./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:56,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:56,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:56,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:56,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:56,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:56,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:56,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:56,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:56,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:56,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:56,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:56,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:56,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:56,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:56,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:56,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:56,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:56,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:56,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:56,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:56,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:56,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:56,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:56,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:56,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:56,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:56,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:56,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:56,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:56,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:56,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:56,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:56,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:56,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:56,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:56,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:56,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:56,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:56,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:56,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:56,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:56,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:56,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:56,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:56,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:56,572 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:56,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:56,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:56,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:56,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:56,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:56,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:56,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:56,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:56,575 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:56,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:56,576 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:56,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:56,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:56,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:56,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:56,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:56,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:56,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:56,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:56,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:56,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:56,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:56,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:56,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 [2019-11-19 21:22:56,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:56,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:56,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:56,931 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:56,931 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:56,932 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2019-11-19 21:22:56,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cc3c560/b3171674bd2a4278b0fc8db6d928b7a5/FLAG37154729b [2019-11-19 21:22:57,465 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:57,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2019-11-19 21:22:57,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cc3c560/b3171674bd2a4278b0fc8db6d928b7a5/FLAG37154729b [2019-11-19 21:22:57,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20cc3c560/b3171674bd2a4278b0fc8db6d928b7a5 [2019-11-19 21:22:57,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:57,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:57,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:57,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:57,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:57,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:57" (1/1) ... [2019-11-19 21:22:57,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10724550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:57, skipping insertion in model container [2019-11-19 21:22:57,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:57" (1/1) ... [2019-11-19 21:22:57,841 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:57,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:58,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:58,350 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:58,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:58,479 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:58,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58 WrapperNode [2019-11-19 21:22:58,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:58,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:58,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:58,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:58,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:58,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:58,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:58,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:58,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... [2019-11-19 21:22:58,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:58,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:58,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:58,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:58,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:59,478 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:59,478 INFO L285 CfgBuilder]: Removed 110 assume(true) statements. [2019-11-19 21:22:59,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:59 BoogieIcfgContainer [2019-11-19 21:22:59,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:59,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:59,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:59,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:59,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:57" (1/3) ... [2019-11-19 21:22:59,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5454446c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:59, skipping insertion in model container [2019-11-19 21:22:59,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:58" (2/3) ... [2019-11-19 21:22:59,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5454446c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:59, skipping insertion in model container [2019-11-19 21:22:59,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:59" (3/3) ... [2019-11-19 21:22:59,487 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2019-11-19 21:22:59,502 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:59,511 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:59,523 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:59,558 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:59,558 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:59,559 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:59,559 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:59,559 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:59,560 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:59,560 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:59,560 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-11-19 21:22:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:22:59,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:59,590 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:59,591 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:59,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:59,597 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2019-11-19 21:22:59,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:59,606 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982487585] [2019-11-19 21:22:59,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:59,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:59,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982487585] [2019-11-19 21:22:59,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:59,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:59,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78049221] [2019-11-19 21:22:59,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:59,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:59,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:59,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:59,898 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2019-11-19 21:22:59,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:59,927 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2019-11-19 21:22:59,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:59,929 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-19 21:22:59,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:59,941 INFO L225 Difference]: With dead ends: 167 [2019-11-19 21:22:59,941 INFO L226 Difference]: Without dead ends: 83 [2019-11-19 21:22:59,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:59,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-19 21:22:59,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-11-19 21:22:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-19 21:22:59,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2019-11-19 21:22:59,984 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2019-11-19 21:22:59,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:59,985 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2019-11-19 21:22:59,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-11-19 21:22:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 21:22:59,986 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:59,986 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:59,987 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:59,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:59,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2019-11-19 21:22:59,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:59,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753585685] [2019-11-19 21:22:59,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:00,104 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753585685] [2019-11-19 21:23:00,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:23:00,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:23:00,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819818059] [2019-11-19 21:23:00,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:23:00,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:00,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:23:00,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:23:00,106 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2019-11-19 21:23:00,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:00,118 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2019-11-19 21:23:00,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:23:00,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-19 21:23:00,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:00,120 INFO L225 Difference]: With dead ends: 83 [2019-11-19 21:23:00,120 INFO L226 Difference]: Without dead ends: 38 [2019-11-19 21:23:00,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:23:00,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-19 21:23:00,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-19 21:23:00,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-19 21:23:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2019-11-19 21:23:00,128 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2019-11-19 21:23:00,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:00,128 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-11-19 21:23:00,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:23:00,129 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2019-11-19 21:23:00,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 21:23:00,130 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:23:00,130 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:23:00,130 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:23:00,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:23:00,131 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2019-11-19 21:23:00,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:23:00,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648113244] [2019-11-19 21:23:00,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:00,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:00,286 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648113244] [2019-11-19 21:23:00,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:23:00,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:23:00,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9519113] [2019-11-19 21:23:00,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:23:00,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:00,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:23:00,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:23:00,291 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2019-11-19 21:23:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:00,306 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2019-11-19 21:23:00,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:23:00,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 21:23:00,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:00,312 INFO L225 Difference]: With dead ends: 69 [2019-11-19 21:23:00,314 INFO L226 Difference]: Without dead ends: 38 [2019-11-19 21:23:00,315 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:23:00,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-19 21:23:00,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-19 21:23:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-19 21:23:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2019-11-19 21:23:00,326 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2019-11-19 21:23:00,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:00,327 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2019-11-19 21:23:00,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:23:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2019-11-19 21:23:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 21:23:00,333 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:23:00,333 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:23:00,334 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:23:00,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:23:00,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2019-11-19 21:23:00,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:23:00,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282082351] [2019-11-19 21:23:00,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:00,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282082351] [2019-11-19 21:23:00,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:23:00,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:23:00,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774753120] [2019-11-19 21:23:00,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:23:00,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:00,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:23:00,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:23:00,404 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2019-11-19 21:23:00,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:00,457 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2019-11-19 21:23:00,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:23:00,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-19 21:23:00,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:00,462 INFO L225 Difference]: With dead ends: 93 [2019-11-19 21:23:00,462 INFO L226 Difference]: Without dead ends: 62 [2019-11-19 21:23:00,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:23:00,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-19 21:23:00,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-11-19 21:23:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-19 21:23:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-11-19 21:23:00,477 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2019-11-19 21:23:00,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:00,478 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-11-19 21:23:00,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:23:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-11-19 21:23:00,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:23:00,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:23:00,479 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:23:00,480 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:23:00,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:23:00,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2019-11-19 21:23:00,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:23:00,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245043907] [2019-11-19 21:23:00,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:00,576 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245043907] [2019-11-19 21:23:00,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:23:00,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:23:00,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013222199] [2019-11-19 21:23:00,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:23:00,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:00,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:23:00,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:23:00,578 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2019-11-19 21:23:00,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:00,662 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2019-11-19 21:23:00,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:23:00,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:23:00,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:00,664 INFO L225 Difference]: With dead ends: 157 [2019-11-19 21:23:00,664 INFO L226 Difference]: Without dead ends: 104 [2019-11-19 21:23:00,668 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:23:00,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-11-19 21:23:00,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2019-11-19 21:23:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-19 21:23:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2019-11-19 21:23:00,687 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2019-11-19 21:23:00,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:00,688 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2019-11-19 21:23:00,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:23:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2019-11-19 21:23:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:23:00,689 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:23:00,690 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:23:00,691 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:23:00,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:23:00,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2019-11-19 21:23:00,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:23:00,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217138160] [2019-11-19 21:23:00,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:00,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217138160] [2019-11-19 21:23:00,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:23:00,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:23:00,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194121550] [2019-11-19 21:23:00,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:23:00,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:00,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:23:00,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:23:00,805 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2019-11-19 21:23:00,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:00,933 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2019-11-19 21:23:00,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:23:00,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:23:00,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:00,936 INFO L225 Difference]: With dead ends: 216 [2019-11-19 21:23:00,936 INFO L226 Difference]: Without dead ends: 160 [2019-11-19 21:23:00,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:23:00,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-19 21:23:00,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-11-19 21:23:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-19 21:23:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2019-11-19 21:23:00,949 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2019-11-19 21:23:00,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:00,949 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2019-11-19 21:23:00,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:23:00,950 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2019-11-19 21:23:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:23:00,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:23:00,951 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:23:00,952 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:23:00,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:23:00,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2019-11-19 21:23:00,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:23:00,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188136212] [2019-11-19 21:23:00,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:01,010 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188136212] [2019-11-19 21:23:01,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:23:01,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:23:01,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425848406] [2019-11-19 21:23:01,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:23:01,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:01,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:23:01,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:23:01,013 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2019-11-19 21:23:01,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:01,071 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2019-11-19 21:23:01,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:23:01,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:23:01,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:01,073 INFO L225 Difference]: With dead ends: 164 [2019-11-19 21:23:01,073 INFO L226 Difference]: Without dead ends: 109 [2019-11-19 21:23:01,074 INFO L630 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 [2019-11-19 21:23:01,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-19 21:23:01,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2019-11-19 21:23:01,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-19 21:23:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2019-11-19 21:23:01,084 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2019-11-19 21:23:01,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:01,084 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2019-11-19 21:23:01,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:23:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-11-19 21:23:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:23:01,086 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:23:01,086 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:23:01,086 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:23:01,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:23:01,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2019-11-19 21:23:01,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:23:01,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183411948] [2019-11-19 21:23:01,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:01,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183411948] [2019-11-19 21:23:01,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:23:01,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:23:01,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28170848] [2019-11-19 21:23:01,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:23:01,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:01,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:23:01,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:23:01,143 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2019-11-19 21:23:01,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:01,174 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2019-11-19 21:23:01,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:23:01,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-19 21:23:01,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:01,176 INFO L225 Difference]: With dead ends: 148 [2019-11-19 21:23:01,176 INFO L226 Difference]: Without dead ends: 91 [2019-11-19 21:23:01,177 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:23:01,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-19 21:23:01,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-11-19 21:23:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-19 21:23:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2019-11-19 21:23:01,192 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2019-11-19 21:23:01,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:01,193 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2019-11-19 21:23:01,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:23:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2019-11-19 21:23:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 21:23:01,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:23:01,195 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:23:01,196 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:23:01,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:23:01,196 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2019-11-19 21:23:01,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:23:01,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225813290] [2019-11-19 21:23:01,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:01,319 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225813290] [2019-11-19 21:23:01,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:23:01,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 21:23:01,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668136804] [2019-11-19 21:23:01,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:23:01,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:01,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:23:01,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:23:01,322 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2019-11-19 21:23:01,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:01,538 INFO L93 Difference]: Finished difference Result 327 states and 441 transitions. [2019-11-19 21:23:01,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:23:01,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-19 21:23:01,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:01,542 INFO L225 Difference]: With dead ends: 327 [2019-11-19 21:23:01,542 INFO L226 Difference]: Without dead ends: 270 [2019-11-19 21:23:01,543 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-19 21:23:01,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-11-19 21:23:01,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 132. [2019-11-19 21:23:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-19 21:23:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2019-11-19 21:23:01,568 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 34 [2019-11-19 21:23:01,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:01,568 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2019-11-19 21:23:01,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:23:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2019-11-19 21:23:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:23:01,572 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:23:01,573 INFO L410 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] [2019-11-19 21:23:01,573 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:23:01,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:23:01,573 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2019-11-19 21:23:01,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:23:01,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089995803] [2019-11-19 21:23:01,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:23:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:01,656 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089995803] [2019-11-19 21:23:01,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911116046] [2019-11-19 21:23:01,657 INFO L94 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 [2019-11-19 21:23:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:23:01,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 21:23:01,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:23:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:23:01,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 21:23:01,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-19 21:23:01,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889834126] [2019-11-19 21:23:01,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 21:23:01,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:23:01,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 21:23:01,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:23:01,917 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand 8 states. [2019-11-19 21:23:02,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:23:02,126 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2019-11-19 21:23:02,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:23:02,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-19 21:23:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:23:02,127 INFO L225 Difference]: With dead ends: 236 [2019-11-19 21:23:02,127 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:23:02,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-19 21:23:02,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:23:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:23:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:23:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:23:02,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-19 21:23:02,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:23:02,132 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:23:02,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 21:23:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:23:02,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:23:02,338 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:23:02,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:23:02,820 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-11-19 21:23:02,932 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-11-19 21:23:03,060 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2019-11-19 21:23:03,292 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-11-19 21:23:03,582 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-11-19 21:23:03,768 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-11-19 21:23:03,940 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2019-11-19 21:23:04,002 INFO L440 ceAbstractionStarter]: At program point L580-3(lines 575 583) the Hoare annotation is: false [2019-11-19 21:23:04,002 INFO L440 ceAbstractionStarter]: At program point L580-4(lines 575 583) the Hoare annotation is: false [2019-11-19 21:23:04,003 INFO L440 ceAbstractionStarter]: At program point L580-5(lines 575 583) the Hoare annotation is: false [2019-11-19 21:23:04,006 INFO L440 ceAbstractionStarter]: At program point L861(lines 856 864) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse3)))) [2019-11-19 21:23:04,006 INFO L440 ceAbstractionStarter]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2019-11-19 21:23:04,007 INFO L440 ceAbstractionStarter]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2019-11-19 21:23:04,007 INFO L444 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2019-11-19 21:23:04,007 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-19 21:23:04,007 INFO L447 ceAbstractionStarter]: At program point L762-1(lines 762 769) the Hoare annotation is: true [2019-11-19 21:23:04,007 INFO L444 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2019-11-19 21:23:04,007 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 531 539) no Hoare annotation was computed. [2019-11-19 21:23:04,007 INFO L444 ceAbstractionStarter]: For program point L531-2(lines 531 539) no Hoare annotation was computed. [2019-11-19 21:23:04,007 INFO L444 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2019-11-19 21:23:04,008 INFO L444 ceAbstractionStarter]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2019-11-19 21:23:04,008 INFO L444 ceAbstractionStarter]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2019-11-19 21:23:04,008 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:23:04,008 INFO L440 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: false [2019-11-19 21:23:04,008 INFO L444 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2019-11-19 21:23:04,008 INFO L444 ceAbstractionStarter]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2019-11-19 21:23:04,008 INFO L444 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2019-11-19 21:23:04,008 INFO L444 ceAbstractionStarter]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2019-11-19 21:23:04,009 INFO L444 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2019-11-19 21:23:04,009 INFO L444 ceAbstractionStarter]: For program point L780-2(line 780) no Hoare annotation was computed. [2019-11-19 21:23:04,009 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-11-19 21:23:04,009 INFO L440 ceAbstractionStarter]: At program point L896(lines 495 501) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-11-19 21:23:04,009 INFO L440 ceAbstractionStarter]: At program point L896-1(lines 495 501) the Hoare annotation is: false [2019-11-19 21:23:04,009 INFO L440 ceAbstractionStarter]: At program point L896-2(lines 495 501) the Hoare annotation is: false [2019-11-19 21:23:04,010 INFO L440 ceAbstractionStarter]: At program point L665(lines 1 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:23:04,011 INFO L440 ceAbstractionStarter]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2019-11-19 21:23:04,011 INFO L440 ceAbstractionStarter]: At program point L502-1(lines 502 508) the Hoare annotation is: false [2019-11-19 21:23:04,011 INFO L440 ceAbstractionStarter]: At program point L502-2(lines 502 508) the Hoare annotation is: false [2019-11-19 21:23:04,011 INFO L444 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2019-11-19 21:23:04,012 INFO L440 ceAbstractionStarter]: At program point L635(lines 620 638) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3))) [2019-11-19 21:23:04,012 INFO L440 ceAbstractionStarter]: At program point L635-1(lines 620 638) the Hoare annotation is: false [2019-11-19 21:23:04,012 INFO L440 ceAbstractionStarter]: At program point L635-2(lines 620 638) the Hoare annotation is: false [2019-11-19 21:23:04,012 INFO L444 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-11-19 21:23:04,012 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:23:04,012 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-19 21:23:04,013 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-19 21:23:04,014 INFO L444 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-11-19 21:23:04,014 INFO L444 ceAbstractionStarter]: For program point L456-2(lines 450 461) no Hoare annotation was computed. [2019-11-19 21:23:04,014 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2019-11-19 21:23:04,015 INFO L444 ceAbstractionStarter]: For program point L869-1(lines 869 875) no Hoare annotation was computed. [2019-11-19 21:23:04,015 INFO L444 ceAbstractionStarter]: For program point L869-2(lines 869 875) no Hoare annotation was computed. [2019-11-19 21:23:04,015 INFO L440 ceAbstractionStarter]: At program point L737(lines 733 739) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:23:04,015 INFO L444 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-11-19 21:23:04,015 INFO L440 ceAbstractionStarter]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse1))) [2019-11-19 21:23:04,015 INFO L440 ceAbstractionStarter]: At program point L886(lines 881 888) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:23:04,016 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 808) no Hoare annotation was computed. [2019-11-19 21:23:04,016 INFO L447 ceAbstractionStarter]: At program point L771(lines 752 774) the Hoare annotation is: true [2019-11-19 21:23:04,016 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:23:04,016 INFO L440 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: false [2019-11-19 21:23:04,016 INFO L440 ceAbstractionStarter]: At program point L673(lines 668 676) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:23:04,016 INFO L444 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-11-19 21:23:04,016 INFO L444 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2019-11-19 21:23:04,016 INFO L444 ceAbstractionStarter]: For program point L527-1(lines 527 544) no Hoare annotation was computed. [2019-11-19 21:23:04,018 INFO L444 ceAbstractionStarter]: For program point L527-2(lines 527 544) no Hoare annotation was computed. [2019-11-19 21:23:04,018 INFO L444 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2019-11-19 21:23:04,018 INFO L440 ceAbstractionStarter]: At program point L874(lines 865 878) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3))) [2019-11-19 21:23:04,019 INFO L440 ceAbstractionStarter]: At program point L907-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)))) [2019-11-19 21:23:04,019 INFO L440 ceAbstractionStarter]: At program point L874-1(lines 865 878) the Hoare annotation is: false [2019-11-19 21:23:04,019 INFO L444 ceAbstractionStarter]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2019-11-19 21:23:04,019 INFO L440 ceAbstractionStarter]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2019-11-19 21:23:04,019 INFO L440 ceAbstractionStarter]: At program point L874-2(lines 865 878) the Hoare annotation is: false [2019-11-19 21:23:04,019 INFO L444 ceAbstractionStarter]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2019-11-19 21:23:04,019 INFO L440 ceAbstractionStarter]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2019-11-19 21:23:04,019 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:23:04,020 INFO L444 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2019-11-19 21:23:04,020 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-11-19 21:23:04,020 INFO L444 ceAbstractionStarter]: For program point L792-3(lines 792 796) no Hoare annotation was computed. [2019-11-19 21:23:04,020 INFO L444 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-11-19 21:23:04,020 INFO L444 ceAbstractionStarter]: For program point L693-1(lines 693 697) no Hoare annotation was computed. [2019-11-19 21:23:04,021 INFO L444 ceAbstractionStarter]: For program point L792-6(lines 792 796) no Hoare annotation was computed. [2019-11-19 21:23:04,022 INFO L440 ceAbstractionStarter]: At program point L495(lines 491 513) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and (and .cse0 (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-11-19 21:23:04,022 INFO L440 ceAbstractionStarter]: At program point L495-1(lines 491 513) the Hoare annotation is: false [2019-11-19 21:23:04,022 INFO L440 ceAbstractionStarter]: At program point L495-2(lines 491 513) the Hoare annotation is: false [2019-11-19 21:23:04,022 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-11-19 21:23:04,022 INFO L440 ceAbstractionStarter]: At program point L430-1(lines 430 436) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse1))) [2019-11-19 21:23:04,023 INFO L444 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:23:04,023 INFO L444 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:23:04,023 INFO L444 ceAbstractionStarter]: For program point L629-3(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:23:04,023 INFO L444 ceAbstractionStarter]: For program point L629-5(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:23:04,023 INFO L444 ceAbstractionStarter]: For program point L629-6(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:23:04,023 INFO L444 ceAbstractionStarter]: For program point L629-8(lines 629 633) no Hoare annotation was computed. [2019-11-19 21:23:04,024 INFO L440 ceAbstractionStarter]: At program point L580(lines 575 583) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4) .cse1) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-19 21:23:04,025 INFO L440 ceAbstractionStarter]: At program point L580-1(lines 575 583) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= 0 ULTIMATE.start_processEnvironment_~tmp~4) (= ~pumpRunning~0 0) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-19 21:23:04,026 INFO L440 ceAbstractionStarter]: At program point L580-2(lines 575 583) the Hoare annotation is: false [2019-11-19 21:23:04,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:23:04 BoogieIcfgContainer [2019-11-19 21:23:04,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:23:04,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:23:04,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:23:04,074 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:23:04,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:59" (3/4) ... [2019-11-19 21:23:04,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:23:04,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:23:04,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:23:04,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:23:04,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:23:04,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:23:04,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:23:04,157 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) [2019-11-19 21:23:04,158 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:23:04,158 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:23:04,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 21:23:04,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 21:23:04,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-19 21:23:04,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 21:23:04,160 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:23:04,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:23:04,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-19 21:23:04,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:23:04,232 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:23:04,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:23:04,234 INFO L168 Benchmark]: Toolchain (without parser) took 6407.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 961.7 MB in the beginning and 903.2 MB in the end (delta: 58.5 MB). Peak memory consumption was 234.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:04,234 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:23:04,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -99.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:04,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:04,236 INFO L168 Benchmark]: Boogie Preprocessor took 50.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:23:04,236 INFO L168 Benchmark]: RCFGBuilder took 871.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.6 MB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:04,237 INFO L168 Benchmark]: TraceAbstraction took 4592.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.4 MB). Free memory was 994.6 MB in the beginning and 911.5 MB in the end (delta: 83.0 MB). Peak memory consumption was 177.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:04,237 INFO L168 Benchmark]: Witness Printer took 158.90 ms. Allocated memory is still 1.2 GB. Free memory was 911.5 MB in the beginning and 903.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:04,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 652.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -99.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 871.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.6 MB in the end (delta: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4592.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.4 MB). Free memory was 994.6 MB in the beginning and 911.5 MB in the end (delta: 83.0 MB). Peak memory consumption was 177.4 MB. Max. memory is 11.5 GB. * Witness Printer took 158.90 ms. Allocated memory is still 1.2 GB. Free memory was 911.5 MB in the beginning and 903.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: 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: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 2 <= tmp) && 0 == splverifierCounter) && tmp <= 2) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, HoareTripleCheckerStatistics: 765 SDtfs, 844 SDslu, 1043 SDs, 0 SdLazy, 176 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred 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, 324 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 91 NumberOfFragments, 576 HoareAnnotationTreeSize, 37 FomulaSimplifications, 21654 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 37 FomulaSimplificationsInter, 4636 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 25715 SizeOfPredicates, 4 NumberOfNonLiveVariables, 397 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...