./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product42.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_spec3_product42.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 284d5750b565b650dea59fef4c61eb2e70211282 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:21:54,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:54,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:54,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:54,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:54,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:54,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:54,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:54,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:54,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:54,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:54,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:54,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:54,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:54,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:54,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:54,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:54,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:54,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:54,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:54,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:54,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:54,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:54,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:54,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:54,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:54,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:54,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:54,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:54,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:54,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:54,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:54,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:54,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:54,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:54,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:54,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:54,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:54,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:54,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:54,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:54,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:54,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:54,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:54,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:54,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:54,913 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:54,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:54,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:54,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:54,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:54,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:54,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:54,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:54,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:54,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:54,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:54,915 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:54,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:54,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:54,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:54,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:54,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:54,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:54,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:54,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:54,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:54,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:54,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:54,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:54,918 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 -> 284d5750b565b650dea59fef4c61eb2e70211282 [2019-11-28 00:21:55,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:55,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:55,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:55,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:55,278 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:55,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2019-11-28 00:21:55,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21c01192f/cb260bddaae248ccb8dcf2997bc85057/FLAGdd353927c [2019-11-28 00:21:55,909 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:55,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2019-11-28 00:21:55,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21c01192f/cb260bddaae248ccb8dcf2997bc85057/FLAGdd353927c [2019-11-28 00:21:56,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21c01192f/cb260bddaae248ccb8dcf2997bc85057 [2019-11-28 00:21:56,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:56,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:56,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:56,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:56,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:56,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56, skipping insertion in model container [2019-11-28 00:21:56,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:56,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:56,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:56,677 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:56,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:56,826 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:56,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56 WrapperNode [2019-11-28 00:21:56,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:56,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:56,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:56,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:56,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:56,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:56,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:56,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:56,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:56,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:56,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:56,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:56,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (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 00:21:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:57,965 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:57,965 INFO L297 CfgBuilder]: Removed 122 assume(true) statements. [2019-11-28 00:21:57,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:57 BoogieIcfgContainer [2019-11-28 00:21:57,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:57,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:57,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:57,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:57,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:56" (1/3) ... [2019-11-28 00:21:57,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f09183d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:57, skipping insertion in model container [2019-11-28 00:21:57,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (2/3) ... [2019-11-28 00:21:57,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f09183d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:57, skipping insertion in model container [2019-11-28 00:21:57,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:57" (3/3) ... [2019-11-28 00:21:57,977 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2019-11-28 00:21:57,990 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:57,998 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:58,011 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:58,042 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:58,043 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:58,043 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:58,043 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:58,044 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:58,044 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:58,044 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:58,044 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:58,064 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2019-11-28 00:21:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:58,070 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,071 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,072 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1623272414, now seen corresponding path program 1 times [2019-11-28 00:21:58,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111029446] [2019-11-28 00:21:58,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,315 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 00:21:58,316 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111029446] [2019-11-28 00:21:58,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:58,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705122034] [2019-11-28 00:21:58,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:58,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:58,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:58,342 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2019-11-28 00:21:58,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,383 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2019-11-28 00:21:58,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:58,384 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:58,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,396 INFO L225 Difference]: With dead ends: 180 [2019-11-28 00:21:58,396 INFO L226 Difference]: Without dead ends: 89 [2019-11-28 00:21:58,400 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 00:21:58,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-28 00:21:58,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-11-28 00:21:58,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-28 00:21:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2019-11-28 00:21:58,442 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2019-11-28 00:21:58,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,443 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2019-11-28 00:21:58,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:58,443 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2019-11-28 00:21:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:58,444 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,445 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 00:21:58,445 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,445 INFO L82 PathProgramCache]: Analyzing trace with hash 352621777, now seen corresponding path program 1 times [2019-11-28 00:21:58,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367081795] [2019-11-28 00:21:58,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,559 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 00:21:58,561 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367081795] [2019-11-28 00:21:58,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:58,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655393162] [2019-11-28 00:21:58,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:58,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:58,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:58,566 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2019-11-28 00:21:58,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,603 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2019-11-28 00:21:58,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:58,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:58,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,606 INFO L225 Difference]: With dead ends: 89 [2019-11-28 00:21:58,607 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 00:21:58,608 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 00:21:58,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 00:21:58,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-28 00:21:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-28 00:21:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2019-11-28 00:21:58,616 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2019-11-28 00:21:58,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,616 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2019-11-28 00:21:58,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:58,617 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2019-11-28 00:21:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:58,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,620 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] [2019-11-28 00:21:58,621 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2019-11-28 00:21:58,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251721607] [2019-11-28 00:21:58,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,811 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 00:21:58,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251721607] [2019-11-28 00:21:58,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:58,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692118818] [2019-11-28 00:21:58,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:58,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:58,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:58,815 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 5 states. [2019-11-28 00:21:58,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,885 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2019-11-28 00:21:58,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:58,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 00:21:58,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,887 INFO L225 Difference]: With dead ends: 72 [2019-11-28 00:21:58,887 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 00:21:58,888 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 00:21:58,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 00:21:58,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-28 00:21:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-28 00:21:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-11-28 00:21:58,895 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2019-11-28 00:21:58,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,896 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-28 00:21:58,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:58,896 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-11-28 00:21:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 00:21:58,897 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,898 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,898 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,899 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2019-11-28 00:21:58,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100053641] [2019-11-28 00:21:58,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,021 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 00:21:59,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100053641] [2019-11-28 00:21:59,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:59,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:59,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289123071] [2019-11-28 00:21:59,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:59,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:59,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:59,025 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2019-11-28 00:21:59,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,052 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2019-11-28 00:21:59,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:59,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 00:21:59,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,054 INFO L225 Difference]: With dead ends: 95 [2019-11-28 00:21:59,054 INFO L226 Difference]: Without dead ends: 62 [2019-11-28 00:21:59,055 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 00:21:59,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-28 00:21:59,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-11-28 00:21:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 00:21:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2019-11-28 00:21:59,065 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2019-11-28 00:21:59,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,065 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2019-11-28 00:21:59,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2019-11-28 00:21:59,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 00:21:59,067 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,067 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] [2019-11-28 00:21:59,068 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:59,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:59,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2019-11-28 00:21:59,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:59,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948695837] [2019-11-28 00:21:59,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,177 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 00:21:59,178 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948695837] [2019-11-28 00:21:59,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:59,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:59,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044247592] [2019-11-28 00:21:59,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:59,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:59,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:59,181 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2019-11-28 00:21:59,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,354 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2019-11-28 00:21:59,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:59,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 00:21:59,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,358 INFO L225 Difference]: With dead ends: 314 [2019-11-28 00:21:59,358 INFO L226 Difference]: Without dead ends: 260 [2019-11-28 00:21:59,359 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 00:21:59,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-11-28 00:21:59,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2019-11-28 00:21:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-28 00:21:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2019-11-28 00:21:59,404 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2019-11-28 00:21:59,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,404 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2019-11-28 00:21:59,405 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:59,405 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2019-11-28 00:21:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:59,406 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,406 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] [2019-11-28 00:21:59,407 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:59,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:59,407 INFO L82 PathProgramCache]: Analyzing trace with hash -785377999, now seen corresponding path program 1 times [2019-11-28 00:21:59,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:59,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76123644] [2019-11-28 00:21:59,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,586 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 00:21:59,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76123644] [2019-11-28 00:21:59,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:59,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:59,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173292632] [2019-11-28 00:21:59,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:59,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:59,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:59,590 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 5 states. [2019-11-28 00:21:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,792 INFO L93 Difference]: Finished difference Result 446 states and 639 transitions. [2019-11-28 00:21:59,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:59,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:59,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,799 INFO L225 Difference]: With dead ends: 446 [2019-11-28 00:21:59,801 INFO L226 Difference]: Without dead ends: 392 [2019-11-28 00:21:59,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-11-28 00:21:59,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 152. [2019-11-28 00:21:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 00:21:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 210 transitions. [2019-11-28 00:21:59,859 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 210 transitions. Word has length 32 [2019-11-28 00:21:59,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,860 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 210 transitions. [2019-11-28 00:21:59,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 210 transitions. [2019-11-28 00:21:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:59,862 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,863 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] [2019-11-28 00:21:59,863 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:59,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:59,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2019-11-28 00:21:59,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:59,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173057393] [2019-11-28 00:21:59,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,923 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 00:21:59,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173057393] [2019-11-28 00:21:59,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:59,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:59,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72461731] [2019-11-28 00:21:59,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:21:59,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:21:59,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:59,926 INFO L87 Difference]: Start difference. First operand 152 states and 210 transitions. Second operand 4 states. [2019-11-28 00:21:59,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,990 INFO L93 Difference]: Finished difference Result 428 states and 599 transitions. [2019-11-28 00:21:59,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:59,991 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-28 00:21:59,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,994 INFO L225 Difference]: With dead ends: 428 [2019-11-28 00:21:59,994 INFO L226 Difference]: Without dead ends: 326 [2019-11-28 00:21:59,995 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:59,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-11-28 00:22:00,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 152. [2019-11-28 00:22:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 00:22:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 209 transitions. [2019-11-28 00:22:00,020 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 209 transitions. Word has length 32 [2019-11-28 00:22:00,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:00,021 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 209 transitions. [2019-11-28 00:22:00,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:22:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2019-11-28 00:22:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:22:00,023 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:00,024 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] [2019-11-28 00:22:00,024 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:00,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:00,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2019-11-28 00:22:00,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:00,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47188835] [2019-11-28 00:22:00,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:00,083 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 00:22:00,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47188835] [2019-11-28 00:22:00,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:00,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:00,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819851801] [2019-11-28 00:22:00,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:00,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:00,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:00,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:00,086 INFO L87 Difference]: Start difference. First operand 152 states and 209 transitions. Second operand 5 states. [2019-11-28 00:22:00,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:00,161 INFO L93 Difference]: Finished difference Result 461 states and 640 transitions. [2019-11-28 00:22:00,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:00,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:22:00,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:00,165 INFO L225 Difference]: With dead ends: 461 [2019-11-28 00:22:00,165 INFO L226 Difference]: Without dead ends: 315 [2019-11-28 00:22:00,166 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 00:22:00,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-11-28 00:22:00,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 158. [2019-11-28 00:22:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-28 00:22:00,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 214 transitions. [2019-11-28 00:22:00,187 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 214 transitions. Word has length 32 [2019-11-28 00:22:00,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:00,187 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 214 transitions. [2019-11-28 00:22:00,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 214 transitions. [2019-11-28 00:22:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 00:22:00,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:00,189 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] [2019-11-28 00:22:00,189 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:00,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:00,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2019-11-28 00:22:00,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:00,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313289944] [2019-11-28 00:22:00,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:00,270 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 00:22:00,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313289944] [2019-11-28 00:22:00,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:00,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:00,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607043291] [2019-11-28 00:22:00,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:22:00,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:00,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:22:00,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:22:00,275 INFO L87 Difference]: Start difference. First operand 158 states and 214 transitions. Second operand 6 states. [2019-11-28 00:22:00,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:00,618 INFO L93 Difference]: Finished difference Result 1169 states and 1572 transitions. [2019-11-28 00:22:00,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 00:22:00,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 00:22:00,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:00,624 INFO L225 Difference]: With dead ends: 1169 [2019-11-28 00:22:00,625 INFO L226 Difference]: Without dead ends: 1017 [2019-11-28 00:22:00,626 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-28 00:22:00,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2019-11-28 00:22:00,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 296. [2019-11-28 00:22:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-28 00:22:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 395 transitions. [2019-11-28 00:22:00,667 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 395 transitions. Word has length 35 [2019-11-28 00:22:00,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:00,668 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 395 transitions. [2019-11-28 00:22:00,668 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 395 transitions. [2019-11-28 00:22:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 00:22:00,669 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:00,670 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] [2019-11-28 00:22:00,670 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:00,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:00,671 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2019-11-28 00:22:00,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:00,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462771256] [2019-11-28 00:22:00,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:00,727 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 00:22:00,727 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462771256] [2019-11-28 00:22:00,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:00,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:00,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235987717] [2019-11-28 00:22:00,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:00,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:00,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:00,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:00,729 INFO L87 Difference]: Start difference. First operand 296 states and 395 transitions. Second operand 5 states. [2019-11-28 00:22:00,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:00,865 INFO L93 Difference]: Finished difference Result 704 states and 959 transitions. [2019-11-28 00:22:00,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:00,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-11-28 00:22:00,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:00,867 INFO L225 Difference]: With dead ends: 704 [2019-11-28 00:22:00,868 INFO L226 Difference]: Without dead ends: 158 [2019-11-28 00:22:00,869 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 00:22:00,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-28 00:22:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 97. [2019-11-28 00:22:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-28 00:22:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2019-11-28 00:22:00,884 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 35 [2019-11-28 00:22:00,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:00,884 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2019-11-28 00:22:00,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2019-11-28 00:22:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:22:00,886 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:00,886 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] [2019-11-28 00:22:00,886 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:00,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:00,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2019-11-28 00:22:00,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:00,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660643619] [2019-11-28 00:22:00,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:00,959 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 00:22:00,959 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660643619] [2019-11-28 00:22:00,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:00,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 00:22:00,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755541744] [2019-11-28 00:22:00,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 00:22:00,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:00,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 00:22:00,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:00,961 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand 7 states. [2019-11-28 00:22:01,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:01,166 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2019-11-28 00:22:01,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 00:22:01,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-28 00:22:01,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:01,167 INFO L225 Difference]: With dead ends: 281 [2019-11-28 00:22:01,167 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:01,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2019-11-28 00:22:01,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:01,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:01,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:01,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2019-11-28 00:22:01,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:01,170 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:01,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 00:22:01,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:01,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:01,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:01,366 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2019-11-28 00:22:01,703 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 105 [2019-11-28 00:22:02,152 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 167 [2019-11-28 00:22:02,560 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 167 [2019-11-28 00:22:02,770 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 111 [2019-11-28 00:22:03,031 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 154 [2019-11-28 00:22:03,386 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2019-11-28 00:22:03,639 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 144 [2019-11-28 00:22:04,133 WARN L192 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 42 [2019-11-28 00:22:04,826 WARN L192 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 27 [2019-11-28 00:22:05,130 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-11-28 00:22:06,097 WARN L192 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2019-11-28 00:22:07,007 WARN L192 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2019-11-28 00:22:07,308 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2019-11-28 00:22:07,875 WARN L192 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 47 [2019-11-28 00:22:08,821 WARN L192 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2019-11-28 00:22:09,089 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 21 [2019-11-28 00:22:10,111 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2019-11-28 00:22:10,219 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2019-11-28 00:22:10,899 WARN L192 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 31 [2019-11-28 00:22:10,905 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2019-11-28 00:22:10,905 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-28 00:22:10,906 INFO L242 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse4 .cse2 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 (= 1 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) .cse4 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)))) [2019-11-28 00:22:10,906 INFO L242 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: false [2019-11-28 00:22:10,906 INFO L242 CegarLoopResult]: At program point L234-2(lines 234 240) the Hoare annotation is: false [2019-11-28 00:22:10,907 INFO L246 CegarLoopResult]: For program point L482(lines 482 488) no Hoare annotation was computed. [2019-11-28 00:22:10,907 INFO L246 CegarLoopResult]: For program point L482-1(lines 482 488) no Hoare annotation was computed. [2019-11-28 00:22:10,907 INFO L246 CegarLoopResult]: For program point L482-2(lines 482 488) no Hoare annotation was computed. [2019-11-28 00:22:10,907 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:10,907 INFO L246 CegarLoopResult]: For program point L185(lines 185 198) no Hoare annotation was computed. [2019-11-28 00:22:10,908 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-28 00:22:10,908 INFO L242 CegarLoopResult]: At program point L532(lines 527 535) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:10,908 INFO L246 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed. [2019-11-28 00:22:10,908 INFO L246 CegarLoopResult]: For program point L912-2(lines 912 932) no Hoare annotation was computed. [2019-11-28 00:22:10,908 INFO L246 CegarLoopResult]: For program point L912-4(lines 912 932) no Hoare annotation was computed. [2019-11-28 00:22:10,909 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:10,909 INFO L246 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2019-11-28 00:22:10,909 INFO L242 CegarLoopResult]: At program point L203(lines 154 204) the Hoare annotation is: false [2019-11-28 00:22:10,909 INFO L242 CegarLoopResult]: At program point L385(lines 370 388) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) .cse2 .cse3 .cse4 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)))) [2019-11-28 00:22:10,910 INFO L242 CegarLoopResult]: At program point L385-1(lines 370 388) the Hoare annotation is: false [2019-11-28 00:22:10,910 INFO L242 CegarLoopResult]: At program point L385-2(lines 370 388) the Hoare annotation is: false [2019-11-28 00:22:10,910 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-28 00:22:10,910 INFO L246 CegarLoopResult]: For program point L56-1(lines 227 233) no Hoare annotation was computed. [2019-11-28 00:22:10,910 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-28 00:22:10,911 INFO L242 CegarLoopResult]: At program point L321(lines 314 324) the Hoare annotation is: (let ((.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse5 (<= ~waterLevel~0 1)) (.cse1 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (not .cse2)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse14 (= 1 ULTIMATE.start_processEnvironment_~tmp~2)) (.cse11 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (.cse12 (= 1 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse10 (not .cse4)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse15 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse3 .cse5 .cse6 .cse7 .cse10 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse12 .cse13 .cse0 .cse14 .cse6 .cse7 .cse8 .cse15) (and .cse13 .cse0 .cse9 .cse3 .cse14 .cse11 .cse12 .cse6 .cse7 .cse10 .cse8 .cse15)))) [2019-11-28 00:22:10,911 INFO L242 CegarLoopResult]: At program point L321-1(lines 314 324) the Hoare annotation is: false [2019-11-28 00:22:10,911 INFO L242 CegarLoopResult]: At program point L321-2(lines 314 324) the Hoare annotation is: false [2019-11-28 00:22:10,911 INFO L246 CegarLoopResult]: For program point L156(lines 155 202) no Hoare annotation was computed. [2019-11-28 00:22:10,912 INFO L242 CegarLoopResult]: At program point L487(lines 478 491) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-28 00:22:10,912 INFO L242 CegarLoopResult]: At program point L487-1(lines 478 491) the Hoare annotation is: false [2019-11-28 00:22:10,912 INFO L242 CegarLoopResult]: At program point L487-2(lines 478 491) the Hoare annotation is: false [2019-11-28 00:22:10,912 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:10,912 INFO L246 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-11-28 00:22:10,913 INFO L246 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2019-11-28 00:22:10,913 INFO L246 CegarLoopResult]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2019-11-28 00:22:10,913 INFO L246 CegarLoopResult]: For program point L405-6(lines 405 409) no Hoare annotation was computed. [2019-11-28 00:22:10,913 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2019-11-28 00:22:10,913 INFO L246 CegarLoopResult]: For program point L918(lines 918 931) no Hoare annotation was computed. [2019-11-28 00:22:10,914 INFO L242 CegarLoopResult]: At program point L918-1(lines 1 935) the Hoare annotation is: (let ((.cse10 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8))) (.cse2 (not .cse9)) (.cse7 (not .cse10)) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse3 (= ~pumpRunning~0 1) .cse6 .cse8 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse1 .cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse2 (= 1 ULTIMATE.start_processEnvironment_~tmp~2) .cse5 .cse6 .cse7 .cse8 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and .cse0 .cse9 .cse3 .cse10 .cse4 .cse5 .cse6 .cse8) (and .cse0 .cse9 (= 1 ~waterLevel~0) .cse3 .cse5 .cse6 .cse8)))) [2019-11-28 00:22:10,914 INFO L246 CegarLoopResult]: For program point L918-2(lines 918 931) no Hoare annotation was computed. [2019-11-28 00:22:10,914 INFO L242 CegarLoopResult]: At program point L918-3(lines 1 935) the Hoare annotation is: false [2019-11-28 00:22:10,914 INFO L246 CegarLoopResult]: For program point L918-4(lines 918 931) no Hoare annotation was computed. [2019-11-28 00:22:10,914 INFO L242 CegarLoopResult]: At program point L918-5(lines 1 935) the Hoare annotation is: false [2019-11-28 00:22:10,915 INFO L246 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-11-28 00:22:10,915 INFO L242 CegarLoopResult]: At program point L175-1(lines 175 181) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2019-11-28 00:22:10,915 INFO L246 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-11-28 00:22:10,915 INFO L246 CegarLoopResult]: For program point L259-1(lines 259 276) no Hoare annotation was computed. [2019-11-28 00:22:10,915 INFO L246 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-11-28 00:22:10,916 INFO L246 CegarLoopResult]: For program point L259-2(lines 259 276) no Hoare annotation was computed. [2019-11-28 00:22:10,916 INFO L242 CegarLoopResult]: At program point L193-2(lines 227 233) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2019-11-28 00:22:10,916 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:10,916 INFO L242 CegarLoopResult]: At program point L474(lines 469 477) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 (= 0 ~methaneLevelCritical~0) (<= |ULTIMATE.start_getWaterLevel_#res| 1) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse2 .cse3))) [2019-11-28 00:22:10,917 INFO L242 CegarLoopResult]: At program point L474-1(lines 469 477) the Hoare annotation is: false [2019-11-28 00:22:10,917 INFO L242 CegarLoopResult]: At program point L474-2(lines 469 477) the Hoare annotation is: false [2019-11-28 00:22:10,917 INFO L242 CegarLoopResult]: At program point L524(lines 1 935) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:10,917 INFO L242 CegarLoopResult]: At program point L227(lines 226 245) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)))) [2019-11-28 00:22:10,917 INFO L246 CegarLoopResult]: For program point L227-1(lines 227 233) no Hoare annotation was computed. [2019-11-28 00:22:10,918 INFO L242 CegarLoopResult]: At program point L227-2(lines 226 245) the Hoare annotation is: false [2019-11-28 00:22:10,918 INFO L242 CegarLoopResult]: At program point L227-3(lines 226 245) the Hoare annotation is: false [2019-11-28 00:22:10,918 INFO L242 CegarLoopResult]: At program point L442(lines 437 445) the Hoare annotation is: (let ((.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse12 (<= ~waterLevel~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse13 (not .cse2)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse5 (= 1 ULTIMATE.start_processEnvironment_~tmp~2)) (.cse6 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (.cse7 (= 1 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (not (= 0 ~systemActive~0))) (.cse14 (not .cse4)) (.cse10 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse11 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse1 .cse2 .cse3 .cse4 .cse12 .cse8 .cse9 .cse10) (and .cse1 .cse13 .cse3 .cse12 .cse8 .cse9 .cse14 .cse10) (and .cse0 .cse1 .cse13 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse14 .cse10 .cse11)))) [2019-11-28 00:22:10,919 INFO L242 CegarLoopResult]: At program point L442-1(lines 437 445) the Hoare annotation is: (let ((.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ~methaneLevelCritical~0))) (let ((.cse6 (<= ~waterLevel~0 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not .cse4)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse9 (not .cse5)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse7 .cse2 .cse3) (and .cse0 .cse8 .cse1 .cse6 .cse7 .cse2 .cse9 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse8 .cse1 (= 1 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) .cse7 .cse2 .cse9 .cse3 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))))) [2019-11-28 00:22:10,919 INFO L242 CegarLoopResult]: At program point L442-2(lines 437 445) the Hoare annotation is: false [2019-11-28 00:22:10,919 INFO L242 CegarLoopResult]: At program point L442-3(lines 437 445) the Hoare annotation is: false [2019-11-28 00:22:10,919 INFO L242 CegarLoopResult]: At program point L442-4(lines 437 445) the Hoare annotation is: false [2019-11-28 00:22:10,919 INFO L242 CegarLoopResult]: At program point L442-5(lines 437 445) the Hoare annotation is: false [2019-11-28 00:22:10,920 INFO L246 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2019-11-28 00:22:10,920 INFO L246 CegarLoopResult]: For program point L922-2(lines 922 928) no Hoare annotation was computed. [2019-11-28 00:22:10,920 INFO L246 CegarLoopResult]: For program point L922-4(lines 922 928) no Hoare annotation was computed. [2019-11-28 00:22:10,920 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-28 00:22:10,920 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-28 00:22:10,921 INFO L246 CegarLoopResult]: For program point L296(lines 296 302) no Hoare annotation was computed. [2019-11-28 00:22:10,921 INFO L246 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-11-28 00:22:10,921 INFO L246 CegarLoopResult]: For program point L263-1(lines 263 271) no Hoare annotation was computed. [2019-11-28 00:22:10,921 INFO L246 CegarLoopResult]: For program point L296-2(lines 296 302) no Hoare annotation was computed. [2019-11-28 00:22:10,921 INFO L246 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2019-11-28 00:22:10,921 INFO L246 CegarLoopResult]: For program point L296-4(lines 296 302) no Hoare annotation was computed. [2019-11-28 00:22:10,922 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:10,922 INFO L246 CegarLoopResult]: For program point L379(lines 379 383) no Hoare annotation was computed. [2019-11-28 00:22:10,922 INFO L246 CegarLoopResult]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2019-11-28 00:22:10,922 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2019-11-28 00:22:10,922 INFO L246 CegarLoopResult]: For program point L379-3(lines 379 383) no Hoare annotation was computed. [2019-11-28 00:22:10,923 INFO L246 CegarLoopResult]: For program point L379-5(lines 379 383) no Hoare annotation was computed. [2019-11-28 00:22:10,923 INFO L246 CegarLoopResult]: For program point L379-6(lines 379 383) no Hoare annotation was computed. [2019-11-28 00:22:10,923 INFO L246 CegarLoopResult]: For program point L379-8(lines 379 383) no Hoare annotation was computed. [2019-11-28 00:22:10,923 INFO L246 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2019-11-28 00:22:10,923 INFO L242 CegarLoopResult]: At program point L330(lines 325 333) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_activatePump_~tmp~3)) [2019-11-28 00:22:10,923 INFO L242 CegarLoopResult]: At program point L330-1(lines 325 333) the Hoare annotation is: false [2019-11-28 00:22:10,924 INFO L242 CegarLoopResult]: At program point L330-2(lines 325 333) the Hoare annotation is: false [2019-11-28 00:22:10,924 INFO L246 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-11-28 00:22:10,924 INFO L242 CegarLoopResult]: At program point L165-1(lines 165 171) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) .cse1 .cse4 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse4 .cse2 .cse3))) [2019-11-28 00:22:10,924 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-28 00:22:10,924 INFO L246 CegarLoopResult]: For program point L497-1(line 497) no Hoare annotation was computed. [2019-11-28 00:22:10,925 INFO L246 CegarLoopResult]: For program point L497-2(line 497) no Hoare annotation was computed. [2019-11-28 00:22:10,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:10 BoogieIcfgContainer [2019-11-28 00:22:10,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:10,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:10,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:10,963 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:10,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:57" (3/4) ... [2019-11-28 00:22:10,967 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:10,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:10,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:10,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:10,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:10,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:10,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:10,991 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:11,023 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 00:22:11,024 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 00:22:11,024 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && !(0 == tmp)) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp)) || ((((((((((((!(0 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && \result == 0) && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:22:11,025 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((((\result == 1 && !(0 == tmp)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:22:11,025 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:22:11,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:22:11,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) [2019-11-28 00:22:11,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 00:22:11,027 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 00:22:11,028 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 0 && \result == 1) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:22:11,029 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((((((\result == 1 && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 00:22:11,029 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 0 && \result == 1) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 00:22:11,030 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp [2019-11-28 00:22:11,031 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\result == 0 && \result == 1) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 00:22:11,031 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && 0 == \result) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((((((0 == \result && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && 0 == tmp) && 1 == \result) && \result == 0) && \result == 1) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 00:22:11,092 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:11,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:11,094 INFO L168 Benchmark]: Toolchain (without parser) took 14879.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 382.7 MB). Free memory was 956.3 MB in the beginning and 939.8 MB in the end (delta: 16.6 MB). Peak memory consumption was 399.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,094 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:11,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.39 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. [2019-11-28 00:22:11,095 INFO L168 Benchmark]: Boogie Preprocessor took 50.91 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 00:22:11,096 INFO L168 Benchmark]: RCFGBuilder took 999.08 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: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,096 INFO L168 Benchmark]: TraceAbstraction took 12993.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.3 MB). Free memory was 1.0 GB in the beginning and 951.3 MB in the end (delta: 87.1 MB). Peak memory consumption was 407.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,097 INFO L168 Benchmark]: Witness Printer took 130.35 ms. Allocated memory is still 1.4 GB. Free memory was 951.3 MB in the beginning and 939.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 610.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.39 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 50.91 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 999.08 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: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12993.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.3 MB). Free memory was 1.0 GB in the beginning and 951.3 MB in the end (delta: 87.1 MB). Peak memory consumption was 407.1 MB. Max. memory is 11.5 GB. * Witness Printer took 130.35 ms. Allocated memory is still 1.4 GB. Free memory was 951.3 MB in the beginning and 939.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 497]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 497]: 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: 437]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 0 && \result == 1) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && 0 == \result) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((((((0 == \result && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && 0 == tmp) && 1 == \result) && \result == 0) && \result == 1) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (((((((((((((\result == 0 && \result == 1) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && !(0 == tmp)) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp)) || ((((((((((((!(0 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && \result == 0) && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 0 && \result == 1) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((((((\result == 1 && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((((\result == 1 && !(0 == tmp)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, HoareTripleCheckerStatistics: 996 SDtfs, 1538 SDslu, 1746 SDs, 0 SdLazy, 255 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1509 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 227 NumberOfFragments, 1033 HoareAnnotationTreeSize, 40 FomulaSimplifications, 769539 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 40 FomulaSimplificationsInter, 195897 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 16827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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...