./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e359c3e690bc34b8e145f12f51e57f299b8b0bc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:43:18,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:18,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:18,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:18,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:18,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:18,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:18,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:18,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:18,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:18,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:18,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:18,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:18,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:18,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:18,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:18,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:18,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:18,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:18,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:18,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:18,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:18,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:18,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:18,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:18,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:18,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:18,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:18,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:18,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:18,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:18,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:18,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:18,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:18,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:18,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:18,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:18,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:18,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:18,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:18,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:18,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:18,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:18,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:18,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:18,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:18,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:18,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:18,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:18,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:18,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:18,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:18,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:18,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:18,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:18,825 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:18,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:18,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:18,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:18,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:18,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:18,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:18,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:18,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:18,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:18,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:18,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:18,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:18,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:18,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:18,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:18,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e359c3e690bc34b8e145f12f51e57f299b8b0bc [2020-10-20 01:43:19,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:19,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:19,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:19,065 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:19,066 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:19,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2020-10-20 01:43:19,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e587238d4/15b6720f30f34da28a1805cdce155a9c/FLAG059b4d5ac [2020-10-20 01:43:19,703 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:19,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2020-10-20 01:43:19,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e587238d4/15b6720f30f34da28a1805cdce155a9c/FLAG059b4d5ac [2020-10-20 01:43:20,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e587238d4/15b6720f30f34da28a1805cdce155a9c [2020-10-20 01:43:20,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:20,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:20,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:20,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:20,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:20,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7addd128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20, skipping insertion in model container [2020-10-20 01:43:20,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:20,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:20,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:20,497 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:20,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:20,618 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:20,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20 WrapperNode [2020-10-20 01:43:20,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:20,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:20,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:20,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:20,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:20,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:20,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:20,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:20,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... [2020-10-20 01:43:20,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:20,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:20,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:20,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:20,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:21,705 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:21,705 INFO L298 CfgBuilder]: Removed 128 assume(true) statements. [2020-10-20 01:43:21,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:21 BoogieIcfgContainer [2020-10-20 01:43:21,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:21,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:21,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:21,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:21,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:20" (1/3) ... [2020-10-20 01:43:21,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f3ad3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:21, skipping insertion in model container [2020-10-20 01:43:21,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:20" (2/3) ... [2020-10-20 01:43:21,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f3ad3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:21, skipping insertion in model container [2020-10-20 01:43:21,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:21" (3/3) ... [2020-10-20 01:43:21,717 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-10-20 01:43:21,728 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:21,736 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:21,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:21,768 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:21,768 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:21,768 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:21,768 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:21,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:21,771 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:21,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:21,771 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-10-20 01:43:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:43:21,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:21,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:21,795 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:21,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:21,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1018391180, now seen corresponding path program 1 times [2020-10-20 01:43:21,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:21,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125669129] [2020-10-20 01:43:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125669129] [2020-10-20 01:43:22,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:22,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392801244] [2020-10-20 01:43:22,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:22,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:22,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:22,100 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2020-10-20 01:43:22,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,132 INFO L93 Difference]: Finished difference Result 183 states and 272 transitions. [2020-10-20 01:43:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:22,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:43:22,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,146 INFO L225 Difference]: With dead ends: 183 [2020-10-20 01:43:22,146 INFO L226 Difference]: Without dead ends: 89 [2020-10-20 01:43:22,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-20 01:43:22,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-10-20 01:43:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-20 01:43:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2020-10-20 01:43:22,193 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2020-10-20 01:43:22,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,193 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2020-10-20 01:43:22,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2020-10-20 01:43:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:43:22,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:22,195 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1929421933, now seen corresponding path program 1 times [2020-10-20 01:43:22,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246621081] [2020-10-20 01:43:22,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246621081] [2020-10-20 01:43:22,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:22,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027724783] [2020-10-20 01:43:22,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:22,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:22,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,370 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2020-10-20 01:43:22,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,382 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2020-10-20 01:43:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:22,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:43:22,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,384 INFO L225 Difference]: With dead ends: 89 [2020-10-20 01:43:22,385 INFO L226 Difference]: Without dead ends: 39 [2020-10-20 01:43:22,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-20 01:43:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-20 01:43:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 01:43:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2020-10-20 01:43:22,393 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2020-10-20 01:43:22,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,393 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2020-10-20 01:43:22,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-10-20 01:43:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:43:22,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:22,395 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2020-10-20 01:43:22,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628998496] [2020-10-20 01:43:22,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628998496] [2020-10-20 01:43:22,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:22,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730160904] [2020-10-20 01:43:22,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:22,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:22,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,466 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2020-10-20 01:43:22,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,501 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2020-10-20 01:43:22,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:22,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:43:22,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,503 INFO L225 Difference]: With dead ends: 72 [2020-10-20 01:43:22,504 INFO L226 Difference]: Without dead ends: 39 [2020-10-20 01:43:22,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-20 01:43:22,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-20 01:43:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 01:43:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-10-20 01:43:22,516 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2020-10-20 01:43:22,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,518 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-10-20 01:43:22,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:22,518 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-10-20 01:43:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:43:22,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:22,521 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,521 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2020-10-20 01:43:22,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708434769] [2020-10-20 01:43:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708434769] [2020-10-20 01:43:22,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:22,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954114266] [2020-10-20 01:43:22,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:22,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:22,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,640 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2020-10-20 01:43:22,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,677 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2020-10-20 01:43:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:22,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:43:22,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,679 INFO L225 Difference]: With dead ends: 95 [2020-10-20 01:43:22,679 INFO L226 Difference]: Without dead ends: 62 [2020-10-20 01:43:22,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:22,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-20 01:43:22,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-10-20 01:43:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-20 01:43:22,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2020-10-20 01:43:22,689 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2020-10-20 01:43:22,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,689 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2020-10-20 01:43:22,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2020-10-20 01:43:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:43:22,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:43:22,692 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2020-10-20 01:43:22,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639409668] [2020-10-20 01:43:22,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:22,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639409668] [2020-10-20 01:43:22,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:22,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:22,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046904417] [2020-10-20 01:43:22,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:22,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:22,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:22,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:22,783 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2020-10-20 01:43:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:22,902 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2020-10-20 01:43:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:22,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-20 01:43:22,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:22,905 INFO L225 Difference]: With dead ends: 314 [2020-10-20 01:43:22,905 INFO L226 Difference]: Without dead ends: 260 [2020-10-20 01:43:22,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:22,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-20 01:43:22,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-10-20 01:43:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-20 01:43:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2020-10-20 01:43:22,924 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2020-10-20 01:43:22,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:22,925 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2020-10-20 01:43:22,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2020-10-20 01:43:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:22,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:22,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:22,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:43:22,927 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:22,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:22,928 INFO L82 PathProgramCache]: Analyzing trace with hash -785377999, now seen corresponding path program 1 times [2020-10-20 01:43:22,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:22,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123256018] [2020-10-20 01:43:22,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123256018] [2020-10-20 01:43:23,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:23,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594128584] [2020-10-20 01:43:23,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:23,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:23,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:23,010 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2020-10-20 01:43:23,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,129 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2020-10-20 01:43:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:43:23,129 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-20 01:43:23,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,131 INFO L225 Difference]: With dead ends: 212 [2020-10-20 01:43:23,131 INFO L226 Difference]: Without dead ends: 158 [2020-10-20 01:43:23,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:23,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-20 01:43:23,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-10-20 01:43:23,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-20 01:43:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2020-10-20 01:43:23,148 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2020-10-20 01:43:23,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,149 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2020-10-20 01:43:23,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:23,149 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2020-10-20 01:43:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:23,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:23,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:43:23,151 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2020-10-20 01:43:23,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299940961] [2020-10-20 01:43:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299940961] [2020-10-20 01:43:23,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:23,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089511727] [2020-10-20 01:43:23,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:43:23,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:43:23,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:43:23,250 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2020-10-20 01:43:23,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,289 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2020-10-20 01:43:23,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:43:23,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-20 01:43:23,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,291 INFO L225 Difference]: With dead ends: 412 [2020-10-20 01:43:23,291 INFO L226 Difference]: Without dead ends: 308 [2020-10-20 01:43:23,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:23,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-10-20 01:43:23,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2020-10-20 01:43:23,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-20 01:43:23,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2020-10-20 01:43:23,309 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2020-10-20 01:43:23,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,309 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2020-10-20 01:43:23,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:43:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2020-10-20 01:43:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:43:23,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:23,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:43:23,311 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2020-10-20 01:43:23,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412298301] [2020-10-20 01:43:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412298301] [2020-10-20 01:43:23,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:23,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934488424] [2020-10-20 01:43:23,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:23,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:23,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:23,381 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2020-10-20 01:43:23,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,498 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2020-10-20 01:43:23,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:23,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-20 01:43:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,501 INFO L225 Difference]: With dead ends: 524 [2020-10-20 01:43:23,501 INFO L226 Difference]: Without dead ends: 375 [2020-10-20 01:43:23,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:43:23,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-10-20 01:43:23,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2020-10-20 01:43:23,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-20 01:43:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2020-10-20 01:43:23,535 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2020-10-20 01:43:23,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,536 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2020-10-20 01:43:23,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2020-10-20 01:43:23,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:43:23,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:23,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:43:23,538 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2020-10-20 01:43:23,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244746373] [2020-10-20 01:43:23,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244746373] [2020-10-20 01:43:23,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:43:23,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123041168] [2020-10-20 01:43:23,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:23,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:23,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:23,597 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2020-10-20 01:43:23,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:23,885 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2020-10-20 01:43:23,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-20 01:43:23,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-20 01:43:23,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:23,891 INFO L225 Difference]: With dead ends: 1154 [2020-10-20 01:43:23,891 INFO L226 Difference]: Without dead ends: 999 [2020-10-20 01:43:23,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:43:23,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-10-20 01:43:23,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2020-10-20 01:43:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-20 01:43:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2020-10-20 01:43:23,928 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2020-10-20 01:43:23,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:23,929 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2020-10-20 01:43:23,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2020-10-20 01:43:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:43:23,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:23,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:23,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:43:23,931 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:23,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:23,931 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2020-10-20 01:43:23,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:23,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071577741] [2020-10-20 01:43:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:23,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071577741] [2020-10-20 01:43:23,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:23,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:43:23,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776596827] [2020-10-20 01:43:23,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:43:23,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:23,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:43:23,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:43:23,989 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2020-10-20 01:43:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,205 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2020-10-20 01:43:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:43:24,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-10-20 01:43:24,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,206 INFO L225 Difference]: With dead ends: 687 [2020-10-20 01:43:24,207 INFO L226 Difference]: Without dead ends: 121 [2020-10-20 01:43:24,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:43:24,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-20 01:43:24,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-10-20 01:43:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-20 01:43:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2020-10-20 01:43:24,217 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2020-10-20 01:43:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,218 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2020-10-20 01:43:24,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:43:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2020-10-20 01:43:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:43:24,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:24,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:24,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:43:24,219 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:24,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:24,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2020-10-20 01:43:24,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:24,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758530534] [2020-10-20 01:43:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:24,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758530534] [2020-10-20 01:43:24,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:24,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:43:24,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781430180] [2020-10-20 01:43:24,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:43:24,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:24,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:43:24,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:43:24,294 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 7 states. [2020-10-20 01:43:24,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:24,644 INFO L93 Difference]: Finished difference Result 387 states and 459 transitions. [2020-10-20 01:43:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 01:43:24,645 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-10-20 01:43:24,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:24,645 INFO L225 Difference]: With dead ends: 387 [2020-10-20 01:43:24,645 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:43:24,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:43:24,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:43:24,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:43:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:43:24,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:43:24,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-10-20 01:43:24,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:24,647 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:43:24,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:43:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:43:24,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:43:24,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:43:24,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:43:24,892 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2020-10-20 01:43:25,016 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2020-10-20 01:43:25,300 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 118 [2020-10-20 01:43:25,493 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 102 [2020-10-20 01:43:25,619 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 96 [2020-10-20 01:43:26,215 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-10-20 01:43:26,465 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2020-10-20 01:43:26,713 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-20 01:43:27,162 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 28 [2020-10-20 01:43:27,364 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-10-20 01:43:27,540 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2020-10-20 01:43:27,876 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2020-10-20 01:43:28,209 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2020-10-20 01:43:28,456 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2020-10-20 01:43:28,629 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-10-20 01:43:28,982 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2020-10-20 01:43:29,074 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:29,075 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:43:29,075 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:43:29,075 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:43:29,075 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:43:29,075 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-20 01:43:29,075 INFO L274 CegarLoopResult]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-10-20 01:43:29,076 INFO L274 CegarLoopResult]: For program point L499-2(line 499) no Hoare annotation was computed. [2020-10-20 01:43:29,076 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-10-20 01:43:29,076 INFO L270 CegarLoopResult]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse2) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2020-10-20 01:43:29,076 INFO L270 CegarLoopResult]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2020-10-20 01:43:29,076 INFO L270 CegarLoopResult]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2020-10-20 01:43:29,077 INFO L274 CegarLoopResult]: For program point L484(lines 484 490) no Hoare annotation was computed. [2020-10-20 01:43:29,077 INFO L274 CegarLoopResult]: For program point L484-1(lines 484 490) no Hoare annotation was computed. [2020-10-20 01:43:29,077 INFO L274 CegarLoopResult]: For program point L484-2(lines 484 490) no Hoare annotation was computed. [2020-10-20 01:43:29,077 INFO L274 CegarLoopResult]: For program point L187(lines 187 200) no Hoare annotation was computed. [2020-10-20 01:43:29,077 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-20 01:43:29,077 INFO L270 CegarLoopResult]: At program point L534(lines 529 537) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:29,077 INFO L274 CegarLoopResult]: For program point L914(lines 914 934) no Hoare annotation was computed. [2020-10-20 01:43:29,077 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 934) no Hoare annotation was computed. [2020-10-20 01:43:29,078 INFO L274 CegarLoopResult]: For program point L914-4(lines 914 934) no Hoare annotation was computed. [2020-10-20 01:43:29,078 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:29,078 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-10-20 01:43:29,078 INFO L270 CegarLoopResult]: At program point L205(lines 156 206) the Hoare annotation is: false [2020-10-20 01:43:29,078 INFO L270 CegarLoopResult]: At program point L387(lines 372 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse9 (= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse4 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse4 .cse10 .cse6 .cse7))) [2020-10-20 01:43:29,078 INFO L270 CegarLoopResult]: At program point L387-1(lines 372 390) the Hoare annotation is: false [2020-10-20 01:43:29,078 INFO L270 CegarLoopResult]: At program point L387-2(lines 372 390) the Hoare annotation is: false [2020-10-20 01:43:29,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:43:29,079 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-20 01:43:29,079 INFO L274 CegarLoopResult]: For program point L58-1(lines 229 235) no Hoare annotation was computed. [2020-10-20 01:43:29,079 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-10-20 01:43:29,079 INFO L270 CegarLoopResult]: At program point L323(lines 316 326) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse14 (= ~waterLevel~0 1)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10) (and .cse14 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse11 .cse14 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9)))) [2020-10-20 01:43:29,079 INFO L270 CegarLoopResult]: At program point L323-1(lines 316 326) the Hoare annotation is: false [2020-10-20 01:43:29,079 INFO L270 CegarLoopResult]: At program point L323-2(lines 316 326) the Hoare annotation is: false [2020-10-20 01:43:29,080 INFO L274 CegarLoopResult]: For program point L158(lines 157 204) no Hoare annotation was computed. [2020-10-20 01:43:29,080 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:29,080 INFO L270 CegarLoopResult]: At program point L489(lines 480 493) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-10-20 01:43:29,080 INFO L270 CegarLoopResult]: At program point L489-1(lines 480 493) the Hoare annotation is: false [2020-10-20 01:43:29,080 INFO L270 CegarLoopResult]: At program point L489-2(lines 480 493) the Hoare annotation is: false [2020-10-20 01:43:29,080 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-10-20 01:43:29,080 INFO L274 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-10-20 01:43:29,080 INFO L274 CegarLoopResult]: For program point L407-3(lines 407 411) no Hoare annotation was computed. [2020-10-20 01:43:29,081 INFO L274 CegarLoopResult]: For program point L407-6(lines 407 411) no Hoare annotation was computed. [2020-10-20 01:43:29,081 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:43:29,081 INFO L274 CegarLoopResult]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-10-20 01:43:29,081 INFO L270 CegarLoopResult]: At program point L920-1(lines 1 937) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-10-20 01:43:29,081 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 933) no Hoare annotation was computed. [2020-10-20 01:43:29,081 INFO L270 CegarLoopResult]: At program point L920-3(lines 1 937) the Hoare annotation is: false [2020-10-20 01:43:29,081 INFO L274 CegarLoopResult]: For program point L920-4(lines 920 933) no Hoare annotation was computed. [2020-10-20 01:43:29,082 INFO L270 CegarLoopResult]: At program point L920-5(lines 1 937) the Hoare annotation is: false [2020-10-20 01:43:29,082 INFO L274 CegarLoopResult]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-10-20 01:43:29,082 INFO L270 CegarLoopResult]: At program point L177-1(lines 177 183) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-10-20 01:43:29,082 INFO L274 CegarLoopResult]: For program point L261(lines 261 278) no Hoare annotation was computed. [2020-10-20 01:43:29,082 INFO L274 CegarLoopResult]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2020-10-20 01:43:29,082 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-10-20 01:43:29,082 INFO L274 CegarLoopResult]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2020-10-20 01:43:29,083 INFO L270 CegarLoopResult]: At program point L195-2(lines 229 235) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-10-20 01:43:29,083 INFO L270 CegarLoopResult]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)))) [2020-10-20 01:43:29,083 INFO L270 CegarLoopResult]: At program point L476-1(lines 471 479) the Hoare annotation is: false [2020-10-20 01:43:29,083 INFO L270 CegarLoopResult]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2020-10-20 01:43:29,083 INFO L270 CegarLoopResult]: At program point L526(lines 1 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:43:29,083 INFO L270 CegarLoopResult]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-10-20 01:43:29,083 INFO L274 CegarLoopResult]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2020-10-20 01:43:29,084 INFO L270 CegarLoopResult]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2020-10-20 01:43:29,084 INFO L270 CegarLoopResult]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2020-10-20 01:43:29,084 INFO L270 CegarLoopResult]: At program point L444(lines 439 447) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse11 (= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse5 (= 1 ~systemActive~0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9) (and .cse11 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10)))) [2020-10-20 01:43:29,084 INFO L270 CegarLoopResult]: At program point L444-1(lines 439 447) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse5 (= ~waterLevel~0 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not .cse6)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse5 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2020-10-20 01:43:29,084 INFO L270 CegarLoopResult]: At program point L444-2(lines 439 447) the Hoare annotation is: false [2020-10-20 01:43:29,084 INFO L270 CegarLoopResult]: At program point L444-3(lines 439 447) the Hoare annotation is: false [2020-10-20 01:43:29,084 INFO L270 CegarLoopResult]: At program point L444-4(lines 439 447) the Hoare annotation is: false [2020-10-20 01:43:29,085 INFO L270 CegarLoopResult]: At program point L444-5(lines 439 447) the Hoare annotation is: false [2020-10-20 01:43:29,085 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:43:29,085 INFO L274 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-10-20 01:43:29,085 INFO L274 CegarLoopResult]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2020-10-20 01:43:29,085 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:29,085 INFO L274 CegarLoopResult]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2020-10-20 01:43:29,085 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-20 01:43:29,085 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L298(lines 298 304) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 304) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L298-4(lines 298 304) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L381-3(lines 381 385) no Hoare annotation was computed. [2020-10-20 01:43:29,086 INFO L274 CegarLoopResult]: For program point L381-5(lines 381 385) no Hoare annotation was computed. [2020-10-20 01:43:29,087 INFO L274 CegarLoopResult]: For program point L381-6(lines 381 385) no Hoare annotation was computed. [2020-10-20 01:43:29,087 INFO L274 CegarLoopResult]: For program point L381-8(lines 381 385) no Hoare annotation was computed. [2020-10-20 01:43:29,087 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-10-20 01:43:29,087 INFO L270 CegarLoopResult]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:43:29,087 INFO L270 CegarLoopResult]: At program point L332-1(lines 327 335) the Hoare annotation is: false [2020-10-20 01:43:29,087 INFO L270 CegarLoopResult]: At program point L332-2(lines 327 335) the Hoare annotation is: false [2020-10-20 01:43:29,087 INFO L274 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-10-20 01:43:29,087 INFO L270 CegarLoopResult]: At program point L167-1(lines 167 173) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse5 .cse6))) [2020-10-20 01:43:29,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:29 BoogieIcfgContainer [2020-10-20 01:43:29,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:29,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:29,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:29,125 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:29,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:21" (3/4) ... [2020-10-20 01:43:29,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:43:29,155 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:43:29,156 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:43:29,157 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:43:29,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:43:29,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:43:29,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:29,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:29,199 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-10-20 01:43:29,199 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:29,200 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:29,201 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:29,202 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:29,203 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:43:29,203 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:29,204 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2020-10-20 01:43:29,205 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-10-20 01:43:29,205 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:29,286 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:29,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:29,288 INFO L168 Benchmark]: Toolchain (without parser) took 9247.09 ms. Allocated memory was 40.4 MB in the beginning and 102.8 MB in the end (delta: 62.4 MB). Free memory was 17.3 MB in the beginning and 41.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 38.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:29,289 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 30.9 MB. Free memory was 17.1 MB in the beginning and 17.0 MB in the end (delta: 31.3 kB). Peak memory consumption was 31.3 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:29,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.21 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.4 MB in the beginning and 19.1 MB in the end (delta: -2.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:29,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.80 ms. Allocated memory is still 43.0 MB. Free memory was 19.1 MB in the beginning and 15.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:29,290 INFO L168 Benchmark]: Boogie Preprocessor took 48.50 ms. Allocated memory is still 43.0 MB. Free memory was 15.5 MB in the beginning and 13.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:29,290 INFO L168 Benchmark]: RCFGBuilder took 969.91 ms. Allocated memory was 43.0 MB in the beginning and 47.2 MB in the end (delta: 4.2 MB). Free memory was 12.9 MB in the beginning and 23.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:29,291 INFO L168 Benchmark]: TraceAbstraction took 7415.86 ms. Allocated memory was 47.2 MB in the beginning and 102.8 MB in the end (delta: 55.6 MB). Free memory was 22.4 MB in the beginning and 54.0 MB in the end (delta: -31.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:29,291 INFO L168 Benchmark]: Witness Printer took 161.76 ms. Allocated memory is still 102.8 MB. Free memory was 54.0 MB in the beginning and 41.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:29,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 30.9 MB. Free memory was 17.1 MB in the beginning and 17.0 MB in the end (delta: 31.3 kB). Peak memory consumption was 31.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 573.21 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.4 MB in the beginning and 19.1 MB in the end (delta: -2.8 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 68.80 ms. Allocated memory is still 43.0 MB. Free memory was 19.1 MB in the beginning and 15.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 48.50 ms. Allocated memory is still 43.0 MB. Free memory was 15.5 MB in the beginning and 13.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 969.91 ms. Allocated memory was 43.0 MB in the beginning and 47.2 MB in the end (delta: 4.2 MB). Free memory was 12.9 MB in the beginning and 23.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7415.86 ms. Allocated memory was 47.2 MB in the beginning and 102.8 MB in the end (delta: 55.6 MB). Free memory was 22.4 MB in the beginning and 54.0 MB in the end (delta: -31.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 14.3 GB. * Witness Printer took 161.76 ms. Allocated memory is still 102.8 MB. Free memory was 54.0 MB in the beginning and 41.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1030 SDtfs, 1438 SDslu, 1929 SDs, 0 SdLazy, 279 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred 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: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 279 NumberOfFragments, 1140 HoareAnnotationTreeSize, 40 FomulaSimplifications, 318668 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 25586 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 17496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...