./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_product58.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 e8e2fe939766c7a542c760a74550866c5b83d51d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:23:48,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:48,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:48,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:48,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:48,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:48,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:48,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:48,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:48,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:48,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:48,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:48,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:48,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:48,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:48,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:48,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:48,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:48,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:48,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:48,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:48,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:48,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:48,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:48,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:48,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:48,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:48,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:48,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:48,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:48,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:48,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:48,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:48,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:48,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:48,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:48,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:48,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:48,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:48,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:48,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:48,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:48,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:48,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:48,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:48,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:48,615 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:48,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:48,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:48,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:48,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:48,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:48,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:48,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:48,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:48,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:48,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:48,619 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:48,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:48,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:48,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:48,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:48,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:48,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:48,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:48,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:48,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:48,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:48,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:48,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:48,623 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 -> e8e2fe939766c7a542c760a74550866c5b83d51d [2019-11-28 00:23:48,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:48,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:48,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:48,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:48,976 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:48,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2019-11-28 00:23:49,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e98d437/45a38db117b44f6bbb7d7237fcd8d49c/FLAGe677020ae [2019-11-28 00:23:49,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:49,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2019-11-28 00:23:49,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e98d437/45a38db117b44f6bbb7d7237fcd8d49c/FLAGe677020ae [2019-11-28 00:23:49,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e98d437/45a38db117b44f6bbb7d7237fcd8d49c [2019-11-28 00:23:49,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:49,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:49,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:49,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:49,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:49,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:49" (1/1) ... [2019-11-28 00:23:49,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cff6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:49, skipping insertion in model container [2019-11-28 00:23:49,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:49" (1/1) ... [2019-11-28 00:23:49,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:49,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:50,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:50,422 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:50,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:50,552 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:50,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50 WrapperNode [2019-11-28 00:23:50,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:50,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:50,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:50,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:50,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:50,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:50,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:50,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:50,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (1/1) ... [2019-11-28 00:23:50,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:50,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:50,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:50,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:50,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (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 [2019-11-28 00:23:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:51,789 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:51,789 INFO L297 CfgBuilder]: Removed 208 assume(true) statements. [2019-11-28 00:23:51,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:51 BoogieIcfgContainer [2019-11-28 00:23:51,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:51,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:51,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:51,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:51,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:49" (1/3) ... [2019-11-28 00:23:51,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f14b12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:51, skipping insertion in model container [2019-11-28 00:23:51,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:50" (2/3) ... [2019-11-28 00:23:51,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f14b12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:51, skipping insertion in model container [2019-11-28 00:23:51,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:51" (3/3) ... [2019-11-28 00:23:51,802 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2019-11-28 00:23:51,813 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:51,822 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:51,836 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:51,866 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:51,866 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:51,866 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:51,867 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:51,867 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:51,867 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:51,868 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:51,868 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-11-28 00:23:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:51,900 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:51,901 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:51,902 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:51,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:51,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2088069929, now seen corresponding path program 1 times [2019-11-28 00:23:51,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:51,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128699533] [2019-11-28 00:23:51,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:52,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128699533] [2019-11-28 00:23:52,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:52,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:52,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44244919] [2019-11-28 00:23:52,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:52,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:52,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:52,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:52,187 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-11-28 00:23:52,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:52,226 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2019-11-28 00:23:52,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:52,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:52,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:52,243 INFO L225 Difference]: With dead ends: 281 [2019-11-28 00:23:52,244 INFO L226 Difference]: Without dead ends: 140 [2019-11-28 00:23:52,251 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 [2019-11-28 00:23:52,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-28 00:23:52,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-11-28 00:23:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 00:23:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2019-11-28 00:23:52,304 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2019-11-28 00:23:52,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:52,305 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2019-11-28 00:23:52,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2019-11-28 00:23:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:52,307 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:52,307 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] [2019-11-28 00:23:52,308 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:52,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:52,308 INFO L82 PathProgramCache]: Analyzing trace with hash -282050376, now seen corresponding path program 1 times [2019-11-28 00:23:52,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:52,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241694938] [2019-11-28 00:23:52,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:52,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241694938] [2019-11-28 00:23:52,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:52,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:52,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380413077] [2019-11-28 00:23:52,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:52,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:52,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:52,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:52,471 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2019-11-28 00:23:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:52,488 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2019-11-28 00:23:52,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:52,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:52,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:52,490 INFO L225 Difference]: With dead ends: 140 [2019-11-28 00:23:52,490 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 00:23:52,492 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 [2019-11-28 00:23:52,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 00:23:52,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 00:23:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 00:23:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-11-28 00:23:52,500 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-11-28 00:23:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:52,501 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-11-28 00:23:52,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-11-28 00:23:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:52,503 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:52,503 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] [2019-11-28 00:23:52,503 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:52,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:52,504 INFO L82 PathProgramCache]: Analyzing trace with hash 699838073, now seen corresponding path program 1 times [2019-11-28 00:23:52,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:52,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835182323] [2019-11-28 00:23:52,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:52,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835182323] [2019-11-28 00:23:52,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:52,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:52,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28613298] [2019-11-28 00:23:52,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:52,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:52,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:52,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:52,635 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2019-11-28 00:23:52,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:52,676 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2019-11-28 00:23:52,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:52,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:23:52,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:52,679 INFO L225 Difference]: With dead ends: 107 [2019-11-28 00:23:52,679 INFO L226 Difference]: Without dead ends: 57 [2019-11-28 00:23:52,680 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 [2019-11-28 00:23:52,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-28 00:23:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-28 00:23:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-28 00:23:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-11-28 00:23:52,688 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2019-11-28 00:23:52,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:52,689 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-11-28 00:23:52,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-11-28 00:23:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:23:52,691 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:52,691 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] [2019-11-28 00:23:52,691 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:52,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:52,692 INFO L82 PathProgramCache]: Analyzing trace with hash -649900478, now seen corresponding path program 1 times [2019-11-28 00:23:52,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:52,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537733494] [2019-11-28 00:23:52,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:52,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:52,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537733494] [2019-11-28 00:23:52,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:52,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:52,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423001788] [2019-11-28 00:23:52,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:52,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:52,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:52,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:52,817 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2019-11-28 00:23:52,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:52,890 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2019-11-28 00:23:52,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:52,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-28 00:23:52,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:52,893 INFO L225 Difference]: With dead ends: 131 [2019-11-28 00:23:52,893 INFO L226 Difference]: Without dead ends: 81 [2019-11-28 00:23:52,894 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 [2019-11-28 00:23:52,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-11-28 00:23:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-11-28 00:23:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-28 00:23:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2019-11-28 00:23:52,905 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2019-11-28 00:23:52,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:52,906 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2019-11-28 00:23:52,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:52,906 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2019-11-28 00:23:52,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:52,908 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:52,908 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] [2019-11-28 00:23:52,908 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:52,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:52,909 INFO L82 PathProgramCache]: Analyzing trace with hash 33266286, now seen corresponding path program 1 times [2019-11-28 00:23:52,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:52,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698110241] [2019-11-28 00:23:52,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:53,034 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698110241] [2019-11-28 00:23:53,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:53,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:53,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084990909] [2019-11-28 00:23:53,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:53,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:53,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:53,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:53,037 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2019-11-28 00:23:53,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:53,224 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2019-11-28 00:23:53,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:53,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:23:53,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:53,228 INFO L225 Difference]: With dead ends: 266 [2019-11-28 00:23:53,228 INFO L226 Difference]: Without dead ends: 194 [2019-11-28 00:23:53,233 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 [2019-11-28 00:23:53,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-11-28 00:23:53,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2019-11-28 00:23:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-28 00:23:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2019-11-28 00:23:53,261 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2019-11-28 00:23:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:53,262 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2019-11-28 00:23:53,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2019-11-28 00:23:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:53,266 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:53,267 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, 1, 1, 1] [2019-11-28 00:23:53,267 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:53,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:53,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1851586710, now seen corresponding path program 1 times [2019-11-28 00:23:53,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:53,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527505460] [2019-11-28 00:23:53,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:53,388 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527505460] [2019-11-28 00:23:53,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:53,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:53,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207323141] [2019-11-28 00:23:53,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:53,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:53,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:53,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:53,392 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2019-11-28 00:23:53,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:53,476 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2019-11-28 00:23:53,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:53,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-28 00:23:53,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:53,477 INFO L225 Difference]: With dead ends: 198 [2019-11-28 00:23:53,478 INFO L226 Difference]: Without dead ends: 127 [2019-11-28 00:23:53,479 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 [2019-11-28 00:23:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-28 00:23:53,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-11-28 00:23:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-28 00:23:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2019-11-28 00:23:53,501 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2019-11-28 00:23:53,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:53,504 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2019-11-28 00:23:53,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:53,504 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2019-11-28 00:23:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:53,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:53,507 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, 1, 1, 1] [2019-11-28 00:23:53,509 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:53,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:53,512 INFO L82 PathProgramCache]: Analyzing trace with hash 840469460, now seen corresponding path program 1 times [2019-11-28 00:23:53,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:53,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651976407] [2019-11-28 00:23:53,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:53,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651976407] [2019-11-28 00:23:53,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:53,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:53,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536786840] [2019-11-28 00:23:53,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:53,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:53,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:53,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:53,597 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 5 states. [2019-11-28 00:23:53,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:53,706 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2019-11-28 00:23:53,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:53,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-28 00:23:53,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:53,709 INFO L225 Difference]: With dead ends: 215 [2019-11-28 00:23:53,709 INFO L226 Difference]: Without dead ends: 138 [2019-11-28 00:23:53,710 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-28 00:23:53,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2019-11-28 00:23:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-28 00:23:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2019-11-28 00:23:53,732 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2019-11-28 00:23:53,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:53,733 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2019-11-28 00:23:53,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:53,734 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-11-28 00:23:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:23:53,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:53,735 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, 1, 1, 1] [2019-11-28 00:23:53,735 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:53,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:53,736 INFO L82 PathProgramCache]: Analyzing trace with hash -180598894, now seen corresponding path program 1 times [2019-11-28 00:23:53,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:53,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265869275] [2019-11-28 00:23:53,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:53,786 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265869275] [2019-11-28 00:23:53,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:53,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:53,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538034017] [2019-11-28 00:23:53,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:53,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:53,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:53,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:53,789 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2019-11-28 00:23:53,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:53,818 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2019-11-28 00:23:53,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:53,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-28 00:23:53,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:53,820 INFO L225 Difference]: With dead ends: 197 [2019-11-28 00:23:53,820 INFO L226 Difference]: Without dead ends: 116 [2019-11-28 00:23:53,821 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 [2019-11-28 00:23:53,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-28 00:23:53,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-28 00:23:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-28 00:23:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2019-11-28 00:23:53,832 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2019-11-28 00:23:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:53,832 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2019-11-28 00:23:53,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2019-11-28 00:23:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-28 00:23:53,834 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:53,834 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, 1, 1, 1, 1] [2019-11-28 00:23:53,834 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:53,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:53,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1355199058, now seen corresponding path program 1 times [2019-11-28 00:23:53,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:53,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368055717] [2019-11-28 00:23:53,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:53,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368055717] [2019-11-28 00:23:53,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:53,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:53,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578570755] [2019-11-28 00:23:53,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:53,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:53,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:53,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:53,952 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 6 states. [2019-11-28 00:23:54,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:54,202 INFO L93 Difference]: Finished difference Result 437 states and 583 transitions. [2019-11-28 00:23:54,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:54,203 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-11-28 00:23:54,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:54,205 INFO L225 Difference]: With dead ends: 437 [2019-11-28 00:23:54,205 INFO L226 Difference]: Without dead ends: 356 [2019-11-28 00:23:54,206 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 [2019-11-28 00:23:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-11-28 00:23:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 161. [2019-11-28 00:23:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-11-28 00:23:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2019-11-28 00:23:54,254 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 38 [2019-11-28 00:23:54,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:54,255 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2019-11-28 00:23:54,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2019-11-28 00:23:54,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-28 00:23:54,257 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:54,257 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:54,257 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:54,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:54,258 INFO L82 PathProgramCache]: Analyzing trace with hash 730179745, now seen corresponding path program 1 times [2019-11-28 00:23:54,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:54,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322087738] [2019-11-28 00:23:54,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:54,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322087738] [2019-11-28 00:23:54,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870520566] [2019-11-28 00:23:54,333 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 [2019-11-28 00:23:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:54,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:54,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:54,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:54,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-28 00:23:54,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913898374] [2019-11-28 00:23:54,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:23:54,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:54,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:23:54,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:54,542 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand 8 states. [2019-11-28 00:23:54,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:54,749 INFO L93 Difference]: Finished difference Result 321 states and 429 transitions. [2019-11-28 00:23:54,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:23:54,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2019-11-28 00:23:54,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:54,750 INFO L225 Difference]: With dead ends: 321 [2019-11-28 00:23:54,750 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:54,753 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:54,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:54,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-11-28 00:23:54,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:54,755 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:54,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:23:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:54,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:54,963 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:54,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:55,828 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 22 [2019-11-28 00:23:56,006 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-11-28 00:23:56,282 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2019-11-28 00:23:56,632 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-11-28 00:23:56,788 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-11-28 00:23:57,070 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-11-28 00:23:57,106 INFO L246 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-11-28 00:23:57,106 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-11-28 00:23:57,106 INFO L242 CegarLoopResult]: At program point L729-2(lines 729 733) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-28 00:23:57,107 INFO L246 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2019-11-28 00:23:57,107 INFO L246 CegarLoopResult]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2019-11-28 00:23:57,107 INFO L246 CegarLoopResult]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2019-11-28 00:23:57,107 INFO L246 CegarLoopResult]: For program point L796-3(lines 796 804) no Hoare annotation was computed. [2019-11-28 00:23:57,107 INFO L246 CegarLoopResult]: For program point L796-4(lines 796 804) no Hoare annotation was computed. [2019-11-28 00:23:57,107 INFO L246 CegarLoopResult]: For program point L796-5(lines 796 804) no Hoare annotation was computed. [2019-11-28 00:23:57,107 INFO L242 CegarLoopResult]: At program point L169(lines 760 766) 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 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-28 00:23:57,108 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:57,108 INFO L242 CegarLoopResult]: At program point L169-1(lines 760 766) the Hoare annotation is: false [2019-11-28 00:23:57,109 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) 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))) [2019-11-28 00:23:57,109 INFO L242 CegarLoopResult]: At program point L169-2(lines 760 766) the Hoare annotation is: false [2019-11-28 00:23:57,109 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:57,109 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:57,109 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:57,110 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-28 00:23:57,110 INFO L242 CegarLoopResult]: At program point L963(lines 948 966) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:57,110 INFO L242 CegarLoopResult]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2019-11-28 00:23:57,110 INFO L242 CegarLoopResult]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2019-11-28 00:23:57,110 INFO L249 CegarLoopResult]: At program point L666(lines 647 669) the Hoare annotation is: true [2019-11-28 00:23:57,111 INFO L242 CegarLoopResult]: At program point L998(lines 1 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:57,111 INFO L242 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-28 00:23:57,111 INFO L242 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2019-11-28 00:23:57,111 INFO L246 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-11-28 00:23:57,111 INFO L242 CegarLoopResult]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2019-11-28 00:23:57,111 INFO L242 CegarLoopResult]: At program point L701-1(lines 701 707) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-28 00:23:57,112 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-11-28 00:23:57,112 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-28 00:23:57,112 INFO L242 CegarLoopResult]: At program point L739(lines 690 740) the Hoare annotation is: false [2019-11-28 00:23:57,112 INFO L246 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,112 INFO L246 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,112 INFO L246 CegarLoopResult]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,112 INFO L246 CegarLoopResult]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,112 INFO L246 CegarLoopResult]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,113 INFO L246 CegarLoopResult]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,113 INFO L246 CegarLoopResult]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,113 INFO L246 CegarLoopResult]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,113 INFO L246 CegarLoopResult]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,113 INFO L246 CegarLoopResult]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,113 INFO L246 CegarLoopResult]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,114 INFO L246 CegarLoopResult]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2019-11-28 00:23:57,114 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:57,114 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-28 00:23:57,114 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-28 00:23:57,114 INFO L246 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2019-11-28 00:23:57,115 INFO L246 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-11-28 00:23:57,115 INFO L246 CegarLoopResult]: For program point L675-2(line 675) no Hoare annotation was computed. [2019-11-28 00:23:57,115 INFO L246 CegarLoopResult]: For program point L180(lines 180 197) no Hoare annotation was computed. [2019-11-28 00:23:57,115 INFO L242 CegarLoopResult]: At program point L180-1(lines 1 1009) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-28 00:23:57,115 INFO L246 CegarLoopResult]: For program point L180-2(lines 180 197) no Hoare annotation was computed. [2019-11-28 00:23:57,116 INFO L242 CegarLoopResult]: At program point L180-3(lines 1 1009) the Hoare annotation is: false [2019-11-28 00:23:57,116 INFO L246 CegarLoopResult]: For program point L180-4(lines 180 197) no Hoare annotation was computed. [2019-11-28 00:23:57,116 INFO L242 CegarLoopResult]: At program point L180-5(lines 1 1009) the Hoare annotation is: false [2019-11-28 00:23:57,116 INFO L242 CegarLoopResult]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:57,116 INFO L246 CegarLoopResult]: For program point L711(lines 711 717) no Hoare annotation was computed. [2019-11-28 00:23:57,117 INFO L242 CegarLoopResult]: At program point L711-1(lines 711 717) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-28 00:23:57,117 INFO L242 CegarLoopResult]: At program point L580-2(lines 580 594) the Hoare annotation is: false [2019-11-28 00:23:57,117 INFO L246 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2019-11-28 00:23:57,117 INFO L246 CegarLoopResult]: For program point L184-2(lines 184 194) no Hoare annotation was computed. [2019-11-28 00:23:57,117 INFO L246 CegarLoopResult]: For program point L184-4(lines 184 194) no Hoare annotation was computed. [2019-11-28 00:23:57,118 INFO L242 CegarLoopResult]: At program point L944(lines 929 947) the Hoare annotation is: false [2019-11-28 00:23:57,118 INFO L242 CegarLoopResult]: At program point L944-1(lines 929 947) 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 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) .cse1 .cse2 .cse3))) [2019-11-28 00:23:57,118 INFO L242 CegarLoopResult]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2019-11-28 00:23:57,118 INFO L242 CegarLoopResult]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2019-11-28 00:23:57,118 INFO L242 CegarLoopResult]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2019-11-28 00:23:57,119 INFO L242 CegarLoopResult]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2019-11-28 00:23:57,119 INFO L246 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2019-11-28 00:23:57,119 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:57,119 INFO L246 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2019-11-28 00:23:57,119 INFO L246 CegarLoopResult]: For program point L185-2(lines 185 191) no Hoare annotation was computed. [2019-11-28 00:23:57,119 INFO L246 CegarLoopResult]: For program point L185-4(lines 185 191) no Hoare annotation was computed. [2019-11-28 00:23:57,120 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:23:57,120 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:23:57,120 INFO L242 CegarLoopResult]: At program point L880(lines 873 883) the Hoare annotation is: false [2019-11-28 00:23:57,120 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-28 00:23:57,120 INFO L242 CegarLoopResult]: At program point L880-1(lines 873 883) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:57,121 INFO L242 CegarLoopResult]: At program point L880-2(lines 873 883) the Hoare annotation is: false [2019-11-28 00:23:57,121 INFO L242 CegarLoopResult]: At program point L880-3(lines 873 883) the Hoare annotation is: false [2019-11-28 00:23:57,121 INFO L242 CegarLoopResult]: At program point L880-4(lines 873 883) the Hoare annotation is: false [2019-11-28 00:23:57,121 INFO L242 CegarLoopResult]: At program point L880-5(lines 873 883) the Hoare annotation is: false [2019-11-28 00:23:57,121 INFO L246 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-11-28 00:23:57,121 INFO L246 CegarLoopResult]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2019-11-28 00:23:57,122 INFO L242 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-28 00:23:57,122 INFO L242 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-11-28 00:23:57,122 INFO L242 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-11-28 00:23:57,122 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:57,122 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-28 00:23:57,123 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:57,123 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2019-11-28 00:23:57,123 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-28 00:23:57,123 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-28 00:23:57,123 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-28 00:23:57,124 INFO L246 CegarLoopResult]: For program point L818(lines 818 835) no Hoare annotation was computed. [2019-11-28 00:23:57,124 INFO L246 CegarLoopResult]: For program point L818-1(lines 818 835) no Hoare annotation was computed. [2019-11-28 00:23:57,124 INFO L246 CegarLoopResult]: For program point L818-2(lines 818 835) no Hoare annotation was computed. [2019-11-28 00:23:57,124 INFO L242 CegarLoopResult]: At program point L159(lines 154 161) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:57,124 INFO L246 CegarLoopResult]: For program point L721(lines 721 734) no Hoare annotation was computed. [2019-11-28 00:23:57,124 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:57,125 INFO L246 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-11-28 00:23:57,125 INFO L246 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2019-11-28 00:23:57,125 INFO L246 CegarLoopResult]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2019-11-28 00:23:57,125 INFO L246 CegarLoopResult]: For program point L822-1(lines 822 830) no Hoare annotation was computed. [2019-11-28 00:23:57,125 INFO L246 CegarLoopResult]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2019-11-28 00:23:57,125 INFO L246 CegarLoopResult]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2019-11-28 00:23:57,126 INFO L246 CegarLoopResult]: For program point L657(lines 657 664) no Hoare annotation was computed. [2019-11-28 00:23:57,126 INFO L246 CegarLoopResult]: For program point L855-6(lines 855 861) no Hoare annotation was computed. [2019-11-28 00:23:57,126 INFO L249 CegarLoopResult]: At program point L657-1(lines 657 664) the Hoare annotation is: true [2019-11-28 00:23:57,126 INFO L246 CegarLoopResult]: For program point L855-8(lines 855 861) no Hoare annotation was computed. [2019-11-28 00:23:57,126 INFO L246 CegarLoopResult]: For program point L855-10(lines 855 861) no Hoare annotation was computed. [2019-11-28 00:23:57,127 INFO L242 CegarLoopResult]: At program point L889(lines 884 892) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4 .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 .cse4 .cse2))) [2019-11-28 00:23:57,127 INFO L242 CegarLoopResult]: At program point L889-1(lines 884 892) 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 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-28 00:23:57,127 INFO L242 CegarLoopResult]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2019-11-28 00:23:57,127 INFO L242 CegarLoopResult]: At program point L889-3(lines 884 892) the Hoare annotation is: false [2019-11-28 00:23:57,128 INFO L242 CegarLoopResult]: At program point L889-4(lines 884 892) the Hoare annotation is: false [2019-11-28 00:23:57,128 INFO L242 CegarLoopResult]: At program point L889-5(lines 884 892) the Hoare annotation is: false [2019-11-28 00:23:57,128 INFO L246 CegarLoopResult]: For program point L692(lines 691 738) no Hoare annotation was computed. [2019-11-28 00:23:57,128 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:57,128 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:57,128 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:57,129 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:57,129 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:57,129 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:57,129 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-28 00:23:57,129 INFO L246 CegarLoopResult]: For program point L957(lines 957 961) no Hoare annotation was computed. [2019-11-28 00:23:57,129 INFO L246 CegarLoopResult]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2019-11-28 00:23:57,130 INFO L246 CegarLoopResult]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2019-11-28 00:23:57,130 INFO L246 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2019-11-28 00:23:57,130 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-11-28 00:23:57,130 INFO L246 CegarLoopResult]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2019-11-28 00:23:57,130 INFO L246 CegarLoopResult]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2019-11-28 00:23:57,131 INFO L246 CegarLoopResult]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2019-11-28 00:23:57,131 INFO L246 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2019-11-28 00:23:57,131 INFO L246 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-11-28 00:23:57,131 INFO L246 CegarLoopResult]: For program point L792-3(lines 792 809) no Hoare annotation was computed. [2019-11-28 00:23:57,131 INFO L246 CegarLoopResult]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2019-11-28 00:23:57,131 INFO L246 CegarLoopResult]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2019-11-28 00:23:57,132 INFO L246 CegarLoopResult]: For program point L792-5(lines 792 809) no Hoare annotation was computed. [2019-11-28 00:23:57,132 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-28 00:23:57,132 INFO L242 CegarLoopResult]: At program point L760(lines 756 778) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-28 00:23:57,132 INFO L242 CegarLoopResult]: At program point L760-1(lines 756 778) the Hoare annotation is: false [2019-11-28 00:23:57,132 INFO L242 CegarLoopResult]: At program point L760-2(lines 756 778) the Hoare annotation is: false [2019-11-28 00:23:57,133 INFO L242 CegarLoopResult]: At program point L629(lines 625 631) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:57,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:57 BoogieIcfgContainer [2019-11-28 00:23:57,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:57,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:57,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:57,173 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:57,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:51" (3/4) ... [2019-11-28 00:23:57,181 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:57,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:57,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:57,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:57,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:57,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:57,239 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:57,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:57,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:57,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 00:23:57,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 00:23:57,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 00:23:57,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-28 00:23:57,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-28 00:23:57,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-28 00:23:57,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 00:23:57,285 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:57,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-28 00:23:57,290 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) [2019-11-28 00:23:57,292 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-28 00:23:57,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter [2019-11-28 00:23:57,294 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) && !(0 == tmp)) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:57,409 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:57,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:57,411 INFO L168 Benchmark]: Toolchain (without parser) took 7535.44 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 960.4 MB in the beginning and 1.3 GB in the end (delta: -323.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:57,411 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-28 00:23:57,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:57,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.81 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:57,412 INFO L168 Benchmark]: Boogie Preprocessor took 55.93 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. [2019-11-28 00:23:57,413 INFO L168 Benchmark]: RCFGBuilder took 1083.60 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: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:57,413 INFO L168 Benchmark]: TraceAbstraction took 5379.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -262.1 MB). Peak memory consumption was 298.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:57,414 INFO L168 Benchmark]: Witness Printer took 237.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:57,416 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 676.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.81 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.93 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 1083.60 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: 78.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5379.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -262.1 MB). Peak memory consumption was 298.4 MB. Max. memory is 11.5 GB. * Witness Printer took 237.19 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 675]: 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: 86]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: 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: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && !(0 == tmp)) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: ((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 1126 SDtfs, 1255 SDslu, 1479 SDs, 0 SdLazy, 247 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred 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, 406 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 145 NumberOfFragments, 698 HoareAnnotationTreeSize, 62 FomulaSimplifications, 43062 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 5849 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 31435 SizeOfPredicates, 4 NumberOfNonLiveVariables, 441 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...