./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_1.5.800.v20200727-1323.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_spec2_product50.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 9f33e15e0937d430cb63c24d59de4b6438b3be32 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:15:02,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:15:02,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:15:02,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:15:02,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:15:02,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:15:02,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:15:02,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:15:02,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:15:02,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:15:02,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:15:02,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:15:02,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:15:02,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:15:02,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:15:02,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:15:02,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:15:02,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:15:02,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:15:02,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:15:02,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:15:02,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:15:02,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:15:02,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:15:02,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:15:02,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:15:02,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:15:02,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:15:02,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:15:02,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:15:02,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:15:02,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:15:02,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:15:02,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:15:02,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:15:02,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:15:02,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:15:02,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:15:02,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:15:02,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:15:02,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:15:02,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:15:02,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:15:02,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:15:02,727 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:15:02,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:15:02,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:15:02,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:15:02,730 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:15:02,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:15:02,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:15:02,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:15:02,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:15:02,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:15:02,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:15:02,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:15:02,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:15:02,731 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:15:02,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:15:02,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:15:02,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:15:02,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:15:02,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:15:02,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:15:02,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:15:02,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:15:02,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:15:02,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:15:02,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:15:02,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:15:02,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:15:02,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:15:02,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f33e15e0937d430cb63c24d59de4b6438b3be32 [2021-08-29 16:15:02,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:15:03,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:15:03,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:15:03,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:15:03,025 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:15:03,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-08-29 16:15:03,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6823b4c5/9eb31e5078dd4f5ea7a3e63f60e5de20/FLAG4aa1b1892 [2021-08-29 16:15:03,527 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:15:03,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-08-29 16:15:03,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6823b4c5/9eb31e5078dd4f5ea7a3e63f60e5de20/FLAG4aa1b1892 [2021-08-29 16:15:03,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6823b4c5/9eb31e5078dd4f5ea7a3e63f60e5de20 [2021-08-29 16:15:03,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:15:03,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:15:03,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:15:03,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:15:03,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:15:03,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:03,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b37a354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03, skipping insertion in model container [2021-08-29 16:15:03,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:03,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:15:03,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:15:03,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18615,18628] [2021-08-29 16:15:03,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:15:03,890 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:15:03,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18615,18628] [2021-08-29 16:15:03,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:15:03,948 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:15:03,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03 WrapperNode [2021-08-29 16:15:03,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:15:03,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:15:03,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:15:03,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:15:03,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:03,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:15:04,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:15:04,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:15:04,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:15:04,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:15:04,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:15:04,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:15:04,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:15:04,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (1/1) ... [2021-08-29 16:15:04,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:15:04,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:15:04,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:15:04,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:15:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:15:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:15:04,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:15:04,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:15:04,468 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:15:04,468 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-08-29 16:15:04,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:04 BoogieIcfgContainer [2021-08-29 16:15:04,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:15:04,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:15:04,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:15:04,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:15:04,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:15:03" (1/3) ... [2021-08-29 16:15:04,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e72db34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:15:04, skipping insertion in model container [2021-08-29 16:15:04,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:03" (2/3) ... [2021-08-29 16:15:04,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e72db34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:15:04, skipping insertion in model container [2021-08-29 16:15:04,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:04" (3/3) ... [2021-08-29 16:15:04,474 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2021-08-29 16:15:04,477 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:15:04,477 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:15:04,520 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:15:04,524 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:15:04,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:15:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 16:15:04,538 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:04,539 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:04,539 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:04,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:04,543 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2021-08-29 16:15:04,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:04,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916074240] [2021-08-29 16:15:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:04,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:04,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:04,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916074240] [2021-08-29 16:15:04,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916074240] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:04,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:04,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:04,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368962294] [2021-08-29 16:15:04,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:15:04,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:04,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:15:04,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:15:04,810 INFO L87 Difference]: Start difference. First operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:05,073 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-08-29 16:15:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:15:05,075 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-29 16:15:05,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:05,090 INFO L225 Difference]: With dead ends: 235 [2021-08-29 16:15:05,090 INFO L226 Difference]: Without dead ends: 117 [2021-08-29 16:15:05,093 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:15:05,095 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 189.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 232.78ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:05,096 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 177 Unknown, 0 Unchecked, 0.98ms Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 232.78ms Time] [2021-08-29 16:15:05,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-08-29 16:15:05,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-08-29 16:15:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 116 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-08-29 16:15:05,148 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-08-29 16:15:05,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:05,148 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-08-29 16:15:05,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-08-29 16:15:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:15:05,149 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:05,149 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:05,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:15:05,150 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:05,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:05,150 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2021-08-29 16:15:05,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:05,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375234936] [2021-08-29 16:15:05,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:05,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:05,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:05,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375234936] [2021-08-29 16:15:05,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375234936] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:05,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:05,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:05,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330443770] [2021-08-29 16:15:05,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:05,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:05,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:05,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:05,241 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:05,387 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-08-29 16:15:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:05,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-29 16:15:05,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:05,388 INFO L225 Difference]: With dead ends: 117 [2021-08-29 16:15:05,389 INFO L226 Difference]: Without dead ends: 49 [2021-08-29 16:15:05,389 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.34ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:05,390 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 63 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.78ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.39ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:05,390 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 0 Invalid, 77 Unknown, 0 Unchecked, 0.78ms Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 135.39ms Time] [2021-08-29 16:15:05,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-29 16:15:05,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-29 16:15:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-08-29 16:15:05,395 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-08-29 16:15:05,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:05,395 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-08-29 16:15:05,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-08-29 16:15:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:15:05,396 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:05,396 INFO L513 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] [2021-08-29 16:15:05,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:15:05,396 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:05,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:05,397 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2021-08-29 16:15:05,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:05,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305181391] [2021-08-29 16:15:05,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:05,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:05,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:05,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305181391] [2021-08-29 16:15:05,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305181391] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:05,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:05,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:15:05,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582794190] [2021-08-29 16:15:05,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:05,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:05,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:05,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:05,506 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:05,702 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-08-29 16:15:05,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:15:05,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-29 16:15:05,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:05,709 INFO L225 Difference]: With dead ends: 91 [2021-08-29 16:15:05,709 INFO L226 Difference]: Without dead ends: 49 [2021-08-29 16:15:05,709 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.37ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:15:05,710 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 200 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.00ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.45ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:05,711 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 0 Invalid, 76 Unknown, 0 Unchecked, 2.00ms Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 162.45ms Time] [2021-08-29 16:15:05,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-29 16:15:05,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-29 16:15:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-08-29 16:15:05,716 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-08-29 16:15:05,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:05,716 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-08-29 16:15:05,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-08-29 16:15:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:15:05,717 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:05,717 INFO L513 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] [2021-08-29 16:15:05,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:15:05,717 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:05,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:05,718 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2021-08-29 16:15:05,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:05,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646422583] [2021-08-29 16:15:05,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:05,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:05,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:05,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646422583] [2021-08-29 16:15:05,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646422583] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:05,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:05,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:05,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215662625] [2021-08-29 16:15:05,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:05,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:05,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:05,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:05,781 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:05,913 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-08-29 16:15:05,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:05,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-29 16:15:05,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:05,914 INFO L225 Difference]: With dead ends: 113 [2021-08-29 16:15:05,914 INFO L226 Difference]: Without dead ends: 71 [2021-08-29 16:15:05,914 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:05,915 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.93ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:05,916 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 126 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 110.93ms Time] [2021-08-29 16:15:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-08-29 16:15:05,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-08-29 16:15:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 68 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-08-29 16:15:05,926 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-08-29 16:15:05,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:05,926 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-08-29 16:15:05,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-08-29 16:15:05,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:15:05,927 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:05,927 INFO L513 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] [2021-08-29 16:15:05,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:15:05,928 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:05,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:05,928 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2021-08-29 16:15:05,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:05,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496121892] [2021-08-29 16:15:05,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:05,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:05,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:05,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496121892] [2021-08-29 16:15:05,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496121892] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:05,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:05,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:15:05,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655607962] [2021-08-29 16:15:05,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:05,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:05,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:05,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:05,986 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:06,405 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-08-29 16:15:06,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:15:06,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-29 16:15:06,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:06,406 INFO L225 Difference]: With dead ends: 182 [2021-08-29 16:15:06,406 INFO L226 Difference]: Without dead ends: 120 [2021-08-29 16:15:06,407 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.02ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:15:06,408 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 130 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 318.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.31ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 390.09ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:06,408 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 0 Invalid, 363 Unknown, 0 Unchecked, 2.31ms Time], IncrementalHoareTripleChecker [6 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 390.09ms Time] [2021-08-29 16:15:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-08-29 16:15:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-08-29 16:15:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-08-29 16:15:06,415 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-08-29 16:15:06,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:06,415 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-08-29 16:15:06,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-08-29 16:15:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:15:06,428 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:06,428 INFO L513 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] [2021-08-29 16:15:06,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:15:06,429 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:06,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:06,429 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2021-08-29 16:15:06,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:06,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576017743] [2021-08-29 16:15:06,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:06,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:06,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:06,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576017743] [2021-08-29 16:15:06,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576017743] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:06,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:06,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:06,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029089603] [2021-08-29 16:15:06,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:06,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:06,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:06,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:06,482 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:06,837 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-08-29 16:15:06,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:15:06,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-29 16:15:06,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:06,838 INFO L225 Difference]: With dead ends: 387 [2021-08-29 16:15:06,838 INFO L226 Difference]: Without dead ends: 319 [2021-08-29 16:15:06,839 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 22.05ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:15:06,839 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 274 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 226.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.32ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 309.92ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:06,840 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 0 Invalid, 458 Unknown, 0 Unchecked, 2.32ms Time], IncrementalHoareTripleChecker [6 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 309.92ms Time] [2021-08-29 16:15:06,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-08-29 16:15:06,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-08-29 16:15:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.3880597014925373) internal successors, (186), 134 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-08-29 16:15:06,859 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-08-29 16:15:06,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:06,859 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-08-29 16:15:06,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-08-29 16:15:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 16:15:06,860 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:06,860 INFO L513 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] [2021-08-29 16:15:06,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:15:06,860 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:06,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:06,860 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2021-08-29 16:15:06,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:06,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692689674] [2021-08-29 16:15:06,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:06,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:06,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:06,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692689674] [2021-08-29 16:15:06,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692689674] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:06,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:06,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:06,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125101044] [2021-08-29 16:15:06,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:06,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:06,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:06,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:06,912 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:07,329 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-08-29 16:15:07,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:15:07,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-29 16:15:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:07,331 INFO L225 Difference]: With dead ends: 506 [2021-08-29 16:15:07,331 INFO L226 Difference]: Without dead ends: 378 [2021-08-29 16:15:07,333 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 22.88ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:15:07,335 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 219 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 297.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.12ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 368.69ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:07,335 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 0 Invalid, 507 Unknown, 0 Unchecked, 2.12ms Time], IncrementalHoareTripleChecker [5 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 368.69ms Time] [2021-08-29 16:15:07,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-08-29 16:15:07,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-08-29 16:15:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.3759398496240602) internal successors, (183), 133 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-08-29 16:15:07,358 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-08-29 16:15:07,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:07,358 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-08-29 16:15:07,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-08-29 16:15:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 16:15:07,359 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:07,359 INFO L513 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] [2021-08-29 16:15:07,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:15:07,359 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:07,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:07,359 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2021-08-29 16:15:07,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:07,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547201103] [2021-08-29 16:15:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:07,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:07,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:07,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547201103] [2021-08-29 16:15:07,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547201103] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:07,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:07,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:15:07,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069829212] [2021-08-29 16:15:07,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:15:07,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:07,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:15:07,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:07,425 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:07,638 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2021-08-29 16:15:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:15:07,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-29 16:15:07,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:07,639 INFO L225 Difference]: With dead ends: 357 [2021-08-29 16:15:07,639 INFO L226 Difference]: Without dead ends: 230 [2021-08-29 16:15:07,640 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.98ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-29 16:15:07,640 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 293 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 168.76ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:07,640 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 0 Invalid, 254 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [5 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 168.76ms Time] [2021-08-29 16:15:07,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-08-29 16:15:07,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2021-08-29 16:15:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 141 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-08-29 16:15:07,647 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-08-29 16:15:07,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:07,648 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-08-29 16:15:07,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-08-29 16:15:07,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 16:15:07,648 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:07,648 INFO L513 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] [2021-08-29 16:15:07,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:15:07,649 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:07,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:07,649 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2021-08-29 16:15:07,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:07,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222241750] [2021-08-29 16:15:07,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:07,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:07,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:07,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222241750] [2021-08-29 16:15:07,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222241750] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:07,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:07,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:07,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232109910] [2021-08-29 16:15:07,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:07,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:07,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:07,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:07,698 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:07,833 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2021-08-29 16:15:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:07,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-29 16:15:07,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:07,835 INFO L225 Difference]: With dead ends: 327 [2021-08-29 16:15:07,836 INFO L226 Difference]: Without dead ends: 192 [2021-08-29 16:15:07,836 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:07,837 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.37ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:07,837 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 132 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 121.37ms Time] [2021-08-29 16:15:07,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-08-29 16:15:07,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-08-29 16:15:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 191 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-08-29 16:15:07,846 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2021-08-29 16:15:07,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:07,846 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-08-29 16:15:07,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-08-29 16:15:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 16:15:07,847 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:07,847 INFO L513 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] [2021-08-29 16:15:07,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:15:07,847 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:07,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:07,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2021-08-29 16:15:07,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:07,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507344253] [2021-08-29 16:15:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:07,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:07,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:07,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507344253] [2021-08-29 16:15:07,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507344253] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:07,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:07,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:07,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712091370] [2021-08-29 16:15:07,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:07,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:07,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:07,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:07,875 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:07,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:07,999 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2021-08-29 16:15:07,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:08,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 16:15:08,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:08,001 INFO L225 Difference]: With dead ends: 295 [2021-08-29 16:15:08,001 INFO L226 Difference]: Without dead ends: 293 [2021-08-29 16:15:08,001 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:08,001 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.36ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.64ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:08,002 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 134 Unknown, 0 Unchecked, 0.36ms Time], IncrementalHoareTripleChecker [5 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 103.64ms Time] [2021-08-29 16:15:08,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-08-29 16:15:08,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2021-08-29 16:15:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.3433476394849786) internal successors, (313), 233 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2021-08-29 16:15:08,013 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2021-08-29 16:15:08,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:08,013 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2021-08-29 16:15:08,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2021-08-29 16:15:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-29 16:15:08,014 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:08,015 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:08,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 16:15:08,015 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:08,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:08,015 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2021-08-29 16:15:08,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:08,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844273193] [2021-08-29 16:15:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:08,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:08,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:08,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844273193] [2021-08-29 16:15:08,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844273193] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:08,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:08,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:15:08,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553179928] [2021-08-29 16:15:08,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:08,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:08,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:08,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:08,058 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:08,199 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2021-08-29 16:15:08,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:15:08,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-08-29 16:15:08,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:08,201 INFO L225 Difference]: With dead ends: 374 [2021-08-29 16:15:08,201 INFO L226 Difference]: Without dead ends: 197 [2021-08-29 16:15:08,201 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.91ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:15:08,202 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 136 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.27ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:08,202 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 0 Invalid, 133 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 121.27ms Time] [2021-08-29 16:15:08,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-08-29 16:15:08,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-08-29 16:15:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.3010204081632653) internal successors, (255), 196 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-08-29 16:15:08,216 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2021-08-29 16:15:08,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:08,217 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-08-29 16:15:08,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-08-29 16:15:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-29 16:15:08,218 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:08,218 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:08,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 16:15:08,219 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:08,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:08,219 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2021-08-29 16:15:08,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:08,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288521181] [2021-08-29 16:15:08,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:08,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:15:08,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:08,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288521181] [2021-08-29 16:15:08,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288521181] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:08,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:08,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 16:15:08,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078430479] [2021-08-29 16:15:08,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 16:15:08,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:08,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 16:15:08,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:15:08,300 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:08,653 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2021-08-29 16:15:08,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:15:08,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-08-29 16:15:08,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:08,655 INFO L225 Difference]: With dead ends: 528 [2021-08-29 16:15:08,655 INFO L226 Difference]: Without dead ends: 388 [2021-08-29 16:15:08,655 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 42.03ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-29 16:15:08,656 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 303 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 238.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 292.20ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:08,656 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 0 Invalid, 376 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [1 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 292.20ms Time] [2021-08-29 16:15:08,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-08-29 16:15:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2021-08-29 16:15:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.2920792079207921) internal successors, (261), 202 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2021-08-29 16:15:08,666 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2021-08-29 16:15:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:08,666 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2021-08-29 16:15:08,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2021-08-29 16:15:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-29 16:15:08,667 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:08,667 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:08,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 16:15:08,667 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:08,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:08,667 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2021-08-29 16:15:08,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:08,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961488295] [2021-08-29 16:15:08,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:08,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:08,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:08,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961488295] [2021-08-29 16:15:08,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961488295] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:08,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:08,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:15:08,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400292850] [2021-08-29 16:15:08,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:15:08,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:08,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:15:08,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:08,742 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:08,992 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2021-08-29 16:15:08,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:15:08,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-08-29 16:15:08,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:08,993 INFO L225 Difference]: With dead ends: 485 [2021-08-29 16:15:08,993 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:15:08,994 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.28ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:15:08,994 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 150 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 160.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.12ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 208.67ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:08,994 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 0 Invalid, 400 Unknown, 0 Unchecked, 1.12ms Time], IncrementalHoareTripleChecker [10 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 208.67ms Time] [2021-08-29 16:15:08,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:15:08,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:15:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:15:08,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-08-29 16:15:08,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:08,995 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:15:08,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:15:08,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:15:08,997 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:15:08,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:15:08,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:15:08,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 16:15:08,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:15:09,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:09,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:11,345 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-08-29 16:15:11,346 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 176) no Hoare annotation was computed. [2021-08-29 16:15:11,346 INFO L861 garLoopResultBuilder]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2021-08-29 16:15:11,346 INFO L854 garLoopResultBuilder]: At program point L599(lines 550 600) the Hoare annotation is: false [2021-08-29 16:15:11,346 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 418) no Hoare annotation was computed. [2021-08-29 16:15:11,346 INFO L858 garLoopResultBuilder]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2021-08-29 16:15:11,346 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2021-08-29 16:15:11,347 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:15:11,347 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 220) no Hoare annotation was computed. [2021-08-29 16:15:11,347 INFO L854 garLoopResultBuilder]: At program point L203-1(lines 1 981) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-08-29 16:15:11,347 INFO L858 garLoopResultBuilder]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:15:11,347 INFO L858 garLoopResultBuilder]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2021-08-29 16:15:11,347 INFO L854 garLoopResultBuilder]: At program point L203-3(lines 1 981) the Hoare annotation is: false [2021-08-29 16:15:11,347 INFO L858 garLoopResultBuilder]: For program point L203-4(lines 203 220) no Hoare annotation was computed. [2021-08-29 16:15:11,347 INFO L858 garLoopResultBuilder]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:15:11,348 INFO L854 garLoopResultBuilder]: At program point L203-5(lines 1 981) the Hoare annotation is: false [2021-08-29 16:15:11,348 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,348 INFO L858 garLoopResultBuilder]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,348 INFO L858 garLoopResultBuilder]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,348 INFO L858 garLoopResultBuilder]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,348 INFO L858 garLoopResultBuilder]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,348 INFO L858 garLoopResultBuilder]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,348 INFO L858 garLoopResultBuilder]: For program point L503-9(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L858 garLoopResultBuilder]: For program point L503-11(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L858 garLoopResultBuilder]: For program point L503-12(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L858 garLoopResultBuilder]: For program point L503-14(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L858 garLoopResultBuilder]: For program point L503-15(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L858 garLoopResultBuilder]: For program point L503-17(lines 503 507) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L858 garLoopResultBuilder]: For program point L405(lines 405 413) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L858 garLoopResultBuilder]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L858 garLoopResultBuilder]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2021-08-29 16:15:11,349 INFO L854 garLoopResultBuilder]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5))) [2021-08-29 16:15:11,350 INFO L854 garLoopResultBuilder]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2021-08-29 16:15:11,350 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 217) no Hoare annotation was computed. [2021-08-29 16:15:11,350 INFO L854 garLoopResultBuilder]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2021-08-29 16:15:11,350 INFO L858 garLoopResultBuilder]: For program point L207-2(lines 207 217) no Hoare annotation was computed. [2021-08-29 16:15:11,350 INFO L854 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:15:11,350 INFO L858 garLoopResultBuilder]: For program point L207-4(lines 207 217) no Hoare annotation was computed. [2021-08-29 16:15:11,350 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 577) no Hoare annotation was computed. [2021-08-29 16:15:11,350 INFO L854 garLoopResultBuilder]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-08-29 16:15:11,351 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-08-29 16:15:11,351 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 214) no Hoare annotation was computed. [2021-08-29 16:15:11,351 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 214) no Hoare annotation was computed. [2021-08-29 16:15:11,351 INFO L858 garLoopResultBuilder]: For program point L208-4(lines 208 214) no Hoare annotation was computed. [2021-08-29 16:15:11,351 INFO L854 garLoopResultBuilder]: At program point L143(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:15:11,351 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 392) no Hoare annotation was computed. [2021-08-29 16:15:11,351 INFO L858 garLoopResultBuilder]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2021-08-29 16:15:11,351 INFO L858 garLoopResultBuilder]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2021-08-29 16:15:11,352 INFO L858 garLoopResultBuilder]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2021-08-29 16:15:11,352 INFO L858 garLoopResultBuilder]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2021-08-29 16:15:11,352 INFO L858 garLoopResultBuilder]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2021-08-29 16:15:11,352 INFO L854 garLoopResultBuilder]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse6 .cse7 .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse8 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse7 .cse4 .cse5))) [2021-08-29 16:15:11,352 INFO L858 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2021-08-29 16:15:11,352 INFO L854 garLoopResultBuilder]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2021-08-29 16:15:11,352 INFO L854 garLoopResultBuilder]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2021-08-29 16:15:11,352 INFO L861 garLoopResultBuilder]: At program point L178(lines 159 181) the Hoare annotation is: true [2021-08-29 16:15:11,352 INFO L854 garLoopResultBuilder]: At program point L509(lines 494 512) the Hoare annotation is: false [2021-08-29 16:15:11,353 INFO L854 garLoopResultBuilder]: At program point L509-1(lines 494 512) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 .cse5 (<= 1 ~waterLevel~0) .cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse9 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse9 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7))) [2021-08-29 16:15:11,353 INFO L854 garLoopResultBuilder]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2021-08-29 16:15:11,353 INFO L854 garLoopResultBuilder]: At program point L509-3(lines 494 512) the Hoare annotation is: false [2021-08-29 16:15:11,353 INFO L854 garLoopResultBuilder]: At program point L509-4(lines 494 512) the Hoare annotation is: false [2021-08-29 16:15:11,353 INFO L854 garLoopResultBuilder]: At program point L509-5(lines 494 512) the Hoare annotation is: false [2021-08-29 16:15:11,353 INFO L858 garLoopResultBuilder]: For program point L379(lines 379 387) no Hoare annotation was computed. [2021-08-29 16:15:11,353 INFO L858 garLoopResultBuilder]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2021-08-29 16:15:11,353 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L313-2(lines 313 319) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L313-3(lines 313 319) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L313-4(lines 313 319) no Hoare annotation was computed. [2021-08-29 16:15:11,354 INFO L858 garLoopResultBuilder]: For program point L313-5(lines 313 319) no Hoare annotation was computed. [2021-08-29 16:15:11,355 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:15:11,355 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 594) no Hoare annotation was computed. [2021-08-29 16:15:11,355 INFO L854 garLoopResultBuilder]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse4 .cse5))) [2021-08-29 16:15:11,355 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:15:11,355 INFO L854 garLoopResultBuilder]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2021-08-29 16:15:11,355 INFO L854 garLoopResultBuilder]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2021-08-29 16:15:11,355 INFO L858 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2021-08-29 16:15:11,355 INFO L858 garLoopResultBuilder]: For program point L978-1(line 978) no Hoare annotation was computed. [2021-08-29 16:15:11,355 INFO L858 garLoopResultBuilder]: For program point L978-2(line 978) no Hoare annotation was computed. [2021-08-29 16:15:11,356 INFO L854 garLoopResultBuilder]: At program point L318(lines 309 322) the Hoare annotation is: false [2021-08-29 16:15:11,356 INFO L854 garLoopResultBuilder]: At program point L318-1(lines 309 322) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse6) (and .cse0 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse7 .cse5 .cse6))) [2021-08-29 16:15:11,356 INFO L854 garLoopResultBuilder]: At program point L318-2(lines 309 322) the Hoare annotation is: false [2021-08-29 16:15:11,356 INFO L854 garLoopResultBuilder]: At program point L318-3(lines 309 322) the Hoare annotation is: false [2021-08-29 16:15:11,356 INFO L854 garLoopResultBuilder]: At program point L318-4(lines 309 322) the Hoare annotation is: false [2021-08-29 16:15:11,356 INFO L854 garLoopResultBuilder]: At program point L318-5(lines 309 322) the Hoare annotation is: false [2021-08-29 16:15:11,356 INFO L858 garLoopResultBuilder]: For program point L552(lines 551 598) no Hoare annotation was computed. [2021-08-29 16:15:11,356 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 557) no Hoare annotation was computed. [2021-08-29 16:15:11,357 INFO L854 garLoopResultBuilder]: At program point L454(lines 449 457) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 (not .cse2) .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 (<= 1 ~waterLevel~0) .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 (= ~waterLevel~0 1) .cse6))) [2021-08-29 16:15:11,357 INFO L854 garLoopResultBuilder]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2021-08-29 16:15:11,357 INFO L854 garLoopResultBuilder]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2021-08-29 16:15:11,357 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:15:11,357 INFO L854 garLoopResultBuilder]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2021-08-29 16:15:11,357 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-08-29 16:15:11,357 INFO L858 garLoopResultBuilder]: For program point L522-2(lines 522 526) no Hoare annotation was computed. [2021-08-29 16:15:11,357 INFO L858 garLoopResultBuilder]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2021-08-29 16:15:11,358 INFO L858 garLoopResultBuilder]: For program point L522-5(lines 522 526) no Hoare annotation was computed. [2021-08-29 16:15:11,358 INFO L858 garLoopResultBuilder]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2021-08-29 16:15:11,358 INFO L858 garLoopResultBuilder]: For program point L522-8(lines 522 526) no Hoare annotation was computed. [2021-08-29 16:15:11,358 INFO L854 garLoopResultBuilder]: At program point L192(lines 187 194) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:15:11,358 INFO L858 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2021-08-29 16:15:11,358 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 593) no Hoare annotation was computed. [2021-08-29 16:15:11,358 INFO L854 garLoopResultBuilder]: At program point L589-2(lines 343 349) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-08-29 16:15:11,358 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:15:11,358 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 264) no Hoare annotation was computed. [2021-08-29 16:15:11,359 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-08-29 16:15:11,359 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 343 349) no Hoare annotation was computed. [2021-08-29 16:15:11,359 INFO L854 garLoopResultBuilder]: At program point L328(lines 323 331) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:15:11,359 INFO L854 garLoopResultBuilder]: At program point L328-1(lines 323 331) the Hoare annotation is: false [2021-08-29 16:15:11,359 INFO L854 garLoopResultBuilder]: At program point L328-2(lines 323 331) the Hoare annotation is: false [2021-08-29 16:15:11,359 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:15:11,359 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-08-29 16:15:11,359 INFO L858 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2021-08-29 16:15:11,360 INFO L854 garLoopResultBuilder]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-08-29 16:15:11,360 INFO L854 garLoopResultBuilder]: At program point L528(lines 513 531) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (not (= 0 ~systemActive~0))) [2021-08-29 16:15:11,360 INFO L854 garLoopResultBuilder]: At program point L528-1(lines 513 531) the Hoare annotation is: false [2021-08-29 16:15:11,360 INFO L854 garLoopResultBuilder]: At program point L528-2(lines 513 531) the Hoare annotation is: false [2021-08-29 16:15:11,360 INFO L854 garLoopResultBuilder]: At program point L67(lines 1 981) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:15:11,363 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:15:11,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:15:11 BoogieIcfgContainer [2021-08-29 16:15:11,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:15:11,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:15:11,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:15:11,397 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:15:11,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:04" (3/4) ... [2021-08-29 16:15:11,400 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:15:11,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:15:11,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:15:11,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:15:11,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:15:11,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:15:11,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:15:11,423 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:15:11,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-29 16:15:11,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-29 16:15:11,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-29 16:15:11,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) [2021-08-29 16:15:11,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) [2021-08-29 16:15:11,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp___0 == 0)) && !(\result == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) [2021-08-29 16:15:11,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(tmp == 0)) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && !(tmp == 0)) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-29 16:15:11,472 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:15:11,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:15:11,472 INFO L158 Benchmark]: Toolchain (without parser) took 7915.31ms. Allocated memory was 52.4MB in the beginning and 121.6MB in the end (delta: 69.2MB). Free memory was 29.3MB in the beginning and 32.2MB in the end (delta: -2.9MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,473 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 52.4MB. Free memory was 35.4MB in the beginning and 35.3MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:15:11,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.47ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 29.1MB in the beginning and 46.3MB in the end (delta: -17.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.20ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 42.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,473 INFO L158 Benchmark]: Boogie Preprocessor took 25.26ms. Allocated memory is still 69.2MB. Free memory was 42.6MB in the beginning and 39.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,473 INFO L158 Benchmark]: RCFGBuilder took 427.47ms. Allocated memory is still 69.2MB. Free memory was 39.9MB in the beginning and 33.8MB in the end (delta: 6.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,474 INFO L158 Benchmark]: TraceAbstraction took 6925.92ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 33.2MB in the beginning and 41.6MB in the end (delta: -8.4MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,474 INFO L158 Benchmark]: Witness Printer took 75.15ms. Allocated memory is still 121.6MB. Free memory was 41.6MB in the beginning and 32.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 52.4MB. Free memory was 35.4MB in the beginning and 35.3MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.47ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 29.1MB in the beginning and 46.3MB in the end (delta: -17.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.20ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 42.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.26ms. Allocated memory is still 69.2MB. Free memory was 42.6MB in the beginning and 39.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.47ms. Allocated memory is still 69.2MB. Free memory was 39.9MB in the beginning and 33.8MB in the end (delta: 6.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6925.92ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 33.2MB in the beginning and 41.6MB in the end (delta: -8.4MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Witness Printer took 75.15ms. Allocated memory is still 121.6MB. Free memory was 41.6MB in the beginning and 32.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6844.32ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 27.21ms, AutomataDifference: 3250.54ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 2346.86ms, InitialAbstractionConstructionTime: 7.49ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1858 SdHoareTripleChecker+Valid, 2726.16ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1858 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2109.51ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1702 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3165 IncrementalHoareTripleChecker+Invalid, 3213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 0 mSDtfsCounter, 3165 mSolverCounterSat, 16.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 196.57ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 152.89ms AutomataMinimizationTime, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1138 HoareAnnotationTreeSize, 44 FomulaSimplifications, 380260 FormulaSimplificationTreeSizeReduction, 489.08ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 92190 FormulaSimplificationTreeSizeReductionInter, 1843.99ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 47.76ms SsaConstructionTime, 288.77ms SatisfiabilityAnalysisTime, 535.08ms InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp___0 == 0)) && !(\result == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(tmp == 0)) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && !(tmp == 0)) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-08-29 16:15:11,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...