./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product41.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 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:27:42,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:42,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:42,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:42,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:42,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:42,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:42,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:42,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:42,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:42,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:42,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:42,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:43,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:43,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:43,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:43,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:43,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:43,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:43,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:43,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:43,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:43,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:43,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:43,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:43,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:43,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:43,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:43,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:43,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:43,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:43,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:43,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:43,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:43,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:43,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:43,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:43,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:43,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:43,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:43,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:43,043 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:43,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:43,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:43,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:43,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:43,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:43,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:43,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:43,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:43,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:43,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:43,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:43,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:43,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:43,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:43,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:43,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:43,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:43,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:43,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:43,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:43,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:43,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:43,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:43,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:43,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:43,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:43,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:43,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:43,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:43,076 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 -> 5f4fa6f1cc0ba42b6f98a2dfe04ac0e8501306bf [2019-11-28 17:27:43,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:43,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:43,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:43,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:43,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:43,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2019-11-28 17:27:43,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/160620803/f7042e10da514c5895edc3ecc570d0a9/FLAGb64c8c46e [2019-11-28 17:27:44,071 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:44,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2019-11-28 17:27:44,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/160620803/f7042e10da514c5895edc3ecc570d0a9/FLAGb64c8c46e [2019-11-28 17:27:44,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/160620803/f7042e10da514c5895edc3ecc570d0a9 [2019-11-28 17:27:44,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:44,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:44,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:44,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:44,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:44,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:44" (1/1) ... [2019-11-28 17:27:44,366 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 05:27:44, skipping insertion in model container [2019-11-28 17:27:44,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:44" (1/1) ... [2019-11-28 17:27:44,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:44,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:44,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:44,917 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:45,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:45,074 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:45,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45 WrapperNode [2019-11-28 17:27:45,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:45,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:45,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:45,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:45,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:45,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:45,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:45,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:45,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (1/1) ... [2019-11-28 17:27:45,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:45,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:45,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:45,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:45,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (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 17:27:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:46,156 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:46,157 INFO L287 CfgBuilder]: Removed 128 assume(true) statements. [2019-11-28 17:27:46,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:46 BoogieIcfgContainer [2019-11-28 17:27:46,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:46,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:46,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:46,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:46,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:44" (1/3) ... [2019-11-28 17:27:46,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8be306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:46, skipping insertion in model container [2019-11-28 17:27:46,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:45" (2/3) ... [2019-11-28 17:27:46,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8be306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:46, skipping insertion in model container [2019-11-28 17:27:46,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:46" (3/3) ... [2019-11-28 17:27:46,173 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2019-11-28 17:27:46,183 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:46,190 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:46,201 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:46,227 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:46,228 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:46,228 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:46,229 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:46,229 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:46,229 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:46,229 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:46,230 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-11-28 17:27:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:27:46,256 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:46,256 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 17:27:46,257 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:46,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:46,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2019-11-28 17:27:46,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:46,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326384554] [2019-11-28 17:27:46,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:46,585 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 17:27:46,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326384554] [2019-11-28 17:27:46,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:46,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:46,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318882754] [2019-11-28 17:27:46,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:46,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:46,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:46,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:46,609 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2019-11-28 17:27:46,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:46,677 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2019-11-28 17:27:46,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:46,680 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 17:27:46,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:46,702 INFO L225 Difference]: With dead ends: 185 [2019-11-28 17:27:46,703 INFO L226 Difference]: Without dead ends: 92 [2019-11-28 17:27:46,711 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 17:27:46,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-28 17:27:46,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-28 17:27:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-28 17:27:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2019-11-28 17:27:46,805 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2019-11-28 17:27:46,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:46,806 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-11-28 17:27:46,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2019-11-28 17:27:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 17:27:46,811 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:46,811 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:46,812 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:46,813 INFO L82 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2019-11-28 17:27:46,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:46,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478886786] [2019-11-28 17:27:46,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:46,974 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 17:27:46,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478886786] [2019-11-28 17:27:46,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:46,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:46,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094334701] [2019-11-28 17:27:46,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:46,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:46,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:46,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:46,979 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2019-11-28 17:27:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:46,991 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2019-11-28 17:27:46,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:46,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 17:27:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:46,994 INFO L225 Difference]: With dead ends: 92 [2019-11-28 17:27:46,994 INFO L226 Difference]: Without dead ends: 41 [2019-11-28 17:27:46,996 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 17:27:46,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-28 17:27:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-28 17:27:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-28 17:27:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2019-11-28 17:27:47,002 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2019-11-28 17:27:47,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:47,003 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2019-11-28 17:27:47,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:47,004 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2019-11-28 17:27:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:27:47,005 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:47,005 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:47,006 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:47,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:47,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2019-11-28 17:27:47,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:47,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792556626] [2019-11-28 17:27:47,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:47,122 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 17:27:47,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792556626] [2019-11-28 17:27:47,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:47,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:47,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21465879] [2019-11-28 17:27:47,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:47,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:47,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:47,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:47,125 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2019-11-28 17:27:47,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:47,136 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2019-11-28 17:27:47,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:47,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:27:47,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:47,137 INFO L225 Difference]: With dead ends: 75 [2019-11-28 17:27:47,138 INFO L226 Difference]: Without dead ends: 41 [2019-11-28 17:27:47,138 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 17:27:47,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-28 17:27:47,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-28 17:27:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-28 17:27:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2019-11-28 17:27:47,144 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2019-11-28 17:27:47,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:47,145 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2019-11-28 17:27:47,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2019-11-28 17:27:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:27:47,146 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:47,147 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:47,147 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:47,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:47,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2019-11-28 17:27:47,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:47,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766556205] [2019-11-28 17:27:47,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:47,225 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 17:27:47,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766556205] [2019-11-28 17:27:47,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:47,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:47,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555203622] [2019-11-28 17:27:47,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:47,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:47,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:47,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:47,228 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2019-11-28 17:27:47,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:47,273 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2019-11-28 17:27:47,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:47,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-28 17:27:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:47,275 INFO L225 Difference]: With dead ends: 99 [2019-11-28 17:27:47,276 INFO L226 Difference]: Without dead ends: 65 [2019-11-28 17:27:47,276 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 17:27:47,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-28 17:27:47,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2019-11-28 17:27:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 17:27:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2019-11-28 17:27:47,286 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2019-11-28 17:27:47,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:47,287 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2019-11-28 17:27:47,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2019-11-28 17:27:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:27:47,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:47,289 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:47,290 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:47,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:47,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2019-11-28 17:27:47,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:47,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080090001] [2019-11-28 17:27:47,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:47,397 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 17:27:47,397 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080090001] [2019-11-28 17:27:47,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:47,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:47,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204907759] [2019-11-28 17:27:47,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:47,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:47,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:47,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:47,400 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2019-11-28 17:27:47,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:47,545 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2019-11-28 17:27:47,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:47,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:27:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:47,547 INFO L225 Difference]: With dead ends: 216 [2019-11-28 17:27:47,547 INFO L226 Difference]: Without dead ends: 160 [2019-11-28 17:27:47,548 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:47,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-28 17:27:47,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-11-28 17:27:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-28 17:27:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2019-11-28 17:27:47,561 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2019-11-28 17:27:47,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:47,562 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2019-11-28 17:27:47,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:47,563 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-11-28 17:27:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:27:47,564 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:47,564 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 17:27:47,565 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:47,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:47,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2019-11-28 17:27:47,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:47,566 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011780942] [2019-11-28 17:27:47,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:47,628 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 17:27:47,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011780942] [2019-11-28 17:27:47,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:47,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:47,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183554016] [2019-11-28 17:27:47,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:47,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:47,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:47,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:47,632 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2019-11-28 17:27:47,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:47,692 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2019-11-28 17:27:47,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:47,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 17:27:47,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:47,694 INFO L225 Difference]: With dead ends: 161 [2019-11-28 17:27:47,694 INFO L226 Difference]: Without dead ends: 106 [2019-11-28 17:27:47,695 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 17:27:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-28 17:27:47,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2019-11-28 17:27:47,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 17:27:47,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2019-11-28 17:27:47,706 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2019-11-28 17:27:47,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:47,706 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2019-11-28 17:27:47,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:47,707 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2019-11-28 17:27:47,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:27:47,708 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:47,709 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 17:27:47,709 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:47,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:47,710 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2019-11-28 17:27:47,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:47,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144580158] [2019-11-28 17:27:47,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:47,764 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 17:27:47,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144580158] [2019-11-28 17:27:47,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:47,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:47,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446928549] [2019-11-28 17:27:47,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:27:47,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:47,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:27:47,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:27:47,767 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 4 states. [2019-11-28 17:27:47,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:47,802 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2019-11-28 17:27:47,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:27:47,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-28 17:27:47,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:47,804 INFO L225 Difference]: With dead ends: 149 [2019-11-28 17:27:47,804 INFO L226 Difference]: Without dead ends: 91 [2019-11-28 17:27:47,805 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 17:27:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-11-28 17:27:47,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 67. [2019-11-28 17:27:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-28 17:27:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2019-11-28 17:27:47,815 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2019-11-28 17:27:47,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:47,816 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2019-11-28 17:27:47,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:27:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2019-11-28 17:27:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:27:47,818 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:47,818 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 17:27:47,818 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:47,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:47,819 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2019-11-28 17:27:47,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:47,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243364442] [2019-11-28 17:27:47,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:47,879 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 17:27:47,881 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243364442] [2019-11-28 17:27:47,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:47,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:47,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000454710] [2019-11-28 17:27:47,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:47,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:47,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:47,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:47,883 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2019-11-28 17:27:47,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:47,918 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2019-11-28 17:27:47,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:47,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-28 17:27:47,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:47,920 INFO L225 Difference]: With dead ends: 154 [2019-11-28 17:27:47,920 INFO L226 Difference]: Without dead ends: 94 [2019-11-28 17:27:47,921 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:47,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-28 17:27:47,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-11-28 17:27:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-28 17:27:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2019-11-28 17:27:47,946 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2019-11-28 17:27:47,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:47,947 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2019-11-28 17:27:47,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2019-11-28 17:27:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:27:47,953 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:47,954 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:47,955 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:47,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:47,956 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2019-11-28 17:27:47,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:47,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645259605] [2019-11-28 17:27:47,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:48,125 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 17:27:48,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645259605] [2019-11-28 17:27:48,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:48,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:27:48,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540445567] [2019-11-28 17:27:48,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:48,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:48,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:48,132 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 6 states. [2019-11-28 17:27:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:48,329 INFO L93 Difference]: Finished difference Result 339 states and 457 transitions. [2019-11-28 17:27:48,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:48,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-28 17:27:48,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:48,331 INFO L225 Difference]: With dead ends: 339 [2019-11-28 17:27:48,332 INFO L226 Difference]: Without dead ends: 279 [2019-11-28 17:27:48,332 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:48,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-11-28 17:27:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 135. [2019-11-28 17:27:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 17:27:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 174 transitions. [2019-11-28 17:27:48,354 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 174 transitions. Word has length 37 [2019-11-28 17:27:48,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:48,355 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 174 transitions. [2019-11-28 17:27:48,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 174 transitions. [2019-11-28 17:27:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 17:27:48,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:48,357 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:48,357 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:48,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:48,358 INFO L82 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2019-11-28 17:27:48,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:48,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485259987] [2019-11-28 17:27:48,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:48,436 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485259987] [2019-11-28 17:27:48,436 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691682578] [2019-11-28 17:27:48,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:48,678 INFO L264 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:27:48,686 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:48,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:48,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-28 17:27:48,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109627802] [2019-11-28 17:27:48,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:27:48,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:48,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:27:48,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:48,749 INFO L87 Difference]: Start difference. First operand 135 states and 174 transitions. Second operand 8 states. [2019-11-28 17:27:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:48,943 INFO L93 Difference]: Finished difference Result 242 states and 319 transitions. [2019-11-28 17:27:48,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:48,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-11-28 17:27:48,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:48,944 INFO L225 Difference]: With dead ends: 242 [2019-11-28 17:27:48,945 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:48,946 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:27:48,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:48,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:48,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-11-28 17:27:48,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:48,947 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:48,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:27:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:48,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:49,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:49,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:49,717 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2019-11-28 17:27:49,896 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2019-11-28 17:27:50,605 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2019-11-28 17:27:50,612 INFO L246 CegarLoopResult]: For program point L481(lines 480 525) no Hoare annotation was computed. [2019-11-28 17:27:50,612 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-28 17:27:50,612 INFO L242 CegarLoopResult]: At program point L465(lines 450 468) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= ~waterLevel~0 2) .cse1 .cse2))) [2019-11-28 17:27:50,612 INFO L242 CegarLoopResult]: At program point L465-1(lines 450 468) the Hoare annotation is: false [2019-11-28 17:27:50,613 INFO L242 CegarLoopResult]: At program point L465-2(lines 450 468) the Hoare annotation is: false [2019-11-28 17:27:50,614 INFO L246 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2019-11-28 17:27:50,614 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:27:50,614 INFO L246 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-11-28 17:27:50,615 INFO L242 CegarLoopResult]: At program point L70-1(lines 1 943) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= 2 ~waterLevel~0) .cse3 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse2))) [2019-11-28 17:27:50,615 INFO L246 CegarLoopResult]: For program point L516(lines 516 520) no Hoare annotation was computed. [2019-11-28 17:27:50,615 INFO L246 CegarLoopResult]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2019-11-28 17:27:50,615 INFO L242 CegarLoopResult]: At program point L70-3(lines 1 943) the Hoare annotation is: false [2019-11-28 17:27:50,615 INFO L246 CegarLoopResult]: For program point L516-2(lines 510 521) no Hoare annotation was computed. [2019-11-28 17:27:50,615 INFO L246 CegarLoopResult]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2019-11-28 17:27:50,615 INFO L242 CegarLoopResult]: At program point L70-5(lines 1 943) the Hoare annotation is: false [2019-11-28 17:27:50,616 INFO L242 CegarLoopResult]: At program point L186(lines 177 190) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= ~waterLevel~0 2) .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:50,617 INFO L242 CegarLoopResult]: At program point L186-1(lines 177 190) the Hoare annotation is: false [2019-11-28 17:27:50,617 INFO L242 CegarLoopResult]: At program point L186-2(lines 177 190) the Hoare annotation is: false [2019-11-28 17:27:50,617 INFO L246 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2019-11-28 17:27:50,618 INFO L242 CegarLoopResult]: At program point L500-1(lines 500 506) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse3 .cse2))) [2019-11-28 17:27:50,619 INFO L242 CegarLoopResult]: At program point L401(lines 394 404) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:50,619 INFO L242 CegarLoopResult]: At program point L401-1(lines 394 404) the Hoare annotation is: false [2019-11-28 17:27:50,620 INFO L242 CegarLoopResult]: At program point L401-2(lines 394 404) the Hoare annotation is: false [2019-11-28 17:27:50,620 INFO L246 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-11-28 17:27:50,620 INFO L246 CegarLoopResult]: For program point L104-3(lines 104 108) no Hoare annotation was computed. [2019-11-28 17:27:50,620 INFO L246 CegarLoopResult]: For program point L104-6(lines 104 108) no Hoare annotation was computed. [2019-11-28 17:27:50,620 INFO L242 CegarLoopResult]: At program point L253(lines 249 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:50,620 INFO L242 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2019-11-28 17:27:50,621 INFO L242 CegarLoopResult]: At program point L931(lines 926 934) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:50,621 INFO L246 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2019-11-28 17:27:50,621 INFO L242 CegarLoopResult]: At program point L173(lines 168 176) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) (= 2 ~waterLevel~0) .cse3 .cse2))) [2019-11-28 17:27:50,622 INFO L242 CegarLoopResult]: At program point L173-1(lines 168 176) the Hoare annotation is: false [2019-11-28 17:27:50,622 INFO L242 CegarLoopResult]: At program point L173-2(lines 168 176) the Hoare annotation is: false [2019-11-28 17:27:50,622 INFO L246 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-11-28 17:27:50,622 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-11-28 17:27:50,622 INFO L246 CegarLoopResult]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-11-28 17:27:50,622 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:27:50,623 INFO L246 CegarLoopResult]: For program point L339(lines 339 356) no Hoare annotation was computed. [2019-11-28 17:27:50,623 INFO L246 CegarLoopResult]: For program point L339-1(lines 339 356) no Hoare annotation was computed. [2019-11-28 17:27:50,623 INFO L246 CegarLoopResult]: For program point L339-2(lines 339 356) no Hoare annotation was computed. [2019-11-28 17:27:50,623 INFO L242 CegarLoopResult]: At program point L141(lines 136 144) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:50,623 INFO L242 CegarLoopResult]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2019-11-28 17:27:50,624 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-28 17:27:50,624 INFO L242 CegarLoopResult]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2019-11-28 17:27:50,624 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-11-28 17:27:50,624 INFO L246 CegarLoopResult]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-11-28 17:27:50,624 INFO L249 CegarLoopResult]: At program point L290(lines 271 293) the Hoare annotation is: true [2019-11-28 17:27:50,625 INFO L242 CegarLoopResult]: At program point L59(lines 307 313) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-28 17:27:50,625 INFO L242 CegarLoopResult]: At program point L59-1(lines 307 313) the Hoare annotation is: false [2019-11-28 17:27:50,626 INFO L242 CegarLoopResult]: At program point L59-2(lines 307 313) the Hoare annotation is: false [2019-11-28 17:27:50,626 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-28 17:27:50,626 INFO L242 CegarLoopResult]: At program point L307(lines 303 325) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-28 17:27:50,626 INFO L242 CegarLoopResult]: At program point L307-1(lines 303 325) the Hoare annotation is: false [2019-11-28 17:27:50,627 INFO L242 CegarLoopResult]: At program point L307-2(lines 303 325) the Hoare annotation is: false [2019-11-28 17:27:50,628 INFO L246 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-11-28 17:27:50,628 INFO L246 CegarLoopResult]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2019-11-28 17:27:50,629 INFO L246 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2019-11-28 17:27:50,629 INFO L242 CegarLoopResult]: At program point L490-1(lines 490 496) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse3 .cse2))) [2019-11-28 17:27:50,629 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:27:50,629 INFO L246 CegarLoopResult]: For program point L128(lines 128 132) no Hoare annotation was computed. [2019-11-28 17:27:50,629 INFO L246 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2019-11-28 17:27:50,630 INFO L246 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2019-11-28 17:27:50,630 INFO L246 CegarLoopResult]: For program point L343-1(lines 343 351) no Hoare annotation was computed. [2019-11-28 17:27:50,630 INFO L246 CegarLoopResult]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2019-11-28 17:27:50,631 INFO L246 CegarLoopResult]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2019-11-28 17:27:50,631 INFO L246 CegarLoopResult]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2019-11-28 17:27:50,631 INFO L246 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-11-28 17:27:50,631 INFO L246 CegarLoopResult]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2019-11-28 17:27:50,631 INFO L246 CegarLoopResult]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2019-11-28 17:27:50,631 INFO L246 CegarLoopResult]: For program point L459-5(lines 459 463) no Hoare annotation was computed. [2019-11-28 17:27:50,632 INFO L246 CegarLoopResult]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2019-11-28 17:27:50,632 INFO L246 CegarLoopResult]: For program point L459-8(lines 459 463) no Hoare annotation was computed. [2019-11-28 17:27:50,632 INFO L242 CegarLoopResult]: At program point L410(lines 405 413) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 .cse4 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse3 .cse4 .cse2))) [2019-11-28 17:27:50,632 INFO L242 CegarLoopResult]: At program point L410-1(lines 405 413) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-28 17:27:50,633 INFO L242 CegarLoopResult]: At program point L410-2(lines 405 413) the Hoare annotation is: false [2019-11-28 17:27:50,633 INFO L242 CegarLoopResult]: At program point L410-3(lines 405 413) the Hoare annotation is: false [2019-11-28 17:27:50,633 INFO L242 CegarLoopResult]: At program point L410-4(lines 405 413) the Hoare annotation is: false [2019-11-28 17:27:50,633 INFO L242 CegarLoopResult]: At program point L410-5(lines 405 413) the Hoare annotation is: false [2019-11-28 17:27:50,633 INFO L242 CegarLoopResult]: At program point L526(lines 479 527) the Hoare annotation is: false [2019-11-28 17:27:50,634 INFO L246 CegarLoopResult]: For program point L510(lines 510 521) no Hoare annotation was computed. [2019-11-28 17:27:50,634 INFO L242 CegarLoopResult]: At program point L923(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:50,634 INFO L246 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2019-11-28 17:27:50,634 INFO L246 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-11-28 17:27:50,634 INFO L246 CegarLoopResult]: For program point L940-2(line 940) no Hoare annotation was computed. [2019-11-28 17:27:50,634 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:27:50,635 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2019-11-28 17:27:50,635 INFO L246 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2019-11-28 17:27:50,635 INFO L246 CegarLoopResult]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2019-11-28 17:27:50,635 INFO L246 CegarLoopResult]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2019-11-28 17:27:50,635 INFO L242 CegarLoopResult]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:50,636 INFO L242 CegarLoopResult]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse3 .cse2))) [2019-11-28 17:27:50,636 INFO L246 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-11-28 17:27:50,636 INFO L242 CegarLoopResult]: At program point L314-1(lines 314 320) the Hoare annotation is: false [2019-11-28 17:27:50,636 INFO L242 CegarLoopResult]: At program point L314-2(lines 314 320) the Hoare annotation is: false [2019-11-28 17:27:50,636 INFO L249 CegarLoopResult]: At program point L281-1(lines 281 288) the Hoare annotation is: true [2019-11-28 17:27:50,637 INFO L246 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2019-11-28 17:27:50,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:27:50 BoogieIcfgContainer [2019-11-28 17:27:50,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:27:50,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:27:50,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:27:50,677 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:27:50,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:46" (3/4) ... [2019-11-28 17:27:50,681 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:27:50,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:27:50,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:27:50,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:27:50,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:27:50,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:27:50,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:50,704 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:50,736 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter) [2019-11-28 17:27:50,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 17:27:50,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 17:27:50,738 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-28 17:27:50,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-28 17:27:50,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-28 17:27:50,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 17:27:50,740 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 17:27:50,740 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:50,741 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-28 17:27:50,741 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:50,834 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:27:50,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:27:50,836 INFO L168 Benchmark]: Toolchain (without parser) took 6480.99 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 956.3 MB in the beginning and 941.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 236.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,836 INFO L168 Benchmark]: CDTParser took 0.24 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 17:27:50,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,837 INFO L168 Benchmark]: Boogie Preprocessor took 47.13 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 17:27:50,838 INFO L168 Benchmark]: RCFGBuilder took 950.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,838 INFO L168 Benchmark]: TraceAbstraction took 4515.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 1.1 GB in the beginning and 949.1 MB in the end (delta: 106.0 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,839 INFO L168 Benchmark]: Witness Printer took 158.15 ms. Allocated memory is still 1.3 GB. Free memory was 949.1 MB in the beginning and 941.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:50,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 719.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.13 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 950.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4515.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 1.1 GB in the beginning and 949.1 MB in the end (delta: 106.0 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. * Witness Printer took 158.15 ms. Allocated memory is still 1.3 GB. Free memory was 949.1 MB in the beginning and 941.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 940]: 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: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 2) && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 817 SDtfs, 789 SDslu, 1069 SDs, 0 SdLazy, 172 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 309 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 99 NumberOfFragments, 551 HoareAnnotationTreeSize, 43 FomulaSimplifications, 15738 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 2141 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 25621 SizeOfPredicates, 4 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...