./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_spec1_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c7c11659b56a65fd9b011a28c96b3117f33c316 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:24:25,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:24:25,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:24:25,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:24:25,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:24:25,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:24:25,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:24:25,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:24:25,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:24:25,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:24:25,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:24:25,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:24:25,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:24:25,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:24:25,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:24:25,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:24:25,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:24:25,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:24:25,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:24:25,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:24:25,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:24:25,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:24:25,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:24:25,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:24:25,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:24:25,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:24:25,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:24:25,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:24:25,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:24:25,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:24:25,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:24:25,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:24:25,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:24:25,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:24:25,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:24:25,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:24:25,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:24:25,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:24:25,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:24:25,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:24:25,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:24:25,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:24:25,732 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:24:25,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:24:25,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:24:25,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:24:25,735 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:24:25,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:24:25,735 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:24:25,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:24:25,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:24:25,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:24:25,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:24:25,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:24:25,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:24:25,737 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:24:25,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:24:25,738 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:24:25,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:24:25,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:24:25,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:24:25,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:24:25,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:24:25,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:24:25,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:24:25,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:24:25,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:24:25,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:24:25,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:24:25,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:24:25,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:24:25,741 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c7c11659b56a65fd9b011a28c96b3117f33c316 [2019-11-28 17:24:26,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:24:26,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:24:26,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:24:26,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:24:26,071 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:24:26,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2019-11-28 17:24:26,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa08c7819/dfb2d8f3c5e34bf8b186bc180902b21f/FLAG75d03e770 [2019-11-28 17:24:26,620 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:24:26,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2019-11-28 17:24:26,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa08c7819/dfb2d8f3c5e34bf8b186bc180902b21f/FLAG75d03e770 [2019-11-28 17:24:26,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa08c7819/dfb2d8f3c5e34bf8b186bc180902b21f [2019-11-28 17:24:26,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:24:26,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:24:26,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:26,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:24:26,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:24:26,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:26" (1/1) ... [2019-11-28 17:24:26,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697dc3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:26, skipping insertion in model container [2019-11-28 17:24:26,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:26" (1/1) ... [2019-11-28 17:24:26,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:24:27,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:24:27,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:27,521 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:24:27,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:27,673 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:24:27,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27 WrapperNode [2019-11-28 17:24:27,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:27,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:27,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:24:27,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:24:27,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:27,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:24:27,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:24:27,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:24:27,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (1/1) ... [2019-11-28 17:24:27,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:24:27,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:24:27,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:24:27,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:24:27,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (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 [2019-11-28 17:24:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:24:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:24:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:24:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:24:28,943 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:24:28,944 INFO L287 CfgBuilder]: Removed 192 assume(true) statements. [2019-11-28 17:24:28,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:28 BoogieIcfgContainer [2019-11-28 17:24:28,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:24:28,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:24:28,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:24:28,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:24:28,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:26" (1/3) ... [2019-11-28 17:24:28,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28adabfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:28, skipping insertion in model container [2019-11-28 17:24:28,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:27" (2/3) ... [2019-11-28 17:24:28,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28adabfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:28, skipping insertion in model container [2019-11-28 17:24:28,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:28" (3/3) ... [2019-11-28 17:24:28,954 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2019-11-28 17:24:28,964 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:24:28,971 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:24:28,984 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:24:29,010 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:24:29,010 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:24:29,010 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:24:29,011 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:24:29,011 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:24:29,012 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:24:29,012 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:24:29,012 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:24:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-11-28 17:24:29,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:24:29,040 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:29,042 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:29,042 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:29,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:29,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1880189342, now seen corresponding path program 1 times [2019-11-28 17:24:29,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:29,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184684197] [2019-11-28 17:24:29,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:29,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184684197] [2019-11-28 17:24:29,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:29,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:29,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072317861] [2019-11-28 17:24:29,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:24:29,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:29,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:24:29,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:29,374 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-11-28 17:24:29,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:29,411 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2019-11-28 17:24:29,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:24:29,412 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:24:29,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:29,425 INFO L225 Difference]: With dead ends: 252 [2019-11-28 17:24:29,426 INFO L226 Difference]: Without dead ends: 125 [2019-11-28 17:24:29,430 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:29,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-28 17:24:29,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-28 17:24:29,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-28 17:24:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-11-28 17:24:29,491 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2019-11-28 17:24:29,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:29,492 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-11-28 17:24:29,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:24:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2019-11-28 17:24:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:24:29,495 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:29,495 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:29,497 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:29,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:29,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1368021057, now seen corresponding path program 1 times [2019-11-28 17:24:29,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:29,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253349492] [2019-11-28 17:24:29,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:29,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253349492] [2019-11-28 17:24:29,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:29,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:24:29,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925673911] [2019-11-28 17:24:29,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:29,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:29,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:29,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:29,642 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2019-11-28 17:24:29,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:29,666 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2019-11-28 17:24:29,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:29,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:24:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:29,669 INFO L225 Difference]: With dead ends: 125 [2019-11-28 17:24:29,669 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 17:24:29,670 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:29,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 17:24:29,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 17:24:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 17:24:29,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-11-28 17:24:29,678 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2019-11-28 17:24:29,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:29,678 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-11-28 17:24:29,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-11-28 17:24:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:24:29,680 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:29,680 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:29,680 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:29,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:29,681 INFO L82 PathProgramCache]: Analyzing trace with hash -2019078694, now seen corresponding path program 1 times [2019-11-28 17:24:29,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:29,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504708287] [2019-11-28 17:24:29,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:29,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504708287] [2019-11-28 17:24:29,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:29,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:24:29,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166428941] [2019-11-28 17:24:29,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:24:29,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:29,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:24:29,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:24:29,816 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 6 states. [2019-11-28 17:24:29,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:29,931 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2019-11-28 17:24:29,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:24:29,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 17:24:29,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:29,932 INFO L225 Difference]: With dead ends: 96 [2019-11-28 17:24:29,933 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 17:24:29,933 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:24:29,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 17:24:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 17:24:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 17:24:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-11-28 17:24:29,941 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2019-11-28 17:24:29,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:29,942 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-11-28 17:24:29,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:24:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-11-28 17:24:29,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:24:29,943 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:29,943 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:29,944 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:29,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:29,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1511639432, now seen corresponding path program 1 times [2019-11-28 17:24:29,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:29,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128186199] [2019-11-28 17:24:29,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:30,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128186199] [2019-11-28 17:24:30,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:30,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:30,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196272227] [2019-11-28 17:24:30,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:30,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:30,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:30,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:30,019 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-11-28 17:24:30,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:30,062 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2019-11-28 17:24:30,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:30,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:24:30,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:30,064 INFO L225 Difference]: With dead ends: 117 [2019-11-28 17:24:30,064 INFO L226 Difference]: Without dead ends: 72 [2019-11-28 17:24:30,065 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:30,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-11-28 17:24:30,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-11-28 17:24:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-28 17:24:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2019-11-28 17:24:30,075 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2019-11-28 17:24:30,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:30,076 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2019-11-28 17:24:30,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:30,076 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2019-11-28 17:24:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 17:24:30,077 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:30,077 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:30,078 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:30,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:30,078 INFO L82 PathProgramCache]: Analyzing trace with hash 406595852, now seen corresponding path program 1 times [2019-11-28 17:24:30,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:30,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87265895] [2019-11-28 17:24:30,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:30,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87265895] [2019-11-28 17:24:30,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:30,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:30,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547412] [2019-11-28 17:24:30,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:30,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:30,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:30,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:30,190 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2019-11-28 17:24:30,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:30,346 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2019-11-28 17:24:30,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:24:30,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-28 17:24:30,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:30,349 INFO L225 Difference]: With dead ends: 335 [2019-11-28 17:24:30,350 INFO L226 Difference]: Without dead ends: 271 [2019-11-28 17:24:30,351 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:24:30,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-11-28 17:24:30,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2019-11-28 17:24:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 17:24:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2019-11-28 17:24:30,390 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2019-11-28 17:24:30,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:30,390 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2019-11-28 17:24:30,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2019-11-28 17:24:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 17:24:30,393 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:30,393 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:30,394 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:30,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:30,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1078364354, now seen corresponding path program 1 times [2019-11-28 17:24:30,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:30,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120153101] [2019-11-28 17:24:30,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:30,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120153101] [2019-11-28 17:24:30,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:30,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:30,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666540917] [2019-11-28 17:24:30,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:30,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:30,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:30,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:30,501 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2019-11-28 17:24:30,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:30,649 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2019-11-28 17:24:30,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:24:30,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 17:24:30,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:30,653 INFO L225 Difference]: With dead ends: 366 [2019-11-28 17:24:30,653 INFO L226 Difference]: Without dead ends: 364 [2019-11-28 17:24:30,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:24:30,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-11-28 17:24:30,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2019-11-28 17:24:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 17:24:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2019-11-28 17:24:30,683 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2019-11-28 17:24:30,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:30,687 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2019-11-28 17:24:30,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2019-11-28 17:24:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:24:30,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:30,697 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:30,698 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:30,698 INFO L82 PathProgramCache]: Analyzing trace with hash 123869668, now seen corresponding path program 1 times [2019-11-28 17:24:30,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:30,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679968948] [2019-11-28 17:24:30,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:30,787 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679968948] [2019-11-28 17:24:30,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:30,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:24:30,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943286348] [2019-11-28 17:24:30,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:30,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:30,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:30,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:30,789 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2019-11-28 17:24:30,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:30,884 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2019-11-28 17:24:30,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:24:30,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 17:24:30,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:30,886 INFO L225 Difference]: With dead ends: 336 [2019-11-28 17:24:30,886 INFO L226 Difference]: Without dead ends: 214 [2019-11-28 17:24:30,887 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:24:30,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-11-28 17:24:30,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2019-11-28 17:24:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 17:24:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2019-11-28 17:24:30,902 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2019-11-28 17:24:30,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:30,902 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2019-11-28 17:24:30,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2019-11-28 17:24:30,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:24:30,904 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:30,904 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:30,904 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:30,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:30,905 INFO L82 PathProgramCache]: Analyzing trace with hash -462936346, now seen corresponding path program 1 times [2019-11-28 17:24:30,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:30,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928052251] [2019-11-28 17:24:30,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:30,963 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928052251] [2019-11-28 17:24:30,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:30,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:30,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782372435] [2019-11-28 17:24:30,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:24:30,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:30,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:24:30,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:24:30,965 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2019-11-28 17:24:31,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:31,024 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2019-11-28 17:24:31,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:24:31,025 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-28 17:24:31,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:31,027 INFO L225 Difference]: With dead ends: 332 [2019-11-28 17:24:31,027 INFO L226 Difference]: Without dead ends: 198 [2019-11-28 17:24:31,028 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:31,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-28 17:24:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2019-11-28 17:24:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 17:24:31,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2019-11-28 17:24:31,045 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2019-11-28 17:24:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:31,045 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2019-11-28 17:24:31,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:24:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2019-11-28 17:24:31,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:24:31,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:31,047 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:31,048 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:31,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:31,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1742800024, now seen corresponding path program 1 times [2019-11-28 17:24:31,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:31,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061232098] [2019-11-28 17:24:31,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:31,093 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061232098] [2019-11-28 17:24:31,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:31,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:31,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8661506] [2019-11-28 17:24:31,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:31,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:31,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:31,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:31,096 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2019-11-28 17:24:31,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:31,136 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2019-11-28 17:24:31,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:31,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 17:24:31,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:31,139 INFO L225 Difference]: With dead ends: 340 [2019-11-28 17:24:31,139 INFO L226 Difference]: Without dead ends: 198 [2019-11-28 17:24:31,140 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:31,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-28 17:24:31,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2019-11-28 17:24:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-28 17:24:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2019-11-28 17:24:31,164 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2019-11-28 17:24:31,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:31,165 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2019-11-28 17:24:31,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2019-11-28 17:24:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 17:24:31,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:31,166 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:31,167 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:31,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:31,167 INFO L82 PathProgramCache]: Analyzing trace with hash -226364314, now seen corresponding path program 1 times [2019-11-28 17:24:31,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:31,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067671298] [2019-11-28 17:24:31,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:31,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067671298] [2019-11-28 17:24:31,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:31,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 17:24:31,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998629493] [2019-11-28 17:24:31,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:24:31,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:31,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:24:31,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:24:31,307 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 8 states. [2019-11-28 17:24:31,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:31,916 INFO L93 Difference]: Finished difference Result 764 states and 992 transitions. [2019-11-28 17:24:31,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-28 17:24:31,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-11-28 17:24:31,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:31,921 INFO L225 Difference]: With dead ends: 764 [2019-11-28 17:24:31,921 INFO L226 Difference]: Without dead ends: 572 [2019-11-28 17:24:31,922 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2019-11-28 17:24:31,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-11-28 17:24:31,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 198. [2019-11-28 17:24:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-28 17:24:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2019-11-28 17:24:31,945 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2019-11-28 17:24:31,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:31,946 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2019-11-28 17:24:31,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:24:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2019-11-28 17:24:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 17:24:31,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:31,947 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:31,948 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:31,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:31,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1790569150, now seen corresponding path program 1 times [2019-11-28 17:24:31,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:31,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084775203] [2019-11-28 17:24:31,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:24:32,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084775203] [2019-11-28 17:24:32,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:32,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-28 17:24:32,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889557090] [2019-11-28 17:24:32,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:24:32,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:32,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:24:32,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:24:32,031 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 8 states. [2019-11-28 17:24:32,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:32,374 INFO L93 Difference]: Finished difference Result 518 states and 667 transitions. [2019-11-28 17:24:32,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 17:24:32,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-11-28 17:24:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:32,375 INFO L225 Difference]: With dead ends: 518 [2019-11-28 17:24:32,376 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:24:32,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2019-11-28 17:24:32,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:24:32,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:24:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:24:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:24:32,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-11-28 17:24:32,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:32,378 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:24:32,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:24:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:24:32,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:24:32,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:24:32,511 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2019-11-28 17:24:32,670 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 95 [2019-11-28 17:24:32,805 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 54 [2019-11-28 17:24:32,971 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2019-11-28 17:24:33,242 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 92 [2019-11-28 17:24:34,023 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 19 [2019-11-28 17:24:34,452 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 11 [2019-11-28 17:24:34,824 WARN L192 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 11 [2019-11-28 17:24:35,234 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2019-11-28 17:24:35,684 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2019-11-28 17:24:36,239 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2019-11-28 17:24:36,370 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-28 17:24:36,371 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,371 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,372 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-28 17:24:36,372 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-11-28 17:24:36,372 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-11-28 17:24:36,373 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-11-28 17:24:36,373 INFO L242 CegarLoopResult]: At program point L301(lines 1 940) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:36,373 INFO L246 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,373 INFO L246 CegarLoopResult]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,373 INFO L246 CegarLoopResult]: For program point L931-3(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,373 INFO L246 CegarLoopResult]: For program point L931-5(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,373 INFO L246 CegarLoopResult]: For program point L931-6(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,374 INFO L246 CegarLoopResult]: For program point L700(lines 700 706) no Hoare annotation was computed. [2019-11-28 17:24:36,374 INFO L242 CegarLoopResult]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 1 ULTIMATE.start_main_~tmp~1) .cse1 .cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse3 .cse4 (not .cse6) .cse5))) [2019-11-28 17:24:36,374 INFO L246 CegarLoopResult]: For program point L931-8(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,374 INFO L246 CegarLoopResult]: For program point L931-9(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,374 INFO L246 CegarLoopResult]: For program point L931-11(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,374 INFO L246 CegarLoopResult]: For program point L931-12(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,375 INFO L246 CegarLoopResult]: For program point L931-14(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,375 INFO L246 CegarLoopResult]: For program point L931-15(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,375 INFO L246 CegarLoopResult]: For program point L931-17(lines 931 935) no Hoare annotation was computed. [2019-11-28 17:24:36,375 INFO L242 CegarLoopResult]: At program point L238(lines 234 240) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:36,375 INFO L242 CegarLoopResult]: At program point L736(lines 689 737) the Hoare annotation is: false [2019-11-28 17:24:36,375 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-28 17:24:36,375 INFO L249 CegarLoopResult]: At program point L274(lines 255 277) the Hoare annotation is: true [2019-11-28 17:24:36,376 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 17:24:36,376 INFO L242 CegarLoopResult]: At program point L309(lines 304 312) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:36,376 INFO L242 CegarLoopResult]: At program point L937(lines 922 940) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,376 INFO L242 CegarLoopResult]: At program point L937-1(lines 922 940) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,376 INFO L242 CegarLoopResult]: At program point L937-2(lines 922 940) the Hoare annotation is: false [2019-11-28 17:24:36,376 INFO L242 CegarLoopResult]: At program point L937-3(lines 922 940) the Hoare annotation is: false [2019-11-28 17:24:36,377 INFO L242 CegarLoopResult]: At program point L937-4(lines 922 940) the Hoare annotation is: false [2019-11-28 17:24:36,377 INFO L242 CegarLoopResult]: At program point L937-5(lines 922 940) the Hoare annotation is: false [2019-11-28 17:24:36,377 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 17:24:36,377 INFO L246 CegarLoopResult]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-11-28 17:24:36,377 INFO L246 CegarLoopResult]: For program point L145-2(line 145) no Hoare annotation was computed. [2019-11-28 17:24:36,377 INFO L242 CegarLoopResult]: At program point L873(lines 866 876) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 (not .cse1) .cse2 .cse3 (not .cse4) .cse5) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5))) [2019-11-28 17:24:36,378 INFO L242 CegarLoopResult]: At program point L873-1(lines 866 876) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,378 INFO L242 CegarLoopResult]: At program point L873-2(lines 866 876) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 (not .cse1) .cse3 .cse4 .cse5 (not .cse2) .cse6))) [2019-11-28 17:24:36,378 INFO L242 CegarLoopResult]: At program point L873-3(lines 866 876) the Hoare annotation is: false [2019-11-28 17:24:36,378 INFO L242 CegarLoopResult]: At program point L873-4(lines 866 876) the Hoare annotation is: false [2019-11-28 17:24:36,378 INFO L242 CegarLoopResult]: At program point L873-5(lines 866 876) the Hoare annotation is: false [2019-11-28 17:24:36,378 INFO L242 CegarLoopResult]: At program point L873-6(lines 866 876) the Hoare annotation is: false [2019-11-28 17:24:36,379 INFO L242 CegarLoopResult]: At program point L873-7(lines 866 876) the Hoare annotation is: false [2019-11-28 17:24:36,379 INFO L242 CegarLoopResult]: At program point L873-8(lines 866 876) the Hoare annotation is: false [2019-11-28 17:24:36,379 INFO L246 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2019-11-28 17:24:36,379 INFO L242 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,379 INFO L246 CegarLoopResult]: For program point L812(lines 812 829) no Hoare annotation was computed. [2019-11-28 17:24:36,379 INFO L246 CegarLoopResult]: For program point L812-1(lines 812 829) no Hoare annotation was computed. [2019-11-28 17:24:36,379 INFO L246 CegarLoopResult]: For program point L812-2(lines 812 829) no Hoare annotation was computed. [2019-11-28 17:24:36,380 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:24:36,380 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:24:36,380 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:24:36,380 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:24:36,380 INFO L246 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-11-28 17:24:36,380 INFO L246 CegarLoopResult]: For program point L848-2(lines 848 854) no Hoare annotation was computed. [2019-11-28 17:24:36,380 INFO L246 CegarLoopResult]: For program point L848-4(lines 848 854) no Hoare annotation was computed. [2019-11-28 17:24:36,381 INFO L246 CegarLoopResult]: For program point L848-6(lines 848 854) no Hoare annotation was computed. [2019-11-28 17:24:36,381 INFO L246 CegarLoopResult]: For program point L848-8(lines 848 854) no Hoare annotation was computed. [2019-11-28 17:24:36,381 INFO L246 CegarLoopResult]: For program point L848-10(lines 848 854) no Hoare annotation was computed. [2019-11-28 17:24:36,381 INFO L242 CegarLoopResult]: At program point L882(lines 877 885) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (not (= 0 ~methaneLevelCritical~0)) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,381 INFO L242 CegarLoopResult]: At program point L882-1(lines 877 885) the Hoare annotation is: false [2019-11-28 17:24:36,381 INFO L246 CegarLoopResult]: For program point L816(lines 816 824) no Hoare annotation was computed. [2019-11-28 17:24:36,381 INFO L242 CegarLoopResult]: At program point L882-2(lines 877 885) the Hoare annotation is: false [2019-11-28 17:24:36,382 INFO L246 CegarLoopResult]: For program point L816-1(lines 816 824) no Hoare annotation was computed. [2019-11-28 17:24:36,382 INFO L246 CegarLoopResult]: For program point L816-2(lines 816 824) no Hoare annotation was computed. [2019-11-28 17:24:36,382 INFO L242 CegarLoopResult]: At program point L189-2(lines 189 203) the Hoare annotation is: false [2019-11-28 17:24:36,382 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (not .cse1) .cse2 .cse3 (not .cse4) .cse5) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5))) [2019-11-28 17:24:36,382 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,383 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse3 .cse4 .cse5 (not .cse2) .cse6))) [2019-11-28 17:24:36,383 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 1 ~systemActive~0) (not .cse0) .cse2 .cse3 (= ~pumpRunning~0 0) (not .cse1) .cse4))) [2019-11-28 17:24:36,383 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-11-28 17:24:36,383 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-11-28 17:24:36,384 INFO L242 CegarLoopResult]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-11-28 17:24:36,384 INFO L242 CegarLoopResult]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-11-28 17:24:36,384 INFO L242 CegarLoopResult]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-11-28 17:24:36,384 INFO L242 CegarLoopResult]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-11-28 17:24:36,384 INFO L242 CegarLoopResult]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-11-28 17:24:36,385 INFO L242 CegarLoopResult]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-11-28 17:24:36,385 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:24:36,385 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-28 17:24:36,385 INFO L246 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2019-11-28 17:24:36,385 INFO L246 CegarLoopResult]: For program point L786-1(lines 786 803) no Hoare annotation was computed. [2019-11-28 17:24:36,385 INFO L246 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2019-11-28 17:24:36,385 INFO L246 CegarLoopResult]: For program point L786-2(lines 786 803) no Hoare annotation was computed. [2019-11-28 17:24:36,386 INFO L246 CegarLoopResult]: For program point L786-3(lines 786 803) no Hoare annotation was computed. [2019-11-28 17:24:36,386 INFO L246 CegarLoopResult]: For program point L786-4(lines 786 803) no Hoare annotation was computed. [2019-11-28 17:24:36,386 INFO L246 CegarLoopResult]: For program point L786-5(lines 786 803) no Hoare annotation was computed. [2019-11-28 17:24:36,386 INFO L246 CegarLoopResult]: For program point L159(lines 159 172) no Hoare annotation was computed. [2019-11-28 17:24:36,386 INFO L242 CegarLoopResult]: At program point L159-1(lines 1 940) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 1 ULTIMATE.start_main_~tmp~1) .cse1 .cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse2 .cse3 .cse5) (and .cse0 .cse2 .cse3 .cse4 (not .cse6) .cse5))) [2019-11-28 17:24:36,386 INFO L246 CegarLoopResult]: For program point L159-2(lines 159 172) no Hoare annotation was computed. [2019-11-28 17:24:36,386 INFO L242 CegarLoopResult]: At program point L159-3(lines 1 940) the Hoare annotation is: false [2019-11-28 17:24:36,386 INFO L246 CegarLoopResult]: For program point L159-4(lines 159 172) no Hoare annotation was computed. [2019-11-28 17:24:36,387 INFO L242 CegarLoopResult]: At program point L159-5(lines 1 940) the Hoare annotation is: false [2019-11-28 17:24:36,387 INFO L242 CegarLoopResult]: At program point L754(lines 753 772) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:36,387 INFO L246 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2019-11-28 17:24:36,387 INFO L242 CegarLoopResult]: At program point L754-2(lines 753 772) the Hoare annotation is: false [2019-11-28 17:24:36,387 INFO L242 CegarLoopResult]: At program point L754-3(lines 753 772) the Hoare annotation is: false [2019-11-28 17:24:36,387 INFO L246 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point L193-1(lines 754 760) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point L790-1(lines 790 798) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point L691(lines 690 735) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point L790-3(lines 790 798) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point L790-4(lines 790 798) no Hoare annotation was computed. [2019-11-28 17:24:36,388 INFO L246 CegarLoopResult]: For program point L790-5(lines 790 798) no Hoare annotation was computed. [2019-11-28 17:24:36,389 INFO L246 CegarLoopResult]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:24:36,389 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:24:36,389 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:24:36,389 INFO L246 CegarLoopResult]: For program point L163-2(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:24:36,389 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:24:36,389 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:24:36,389 INFO L246 CegarLoopResult]: For program point L163-4(lines 163 169) no Hoare annotation was computed. [2019-11-28 17:24:36,389 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:24:36,390 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-11-28 17:24:36,390 INFO L246 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-11-28 17:24:36,390 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 17:24:36,390 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:24:36,390 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-11-28 17:24:36,390 INFO L246 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2019-11-28 17:24:36,390 INFO L246 CegarLoopResult]: For program point L726-2(lines 754 760) no Hoare annotation was computed. [2019-11-28 17:24:36,390 INFO L246 CegarLoopResult]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-11-28 17:24:36,391 INFO L249 CegarLoopResult]: At program point L265-1(lines 265 272) the Hoare annotation is: true [2019-11-28 17:24:36,391 INFO L242 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse3))) [2019-11-28 17:24:36,391 INFO L242 CegarLoopResult]: At program point L761-1(lines 761 767) the Hoare annotation is: false [2019-11-28 17:24:36,391 INFO L242 CegarLoopResult]: At program point L761-2(lines 761 767) the Hoare annotation is: false [2019-11-28 17:24:36,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:24:36 BoogieIcfgContainer [2019-11-28 17:24:36,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:24:36,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:24:36,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:24:36,435 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:24:36,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:28" (3/4) ... [2019-11-28 17:24:36,440 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:24:36,464 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:24:36,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:24:36,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:24:36,472 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:24:36,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:24:36,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:36,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:36,516 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:24:36,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:24:36,518 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 17:24:36,519 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 17:24:36,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter [2019-11-28 17:24:36,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter [2019-11-28 17:24:36,522 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 17:24:36,525 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) || ((((((1 == systemActive && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 17:24:36,526 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 17:24:36,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \result) && 1 == systemActive) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 17:24:36,528 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:36,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && \result == 0) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter [2019-11-28 17:24:36,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:36,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:36,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 17:24:36,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:36,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((!(0 == \result) && 1 == tmp) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 17:24:36,543 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:36,543 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:36,650 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:24:36,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:24:36,652 INFO L168 Benchmark]: Toolchain (without parser) took 9708.09 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.4 MB). Free memory was 961.7 MB in the beginning and 874.2 MB in the end (delta: 87.5 MB). Peak memory consumption was 430.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:36,652 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:24:36,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:36,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:36,653 INFO L168 Benchmark]: Boogie Preprocessor took 108.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:24:36,654 INFO L168 Benchmark]: RCFGBuilder took 1045.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:36,654 INFO L168 Benchmark]: TraceAbstraction took 7487.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.0 GB in the beginning and 893.7 MB in the end (delta: 149.9 MB). Peak memory consumption was 355.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:36,655 INFO L168 Benchmark]: Witness Printer took 216.03 ms. Allocated memory is still 1.4 GB. Free memory was 893.7 MB in the beginning and 874.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:36,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 728.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 108.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1045.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7487.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.0 GB in the beginning and 893.7 MB in the end (delta: 149.9 MB). Peak memory consumption was 355.1 MB. Max. memory is 11.5 GB. * Witness Printer took 216.03 ms. Allocated memory is still 1.4 GB. Free memory was 893.7 MB in the beginning and 874.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: (((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ((1 == systemActive && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((((((1 == tmp && \result == 0) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((1 == systemActive && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((1 == systemActive && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((((!(0 == \result) && 1 == systemActive) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((!(0 == \result) && 1 == tmp) && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) || ((((((1 == systemActive && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && !(0 == methaneLevelCritical)) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == \result) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Result: SAFE, OverallTime: 3.3s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, HoareTripleCheckerStatistics: 1281 SDtfs, 1864 SDslu, 2244 SDs, 0 SdLazy, 378 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 879 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 192 NumberOfFragments, 643 HoareAnnotationTreeSize, 54 FomulaSimplifications, 589335 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 56771 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 20272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...