./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product41.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 5b9eca3afb7c823b2d668da4db479190de6a16d4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:45:04,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:04,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:04,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:04,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:04,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:04,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:04,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:04,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:04,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:04,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:04,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:04,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:04,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:04,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:04,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:04,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:04,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:04,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:04,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:04,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:04,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:04,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:04,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:04,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:04,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:04,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:04,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:04,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:04,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:04,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:04,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:04,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:04,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:04,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:04,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:04,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:04,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:04,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:04,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:04,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:04,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:04,572 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:04,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:04,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:04,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:04,574 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:04,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:04,574 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:04,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:04,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:04,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:04,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:04,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:04,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:04,575 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:04,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:04,576 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:04,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:04,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:04,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:04,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:04,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:04,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:04,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:04,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:04,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:04,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:04,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:04,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:04,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:04,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b9eca3afb7c823b2d668da4db479190de6a16d4 [2020-10-20 01:45:04,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:04,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:04,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:04,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:04,818 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:04,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2020-10-20 01:45:04,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e37036ef/9ec978f5b51e4410ac9f2e5a70f7871c/FLAG40c894bfa [2020-10-20 01:45:05,469 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:05,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2020-10-20 01:45:05,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e37036ef/9ec978f5b51e4410ac9f2e5a70f7871c/FLAG40c894bfa [2020-10-20 01:45:05,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e37036ef/9ec978f5b51e4410ac9f2e5a70f7871c [2020-10-20 01:45:05,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:05,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:05,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:05,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:05,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:05,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:05" (1/1) ... [2020-10-20 01:45:05,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da73bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:05, skipping insertion in model container [2020-10-20 01:45:05,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:05" (1/1) ... [2020-10-20 01:45:05,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:05,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:06,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:06,271 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:06,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:06,477 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:06,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06 WrapperNode [2020-10-20 01:45:06,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:06,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:06,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:06,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:06,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:06,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:06,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:06,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:06,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:06,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:06,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:06,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:06,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:07,696 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:07,698 INFO L298 CfgBuilder]: Removed 134 assume(true) statements. [2020-10-20 01:45:07,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:07 BoogieIcfgContainer [2020-10-20 01:45:07,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:07,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:07,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:07,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:07,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:05" (1/3) ... [2020-10-20 01:45:07,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de04df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:07, skipping insertion in model container [2020-10-20 01:45:07,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (2/3) ... [2020-10-20 01:45:07,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de04df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:07, skipping insertion in model container [2020-10-20 01:45:07,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:07" (3/3) ... [2020-10-20 01:45:07,717 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-10-20 01:45:07,730 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:07,740 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:07,756 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:07,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:07,794 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:07,794 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:07,795 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:07,796 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:07,796 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:07,797 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:07,797 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2020-10-20 01:45:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:07,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:07,837 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,845 INFO L82 PathProgramCache]: Analyzing trace with hash 861548660, now seen corresponding path program 1 times [2020-10-20 01:45:07,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569248814] [2020-10-20 01:45:07,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:08,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569248814] [2020-10-20 01:45:08,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:08,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226474302] [2020-10-20 01:45:08,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:08,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:08,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:08,221 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2020-10-20 01:45:08,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,253 INFO L93 Difference]: Finished difference Result 188 states and 277 transitions. [2020-10-20 01:45:08,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:08,254 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:08,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,267 INFO L225 Difference]: With dead ends: 188 [2020-10-20 01:45:08,267 INFO L226 Difference]: Without dead ends: 92 [2020-10-20 01:45:08,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:08,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-20 01:45:08,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-20 01:45:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-20 01:45:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2020-10-20 01:45:08,316 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2020-10-20 01:45:08,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,316 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2020-10-20 01:45:08,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:08,317 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2020-10-20 01:45:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:08,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:08,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1627399083, now seen corresponding path program 1 times [2020-10-20 01:45:08,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428290834] [2020-10-20 01:45:08,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:08,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428290834] [2020-10-20 01:45:08,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:08,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655041925] [2020-10-20 01:45:08,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:08,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:08,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,509 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2020-10-20 01:45:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,539 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2020-10-20 01:45:08,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:08,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:08,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,541 INFO L225 Difference]: With dead ends: 92 [2020-10-20 01:45:08,542 INFO L226 Difference]: Without dead ends: 41 [2020-10-20 01:45:08,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-20 01:45:08,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-20 01:45:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-20 01:45:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2020-10-20 01:45:08,550 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2020-10-20 01:45:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,550 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2020-10-20 01:45:08,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-10-20 01:45:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:08,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:08,553 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2020-10-20 01:45:08,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544452623] [2020-10-20 01:45:08,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:08,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544452623] [2020-10-20 01:45:08,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:08,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388337900] [2020-10-20 01:45:08,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:08,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:08,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,673 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2020-10-20 01:45:08,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,682 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2020-10-20 01:45:08,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:08,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:08,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,684 INFO L225 Difference]: With dead ends: 75 [2020-10-20 01:45:08,684 INFO L226 Difference]: Without dead ends: 41 [2020-10-20 01:45:08,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-20 01:45:08,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-20 01:45:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-20 01:45:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2020-10-20 01:45:08,692 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2020-10-20 01:45:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,693 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2020-10-20 01:45:08,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-10-20 01:45:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:45:08,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:08,695 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2020-10-20 01:45:08,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569520079] [2020-10-20 01:45:08,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:08,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569520079] [2020-10-20 01:45:08,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:08,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324099880] [2020-10-20 01:45:08,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:08,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:08,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,791 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2020-10-20 01:45:08,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,857 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-10-20 01:45:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:08,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-20 01:45:08,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,859 INFO L225 Difference]: With dead ends: 99 [2020-10-20 01:45:08,859 INFO L226 Difference]: Without dead ends: 65 [2020-10-20 01:45:08,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-20 01:45:08,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-10-20 01:45:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-20 01:45:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2020-10-20 01:45:08,873 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2020-10-20 01:45:08,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,874 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2020-10-20 01:45:08,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2020-10-20 01:45:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:08,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:08,878 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2020-10-20 01:45:08,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090205853] [2020-10-20 01:45:08,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:09,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090205853] [2020-10-20 01:45:09,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:09,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327861846] [2020-10-20 01:45:09,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:09,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:09,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:09,034 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2020-10-20 01:45:09,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,180 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2020-10-20 01:45:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:09,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:09,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,182 INFO L225 Difference]: With dead ends: 216 [2020-10-20 01:45:09,182 INFO L226 Difference]: Without dead ends: 160 [2020-10-20 01:45:09,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:09,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-20 01:45:09,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-10-20 01:45:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-20 01:45:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2020-10-20 01:45:09,194 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2020-10-20 01:45:09,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,194 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2020-10-20 01:45:09,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-10-20 01:45:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:09,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:09,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:09,197 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2020-10-20 01:45:09,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116214077] [2020-10-20 01:45:09,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:09,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116214077] [2020-10-20 01:45:09,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:09,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688836222] [2020-10-20 01:45:09,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:09,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:09,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:09,373 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2020-10-20 01:45:09,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,441 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2020-10-20 01:45:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:09,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:45:09,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,444 INFO L225 Difference]: With dead ends: 161 [2020-10-20 01:45:09,444 INFO L226 Difference]: Without dead ends: 106 [2020-10-20 01:45:09,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:09,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-20 01:45:09,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2020-10-20 01:45:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 01:45:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2020-10-20 01:45:09,455 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2020-10-20 01:45:09,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,456 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2020-10-20 01:45:09,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-10-20 01:45:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:09,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:09,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:09,458 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,459 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2020-10-20 01:45:09,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969996401] [2020-10-20 01:45:09,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:09,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969996401] [2020-10-20 01:45:09,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:09,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484495422] [2020-10-20 01:45:09,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:09,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:09,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:09,531 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 5 states. [2020-10-20 01:45:09,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,610 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2020-10-20 01:45:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:09,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:45:09,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,613 INFO L225 Difference]: With dead ends: 170 [2020-10-20 01:45:09,613 INFO L226 Difference]: Without dead ends: 112 [2020-10-20 01:45:09,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:09,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-20 01:45:09,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2020-10-20 01:45:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-20 01:45:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2020-10-20 01:45:09,625 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2020-10-20 01:45:09,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,625 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2020-10-20 01:45:09,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:09,626 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2020-10-20 01:45:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:09,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:09,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:09,628 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,629 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2020-10-20 01:45:09,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198556719] [2020-10-20 01:45:09,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:09,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198556719] [2020-10-20 01:45:09,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:09,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479991582] [2020-10-20 01:45:09,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:09,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:09,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:09,678 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2020-10-20 01:45:09,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,705 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2020-10-20 01:45:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:09,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-10-20 01:45:09,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,707 INFO L225 Difference]: With dead ends: 154 [2020-10-20 01:45:09,707 INFO L226 Difference]: Without dead ends: 94 [2020-10-20 01:45:09,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:09,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-20 01:45:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-10-20 01:45:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-20 01:45:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2020-10-20 01:45:09,721 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2020-10-20 01:45:09,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,721 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2020-10-20 01:45:09,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-10-20 01:45:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:09,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:09,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:09,724 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,725 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2020-10-20 01:45:09,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678988518] [2020-10-20 01:45:09,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:09,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678988518] [2020-10-20 01:45:09,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:09,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186332315] [2020-10-20 01:45:09,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:09,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:09,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:09,912 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 7 states. [2020-10-20 01:45:10,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,222 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2020-10-20 01:45:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:10,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-10-20 01:45:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,226 INFO L225 Difference]: With dead ends: 432 [2020-10-20 01:45:10,226 INFO L226 Difference]: Without dead ends: 372 [2020-10-20 01:45:10,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-20 01:45:10,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2020-10-20 01:45:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-20 01:45:10,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2020-10-20 01:45:10,248 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2020-10-20 01:45:10,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,249 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2020-10-20 01:45:10,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2020-10-20 01:45:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:45:10,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,251 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:10,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:10,251 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,251 INFO L82 PathProgramCache]: Analyzing trace with hash 365750722, now seen corresponding path program 1 times [2020-10-20 01:45:10,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251622044] [2020-10-20 01:45:10,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:10,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251622044] [2020-10-20 01:45:10,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715037004] [2020-10-20 01:45:10,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:45:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:10,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:10,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:10,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-20 01:45:10,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509139781] [2020-10-20 01:45:10,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:45:10,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:45:10,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:10,645 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 8 states. [2020-10-20 01:45:10,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,825 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2020-10-20 01:45:10,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:45:10,826 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-20 01:45:10,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,827 INFO L225 Difference]: With dead ends: 288 [2020-10-20 01:45:10,827 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:10,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:45:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:10,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:10,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-10-20 01:45:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,829 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:10,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:45:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:10,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:11,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:11,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:11,383 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2020-10-20 01:45:11,605 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2020-10-20 01:45:11,808 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 24 [2020-10-20 01:45:11,953 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-10-20 01:45:12,128 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-10-20 01:45:12,342 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 24 [2020-10-20 01:45:12,593 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2020-10-20 01:45:12,665 INFO L270 CegarLoopResult]: At program point L316(lines 316 322) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse5 .cse2 .cse3) (and .cse1 .cse0 .cse4 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse2))) [2020-10-20 01:45:12,665 INFO L274 CegarLoopResult]: For program point L283(lines 283 290) no Hoare annotation was computed. [2020-10-20 01:45:12,665 INFO L270 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: false [2020-10-20 01:45:12,665 INFO L270 CegarLoopResult]: At program point L316-2(lines 316 322) the Hoare annotation is: false [2020-10-20 01:45:12,666 INFO L277 CegarLoopResult]: At program point L283-1(lines 283 290) the Hoare annotation is: true [2020-10-20 01:45:12,666 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,666 INFO L274 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-10-20 01:45:12,666 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,666 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,666 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,666 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,666 INFO L274 CegarLoopResult]: For program point L483(lines 482 527) no Hoare annotation was computed. [2020-10-20 01:45:12,667 INFO L270 CegarLoopResult]: At program point L467(lines 452 470) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2))) [2020-10-20 01:45:12,667 INFO L270 CegarLoopResult]: At program point L467-1(lines 452 470) the Hoare annotation is: false [2020-10-20 01:45:12,667 INFO L270 CegarLoopResult]: At program point L467-2(lines 452 470) the Hoare annotation is: false [2020-10-20 01:45:12,667 INFO L274 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2020-10-20 01:45:12,667 INFO L274 CegarLoopResult]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:12,668 INFO L270 CegarLoopResult]: At program point L72-1(lines 1 945) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse4 .cse1 .cse0 .cse5 .cse6 .cse7 .cse8 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse9 .cse2))) [2020-10-20 01:45:12,668 INFO L274 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-10-20 01:45:12,668 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:12,669 INFO L270 CegarLoopResult]: At program point L72-3(lines 1 945) the Hoare annotation is: false [2020-10-20 01:45:12,669 INFO L274 CegarLoopResult]: For program point L518-2(lines 512 523) no Hoare annotation was computed. [2020-10-20 01:45:12,669 INFO L274 CegarLoopResult]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:12,669 INFO L270 CegarLoopResult]: At program point L72-5(lines 1 945) the Hoare annotation is: false [2020-10-20 01:45:12,670 INFO L270 CegarLoopResult]: At program point L188(lines 179 192) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-10-20 01:45:12,670 INFO L270 CegarLoopResult]: At program point L188-1(lines 179 192) the Hoare annotation is: false [2020-10-20 01:45:12,670 INFO L270 CegarLoopResult]: At program point L188-2(lines 179 192) the Hoare annotation is: false [2020-10-20 01:45:12,670 INFO L274 CegarLoopResult]: For program point L502(lines 502 508) no Hoare annotation was computed. [2020-10-20 01:45:12,671 INFO L270 CegarLoopResult]: At program point L502-1(lines 502 508) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2020-10-20 01:45:12,671 INFO L270 CegarLoopResult]: At program point L403(lines 396 406) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:12,671 INFO L270 CegarLoopResult]: At program point L403-1(lines 396 406) the Hoare annotation is: false [2020-10-20 01:45:12,671 INFO L270 CegarLoopResult]: At program point L403-2(lines 396 406) the Hoare annotation is: false [2020-10-20 01:45:12,671 INFO L274 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-10-20 01:45:12,672 INFO L274 CegarLoopResult]: For program point L106-3(lines 106 110) no Hoare annotation was computed. [2020-10-20 01:45:12,672 INFO L274 CegarLoopResult]: For program point L106-6(lines 106 110) no Hoare annotation was computed. [2020-10-20 01:45:12,672 INFO L270 CegarLoopResult]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,673 INFO L270 CegarLoopResult]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2020-10-20 01:45:12,673 INFO L270 CegarLoopResult]: At program point L933(lines 928 936) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,673 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,673 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-20 01:45:12,674 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,674 INFO L270 CegarLoopResult]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse7 .cse5 .cse6) (and (= ~waterLevel~0 1) .cse1 .cse7 .cse5))) [2020-10-20 01:45:12,674 INFO L270 CegarLoopResult]: At program point L175-1(lines 170 178) the Hoare annotation is: false [2020-10-20 01:45:12,675 INFO L270 CegarLoopResult]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2020-10-20 01:45:12,675 INFO L274 CegarLoopResult]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:12,675 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:12,675 INFO L274 CegarLoopResult]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:12,675 INFO L274 CegarLoopResult]: For program point L341(lines 341 358) no Hoare annotation was computed. [2020-10-20 01:45:12,675 INFO L274 CegarLoopResult]: For program point L341-1(lines 341 358) no Hoare annotation was computed. [2020-10-20 01:45:12,676 INFO L274 CegarLoopResult]: For program point L341-2(lines 341 358) no Hoare annotation was computed. [2020-10-20 01:45:12,676 INFO L270 CegarLoopResult]: At program point L143(lines 138 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:12,676 INFO L270 CegarLoopResult]: At program point L143-1(lines 138 146) the Hoare annotation is: false [2020-10-20 01:45:12,676 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:12,677 INFO L270 CegarLoopResult]: At program point L143-2(lines 138 146) the Hoare annotation is: false [2020-10-20 01:45:12,677 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:12,677 INFO L274 CegarLoopResult]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:12,677 INFO L277 CegarLoopResult]: At program point L292(lines 273 295) the Hoare annotation is: true [2020-10-20 01:45:12,677 INFO L270 CegarLoopResult]: At program point L61(lines 309 315) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse4 .cse1))) [2020-10-20 01:45:12,678 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,678 INFO L270 CegarLoopResult]: At program point L61-1(lines 309 315) the Hoare annotation is: false [2020-10-20 01:45:12,678 INFO L270 CegarLoopResult]: At program point L61-2(lines 309 315) the Hoare annotation is: false [2020-10-20 01:45:12,678 INFO L270 CegarLoopResult]: At program point L309(lines 305 327) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse1))) [2020-10-20 01:45:12,679 INFO L270 CegarLoopResult]: At program point L309-1(lines 305 327) the Hoare annotation is: false [2020-10-20 01:45:12,679 INFO L270 CegarLoopResult]: At program point L309-2(lines 305 327) the Hoare annotation is: false [2020-10-20 01:45:12,679 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-10-20 01:45:12,679 INFO L274 CegarLoopResult]: For program point L210-1(lines 210 214) no Hoare annotation was computed. [2020-10-20 01:45:12,679 INFO L274 CegarLoopResult]: For program point L492(lines 492 498) no Hoare annotation was computed. [2020-10-20 01:45:12,680 INFO L270 CegarLoopResult]: At program point L492-1(lines 492 498) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2020-10-20 01:45:12,680 INFO L274 CegarLoopResult]: For program point L130(lines 130 134) no Hoare annotation was computed. [2020-10-20 01:45:12,680 INFO L274 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-10-20 01:45:12,680 INFO L274 CegarLoopResult]: For program point L345(lines 345 353) no Hoare annotation was computed. [2020-10-20 01:45:12,680 INFO L274 CegarLoopResult]: For program point L345-1(lines 345 353) no Hoare annotation was computed. [2020-10-20 01:45:12,681 INFO L274 CegarLoopResult]: For program point L378-2(lines 378 384) no Hoare annotation was computed. [2020-10-20 01:45:12,681 INFO L274 CegarLoopResult]: For program point L345-2(lines 345 353) no Hoare annotation was computed. [2020-10-20 01:45:12,681 INFO L274 CegarLoopResult]: For program point L378-4(lines 378 384) no Hoare annotation was computed. [2020-10-20 01:45:12,681 INFO L274 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-10-20 01:45:12,681 INFO L274 CegarLoopResult]: For program point L461-2(lines 461 465) no Hoare annotation was computed. [2020-10-20 01:45:12,681 INFO L274 CegarLoopResult]: For program point L461-3(lines 461 465) no Hoare annotation was computed. [2020-10-20 01:45:12,682 INFO L274 CegarLoopResult]: For program point L461-5(lines 461 465) no Hoare annotation was computed. [2020-10-20 01:45:12,682 INFO L274 CegarLoopResult]: For program point L461-6(lines 461 465) no Hoare annotation was computed. [2020-10-20 01:45:12,682 INFO L274 CegarLoopResult]: For program point L461-8(lines 461 465) no Hoare annotation was computed. [2020-10-20 01:45:12,682 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,682 INFO L270 CegarLoopResult]: At program point L412(lines 407 415) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse2 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse7 .cse2) (and .cse1 .cse0 .cse6 .cse3 .cse2 .cse4))) [2020-10-20 01:45:12,683 INFO L270 CegarLoopResult]: At program point L412-1(lines 407 415) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1))) [2020-10-20 01:45:12,683 INFO L270 CegarLoopResult]: At program point L412-2(lines 407 415) the Hoare annotation is: false [2020-10-20 01:45:12,683 INFO L270 CegarLoopResult]: At program point L412-3(lines 407 415) the Hoare annotation is: false [2020-10-20 01:45:12,683 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,684 INFO L270 CegarLoopResult]: At program point L412-4(lines 407 415) the Hoare annotation is: false [2020-10-20 01:45:12,684 INFO L270 CegarLoopResult]: At program point L412-5(lines 407 415) the Hoare annotation is: false [2020-10-20 01:45:12,684 INFO L270 CegarLoopResult]: At program point L528(lines 481 529) the Hoare annotation is: false [2020-10-20 01:45:12,684 INFO L274 CegarLoopResult]: For program point L512(lines 512 523) no Hoare annotation was computed. [2020-10-20 01:45:12,685 INFO L270 CegarLoopResult]: At program point L925(lines 1 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,685 INFO L274 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-10-20 01:45:12,685 INFO L274 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-10-20 01:45:12,685 INFO L274 CegarLoopResult]: For program point L942-2(line 942) no Hoare annotation was computed. [2020-10-20 01:45:12,685 INFO L274 CegarLoopResult]: For program point L183(lines 183 189) no Hoare annotation was computed. [2020-10-20 01:45:12,686 INFO L274 CegarLoopResult]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2020-10-20 01:45:12,686 INFO L274 CegarLoopResult]: For program point L183-2(lines 183 189) no Hoare annotation was computed. [2020-10-20 01:45:12,686 INFO L270 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:12 BoogieIcfgContainer [2020-10-20 01:45:12,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:12,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:12,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:12,716 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:12,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:07" (3/4) ... [2020-10-20 01:45:12,720 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:12,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:12,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:12,741 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:12,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:12,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:12,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:12,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:12,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:12,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((1 == systemActive && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:12,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,856 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:12,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:12,858 INFO L168 Benchmark]: Toolchain (without parser) took 7046.56 ms. Allocated memory was 39.3 MB in the beginning and 86.5 MB in the end (delta: 47.2 MB). Free memory was 16.2 MB in the beginning and 30.8 MB in the end (delta: -14.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,858 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.85 ms. Allocated memory was 39.3 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Free memory was 15.2 MB in the beginning and 18.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.40 ms. Allocated memory is still 41.4 MB. Free memory was 18.2 MB in the beginning and 14.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,860 INFO L168 Benchmark]: Boogie Preprocessor took 85.33 ms. Allocated memory is still 41.4 MB. Free memory was 14.4 MB in the beginning and 11.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,860 INFO L168 Benchmark]: RCFGBuilder took 1000.98 ms. Allocated memory was 41.4 MB in the beginning and 47.2 MB in the end (delta: 5.8 MB). Free memory was 11.6 MB in the beginning and 24.5 MB in the end (delta: -12.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,861 INFO L168 Benchmark]: TraceAbstraction took 5010.19 ms. Allocated memory was 47.2 MB in the beginning and 86.5 MB in the end (delta: 39.3 MB). Free memory was 24.1 MB in the beginning and 42.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 47.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,861 INFO L168 Benchmark]: Witness Printer took 141.11 ms. Allocated memory is still 86.5 MB. Free memory was 42.3 MB in the beginning and 30.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 659.85 ms. Allocated memory was 39.3 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Free memory was 15.2 MB in the beginning and 18.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 137.40 ms. Allocated memory is still 41.4 MB. Free memory was 18.2 MB in the beginning and 14.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 85.33 ms. Allocated memory is still 41.4 MB. Free memory was 14.4 MB in the beginning and 11.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1000.98 ms. Allocated memory was 41.4 MB in the beginning and 47.2 MB in the end (delta: 5.8 MB). Free memory was 11.6 MB in the beginning and 24.5 MB in the end (delta: -12.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5010.19 ms. Allocated memory was 47.2 MB in the beginning and 86.5 MB in the end (delta: 39.3 MB). Free memory was 24.1 MB in the beginning and 42.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 47.7 MB. Max. memory is 14.3 GB. * Witness Printer took 141.11 ms. Allocated memory is still 86.5 MB. Free memory was 42.3 MB in the beginning and 30.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((1 == systemActive && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 99 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 827 SDtfs, 1002 SDslu, 1169 SDs, 0 SdLazy, 183 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 400 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 97 NumberOfFragments, 747 HoareAnnotationTreeSize, 43 FomulaSimplifications, 18872 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 43 FomulaSimplificationsInter, 956 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 29327 SizeOfPredicates, 4 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...