./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product23.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_spec4_product23.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 87504a1abfe2d10f353d562b38ba2c6a9363e65c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:22:45,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:45,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:45,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:45,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:45,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:45,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:45,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:45,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:45,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:45,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:45,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:45,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:45,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:45,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:45,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:45,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:45,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:45,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:45,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:45,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:45,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:45,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:45,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:45,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:45,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:45,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:45,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:45,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:45,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:45,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:45,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:45,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:45,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:45,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:45,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:45,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:45,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:45,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:45,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:45,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:45,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:45,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:45,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:45,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:45,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:45,508 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:45,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:45,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:45,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:45,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:45,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:45,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:45,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:45,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:45,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:45,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:45,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:45,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:45,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:45,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:45,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:45,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:45,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:45,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:45,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:45,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:45,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:45,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:45,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:45,514 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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2019-11-19 21:22:45,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:45,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:45,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:45,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:45,837 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:45,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2019-11-19 21:22:45,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61662e2b5/0c83fc3c9e7c41e1b8d12960af729f44/FLAG43397cd08 [2019-11-19 21:22:46,456 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:46,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2019-11-19 21:22:46,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61662e2b5/0c83fc3c9e7c41e1b8d12960af729f44/FLAG43397cd08 [2019-11-19 21:22:46,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61662e2b5/0c83fc3c9e7c41e1b8d12960af729f44 [2019-11-19 21:22:46,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:46,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:46,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:46,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:46,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:46,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:46" (1/1) ... [2019-11-19 21:22:46,778 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 09:22:46, skipping insertion in model container [2019-11-19 21:22:46,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:46" (1/1) ... [2019-11-19 21:22:46,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:46,843 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:47,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:47,304 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:47,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:47,423 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:47,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47 WrapperNode [2019-11-19 21:22:47,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:47,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:47,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:47,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:47,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:47,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:47,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:47,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:47,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (1/1) ... [2019-11-19 21:22:47,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:47,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:47,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:47,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:47,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (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 21:22:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:47,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:47,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:48,543 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:48,543 INFO L285 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-19 21:22:48,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:48 BoogieIcfgContainer [2019-11-19 21:22:48,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:48,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:48,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:48,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:48,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:46" (1/3) ... [2019-11-19 21:22:48,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35600c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:48, skipping insertion in model container [2019-11-19 21:22:48,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:47" (2/3) ... [2019-11-19 21:22:48,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35600c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:48, skipping insertion in model container [2019-11-19 21:22:48,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:48" (3/3) ... [2019-11-19 21:22:48,555 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-11-19 21:22:48,566 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:48,574 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:48,587 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:48,615 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:48,615 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:48,615 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:48,616 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:48,616 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:48,616 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:48,616 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:48,617 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-19 21:22:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 21:22:48,644 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:48,645 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:48,645 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:48,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:48,652 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2019-11-19 21:22:48,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:48,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412206832] [2019-11-19 21:22:48,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:48,956 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 21:22:48,957 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412206832] [2019-11-19 21:22:48,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:48,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:48,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411410766] [2019-11-19 21:22:48,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:48,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:48,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:48,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:48,986 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-11-19 21:22:49,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:49,050 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-11-19 21:22:49,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:49,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-19 21:22:49,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:49,070 INFO L225 Difference]: With dead ends: 208 [2019-11-19 21:22:49,071 INFO L226 Difference]: Without dead ends: 103 [2019-11-19 21:22:49,078 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 21:22:49,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-19 21:22:49,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-11-19 21:22:49,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-19 21:22:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-11-19 21:22:49,143 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-11-19 21:22:49,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:49,144 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-11-19 21:22:49,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-11-19 21:22:49,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:22:49,149 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:49,149 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:49,150 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:49,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:49,150 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2019-11-19 21:22:49,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:49,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099018090] [2019-11-19 21:22:49,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:49,320 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 21:22:49,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099018090] [2019-11-19 21:22:49,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:49,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:49,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700421512] [2019-11-19 21:22:49,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:49,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:49,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:49,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:49,325 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-11-19 21:22:49,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:49,344 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-11-19 21:22:49,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:49,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-19 21:22:49,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:49,347 INFO L225 Difference]: With dead ends: 103 [2019-11-19 21:22:49,347 INFO L226 Difference]: Without dead ends: 45 [2019-11-19 21:22:49,349 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 21:22:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-19 21:22:49,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-19 21:22:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-19 21:22:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-11-19 21:22:49,364 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-11-19 21:22:49,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:49,364 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-11-19 21:22:49,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-11-19 21:22:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:22:49,367 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:49,367 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:49,367 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:49,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:49,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2019-11-19 21:22:49,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:49,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288367882] [2019-11-19 21:22:49,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:49,508 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 21:22:49,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288367882] [2019-11-19 21:22:49,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:49,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:49,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872268467] [2019-11-19 21:22:49,510 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:49,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:49,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:49,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:49,511 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2019-11-19 21:22:49,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:49,675 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2019-11-19 21:22:49,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:49,676 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-19 21:22:49,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:49,677 INFO L225 Difference]: With dead ends: 146 [2019-11-19 21:22:49,677 INFO L226 Difference]: Without dead ends: 107 [2019-11-19 21:22:49,678 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-19 21:22:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2019-11-19 21:22:49,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-19 21:22:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-11-19 21:22:49,690 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-11-19 21:22:49,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:49,690 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-11-19 21:22:49,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-11-19 21:22:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:49,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:49,692 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:49,692 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:49,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:49,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2019-11-19 21:22:49,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:49,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244454785] [2019-11-19 21:22:49,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:49,795 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 21:22:49,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244454785] [2019-11-19 21:22:49,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:49,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 21:22:49,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870227733] [2019-11-19 21:22:49,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 21:22:49,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:49,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 21:22:49,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:49,798 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 8 states. [2019-11-19 21:22:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:50,163 INFO L93 Difference]: Finished difference Result 425 states and 651 transitions. [2019-11-19 21:22:50,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-19 21:22:50,164 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-19 21:22:50,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:50,168 INFO L225 Difference]: With dead ends: 425 [2019-11-19 21:22:50,168 INFO L226 Difference]: Without dead ends: 367 [2019-11-19 21:22:50,169 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-19 21:22:50,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-11-19 21:22:50,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 166. [2019-11-19 21:22:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-11-19 21:22:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2019-11-19 21:22:50,193 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2019-11-19 21:22:50,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:50,194 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2019-11-19 21:22:50,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 21:22:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2019-11-19 21:22:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 21:22:50,196 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:50,199 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] [2019-11-19 21:22:50,199 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:50,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:50,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1375176786, now seen corresponding path program 1 times [2019-11-19 21:22:50,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:50,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795211691] [2019-11-19 21:22:50,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:50,294 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 21:22:50,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795211691] [2019-11-19 21:22:50,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:50,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:50,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416428164] [2019-11-19 21:22:50,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:50,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:50,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:50,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:50,297 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand 3 states. [2019-11-19 21:22:50,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:50,322 INFO L93 Difference]: Finished difference Result 278 states and 406 transitions. [2019-11-19 21:22:50,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:50,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-19 21:22:50,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:50,324 INFO L225 Difference]: With dead ends: 278 [2019-11-19 21:22:50,324 INFO L226 Difference]: Without dead ends: 118 [2019-11-19 21:22:50,329 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 21:22:50,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-19 21:22:50,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-11-19 21:22:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-19 21:22:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2019-11-19 21:22:50,347 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 25 [2019-11-19 21:22:50,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:50,348 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2019-11-19 21:22:50,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2019-11-19 21:22:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 21:22:50,353 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:50,353 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] [2019-11-19 21:22:50,353 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:50,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:50,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1574439088, now seen corresponding path program 1 times [2019-11-19 21:22:50,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:50,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253381244] [2019-11-19 21:22:50,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 21:22:50,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253381244] [2019-11-19 21:22:50,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:50,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:50,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668132143] [2019-11-19 21:22:50,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:50,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:50,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:50,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:50,452 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand 5 states. [2019-11-19 21:22:50,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:50,514 INFO L93 Difference]: Finished difference Result 242 states and 328 transitions. [2019-11-19 21:22:50,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:50,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-11-19 21:22:50,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:50,515 INFO L225 Difference]: With dead ends: 242 [2019-11-19 21:22:50,515 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:50,516 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 21:22:50,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:50,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:50,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2019-11-19 21:22:50,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:50,518 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:50,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:50,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:50,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:50,841 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:50,842 INFO L444 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2019-11-19 21:22:50,842 INFO L444 ceAbstractionStarter]: For program point L663-1(lines 663 680) no Hoare annotation was computed. [2019-11-19 21:22:50,842 INFO L444 ceAbstractionStarter]: For program point L663-2(lines 663 680) no Hoare annotation was computed. [2019-11-19 21:22:50,842 INFO L444 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-11-19 21:22:50,842 INFO L444 ceAbstractionStarter]: For program point L663-3(lines 663 680) no Hoare annotation was computed. [2019-11-19 21:22:50,849 INFO L444 ceAbstractionStarter]: For program point L663-4(lines 663 680) no Hoare annotation was computed. [2019-11-19 21:22:50,849 INFO L444 ceAbstractionStarter]: For program point L663-5(lines 663 680) no Hoare annotation was computed. [2019-11-19 21:22:50,849 INFO L440 ceAbstractionStarter]: At program point L465(lines 460 468) the Hoare annotation is: false [2019-11-19 21:22:50,850 INFO L440 ceAbstractionStarter]: At program point L465-1(lines 460 468) the Hoare annotation is: false [2019-11-19 21:22:50,850 INFO L440 ceAbstractionStarter]: At program point L465-2(lines 460 468) the Hoare annotation is: false [2019-11-19 21:22:50,850 INFO L444 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-11-19 21:22:50,850 INFO L444 ceAbstractionStarter]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2019-11-19 21:22:50,850 INFO L444 ceAbstractionStarter]: For program point L829-4(lines 829 835) no Hoare annotation was computed. [2019-11-19 21:22:50,851 INFO L440 ceAbstractionStarter]: At program point L631(lines 630 649) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,851 INFO L444 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2019-11-19 21:22:50,851 INFO L444 ceAbstractionStarter]: For program point L631-1(lines 631 637) no Hoare annotation was computed. [2019-11-19 21:22:50,851 INFO L440 ceAbstractionStarter]: At program point L598-1(lines 631 637) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,851 INFO L440 ceAbstractionStarter]: At program point L631-2(lines 630 649) the Hoare annotation is: false [2019-11-19 21:22:50,851 INFO L440 ceAbstractionStarter]: At program point L631-3(lines 630 649) the Hoare annotation is: false [2019-11-19 21:22:50,852 INFO L440 ceAbstractionStarter]: At program point L797(lines 782 800) the Hoare annotation is: false [2019-11-19 21:22:50,854 INFO L440 ceAbstractionStarter]: At program point L797-1(lines 782 800) the Hoare annotation is: false [2019-11-19 21:22:50,854 INFO L440 ceAbstractionStarter]: At program point L797-2(lines 782 800) the Hoare annotation is: false [2019-11-19 21:22:50,854 INFO L440 ceAbstractionStarter]: At program point L797-3(lines 782 800) the Hoare annotation is: false [2019-11-19 21:22:50,854 INFO L440 ceAbstractionStarter]: At program point L797-4(lines 782 800) the Hoare annotation is: false [2019-11-19 21:22:50,855 INFO L440 ceAbstractionStarter]: At program point L797-5(lines 782 800) the Hoare annotation is: false [2019-11-19 21:22:50,855 INFO L440 ceAbstractionStarter]: At program point L733(lines 726 736) the Hoare annotation is: false [2019-11-19 21:22:50,855 INFO L440 ceAbstractionStarter]: At program point L733-1(lines 726 736) the Hoare annotation is: false [2019-11-19 21:22:50,855 INFO L444 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2019-11-19 21:22:50,856 INFO L440 ceAbstractionStarter]: At program point L733-2(lines 726 736) the Hoare annotation is: false [2019-11-19 21:22:50,856 INFO L444 ceAbstractionStarter]: For program point L667-1(lines 667 675) no Hoare annotation was computed. [2019-11-19 21:22:50,856 INFO L444 ceAbstractionStarter]: For program point L667-2(lines 667 675) no Hoare annotation was computed. [2019-11-19 21:22:50,856 INFO L444 ceAbstractionStarter]: For program point L667-3(lines 667 675) no Hoare annotation was computed. [2019-11-19 21:22:50,856 INFO L444 ceAbstractionStarter]: For program point L667-4(lines 667 675) no Hoare annotation was computed. [2019-11-19 21:22:50,856 INFO L444 ceAbstractionStarter]: For program point L667-5(lines 667 675) no Hoare annotation was computed. [2019-11-19 21:22:50,859 INFO L440 ceAbstractionStarter]: At program point L536(lines 1 937) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:50,859 INFO L447 ceAbstractionStarter]: At program point L934(lines 915 937) the Hoare annotation is: true [2019-11-19 21:22:50,859 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:50,860 INFO L440 ceAbstractionStarter]: At program point L902(lines 898 904) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-19 21:22:50,860 INFO L440 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,860 INFO L440 ceAbstractionStarter]: At program point L638-1(lines 638 644) the Hoare annotation is: false [2019-11-19 21:22:50,860 INFO L444 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2019-11-19 21:22:50,860 INFO L440 ceAbstractionStarter]: At program point L638-2(lines 638 644) the Hoare annotation is: false [2019-11-19 21:22:50,863 INFO L440 ceAbstractionStarter]: At program point L572-1(lines 572 578) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,863 INFO L440 ceAbstractionStarter]: At program point L506(lines 501 509) the Hoare annotation is: false [2019-11-19 21:22:50,863 INFO L440 ceAbstractionStarter]: At program point L506-1(lines 501 509) the Hoare annotation is: false [2019-11-19 21:22:50,863 INFO L444 ceAbstractionStarter]: For program point L440(lines 440 444) no Hoare annotation was computed. [2019-11-19 21:22:50,864 INFO L440 ceAbstractionStarter]: At program point L506-2(lines 501 509) the Hoare annotation is: false [2019-11-19 21:22:50,864 INFO L440 ceAbstractionStarter]: At program point L506-3(lines 501 509) the Hoare annotation is: false [2019-11-19 21:22:50,864 INFO L440 ceAbstractionStarter]: At program point L506-4(lines 501 509) the Hoare annotation is: false [2019-11-19 21:22:50,864 INFO L440 ceAbstractionStarter]: At program point L506-5(lines 501 509) the Hoare annotation is: false [2019-11-19 21:22:50,864 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-19 21:22:50,864 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-19 21:22:50,864 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-19 21:22:50,865 INFO L444 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-11-19 21:22:50,865 INFO L440 ceAbstractionStarter]: At program point L805-1(lines 805 811) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,865 INFO L440 ceAbstractionStarter]: At program point L742(lines 737 745) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,865 INFO L440 ceAbstractionStarter]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2019-11-19 21:22:50,865 INFO L440 ceAbstractionStarter]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2019-11-19 21:22:50,869 INFO L440 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: false [2019-11-19 21:22:50,869 INFO L440 ceAbstractionStarter]: At program point L544(lines 539 547) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:50,869 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:22:50,869 INFO L444 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-11-19 21:22:50,870 INFO L440 ceAbstractionStarter]: At program point L582-1(lines 582 588) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,870 INFO L444 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-11-19 21:22:50,870 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:22:50,870 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:22:50,870 INFO L440 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: false [2019-11-19 21:22:50,870 INFO L444 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2019-11-19 21:22:50,871 INFO L444 ceAbstractionStarter]: For program point L689-1(lines 689 706) no Hoare annotation was computed. [2019-11-19 21:22:50,871 INFO L444 ceAbstractionStarter]: For program point L689-2(lines 689 706) no Hoare annotation was computed. [2019-11-19 21:22:50,871 INFO L444 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-11-19 21:22:50,871 INFO L444 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2019-11-19 21:22:50,871 INFO L444 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,871 INFO L444 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,872 INFO L444 ceAbstractionStarter]: For program point L791-3(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,877 INFO L444 ceAbstractionStarter]: For program point L791-5(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,878 INFO L444 ceAbstractionStarter]: For program point L791-6(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,878 INFO L444 ceAbstractionStarter]: For program point L791-8(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,879 INFO L444 ceAbstractionStarter]: For program point L791-9(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,879 INFO L444 ceAbstractionStarter]: For program point L428(lines 428 432) no Hoare annotation was computed. [2019-11-19 21:22:50,879 INFO L444 ceAbstractionStarter]: For program point L791-11(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,879 INFO L444 ceAbstractionStarter]: For program point L791-12(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,879 INFO L444 ceAbstractionStarter]: For program point L428-3(lines 428 432) no Hoare annotation was computed. [2019-11-19 21:22:50,879 INFO L444 ceAbstractionStarter]: For program point L791-14(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,879 INFO L444 ceAbstractionStarter]: For program point L791-15(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,880 INFO L444 ceAbstractionStarter]: For program point L428-6(lines 428 432) no Hoare annotation was computed. [2019-11-19 21:22:50,880 INFO L444 ceAbstractionStarter]: For program point L791-17(lines 791 795) no Hoare annotation was computed. [2019-11-19 21:22:50,880 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:22:50,880 INFO L444 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2019-11-19 21:22:50,880 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-11-19 21:22:50,880 INFO L444 ceAbstractionStarter]: For program point L858-1(lines 631 637) no Hoare annotation was computed. [2019-11-19 21:22:50,881 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:50,881 INFO L440 ceAbstractionStarter]: At program point L825-1(lines 1 937) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,881 INFO L444 ceAbstractionStarter]: For program point L825-2(lines 825 838) no Hoare annotation was computed. [2019-11-19 21:22:50,881 INFO L440 ceAbstractionStarter]: At program point L825-3(lines 1 937) the Hoare annotation is: false [2019-11-19 21:22:50,881 INFO L444 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2019-11-19 21:22:50,881 INFO L444 ceAbstractionStarter]: For program point L825-4(lines 825 838) no Hoare annotation was computed. [2019-11-19 21:22:50,882 INFO L444 ceAbstractionStarter]: For program point L693-1(lines 693 701) no Hoare annotation was computed. [2019-11-19 21:22:50,882 INFO L440 ceAbstractionStarter]: At program point L825-5(lines 1 937) the Hoare annotation is: false [2019-11-19 21:22:50,882 INFO L444 ceAbstractionStarter]: For program point L693-2(lines 693 701) no Hoare annotation was computed. [2019-11-19 21:22:50,882 INFO L444 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-11-19 21:22:50,882 INFO L447 ceAbstractionStarter]: At program point L925-1(lines 925 932) the Hoare annotation is: true [2019-11-19 21:22:50,882 INFO L444 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2019-11-19 21:22:50,883 INFO L440 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:50,883 INFO L440 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-11-19 21:22:50,883 INFO L440 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-11-19 21:22:50,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:50 BoogieIcfgContainer [2019-11-19 21:22:50,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:50,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:50,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:50,928 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:50,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:48" (3/4) ... [2019-11-19 21:22:50,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:22:50,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:22:50,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:22:50,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:22:50,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:22:50,976 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:22:50,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:22:51,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-19 21:22:51,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-19 21:22:51,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,163 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:51,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:51,165 INFO L168 Benchmark]: Toolchain (without parser) took 4396.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.7 MB in the beginning and 832.1 MB in the end (delta: 129.6 MB). Peak memory consumption was 270.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:51,165 INFO L168 Benchmark]: CDTParser took 0.29 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 21:22:51,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:51,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:51,167 INFO L168 Benchmark]: Boogie Preprocessor took 47.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:51,169 INFO L168 Benchmark]: RCFGBuilder took 975.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:51,169 INFO L168 Benchmark]: TraceAbstraction took 2380.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 845.6 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:51,169 INFO L168 Benchmark]: Witness Printer took 235.04 ms. Allocated memory is still 1.2 GB. Free memory was 845.6 MB in the beginning and 832.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:51,174 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 655.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -160.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 975.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2380.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 845.6 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. * Witness Printer took 235.04 ms. Allocated memory is still 1.2 GB. Free memory was 845.6 MB in the beginning and 832.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 458 SDtfs, 879 SDslu, 951 SDs, 0 SdLazy, 159 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, 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, 6 MinimizatonAttempts, 244 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 137 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5859 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 9397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...