./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product28.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 0040f6786a06aedabfd1d9c06a96268fa6592c87 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:46,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:46,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:46,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:46,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:46,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:46,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:46,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:46,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:46,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:46,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:46,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:46,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:46,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:46,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:46,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:46,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:46,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:46,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:46,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:46,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:46,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:46,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:46,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:46,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:46,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:46,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:46,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:46,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:46,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:46,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:46,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:46,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:46,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:46,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:46,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:46,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:46,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:46,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:46,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:46,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:46,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:46,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:46,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:46,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:46,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:46,825 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:46,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:46,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:46,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:46,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:46,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:46,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:46,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:46,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:46,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:46,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:46,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:46,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:46,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:46,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:46,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:46,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:46,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:46,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:46,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:46,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:46,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:46,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:46,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:46,833 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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-11-19 21:22:47,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:47,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:47,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:47,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:47,144 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:47,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-19 21:22:47,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9b240cf/6f340f6c6a3640b6aca5251f5b1b3ea2/FLAG4104eddf9 [2019-11-19 21:22:47,757 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:47,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-19 21:22:47,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9b240cf/6f340f6c6a3640b6aca5251f5b1b3ea2/FLAG4104eddf9 [2019-11-19 21:22:48,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff9b240cf/6f340f6c6a3640b6aca5251f5b1b3ea2 [2019-11-19 21:22:48,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:48,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:48,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:48,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:48,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:48,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77aebe68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48, skipping insertion in model container [2019-11-19 21:22:48,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,084 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:48,129 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:48,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:48,517 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:48,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:48,669 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:48,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48 WrapperNode [2019-11-19 21:22:48,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:48,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:48,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:48,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:48,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:48,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:48,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:48,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:48,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... [2019-11-19 21:22:48,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:48,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:48,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:48,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:48,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:49,551 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:49,551 INFO L285 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-19 21:22:49,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:49 BoogieIcfgContainer [2019-11-19 21:22:49,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:49,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:49,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:49,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:49,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:48" (1/3) ... [2019-11-19 21:22:49,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543159ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:49, skipping insertion in model container [2019-11-19 21:22:49,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:48" (2/3) ... [2019-11-19 21:22:49,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543159ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:49, skipping insertion in model container [2019-11-19 21:22:49,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:49" (3/3) ... [2019-11-19 21:22:49,568 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-11-19 21:22:49,579 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:49,586 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:49,598 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:49,631 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:49,631 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:49,631 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:49,631 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:49,631 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:49,632 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:49,632 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:49,632 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-11-19 21:22:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 21:22:49,656 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:49,657 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:49,657 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:49,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:49,664 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2019-11-19 21:22:49,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:49,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177483689] [2019-11-19 21:22:49,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:49,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177483689] [2019-11-19 21:22:49,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:49,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:49,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206416314] [2019-11-19 21:22:49,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:49,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:49,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:49,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:49,956 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-11-19 21:22:49,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:49,985 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-11-19 21:22:49,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:49,987 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-19 21:22:49,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:50,000 INFO L225 Difference]: With dead ends: 148 [2019-11-19 21:22:50,000 INFO L226 Difference]: Without dead ends: 73 [2019-11-19 21:22:50,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:50,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-19 21:22:50,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-11-19 21:22:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-19 21:22:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-11-19 21:22:50,050 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2019-11-19 21:22:50,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:50,050 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-19 21:22:50,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:50,051 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-11-19 21:22:50,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:22:50,052 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:50,052 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:50,052 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:50,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:50,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2019-11-19 21:22:50,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:50,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403206888] [2019-11-19 21:22:50,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:50,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403206888] [2019-11-19 21:22:50,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:50,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:50,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781124684] [2019-11-19 21:22:50,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:50,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:50,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:50,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:50,172 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2019-11-19 21:22:50,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:50,190 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-11-19 21:22:50,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:50,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-19 21:22:50,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:50,193 INFO L225 Difference]: With dead ends: 73 [2019-11-19 21:22:50,193 INFO L226 Difference]: Without dead ends: 35 [2019-11-19 21:22:50,195 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:50,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-19 21:22:50,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-19 21:22:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-19 21:22:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-11-19 21:22:50,207 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2019-11-19 21:22:50,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:50,208 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-11-19 21:22:50,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-11-19 21:22:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:22:50,211 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:50,211 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:50,211 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:50,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:50,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2019-11-19 21:22:50,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:50,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441343498] [2019-11-19 21:22:50,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:50,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441343498] [2019-11-19 21:22:50,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:50,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:50,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002211336] [2019-11-19 21:22:50,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:50,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:50,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:50,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:50,361 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-11-19 21:22:50,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:50,446 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-11-19 21:22:50,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:50,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-19 21:22:50,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:50,449 INFO L225 Difference]: With dead ends: 87 [2019-11-19 21:22:50,449 INFO L226 Difference]: Without dead ends: 58 [2019-11-19 21:22:50,452 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 [2019-11-19 21:22:50,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-11-19 21:22:50,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2019-11-19 21:22:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-11-19 21:22:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2019-11-19 21:22:50,466 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2019-11-19 21:22:50,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:50,467 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2019-11-19 21:22:50,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2019-11-19 21:22:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 21:22:50,468 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:50,468 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] [2019-11-19 21:22:50,468 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:50,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:50,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2019-11-19 21:22:50,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:50,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107145843] [2019-11-19 21:22:50,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:50,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107145843] [2019-11-19 21:22:50,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:50,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 21:22:50,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438305022] [2019-11-19 21:22:50,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 21:22:50,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:50,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 21:22:50,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:50,632 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2019-11-19 21:22:50,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:50,967 INFO L93 Difference]: Finished difference Result 335 states and 516 transitions. [2019-11-19 21:22:50,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-19 21:22:50,967 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-19 21:22:50,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:50,971 INFO L225 Difference]: With dead ends: 335 [2019-11-19 21:22:50,971 INFO L226 Difference]: Without dead ends: 287 [2019-11-19 21:22:50,972 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-19 21:22:50,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-11-19 21:22:50,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 136. [2019-11-19 21:22:50,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-19 21:22:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-11-19 21:22:50,996 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2019-11-19 21:22:50,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:50,996 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-11-19 21:22:50,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 21:22:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-11-19 21:22:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:50,998 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:50,998 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:50,999 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:50,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:50,999 INFO L82 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2019-11-19 21:22:50,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:51,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022677208] [2019-11-19 21:22:51,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:51,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022677208] [2019-11-19 21:22:51,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:51,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:51,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961820527] [2019-11-19 21:22:51,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:51,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:51,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:51,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:51,059 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2019-11-19 21:22:51,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:51,082 INFO L93 Difference]: Finished difference Result 245 states and 355 transitions. [2019-11-19 21:22:51,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:51,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 21:22:51,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:51,084 INFO L225 Difference]: With dead ends: 245 [2019-11-19 21:22:51,086 INFO L226 Difference]: Without dead ends: 115 [2019-11-19 21:22:51,090 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:51,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-19 21:22:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-11-19 21:22:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-19 21:22:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-11-19 21:22:51,112 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2019-11-19 21:22:51,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:51,113 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-11-19 21:22:51,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-11-19 21:22:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 21:22:51,115 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:51,116 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:51,116 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:51,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:51,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1392388941, now seen corresponding path program 1 times [2019-11-19 21:22:51,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:51,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948443013] [2019-11-19 21:22:51,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 21:22:51,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948443013] [2019-11-19 21:22:51,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:51,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:51,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220917242] [2019-11-19 21:22:51,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:51,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:51,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:51,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:51,231 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-11-19 21:22:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:51,309 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-11-19 21:22:51,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:51,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-19 21:22:51,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:51,312 INFO L225 Difference]: With dead ends: 235 [2019-11-19 21:22:51,312 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:51,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:51,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:51,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:51,316 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-19 21:22:51,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:51,317 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:51,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:51,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:51,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:51,775 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:51,775 INFO L440 ceAbstractionStarter]: At program point L498(lines 497 516) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,775 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2019-11-19 21:22:51,775 INFO L440 ceAbstractionStarter]: At program point L498-2(lines 497 516) the Hoare annotation is: false [2019-11-19 21:22:51,776 INFO L440 ceAbstractionStarter]: At program point L498-3(lines 497 516) the Hoare annotation is: false [2019-11-19 21:22:51,776 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:22:51,776 INFO L444 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-11-19 21:22:51,776 INFO L440 ceAbstractionStarter]: At program point L664-1(lines 664 670) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,777 INFO L444 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2019-11-19 21:22:51,777 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2019-11-19 21:22:51,777 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 534 542) no Hoare annotation was computed. [2019-11-19 21:22:51,777 INFO L440 ceAbstractionStarter]: At program point L468(lines 1 939) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 21:22:51,777 INFO L444 ceAbstractionStarter]: For program point L534-2(lines 534 542) no Hoare annotation was computed. [2019-11-19 21:22:51,788 INFO L444 ceAbstractionStarter]: For program point L716(lines 716 720) no Hoare annotation was computed. [2019-11-19 21:22:51,788 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-11-19 21:22:51,788 INFO L444 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-11-19 21:22:51,788 INFO L444 ceAbstractionStarter]: For program point L650-3(lines 650 654) no Hoare annotation was computed. [2019-11-19 21:22:51,789 INFO L444 ceAbstractionStarter]: For program point L650-5(lines 650 654) no Hoare annotation was computed. [2019-11-19 21:22:51,789 INFO L444 ceAbstractionStarter]: For program point L650-6(lines 650 654) no Hoare annotation was computed. [2019-11-19 21:22:51,789 INFO L444 ceAbstractionStarter]: For program point L650-8(lines 650 654) no Hoare annotation was computed. [2019-11-19 21:22:51,789 INFO L440 ceAbstractionStarter]: At program point L601(lines 596 604) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,790 INFO L440 ceAbstractionStarter]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2019-11-19 21:22:51,790 INFO L440 ceAbstractionStarter]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2019-11-19 21:22:51,790 INFO L440 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: false [2019-11-19 21:22:51,790 INFO L444 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2019-11-19 21:22:51,791 INFO L447 ceAbstractionStarter]: At program point L867(lines 848 870) the Hoare annotation is: true [2019-11-19 21:22:51,791 INFO L440 ceAbstractionStarter]: At program point L834(lines 830 836) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 21:22:51,791 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:22:51,791 INFO L444 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2019-11-19 21:22:51,792 INFO L440 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,792 INFO L440 ceAbstractionStarter]: At program point L505-1(lines 505 511) the Hoare annotation is: false [2019-11-19 21:22:51,792 INFO L440 ceAbstractionStarter]: At program point L505-2(lines 505 511) the Hoare annotation is: false [2019-11-19 21:22:51,792 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:51,792 INFO L440 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2019-11-19 21:22:51,795 INFO L444 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-11-19 21:22:51,795 INFO L440 ceAbstractionStarter]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,795 INFO L440 ceAbstractionStarter]: At program point L770(lines 765 773) the Hoare annotation is: false [2019-11-19 21:22:51,795 INFO L440 ceAbstractionStarter]: At program point L770-1(lines 765 773) the Hoare annotation is: false [2019-11-19 21:22:51,796 INFO L444 ceAbstractionStarter]: For program point L704(lines 704 708) no Hoare annotation was computed. [2019-11-19 21:22:51,796 INFO L440 ceAbstractionStarter]: At program point L770-2(lines 765 773) the Hoare annotation is: false [2019-11-19 21:22:51,796 INFO L444 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-11-19 21:22:51,796 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-19 21:22:51,796 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-19 21:22:51,796 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-19 21:22:51,799 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:22:51,799 INFO L444 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-11-19 21:22:51,799 INFO L440 ceAbstractionStarter]: At program point L920-1(lines 498 504) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,799 INFO L440 ceAbstractionStarter]: At program point L656(lines 641 659) the Hoare annotation is: false [2019-11-19 21:22:51,800 INFO L440 ceAbstractionStarter]: At program point L656-1(lines 641 659) the Hoare annotation is: false [2019-11-19 21:22:51,800 INFO L440 ceAbstractionStarter]: At program point L656-2(lines 641 659) the Hoare annotation is: false [2019-11-19 21:22:51,800 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-11-19 21:22:51,800 INFO L440 ceAbstractionStarter]: At program point L425-1(lines 1 939) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,800 INFO L444 ceAbstractionStarter]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2019-11-19 21:22:51,801 INFO L440 ceAbstractionStarter]: At program point L425-3(lines 1 939) the Hoare annotation is: false [2019-11-19 21:22:51,801 INFO L444 ceAbstractionStarter]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2019-11-19 21:22:51,801 INFO L440 ceAbstractionStarter]: At program point L425-5(lines 1 939) the Hoare annotation is: false [2019-11-19 21:22:51,801 INFO L440 ceAbstractionStarter]: At program point L476(lines 471 479) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-19 21:22:51,801 INFO L444 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-11-19 21:22:51,802 INFO L444 ceAbstractionStarter]: For program point L790-1(lines 498 504) no Hoare annotation was computed. [2019-11-19 21:22:51,805 INFO L444 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-11-19 21:22:51,805 INFO L444 ceAbstractionStarter]: For program point L692-3(lines 692 696) no Hoare annotation was computed. [2019-11-19 21:22:51,805 INFO L444 ceAbstractionStarter]: For program point L692-6(lines 692 696) no Hoare annotation was computed. [2019-11-19 21:22:51,805 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:22:51,805 INFO L444 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-11-19 21:22:51,806 INFO L447 ceAbstractionStarter]: At program point L858-1(lines 858 865) the Hoare annotation is: true [2019-11-19 21:22:51,806 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-19 21:22:51,806 INFO L444 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-19 21:22:51,806 INFO L444 ceAbstractionStarter]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-11-19 21:22:51,807 INFO L444 ceAbstractionStarter]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-11-19 21:22:51,807 INFO L444 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-11-19 21:22:51,807 INFO L440 ceAbstractionStarter]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,809 INFO L440 ceAbstractionStarter]: At program point L761(lines 756 764) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~7) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:51,809 INFO L440 ceAbstractionStarter]: At program point L761-1(lines 756 764) the Hoare annotation is: false [2019-11-19 21:22:51,809 INFO L440 ceAbstractionStarter]: At program point L761-2(lines 756 764) the Hoare annotation is: false [2019-11-19 21:22:51,810 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2019-11-19 21:22:51,810 INFO L444 ceAbstractionStarter]: For program point L530-1(lines 530 547) no Hoare annotation was computed. [2019-11-19 21:22:51,810 INFO L444 ceAbstractionStarter]: For program point L530-2(lines 530 547) no Hoare annotation was computed. [2019-11-19 21:22:51,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:51 BoogieIcfgContainer [2019-11-19 21:22:51,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:51,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:51,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:51,859 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:51,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:49" (3/4) ... [2019-11-19 21:22:51,866 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:22:51,897 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:22:51,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:22:51,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:22:51,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:22:51,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:22:51,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:22:51,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-19 21:22:51,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-19 21:22:51,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,962 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,962 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,963 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,964 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,964 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,965 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,966 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:51,968 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:52,059 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:52,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:52,062 INFO L168 Benchmark]: Toolchain (without parser) took 3993.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 955.0 MB in the beginning and 836.3 MB in the end (delta: 118.7 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:52,062 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:52,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:52,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:52,063 INFO L168 Benchmark]: Boogie Preprocessor took 41.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:52,064 INFO L168 Benchmark]: RCFGBuilder took 773.83 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:52,064 INFO L168 Benchmark]: TraceAbstraction took 2302.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 849.8 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:52,065 INFO L168 Benchmark]: Witness Printer took 200.68 ms. Allocated memory is still 1.2 GB. Free memory was 849.8 MB in the beginning and 836.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:52,067 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 601.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 773.83 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2302.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 849.8 MB in the end (delta: 195.8 MB). Peak memory consumption was 195.8 MB. Max. memory is 11.5 GB. * Witness Printer took 200.68 ms. Allocated memory is still 1.2 GB. Free memory was 849.8 MB in the beginning and 836.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 355 SDtfs, 690 SDslu, 511 SDs, 0 SdLazy, 125 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 155 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5486 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 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...