:24,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549105492] [2020-10-20 01:43:24,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:24,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:24,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020437043] [2020-10-20 01:43:24,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:24,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:24,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:24,679 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-10-20 01:43:24,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,694 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-10-20 01:43:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:24,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:43:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,696 INFO L225 Difference]: With dead ends: 131 [2020-10-20 01:43:24,696 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:43:24,698 INFO L677 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 [2020-10-20 01:43:24,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:43:24,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:43:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:43:24,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-10-20 01:43:24,705 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2020-10-20 01:43:24,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,705 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-10-20 01:43:24,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-10-20 01:43:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:43:24,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,707 INFO L422 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] [2020-10-20 01:43:24,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:24,708 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1049766460, now seen corresponding path program 1 times [2020-10-20 01:43:24,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525542964] [2020-10-20 01:43:24,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:24,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525542964] [2020-10-20 01:43:24,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:24,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:24,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892159849] [2020-10-20 01:43:24,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:24,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:24,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:24,802 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-10-20 01:43:24,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,818 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-10-20 01:43:24,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:24,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:43:24,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,824 INFO L225 Difference]: With dead ends: 100 [2020-10-20 01:43:24,824 INFO L226 Difference]: Without dead ends: 53 [2020-10-20 01:43:24,825 INFO L677 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 [2020-10-20 01:43:24,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-20 01:43:24,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-20 01:43:24,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-20 01:43:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-10-20 01:43:24,832 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2020-10-20 01:43:24,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,832 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-10-20 01:43:24,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-10-20 01:43:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:43:24,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,834 INFO L422 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] [2020-10-20 01:43:24,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:24,834 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,835 INFO L82 PathProgramCache]: Analyzing trace with hash -927374502, now seen corresponding path program 1 times [2020-10-20 01:43:24,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288507207] [2020-10-20 01:43:24,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:24,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288507207] [2020-10-20 01:43:24,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:24,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:24,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327226082] [2020-10-20 01:43:24,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:24,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:24,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:24,915 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-10-20 01:43:24,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,972 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2020-10-20 01:43:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:24,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:43:24,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,973 INFO L225 Difference]: With dead ends: 123 [2020-10-20 01:43:24,974 INFO L226 Difference]: Without dead ends: 76 [2020-10-20 01:43:24,975 INFO L677 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 [2020-10-20 01:43:24,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-20 01:43:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2020-10-20 01:43:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-20 01:43:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2020-10-20 01:43:24,986 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2020-10-20 01:43:24,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,986 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2020-10-20 01:43:24,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2020-10-20 01:43:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:24,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,988 INFO L422 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] [2020-10-20 01:43:24,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:43:24,988 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,989 INFO L82 PathProgramCache]: Analyzing trace with hash -44236562, now seen corresponding path program 1 times [2020-10-20 01:43:24,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329439219] [2020-10-20 01:43:24,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:25,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329439219] [2020-10-20 01:43:25,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:25,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:25,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079882218] [2020-10-20 01:43:25,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:25,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:25,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:25,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:25,092 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand 5 states. [2020-10-20 01:43:25,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:25,214 INFO L93 Difference]: Finished difference Result 373 states and 541 transitions. [2020-10-20 01:43:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:25,215 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 01:43:25,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:25,218 INFO L225 Difference]: With dead ends: 373 [2020-10-20 01:43:25,218 INFO L226 Difference]: Without dead ends: 305 [2020-10-20 01:43:25,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:25,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-20 01:43:25,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-10-20 01:43:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-20 01:43:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2020-10-20 01:43:25,235 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 32 [2020-10-20 01:43:25,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:25,236 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2020-10-20 01:43:25,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2020-10-20 01:43:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:25,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:25,237 INFO L422 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] [2020-10-20 01:43:25,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:43:25,238 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:25,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:25,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1115283092, now seen corresponding path program 1 times [2020-10-20 01:43:25,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:25,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974153910] [2020-10-20 01:43:25,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:25,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974153910] [2020-10-20 01:43:25,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:25,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:25,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846607123] [2020-10-20 01:43:25,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:25,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:25,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:25,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:25,321 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand 4 states. [2020-10-20 01:43:25,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:25,433 INFO L93 Difference]: Finished difference Result 250 states and 352 transitions. [2020-10-20 01:43:25,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:43:25,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-20 01:43:25,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:25,435 INFO L225 Difference]: With dead ends: 250 [2020-10-20 01:43:25,435 INFO L226 Difference]: Without dead ends: 182 [2020-10-20 01:43:25,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:25,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-20 01:43:25,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-10-20 01:43:25,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-20 01:43:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 248 transitions. [2020-10-20 01:43:25,452 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 248 transitions. Word has length 33 [2020-10-20 01:43:25,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:25,452 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 248 transitions. [2020-10-20 01:43:25,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 248 transitions. [2020-10-20 01:43:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:25,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:25,454 INFO L422 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] [2020-10-20 01:43:25,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:43:25,454 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:25,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:25,455 INFO L82 PathProgramCache]: Analyzing trace with hash -2126400342, now seen corresponding path program 1 times [2020-10-20 01:43:25,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:25,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855917225] [2020-10-20 01:43:25,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:25,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855917225] [2020-10-20 01:43:25,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:25,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:25,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254626964] [2020-10-20 01:43:25,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:25,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:25,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:25,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:25,546 INFO L87 Difference]: Start difference. First operand 179 states and 248 transitions. Second operand 4 states. [2020-10-20 01:43:25,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:25,625 INFO L93 Difference]: Finished difference Result 497 states and 700 transitions. [2020-10-20 01:43:25,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:25,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-20 01:43:25,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:25,630 INFO L225 Difference]: With dead ends: 497 [2020-10-20 01:43:25,630 INFO L226 Difference]: Without dead ends: 370 [2020-10-20 01:43:25,631 INFO L677 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 [2020-10-20 01:43:25,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-10-20 01:43:25,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 179. [2020-10-20 01:43:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-20 01:43:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 246 transitions. [2020-10-20 01:43:25,661 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 246 transitions. Word has length 33 [2020-10-20 01:43:25,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:25,662 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 246 transitions. [2020-10-20 01:43:25,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 246 transitions. [2020-10-20 01:43:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:43:25,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:25,668 INFO L422 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] [2020-10-20 01:43:25,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:43:25,668 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:25,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:25,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1868234904, now seen corresponding path program 1 times [2020-10-20 01:43:25,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:25,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389382493] [2020-10-20 01:43:25,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:25,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389382493] [2020-10-20 01:43:25,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:25,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:25,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061197463] [2020-10-20 01:43:25,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:25,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:25,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:25,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:25,743 INFO L87 Difference]: Start difference. First operand 179 states and 246 transitions. Second operand 6 states. [2020-10-20 01:43:25,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:25,877 INFO L93 Difference]: Finished difference Result 624 states and 874 transitions. [2020-10-20 01:43:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:25,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-20 01:43:25,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:25,880 INFO L225 Difference]: With dead ends: 624 [2020-10-20 01:43:25,880 INFO L226 Difference]: Without dead ends: 451 [2020-10-20 01:43:25,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:43:25,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-10-20 01:43:25,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 188. [2020-10-20 01:43:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-20 01:43:25,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 253 transitions. [2020-10-20 01:43:25,899 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 253 transitions. Word has length 33 [2020-10-20 01:43:25,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:25,900 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 253 transitions. [2020-10-20 01:43:25,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 253 transitions. [2020-10-20 01:43:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:43:25,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:25,901 INFO L422 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] [2020-10-20 01:43:25,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:43:25,902 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:25,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:25,902 INFO L82 PathProgramCache]: Analyzing trace with hash 941421312, now seen corresponding path program 1 times [2020-10-20 01:43:25,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:25,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57403363] [2020-10-20 01:43:25,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:25,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57403363] [2020-10-20 01:43:25,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:25,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:25,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809008514] [2020-10-20 01:43:25,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:25,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:25,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:25,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:25,981 INFO L87 Difference]: Start difference. First operand 188 states and 253 transitions. Second operand 6 states. [2020-10-20 01:43:26,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:26,252 INFO L93 Difference]: Finished difference Result 1177 states and 1553 transitions. [2020-10-20 01:43:26,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 01:43:26,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-20 01:43:26,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:26,258 INFO L225 Difference]: With dead ends: 1177 [2020-10-20 01:43:26,258 INFO L226 Difference]: Without dead ends: 995 [2020-10-20 01:43:26,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:43:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2020-10-20 01:43:26,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 356. [2020-10-20 01:43:26,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-20 01:43:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 472 transitions. [2020-10-20 01:43:26,299 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 472 transitions. Word has length 36 [2020-10-20 01:43:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:26,301 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 472 transitions. [2020-10-20 01:43:26,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 472 transitions. [2020-10-20 01:43:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:43:26,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:26,304 INFO L422 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] [2020-10-20 01:43:26,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:43:26,304 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:26,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:26,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1621479682, now seen corresponding path program 1 times [2020-10-20 01:43:26,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:26,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802674944] [2020-10-20 01:43:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:26,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802674944] [2020-10-20 01:43:26,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:26,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:26,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501257178] [2020-10-20 01:43:26,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:26,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:26,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:26,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:26,481 INFO L87 Difference]: Start difference. First operand 356 states and 472 transitions. Second operand 5 states. [2020-10-20 01:43:26,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:26,663 INFO L93 Difference]: Finished difference Result 930 states and 1259 transitions. [2020-10-20 01:43:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:26,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:43:26,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:26,666 INFO L225 Difference]: With dead ends: 930 [2020-10-20 01:43:26,666 INFO L226 Difference]: Without dead ends: 580 [2020-10-20 01:43:26,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:26,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-20 01:43:26,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 302. [2020-10-20 01:43:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-20 01:43:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 389 transitions. [2020-10-20 01:43:26,698 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 389 transitions. Word has length 36 [2020-10-20 01:43:26,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:26,698 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 389 transitions. [2020-10-20 01:43:26,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 389 transitions. [2020-10-20 01:43:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:43:26,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:26,699 INFO L422 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] [2020-10-20 01:43:26,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:43:26,700 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:26,700 INFO L82 PathProgramCache]: Analyzing trace with hash 886341574, now seen corresponding path program 1 times [2020-10-20 01:43:26,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:26,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996753163] [2020-10-20 01:43:26,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:26,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996753163] [2020-10-20 01:43:26,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:26,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:26,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759231405] [2020-10-20 01:43:26,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:43:26,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:26,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:43:26,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:26,766 INFO L87 Difference]: Start difference. First operand 302 states and 389 transitions. Second operand 7 states. [2020-10-20 01:43:27,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:27,105 INFO L93 Difference]: Finished difference Result 889 states and 1138 transitions. [2020-10-20 01:43:27,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:43:27,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-10-20 01:43:27,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:27,109 INFO L225 Difference]: With dead ends: 889 [2020-10-20 01:43:27,109 INFO L226 Difference]: Without dead ends: 593 [2020-10-20 01:43:27,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:43:27,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-20 01:43:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 282. [2020-10-20 01:43:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-20 01:43:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 352 transitions. [2020-10-20 01:43:27,138 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 352 transitions. Word has length 37 [2020-10-20 01:43:27,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:27,139 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 352 transitions. [2020-10-20 01:43:27,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:43:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 352 transitions. [2020-10-20 01:43:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-20 01:43:27,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:27,140 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:27,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:43:27,141 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:27,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:27,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2123545264, now seen corresponding path program 1 times [2020-10-20 01:43:27,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:27,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393528302] [2020-10-20 01:43:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:43:27,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393528302] [2020-10-20 01:43:27,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:27,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:27,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627874846] [2020-10-20 01:43:27,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:27,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:27,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:27,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:27,248 INFO L87 Difference]: Start difference. First operand 282 states and 352 transitions. Second operand 5 states. [2020-10-20 01:43:27,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:27,321 INFO L93 Difference]: Finished difference Result 653 states and 819 transitions. [2020-10-20 01:43:27,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:27,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-20 01:43:27,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:27,325 INFO L225 Difference]: With dead ends: 653 [2020-10-20 01:43:27,326 INFO L226 Difference]: Without dead ends: 377 [2020-10-20 01:43:27,327 INFO L677 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 [2020-10-20 01:43:27,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-10-20 01:43:27,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 282. [2020-10-20 01:43:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-20 01:43:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 348 transitions. [2020-10-20 01:43:27,354 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 348 transitions. Word has length 53 [2020-10-20 01:43:27,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:27,356 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 348 transitions. [2020-10-20 01:43:27,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2020-10-20 01:43:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-20 01:43:27,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:27,357 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:27,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:43:27,358 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:27,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:27,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2051158706, now seen corresponding path program 1 times [2020-10-20 01:43:27,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:27,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571378151] [2020-10-20 01:43:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:43:27,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571378151] [2020-10-20 01:43:27,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:27,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:27,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116057337] [2020-10-20 01:43:27,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:27,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:27,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:27,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:27,425 INFO L87 Difference]: Start difference. First operand 282 states and 348 transitions. Second operand 5 states. [2020-10-20 01:43:27,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:27,490 INFO L93 Difference]: Finished difference Result 600 states and 751 transitions. [2020-10-20 01:43:27,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:27,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-20 01:43:27,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:27,492 INFO L225 Difference]: With dead ends: 600 [2020-10-20 01:43:27,492 INFO L226 Difference]: Without dead ends: 324 [2020-10-20 01:43:27,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:27,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-10-20 01:43:27,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 240. [2020-10-20 01:43:27,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-20 01:43:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 297 transitions. [2020-10-20 01:43:27,516 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 297 transitions. Word has length 53 [2020-10-20 01:43:27,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:27,516 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 297 transitions. [2020-10-20 01:43:27,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 297 transitions. [2020-10-20 01:43:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:43:27,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:27,520 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:27,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:43:27,523 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:27,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:27,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1485859958, now seen corresponding path program 1 times [2020-10-20 01:43:27,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:27,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852538056] [2020-10-20 01:43:27,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:27,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852538056] [2020-10-20 01:43:27,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:27,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:27,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242517836] [2020-10-20 01:43:27,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:27,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:27,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:27,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:27,630 INFO L87 Difference]: Start difference. First operand 240 states and 297 transitions. Second operand 5 states. [2020-10-20 01:43:27,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:27,745 INFO L93 Difference]: Finished difference Result 612 states and 756 transitions. [2020-10-20 01:43:27,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:27,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-10-20 01:43:27,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:27,748 INFO L225 Difference]: With dead ends: 612 [2020-10-20 01:43:27,748 INFO L226 Difference]: Without dead ends: 378 [2020-10-20 01:43:27,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:27,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-10-20 01:43:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 240. [2020-10-20 01:43:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-20 01:43:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 293 transitions. [2020-10-20 01:43:27,772 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 293 transitions. Word has length 54 [2020-10-20 01:43:27,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:27,772 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 293 transitions. [2020-10-20 01:43:27,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 293 transitions. [2020-10-20 01:43:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:43:27,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:27,774 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:27,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-20 01:43:27,775 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:27,776 INFO L82 PathProgramCache]: Analyzing trace with hash 541169249, now seen corresponding path program 1 times [2020-10-20 01:43:27,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:27,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852322555] [2020-10-20 01:43:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-20 01:43:27,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852322555] [2020-10-20 01:43:27,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532416246] [2020-10-20 01:43:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 01:43:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:27,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 01:43:28,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:43:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-20 01:43:28,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:43:28,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-10-20 01:43:28,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677730276] [2020-10-20 01:43:28,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:43:28,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:28,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:43:28,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:28,069 INFO L87 Difference]: Start difference. First operand 240 states and 293 transitions. Second operand 7 states. [2020-10-20 01:43:28,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:28,369 INFO L93 Difference]: Finished difference Result 823 states and 1028 transitions. [2020-10-20 01:43:28,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:43:28,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2020-10-20 01:43:28,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:28,371 INFO L225 Difference]: With dead ends: 823 [2020-10-20 01:43:28,371 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:43:28,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:43:28,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:43:28,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:43:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:43:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:43:28,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-20 01:43:28,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:28,373 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:43:28,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:43:28,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:43:28,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:43:28,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-20 01:43:28,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:43:28,845 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 102 [2020-10-20 01:43:30,024 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 337 DAG size of output: 235 [2020-10-20 01:43:30,619 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 165 [2020-10-20 01:43:30,999 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 153 [2020-10-20 01:43:31,215 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 122 [2020-10-20 01:43:31,385 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 116 [2020-10-20 01:43:31,854 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 197 [2020-10-20 01:43:31,967 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 120 [2020-10-20 01:43:32,238 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-10-20 01:43:32,785 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2020-10-20 01:43:33,037 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-10-20 01:43:34,308 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 220 DAG size of output: 30 [2020-10-20 01:43:35,486 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 154 DAG size of output: 51 [2020-10-20 01:43:36,399 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 51 [2020-10-20 01:43:36,982 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 41 [2020-10-20 01:43:37,539 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 31 [2020-10-20 01:43:38,508 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 29 [2020-10-20 01:43:39,155 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 59 [2020-10-20 01:43:39,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:39,178 INFO L274 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-10-20 01:43:39,179 INFO L270 CegarLoopResult]: At program point L498-1(lines 498 504) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (not .cse1)) (.cse11 (not .cse6)) (.cse7 (= ~pumpRunning~0 0)) (.cse17 (= ~waterLevel~0 1)) (.cse13 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse14 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse3 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse16 (<= 2 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse3 .cse11 .cse7 .cse8 .cse12) (and .cse13 .cse0 .cse14 .cse1 .cse15 .cse3 .cse2 .cse4 .cse5 .cse6 .cse8) (and .cse2 .cse3 .cse16 .cse7 .cse8 .cse12) (and .cse9 .cse14 .cse10 .cse15 .cse3 .cse11 .cse8 .cse12) (and .cse17 .cse3 .cse2 .cse7 .cse8) (and .cse1 (or (and .cse13 .cse17 .cse14 .cse3 .cse15 .cse2 .cse6 .cse8 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0))) (and .cse13 .cse14 .cse3 .cse15 .cse2 .cse16 .cse6 .cse8)) .cse12)))) [2020-10-20 01:43:39,179 INFO L274 CegarLoopResult]: For program point L267(lines 267 274) no Hoare annotation was computed. [2020-10-20 01:43:39,180 INFO L277 CegarLoopResult]: At program point L267-1(lines 267 274) the Hoare annotation is: true [2020-10-20 01:43:39,180 INFO L274 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2020-10-20 01:43:39,181 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-10-20 01:43:39,181 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 174) no Hoare annotation was computed. [2020-10-20 01:43:39,181 INFO L274 CegarLoopResult]: For program point L168-3(lines 168 174) no Hoare annotation was computed. [2020-10-20 01:43:39,181 INFO L274 CegarLoopResult]: For program point L168-4(lines 168 174) no Hoare annotation was computed. [2020-10-20 01:43:39,181 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:43:39,182 INFO L274 CegarLoopResult]: For program point L168-5(lines 168 174) no Hoare annotation was computed. [2020-10-20 01:43:39,182 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:43:39,182 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:43:39,182 INFO L270 CegarLoopResult]: At program point L565(lines 1 951) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:39,182 INFO L274 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-10-20 01:43:39,183 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,183 INFO L274 CegarLoopResult]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,183 INFO L274 CegarLoopResult]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,183 INFO L274 CegarLoopResult]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,183 INFO L274 CegarLoopResult]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,184 INFO L274 CegarLoopResult]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,184 INFO L274 CegarLoopResult]: For program point L467-9(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,184 INFO L274 CegarLoopResult]: For program point L467-11(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,184 INFO L274 CegarLoopResult]: For program point L467-12(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,184 INFO L274 CegarLoopResult]: For program point L467-14(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,185 INFO L274 CegarLoopResult]: For program point L467-15(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,185 INFO L274 CegarLoopResult]: For program point L467-17(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:43:39,185 INFO L270 CegarLoopResult]: At program point L534(lines 487 535) the Hoare annotation is: false [2020-10-20 01:43:39,185 INFO L270 CegarLoopResult]: At program point L173(lines 164 177) the Hoare annotation is: false [2020-10-20 01:43:39,185 INFO L270 CegarLoopResult]: At program point L173-1(lines 164 177) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (not .cse6)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse3 .cse7 .cse8 .cse4 .cse5 .cse9) (and .cse2 .cse6 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-10-20 01:43:39,186 INFO L270 CegarLoopResult]: At program point L173-2(lines 164 177) the Hoare annotation is: false [2020-10-20 01:43:39,186 INFO L270 CegarLoopResult]: At program point L173-3(lines 164 177) the Hoare annotation is: false [2020-10-20 01:43:39,186 INFO L270 CegarLoopResult]: At program point L173-4(lines 164 177) the Hoare annotation is: false [2020-10-20 01:43:39,186 INFO L270 CegarLoopResult]: At program point L173-5(lines 164 177) the Hoare annotation is: false [2020-10-20 01:43:39,186 INFO L270 CegarLoopResult]: At program point L240(lines 236 242) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:39,187 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:39,187 INFO L270 CegarLoopResult]: At program point L473(lines 458 476) the Hoare annotation is: false [2020-10-20 01:43:39,187 INFO L270 CegarLoopResult]: At program point L473-1(lines 458 476) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (let ((.cse0 (not .cse15)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (<= ~waterLevel~0 2)) (.cse9 (not .cse13)) (.cse10 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse11 (not .cse1)) (.cse12 (<= ~waterLevel~0 1)) (.cse14 (not .cse7)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse11 .cse12 .cse10 .cse13 .cse14 .cse3 .cse15 .cse5 .cse6) (and .cse11 .cse12 .cse13 .cse14 .cse3 .cse2 .cse15 .cse5 .cse6)))) [2020-10-20 01:43:39,187 INFO L270 CegarLoopResult]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2020-10-20 01:43:39,188 INFO L270 CegarLoopResult]: At program point L473-3(lines 458 476) the Hoare annotation is: false [2020-10-20 01:43:39,188 INFO L270 CegarLoopResult]: At program point L473-4(lines 458 476) the Hoare annotation is: false [2020-10-20 01:43:39,188 INFO L270 CegarLoopResult]: At program point L473-5(lines 458 476) the Hoare annotation is: false [2020-10-20 01:43:39,188 INFO L270 CegarLoopResult]: At program point L573(lines 568 576) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:39,188 INFO L277 CegarLoopResult]: At program point L276(lines 257 279) the Hoare annotation is: true [2020-10-20 01:43:39,189 INFO L274 CegarLoopResult]: For program point L508(lines 508 514) no Hoare annotation was computed. [2020-10-20 01:43:39,189 INFO L270 CegarLoopResult]: At program point L508-1(lines 508 514) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse2 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse7 .cse1 .cse6 .cse4 .cse5) (and .cse7 .cse0 .cse2 .cse1 .cse4 .cse5))) [2020-10-20 01:43:39,189 INFO L270 CegarLoopResult]: At program point L409(lines 402 412) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 (not .cse4) .cse5))) [2020-10-20 01:43:39,189 INFO L270 CegarLoopResult]: At program point L409-1(lines 402 412) the Hoare annotation is: false [2020-10-20 01:43:39,190 INFO L270 CegarLoopResult]: At program point L409-2(lines 402 412) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse4 .cse3 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse1 (= ~methaneLevelCritical~0 0) .cse9 .cse10))) [2020-10-20 01:43:39,190 INFO L270 CegarLoopResult]: At program point L409-3(lines 402 412) the Hoare annotation is: false [2020-10-20 01:43:39,190 INFO L270 CegarLoopResult]: At program point L409-4(lines 402 412) the Hoare annotation is: false [2020-10-20 01:43:39,190 INFO L270 CegarLoopResult]: At program point L409-5(lines 402 412) the Hoare annotation is: false [2020-10-20 01:43:39,190 INFO L270 CegarLoopResult]: At program point L409-6(lines 402 412) the Hoare annotation is: false [2020-10-20 01:43:39,191 INFO L270 CegarLoopResult]: At program point L409-7(lines 402 412) the Hoare annotation is: false [2020-10-20 01:43:39,191 INFO L270 CegarLoopResult]: At program point L409-8(lines 402 412) the Hoare annotation is: false [2020-10-20 01:43:39,191 INFO L274 CegarLoopResult]: For program point L115(lines 115 119) no Hoare annotation was computed. [2020-10-20 01:43:39,191 INFO L274 CegarLoopResult]: For program point L348(lines 348 365) no Hoare annotation was computed. [2020-10-20 01:43:39,191 INFO L274 CegarLoopResult]: For program point L348-1(lines 348 365) no Hoare annotation was computed. [2020-10-20 01:43:39,192 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 365) no Hoare annotation was computed. [2020-10-20 01:43:39,192 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:43:39,192 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-20 01:43:39,192 INFO L274 CegarLoopResult]: For program point L582-1(line 582) no Hoare annotation was computed. [2020-10-20 01:43:39,192 INFO L274 CegarLoopResult]: For program point L582-2(line 582) no Hoare annotation was computed. [2020-10-20 01:43:39,192 INFO L274 CegarLoopResult]: For program point L384(lines 384 390) no Hoare annotation was computed. [2020-10-20 01:43:39,193 INFO L274 CegarLoopResult]: For program point L384-2(lines 384 390) no Hoare annotation was computed. [2020-10-20 01:43:39,193 INFO L274 CegarLoopResult]: For program point L384-4(lines 384 390) no Hoare annotation was computed. [2020-10-20 01:43:39,193 INFO L274 CegarLoopResult]: For program point L384-6(lines 384 390) no Hoare annotation was computed. [2020-10-20 01:43:39,193 INFO L274 CegarLoopResult]: For program point L384-8(lines 384 390) no Hoare annotation was computed. [2020-10-20 01:43:39,193 INFO L274 CegarLoopResult]: For program point L384-10(lines 384 390) no Hoare annotation was computed. [2020-10-20 01:43:39,194 INFO L270 CegarLoopResult]: At program point L418(lines 413 421) the Hoare annotation is: (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_activatePump_~tmp~4 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-10-20 01:43:39,194 INFO L270 CegarLoopResult]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2020-10-20 01:43:39,194 INFO L274 CegarLoopResult]: For program point L352(lines 352 360) no Hoare annotation was computed. [2020-10-20 01:43:39,194 INFO L270 CegarLoopResult]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2020-10-20 01:43:39,194 INFO L274 CegarLoopResult]: For program point L352-1(lines 352 360) no Hoare annotation was computed. [2020-10-20 01:43:39,194 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 360) no Hoare annotation was computed. [2020-10-20 01:43:39,195 INFO L274 CegarLoopResult]: For program point L55(lines 55 75) no Hoare annotation was computed. [2020-10-20 01:43:39,195 INFO L274 CegarLoopResult]: For program point L55-2(lines 55 75) no Hoare annotation was computed. [2020-10-20 01:43:39,195 INFO L274 CegarLoopResult]: For program point L55-4(lines 55 75) no Hoare annotation was computed. [2020-10-20 01:43:39,195 INFO L274 CegarLoopResult]: For program point L518(lines 518 529) no Hoare annotation was computed. [2020-10-20 01:43:39,195 INFO L274 CegarLoopResult]: For program point L322(lines 322 339) no Hoare annotation was computed. [2020-10-20 01:43:39,195 INFO L274 CegarLoopResult]: For program point L322-1(lines 322 339) no Hoare annotation was computed. [2020-10-20 01:43:39,196 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:43:39,196 INFO L274 CegarLoopResult]: For program point L322-2(lines 322 339) no Hoare annotation was computed. [2020-10-20 01:43:39,196 INFO L274 CegarLoopResult]: For program point L322-3(lines 322 339) no Hoare annotation was computed. [2020-10-20 01:43:39,196 INFO L274 CegarLoopResult]: For program point L322-4(lines 322 339) no Hoare annotation was computed. [2020-10-20 01:43:39,196 INFO L274 CegarLoopResult]: For program point L322-5(lines 322 339) no Hoare annotation was computed. [2020-10-20 01:43:39,197 INFO L274 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-10-20 01:43:39,197 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2020-10-20 01:43:39,197 INFO L274 CegarLoopResult]: For program point L91-6(lines 91 95) no Hoare annotation was computed. [2020-10-20 01:43:39,197 INFO L270 CegarLoopResult]: At program point L290(lines 289 308) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse4 .cse6 .cse7 .cse5 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse5) (and .cse1 .cse4 .cse7 .cse5 .cse8))) [2020-10-20 01:43:39,197 INFO L274 CegarLoopResult]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2020-10-20 01:43:39,198 INFO L270 CegarLoopResult]: At program point L290-2(lines 289 308) the Hoare annotation is: false [2020-10-20 01:43:39,198 INFO L270 CegarLoopResult]: At program point L290-3(lines 289 308) the Hoare annotation is: false [2020-10-20 01:43:39,198 INFO L270 CegarLoopResult]: At program point L191-2(lines 191 205) the Hoare annotation is: false [2020-10-20 01:43:39,198 INFO L274 CegarLoopResult]: For program point L489(lines 488 533) no Hoare annotation was computed. [2020-10-20 01:43:39,198 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-20 01:43:39,198 INFO L274 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-10-20 01:43:39,199 INFO L270 CegarLoopResult]: At program point L160(lines 155 163) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse5 (= ~pumpRunning~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse6 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse3 .cse4 .cse7 .cse6 .cse8 (= ~pumpRunning~0 0) .cse9) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse3 .cse5 .cse7 (<= 2 ~waterLevel~0) .cse8 .cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2 .cse6 (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-10-20 01:43:39,199 INFO L270 CegarLoopResult]: At program point L160-1(lines 155 163) the Hoare annotation is: false [2020-10-20 01:43:39,199 INFO L270 CegarLoopResult]: At program point L160-2(lines 155 163) the Hoare annotation is: false [2020-10-20 01:43:39,199 INFO L274 CegarLoopResult]: For program point L61(lines 61 74) no Hoare annotation was computed. [2020-10-20 01:43:39,199 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:43:39,200 INFO L270 CegarLoopResult]: At program point L61-1(lines 1 951) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0))) (let ((.cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse0 (<= ~waterLevel~0 1)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse11 (not .cse1)) (.cse17 (not .cse6)) (.cse7 (= ~pumpRunning~0 0)) (.cse10 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse12 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse13 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0))) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse20 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse16 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse18 (<= ~waterLevel~0 2)) (.cse19 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse12 .cse3 .cse8 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19) (and .cse0 .cse20 .cse16 .cse1 .cse4 .cse12 .cse2 .cse3 .cse5 .cse6 .cse8) (and .cse0 .cse9 .cse11 .cse3 .cse17 .cse7 .cse8) (and .cse0 .cse9 .cse16 .cse11 .cse12 .cse3 .cse17 .cse8) (and .cse9 .cse10 .cse15 .cse11 .cse3 .cse17 .cse7 .cse8 .cse13 .cse14 .cse18 .cse19) (and (= ~waterLevel~0 1) .cse3 .cse2 .cse7 .cse8) (and .cse10 .cse1 .cse12 .cse3 (<= 2 ~waterLevel~0) .cse6 .cse13 .cse14 .cse8 .cse20 .cse15 .cse16 .cse2 .cse18 .cse19)))) [2020-10-20 01:43:39,200 INFO L274 CegarLoopResult]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2020-10-20 01:43:39,200 INFO L270 CegarLoopResult]: At program point L61-3(lines 1 951) the Hoare annotation is: false [2020-10-20 01:43:39,200 INFO L274 CegarLoopResult]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2020-10-20 01:43:39,200 INFO L270 CegarLoopResult]: At program point L61-5(lines 1 951) the Hoare annotation is: false [2020-10-20 01:43:39,201 INFO L274 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-10-20 01:43:39,201 INFO L274 CegarLoopResult]: For program point L524-2(lines 290 296) no Hoare annotation was computed. [2020-10-20 01:43:39,201 INFO L274 CegarLoopResult]: For program point L326(lines 326 334) no Hoare annotation was computed. [2020-10-20 01:43:39,201 INFO L274 CegarLoopResult]: For program point L326-1(lines 326 334) no Hoare annotation was computed. [2020-10-20 01:43:39,201 INFO L274 CegarLoopResult]: For program point L326-2(lines 326 334) no Hoare annotation was computed. [2020-10-20 01:43:39,202 INFO L274 CegarLoopResult]: For program point L326-3(lines 326 334) no Hoare annotation was computed. [2020-10-20 01:43:39,202 INFO L274 CegarLoopResult]: For program point L326-4(lines 326 334) no Hoare annotation was computed. [2020-10-20 01:43:39,202 INFO L274 CegarLoopResult]: For program point L326-5(lines 326 334) no Hoare annotation was computed. [2020-10-20 01:43:39,202 INFO L270 CegarLoopResult]: At program point L128(lines 123 131) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 (not .cse4) .cse5))) [2020-10-20 01:43:39,202 INFO L270 CegarLoopResult]: At program point L128-1(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,203 INFO L270 CegarLoopResult]: At program point L128-2(lines 123 131) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 .cse1 .cse2 (not .cse4) .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2020-10-20 01:43:39,203 INFO L270 CegarLoopResult]: At program point L128-3(lines 123 131) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse13 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse6 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (not .cse8)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse16 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse8 .cse9 .cse10 .cse5 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse1 .cse6 .cse12 .cse13 .cse7 .cse2 .cse3 .cse5 .cse9 .cse10 .cse15 .cse16) (and .cse0 .cse14 .cse2 .cse8 .cse4 .cse5) (and .cse0 .cse11 .cse13 .cse7 .cse14 .cse2 .cse8 .cse5) (and .cse0 .cse1 .cse13 .cse7 .cse2 .cse3 .cse5) (and .cse1 .cse6 .cse12 .cse2 .cse3 .cse4 .cse5 .cse9 .cse10 .cse15 .cse16)))) [2020-10-20 01:43:39,203 INFO L270 CegarLoopResult]: At program point L128-4(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,203 INFO L270 CegarLoopResult]: At program point L128-5(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,204 INFO L270 CegarLoopResult]: At program point L128-6(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,204 INFO L270 CegarLoopResult]: At program point L128-7(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,204 INFO L270 CegarLoopResult]: At program point L128-8(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,204 INFO L270 CegarLoopResult]: At program point L128-9(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,204 INFO L270 CegarLoopResult]: At program point L128-10(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,204 INFO L270 CegarLoopResult]: At program point L128-11(lines 123 131) the Hoare annotation is: false [2020-10-20 01:43:39,205 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-10-20 01:43:39,205 INFO L274 CegarLoopResult]: For program point L195-1(lines 290 296) no Hoare annotation was computed. [2020-10-20 01:43:39,205 INFO L274 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-10-20 01:43:39,205 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:43:39,205 INFO L274 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-10-20 01:43:39,205 INFO L274 CegarLoopResult]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2020-10-20 01:43:39,206 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:39,206 INFO L270 CegarLoopResult]: At program point L297(lines 297 303) the Hoare annotation is: (let ((.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (not .cse9)) (.cse11 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse8 (= ~pumpRunning~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse13 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0))) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (.cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse16 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse2 .cse5 .cse9 .cse4) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse10 .cse4) (and .cse1 .cse11 .cse12 .cse2 .cse10 .cse3 .cse4 .cse13 .cse14 .cse15 .cse16) (and .cse11 .cse1 .cse12 .cse7 .cse8 .cse2 .cse10 .cse4 .cse13 .cse14 .cse15 .cse16) (and .cse11 .cse8 .cse2 .cse9 .cse4 .cse13 .cse14 .cse6 .cse12 .cse7 .cse5 .cse15 .cse16)))) [2020-10-20 01:43:39,206 INFO L270 CegarLoopResult]: At program point L297-1(lines 297 303) the Hoare annotation is: false [2020-10-20 01:43:39,206 INFO L270 CegarLoopResult]: At program point L297-2(lines 297 303) the Hoare annotation is: false [2020-10-20 01:43:39,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:39 BoogieIcfgContainer [2020-10-20 01:43:39,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:39,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:39,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:39,247 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:39,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:24" (3/4) ... [2020-10-20 01:43:39,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:43:39,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:43:39,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:43:39,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:43:39,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:43:39,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:43:39,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:39,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:39,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 0) && tmp == 0) && !(\result == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((waterLevel <= 1 && \result == 0) && tmp == 0) && tmp == 0) && \result <= 1) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && !(tmp == 0)) && tmp == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:39,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((methaneLevelCritical == systemActive && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((\result == 0 && waterLevel <= 1) && tmp == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((methaneLevelCritical == systemActive && tmp == 0) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((tmp == 0 && (((((((((\result == 0 && waterLevel == 1) && tmp == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((\result == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0))) && waterLevel <= 2) [2020-10-20 01:43:39,314 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((!(\result == 0) && methaneLevelCritical == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((!(\result == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:39,315 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((((!(\result == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 0) && !(tmp == 0)) && tmp == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && \result == 0) && tmp == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:39,316 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) [2020-10-20 01:43:39,316 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) [2020-10-20 01:43:39,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:39,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && \result == 0) && tmp == 0) && tmp == 0) && \result <= 1) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) || (((((((waterLevel <= 1 && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:39,318 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && waterLevel <= 1) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:39,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) [2020-10-20 01:43:39,320 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\result == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:39,321 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((!(\result == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-20 01:43:39,423 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:39,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:39,425 INFO L168 Benchmark]: Toolchain (without parser) took 17265.02 ms. Allocated memory was 41.4 MB in the beginning and 162.0 MB in the end (delta: 120.6 MB). Free memory was 18.9 MB in the beginning and 62.0 MB in the end (delta: -43.1 MB). Peak memory consumption was 77.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:39,426 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 31.5 MB. Free memory was 8.6 MB in the beginning and 8.6 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:39,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.45 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 18.1 MB in the beginning and 24.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:39,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 43.5 MB. Free memory was 24.9 MB in the beginning and 20.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:39,427 INFO L168 Benchmark]: Boogie Preprocessor took 50.09 ms. Allocated memory is still 43.5 MB. Free memory was 20.6 MB in the beginning and 17.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:39,427 INFO L168 Benchmark]: RCFGBuilder took 1137.97 ms. Allocated memory was 43.5 MB in the beginning and 50.9 MB in the end (delta: 7.3 MB). Free memory was 17.4 MB in the beginning and 32.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:39,428 INFO L168 Benchmark]: TraceAbstraction took 15237.24 ms. Allocated memory was 50.9 MB in the beginning and 162.0 MB in the end (delta: 111.1 MB). Free memory was 32.2 MB in the beginning and 77.3 MB in the end (delta: -45.0 MB). Peak memory consumption was 136.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:39,428 INFO L168 Benchmark]: Witness Printer took 176.82 ms. Allocated memory is still 162.0 MB. Free memory was 77.3 MB in the beginning and 62.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:39,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 31.5 MB. Free memory was 8.6 MB in the beginning and 8.6 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 563.45 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 18.1 MB in the beginning and 24.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 83.32 ms. Allocated memory is still 43.5 MB. Free memory was 24.9 MB in the beginning and 20.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 50.09 ms. Allocated memory is still 43.5 MB. Free memory was 20.6 MB in the beginning and 17.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1137.97 ms. Allocated memory was 43.5 MB in the beginning and 50.9 MB in the end (delta: 7.3 MB). Free memory was 17.4 MB in the beginning and 32.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 15237.24 ms. Allocated memory was 50.9 MB in the beginning and 162.0 MB in the end (delta: 111.1 MB). Free memory was 32.2 MB in the beginning and 77.3 MB in the end (delta: -45.0 MB). Peak memory consumption was 136.6 MB. Max. memory is 14.3 GB. * Witness Printer took 176.82 ms. Allocated memory is still 162.0 MB. Free memory was 77.3 MB in the beginning and 62.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((!(\result == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((((!(\result == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 0) && !(tmp == 0)) && tmp == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && \result == 0) && tmp == 0) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (((((((((((!(\result == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && \result == 0) && tmp == 0) && tmp == 0) && \result <= 1) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) || (((((((waterLevel <= 1 && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((methaneLevelCritical == systemActive && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((!(\result == 0) && methaneLevelCritical == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((!(\result == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((methaneLevelCritical == systemActive && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((\result == 0 && waterLevel <= 1) && tmp == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((methaneLevelCritical == systemActive && tmp == 0) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((tmp == 0 && (((((((((\result == 0 && waterLevel == 1) && tmp == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && !(tmp == 0)) || (((((((\result == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0))) && waterLevel <= 2) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && waterLevel <= 1) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 1) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && \result == 0) && tmp == 0) && !(\result == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((waterLevel <= 1 && \result == 0) && tmp == 0) && tmp == 0) && \result <= 1) && pumpRunning == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp == 0) && !(tmp == 0)) && pumpRunning == 1) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((((!(\result == 0) && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && !(tmp == 0)) && tmp == 0) && splverifierCounter == 0) && \result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 15, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1714 SDtfs, 2483 SDslu, 2987 SDs, 0 SdLazy, 501 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 2188 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 277 NumberOfFragments, 1743 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9583185 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1074596 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 599 NumberOfCodeBlocks, 599 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 583 ConstructedInterpolants, 0 QuantifiedInterpolants, 51737 SizeOfPredicates, 4 NumberOfNonLiveVariables, 453 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 62/74 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...