./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product56.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d987d174a4a8df6e0aafdb6d8ee456b5bda233ea .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:44:20,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:20,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:20,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:20,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:20,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:20,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:20,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:20,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:20,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:20,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:20,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:20,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:20,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:20,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:20,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:20,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:20,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:20,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:20,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:20,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:20,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:20,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:20,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:20,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:20,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:20,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:20,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:20,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:20,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:20,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:20,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:20,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:20,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:20,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:20,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:20,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:20,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:20,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:20,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:20,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:20,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:20,985 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:20,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:20,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:20,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:20,987 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:20,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:20,988 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:20,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:20,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:20,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:20,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:20,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:20,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:20,989 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:20,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:20,989 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:20,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:20,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:20,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:20,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:20,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:20,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:20,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:20,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:20,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:20,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:20,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:20,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:20,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:20,992 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(reach_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 -> d987d174a4a8df6e0aafdb6d8ee456b5bda233ea [2020-10-20 01:44:21,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:21,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:21,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:21,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:21,224 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:21,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2020-10-20 01:44:21,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0506f517b/e8614561675c478991768e2e4f9de587/FLAG5f7177ba8 [2020-10-20 01:44:21,865 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:21,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2020-10-20 01:44:21,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0506f517b/e8614561675c478991768e2e4f9de587/FLAG5f7177ba8 [2020-10-20 01:44:22,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0506f517b/e8614561675c478991768e2e4f9de587 [2020-10-20 01:44:22,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:22,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:22,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:22,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:22,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:22,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7fdbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22, skipping insertion in model container [2020-10-20 01:44:22,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:22,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:22,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:22,709 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:22,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:22,824 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:22,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22 WrapperNode [2020-10-20 01:44:22,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:22,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:22,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:22,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:22,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:22,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:22,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:22,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:22,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:22,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:22,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:22,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:22,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (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 [2020-10-20 01:44:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:24,265 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:24,265 INFO L298 CfgBuilder]: Removed 288 assume(true) statements. [2020-10-20 01:44:24,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24 BoogieIcfgContainer [2020-10-20 01:44:24,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:24,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:24,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:24,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:24,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:22" (1/3) ... [2020-10-20 01:44:24,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2050fa45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:24, skipping insertion in model container [2020-10-20 01:44:24,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (2/3) ... [2020-10-20 01:44:24,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2050fa45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:24, skipping insertion in model container [2020-10-20 01:44:24,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24" (3/3) ... [2020-10-20 01:44:24,278 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2020-10-20 01:44:24,290 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:24,298 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:24,313 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:24,339 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:24,340 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:24,340 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:24,340 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:24,340 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:24,340 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:24,341 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:24,341 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2020-10-20 01:44:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:24,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:24,369 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,374 INFO L82 PathProgramCache]: Analyzing trace with hash 326185497, now seen corresponding path program 1 times [2020-10-20 01:44:24,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064562092] [2020-10-20 01:44:24,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064562092] [2020-10-20 01:44:24,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:24,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690191950] [2020-10-20 01:44:24,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:24,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:24,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:24,673 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 2 states. [2020-10-20 01:44:24,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,719 INFO L93 Difference]: Finished difference Result 379 states and 578 transitions. [2020-10-20 01:44:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:24,720 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,742 INFO L225 Difference]: With dead ends: 379 [2020-10-20 01:44:24,742 INFO L226 Difference]: Without dead ends: 187 [2020-10-20 01:44:24,749 INFO L677 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 [2020-10-20 01:44:24,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-20 01:44:24,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-20 01:44:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-20 01:44:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-10-20 01:44:24,817 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-10-20 01:44:24,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,817 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-10-20 01:44:24,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-10-20 01:44:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:24,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:24,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:24,820 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1699548539, now seen corresponding path program 1 times [2020-10-20 01:44:24,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547122455] [2020-10-20 01:44:24,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547122455] [2020-10-20 01:44:24,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:24,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572859485] [2020-10-20 01:44:24,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:24,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:24,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:24,937 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-10-20 01:44:24,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,957 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-10-20 01:44:24,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:24,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:24,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,959 INFO L225 Difference]: With dead ends: 187 [2020-10-20 01:44:24,959 INFO L226 Difference]: Without dead ends: 73 [2020-10-20 01:44:24,961 INFO L677 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 [2020-10-20 01:44:24,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-20 01:44:24,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-20 01:44:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-20 01:44:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-10-20 01:44:24,969 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-10-20 01:44:24,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,969 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-10-20 01:44:24,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-10-20 01:44:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:24,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,971 INFO L422 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] [2020-10-20 01:44:24,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:24,972 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2020-10-20 01:44:24,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754530319] [2020-10-20 01:44:24,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:25,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754530319] [2020-10-20 01:44:25,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:25,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888075557] [2020-10-20 01:44:25,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:25,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:25,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:25,093 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2020-10-20 01:44:25,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,139 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2020-10-20 01:44:25,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:25,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:44:25,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,141 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:44:25,142 INFO L226 Difference]: Without dead ends: 140 [2020-10-20 01:44:25,143 INFO L677 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 [2020-10-20 01:44:25,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-20 01:44:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2020-10-20 01:44:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-20 01:44:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2020-10-20 01:44:25,159 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2020-10-20 01:44:25,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,160 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2020-10-20 01:44:25,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:25,160 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2020-10-20 01:44:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:25,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,162 INFO L422 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] [2020-10-20 01:44:25,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:25,163 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,163 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2020-10-20 01:44:25,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965070793] [2020-10-20 01:44:25,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:25,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965070793] [2020-10-20 01:44:25,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:25,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548716697] [2020-10-20 01:44:25,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:25,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:25,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:25,298 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand 3 states. [2020-10-20 01:44:25,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,372 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2020-10-20 01:44:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:25,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:44:25,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,375 INFO L225 Difference]: With dead ends: 283 [2020-10-20 01:44:25,375 INFO L226 Difference]: Without dead ends: 153 [2020-10-20 01:44:25,376 INFO L677 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 [2020-10-20 01:44:25,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-20 01:44:25,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2020-10-20 01:44:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-20 01:44:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2020-10-20 01:44:25,390 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2020-10-20 01:44:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,390 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2020-10-20 01:44:25,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2020-10-20 01:44:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:25,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,392 INFO L422 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] [2020-10-20 01:44:25,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:25,392 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2020-10-20 01:44:25,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445943197] [2020-10-20 01:44:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:25,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445943197] [2020-10-20 01:44:25,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:25,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336673234] [2020-10-20 01:44:25,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:25,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:25,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:25,533 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand 5 states. [2020-10-20 01:44:25,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,674 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2020-10-20 01:44:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:25,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:44:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,678 INFO L225 Difference]: With dead ends: 527 [2020-10-20 01:44:25,678 INFO L226 Difference]: Without dead ends: 382 [2020-10-20 01:44:25,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:25,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-10-20 01:44:25,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2020-10-20 01:44:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-20 01:44:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2020-10-20 01:44:25,725 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2020-10-20 01:44:25,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,725 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2020-10-20 01:44:25,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2020-10-20 01:44:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:44:25,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,727 INFO L422 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] [2020-10-20 01:44:25,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:25,728 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,729 INFO L82 PathProgramCache]: Analyzing trace with hash -936354291, now seen corresponding path program 1 times [2020-10-20 01:44:25,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791880827] [2020-10-20 01:44:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:25,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791880827] [2020-10-20 01:44:25,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:25,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151561471] [2020-10-20 01:44:25,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:25,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:25,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:25,803 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand 5 states. [2020-10-20 01:44:26,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,002 INFO L93 Difference]: Finished difference Result 526 states and 754 transitions. [2020-10-20 01:44:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:26,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:44:26,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,007 INFO L225 Difference]: With dead ends: 526 [2020-10-20 01:44:26,007 INFO L226 Difference]: Without dead ends: 524 [2020-10-20 01:44:26,008 INFO L677 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 [2020-10-20 01:44:26,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-10-20 01:44:26,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 236. [2020-10-20 01:44:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-20 01:44:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2020-10-20 01:44:26,028 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 26 [2020-10-20 01:44:26,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,029 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2020-10-20 01:44:26,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:26,030 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2020-10-20 01:44:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:44:26,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,032 INFO L422 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] [2020-10-20 01:44:26,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:44:26,033 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1821957235, now seen corresponding path program 1 times [2020-10-20 01:44:26,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328338341] [2020-10-20 01:44:26,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328338341] [2020-10-20 01:44:26,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:26,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302416958] [2020-10-20 01:44:26,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:26,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:26,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:26,121 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand 4 states. [2020-10-20 01:44:26,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,260 INFO L93 Difference]: Finished difference Result 496 states and 705 transitions. [2020-10-20 01:44:26,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:26,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-20 01:44:26,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,263 INFO L225 Difference]: With dead ends: 496 [2020-10-20 01:44:26,263 INFO L226 Difference]: Without dead ends: 351 [2020-10-20 01:44:26,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:26,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-10-20 01:44:26,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 347. [2020-10-20 01:44:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-10-20 01:44:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 483 transitions. [2020-10-20 01:44:26,287 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 483 transitions. Word has length 32 [2020-10-20 01:44:26,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,287 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 483 transitions. [2020-10-20 01:44:26,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 483 transitions. [2020-10-20 01:44:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:44:26,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,289 INFO L422 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] [2020-10-20 01:44:26,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:26,289 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,290 INFO L82 PathProgramCache]: Analyzing trace with hash 2080122673, now seen corresponding path program 1 times [2020-10-20 01:44:26,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828221602] [2020-10-20 01:44:26,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828221602] [2020-10-20 01:44:26,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:26,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334595748] [2020-10-20 01:44:26,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:26,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:26,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:26,353 INFO L87 Difference]: Start difference. First operand 347 states and 483 transitions. Second operand 4 states. [2020-10-20 01:44:26,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,455 INFO L93 Difference]: Finished difference Result 1020 states and 1436 transitions. [2020-10-20 01:44:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:26,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-20 01:44:26,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,460 INFO L225 Difference]: With dead ends: 1020 [2020-10-20 01:44:26,460 INFO L226 Difference]: Without dead ends: 762 [2020-10-20 01:44:26,462 INFO L677 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 [2020-10-20 01:44:26,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-10-20 01:44:26,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 347. [2020-10-20 01:44:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-10-20 01:44:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 477 transitions. [2020-10-20 01:44:26,645 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 477 transitions. Word has length 32 [2020-10-20 01:44:26,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,645 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 477 transitions. [2020-10-20 01:44:26,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2020-10-20 01:44:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-20 01:44:26,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,647 INFO L422 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] [2020-10-20 01:44:26,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:26,647 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1687095663, now seen corresponding path program 1 times [2020-10-20 01:44:26,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471234346] [2020-10-20 01:44:26,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471234346] [2020-10-20 01:44:26,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:26,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965280463] [2020-10-20 01:44:26,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:26,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:26,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:26,708 INFO L87 Difference]: Start difference. First operand 347 states and 477 transitions. Second operand 5 states. [2020-10-20 01:44:26,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,942 INFO L93 Difference]: Finished difference Result 1072 states and 1488 transitions. [2020-10-20 01:44:26,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:44:26,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-20 01:44:26,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,947 INFO L225 Difference]: With dead ends: 1072 [2020-10-20 01:44:26,947 INFO L226 Difference]: Without dead ends: 814 [2020-10-20 01:44:26,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:26,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-10-20 01:44:26,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 378. [2020-10-20 01:44:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-10-20 01:44:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 523 transitions. [2020-10-20 01:44:26,978 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 523 transitions. Word has length 32 [2020-10-20 01:44:26,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,979 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 523 transitions. [2020-10-20 01:44:26,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 523 transitions. [2020-10-20 01:44:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-20 01:44:26,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,981 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:26,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:26,981 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,982 INFO L82 PathProgramCache]: Analyzing trace with hash -2123186145, now seen corresponding path program 1 times [2020-10-20 01:44:26,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832312818] [2020-10-20 01:44:26,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:27,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832312818] [2020-10-20 01:44:27,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:27,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728907237] [2020-10-20 01:44:27,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:27,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:27,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:27,037 INFO L87 Difference]: Start difference. First operand 378 states and 523 transitions. Second operand 3 states. [2020-10-20 01:44:27,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,154 INFO L93 Difference]: Finished difference Result 640 states and 882 transitions. [2020-10-20 01:44:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:27,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-10-20 01:44:27,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,157 INFO L225 Difference]: With dead ends: 640 [2020-10-20 01:44:27,157 INFO L226 Difference]: Without dead ends: 268 [2020-10-20 01:44:27,158 INFO L677 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 [2020-10-20 01:44:27,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-20 01:44:27,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 260. [2020-10-20 01:44:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-20 01:44:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 353 transitions. [2020-10-20 01:44:27,179 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 353 transitions. Word has length 49 [2020-10-20 01:44:27,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,179 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 353 transitions. [2020-10-20 01:44:27,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:27,179 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 353 transitions. [2020-10-20 01:44:27,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:44:27,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:27,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:44:27,181 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,181 INFO L82 PathProgramCache]: Analyzing trace with hash 167454061, now seen corresponding path program 1 times [2020-10-20 01:44:27,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752086371] [2020-10-20 01:44:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:27,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752086371] [2020-10-20 01:44:27,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:27,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160068994] [2020-10-20 01:44:27,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:27,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:27,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:27,244 INFO L87 Difference]: Start difference. First operand 260 states and 353 transitions. Second operand 5 states. [2020-10-20 01:44:27,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,384 INFO L93 Difference]: Finished difference Result 784 states and 1060 transitions. [2020-10-20 01:44:27,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:27,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-10-20 01:44:27,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,388 INFO L225 Difference]: With dead ends: 784 [2020-10-20 01:44:27,389 INFO L226 Difference]: Without dead ends: 530 [2020-10-20 01:44:27,390 INFO L677 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 [2020-10-20 01:44:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-20 01:44:27,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 272. [2020-10-20 01:44:27,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-20 01:44:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 365 transitions. [2020-10-20 01:44:27,417 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 365 transitions. Word has length 54 [2020-10-20 01:44:27,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,418 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 365 transitions. [2020-10-20 01:44:27,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 365 transitions. [2020-10-20 01:44:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:44:27,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,419 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:27,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:44:27,420 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,420 INFO L82 PathProgramCache]: Analyzing trace with hash -297959507, now seen corresponding path program 1 times [2020-10-20 01:44:27,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051923004] [2020-10-20 01:44:27,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 01:44:27,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051923004] [2020-10-20 01:44:27,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:27,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560096339] [2020-10-20 01:44:27,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:27,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:27,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:27,480 INFO L87 Difference]: Start difference. First operand 272 states and 365 transitions. Second operand 4 states. [2020-10-20 01:44:27,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,568 INFO L93 Difference]: Finished difference Result 632 states and 845 transitions. [2020-10-20 01:44:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:27,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-20 01:44:27,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,571 INFO L225 Difference]: With dead ends: 632 [2020-10-20 01:44:27,571 INFO L226 Difference]: Without dead ends: 366 [2020-10-20 01:44:27,572 INFO L677 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 [2020-10-20 01:44:27,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-10-20 01:44:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 237. [2020-10-20 01:44:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-10-20 01:44:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 310 transitions. [2020-10-20 01:44:27,595 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 310 transitions. Word has length 54 [2020-10-20 01:44:27,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,595 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 310 transitions. [2020-10-20 01:44:27,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 310 transitions. [2020-10-20 01:44:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-20 01:44:27,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,596 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:27,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:44:27,597 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,597 INFO L82 PathProgramCache]: Analyzing trace with hash -769861918, now seen corresponding path program 1 times [2020-10-20 01:44:27,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515690354] [2020-10-20 01:44:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:27,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515690354] [2020-10-20 01:44:27,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260111825] [2020-10-20 01:44:27,717 INFO L95 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 [2020-10-20 01:44:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:27,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:27,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:27,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-20 01:44:27,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176559758] [2020-10-20 01:44:27,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:44:27,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:44:27,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:27,966 INFO L87 Difference]: Start difference. First operand 237 states and 310 transitions. Second operand 8 states. [2020-10-20 01:44:28,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:28,374 INFO L93 Difference]: Finished difference Result 862 states and 1146 transitions. [2020-10-20 01:44:28,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 01:44:28,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-10-20 01:44:28,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:28,379 INFO L225 Difference]: With dead ends: 862 [2020-10-20 01:44:28,379 INFO L226 Difference]: Without dead ends: 680 [2020-10-20 01:44:28,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:44:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-20 01:44:28,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 297. [2020-10-20 01:44:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-20 01:44:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 389 transitions. [2020-10-20 01:44:28,417 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 389 transitions. Word has length 57 [2020-10-20 01:44:28,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:28,417 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 389 transitions. [2020-10-20 01:44:28,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 389 transitions. [2020-10-20 01:44:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:44:28,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:28,419 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:28,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-20 01:44:28,633 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:28,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:28,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1453326129, now seen corresponding path program 2 times [2020-10-20 01:44:28,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:28,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570250144] [2020-10-20 01:44:28,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:28,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570250144] [2020-10-20 01:44:28,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:28,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:28,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054107836] [2020-10-20 01:44:28,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:28,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:28,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:28,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:28,816 INFO L87 Difference]: Start difference. First operand 297 states and 389 transitions. Second operand 5 states. [2020-10-20 01:44:29,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:29,189 INFO L93 Difference]: Finished difference Result 898 states and 1191 transitions. [2020-10-20 01:44:29,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:29,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:44:29,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:29,194 INFO L225 Difference]: With dead ends: 898 [2020-10-20 01:44:29,194 INFO L226 Difference]: Without dead ends: 649 [2020-10-20 01:44:29,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:29,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-10-20 01:44:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 413. [2020-10-20 01:44:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-20 01:44:29,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 540 transitions. [2020-10-20 01:44:29,246 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 540 transitions. Word has length 82 [2020-10-20 01:44:29,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:29,246 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 540 transitions. [2020-10-20 01:44:29,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:29,246 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 540 transitions. [2020-10-20 01:44:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:44:29,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:29,250 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:29,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-20 01:44:29,250 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:29,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:29,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1847692915, now seen corresponding path program 1 times [2020-10-20 01:44:29,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:29,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869690783] [2020-10-20 01:44:29,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:29,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869690783] [2020-10-20 01:44:29,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:29,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:29,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28788318] [2020-10-20 01:44:29,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:29,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:29,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:29,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:29,362 INFO L87 Difference]: Start difference. First operand 413 states and 540 transitions. Second operand 5 states. [2020-10-20 01:44:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:29,461 INFO L93 Difference]: Finished difference Result 790 states and 1030 transitions. [2020-10-20 01:44:29,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:29,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:44:29,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:29,462 INFO L225 Difference]: With dead ends: 790 [2020-10-20 01:44:29,462 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:29,466 INFO L677 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 [2020-10-20 01:44:29,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:29,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:29,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-10-20 01:44:29,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:29,467 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:29,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:29,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:29,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-20 01:44:29,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:29,971 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 170 [2020-10-20 01:44:30,236 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 140 [2020-10-20 01:44:30,372 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 104 [2020-10-20 01:44:30,778 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 168 [2020-10-20 01:44:30,972 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 100 [2020-10-20 01:44:31,567 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 172 [2020-10-20 01:44:32,027 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 187 [2020-10-20 01:44:32,314 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 187 [2020-10-20 01:44:33,537 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 165 DAG size of output: 24 [2020-10-20 01:44:34,203 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 30 [2020-10-20 01:44:34,589 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 26 [2020-10-20 01:44:35,624 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-10-20 01:44:36,190 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 10 [2020-10-20 01:44:36,703 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 27 [2020-10-20 01:44:37,854 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-10-20 01:44:38,061 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 20 [2020-10-20 01:44:38,313 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2020-10-20 01:44:38,513 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 20 [2020-10-20 01:44:39,968 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 185 DAG size of output: 27 [2020-10-20 01:44:41,428 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 185 DAG size of output: 27 [2020-10-20 01:44:41,447 INFO L277 CegarLoopResult]: At program point L861(lines 842 864) the Hoare annotation is: true [2020-10-20 01:44:41,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,448 INFO L274 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,448 INFO L274 CegarLoopResult]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,448 INFO L274 CegarLoopResult]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,448 INFO L274 CegarLoopResult]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,448 INFO L270 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and (= 0 ~systemActive~0) .cse2 .cse1 .cse3) (and .cse0 .cse2 .cse1 .cse3))) [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,449 INFO L270 CegarLoopResult]: At program point L69-1(lines 69 75) the Hoare annotation is: false [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,449 INFO L270 CegarLoopResult]: At program point L69-2(lines 69 75) the Hoare annotation is: false [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L267-9(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L267-11(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L267-12(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,449 INFO L274 CegarLoopResult]: For program point L267-14(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,450 INFO L274 CegarLoopResult]: For program point L267-15(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,450 INFO L270 CegarLoopResult]: At program point L730(lines 679 731) the Hoare annotation is: false [2020-10-20 01:44:41,450 INFO L274 CegarLoopResult]: For program point L267-17(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:44:41,450 INFO L270 CegarLoopResult]: At program point L963(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,450 INFO L270 CegarLoopResult]: At program point L963-1(lines 954 967) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:41,450 INFO L270 CegarLoopResult]: At program point L963-2(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,450 INFO L270 CegarLoopResult]: At program point L963-3(lines 954 967) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:41,451 INFO L270 CegarLoopResult]: At program point L963-4(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,451 INFO L270 CegarLoopResult]: At program point L963-5(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,451 INFO L270 CegarLoopResult]: At program point L963-6(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,451 INFO L270 CegarLoopResult]: At program point L963-7(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,451 INFO L270 CegarLoopResult]: At program point L963-8(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,451 INFO L270 CegarLoopResult]: At program point L963-9(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,451 INFO L270 CegarLoopResult]: At program point L963-10(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,451 INFO L270 CegarLoopResult]: At program point L963-11(lines 954 967) the Hoare annotation is: false [2020-10-20 01:44:41,452 INFO L274 CegarLoopResult]: For program point L700(lines 700 706) no Hoare annotation was computed. [2020-10-20 01:44:41,452 INFO L270 CegarLoopResult]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse4 .cse1 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse3))) [2020-10-20 01:44:41,452 INFO L270 CegarLoopResult]: At program point L273(lines 258 276) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:41,452 INFO L270 CegarLoopResult]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2020-10-20 01:44:41,452 INFO L270 CegarLoopResult]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2020-10-20 01:44:41,452 INFO L270 CegarLoopResult]: At program point L273-3(lines 258 276) the Hoare annotation is: false [2020-10-20 01:44:41,453 INFO L270 CegarLoopResult]: At program point L273-4(lines 258 276) the Hoare annotation is: false [2020-10-20 01:44:41,453 INFO L270 CegarLoopResult]: At program point L273-5(lines 258 276) the Hoare annotation is: false [2020-10-20 01:44:41,453 INFO L270 CegarLoopResult]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:41,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,453 INFO L274 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-10-20 01:44:41,453 INFO L274 CegarLoopResult]: For program point L870-1(line 870) no Hoare annotation was computed. [2020-10-20 01:44:41,453 INFO L274 CegarLoopResult]: For program point L870-2(line 870) no Hoare annotation was computed. [2020-10-20 01:44:41,454 INFO L274 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-10-20 01:44:41,454 INFO L274 CegarLoopResult]: For program point L146(lines 146 163) no Hoare annotation was computed. [2020-10-20 01:44:41,454 INFO L274 CegarLoopResult]: For program point L146-1(lines 146 163) no Hoare annotation was computed. [2020-10-20 01:44:41,454 INFO L274 CegarLoopResult]: For program point L146-2(lines 146 163) no Hoare annotation was computed. [2020-10-20 01:44:41,454 INFO L270 CegarLoopResult]: At program point L973(lines 968 976) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:41,454 INFO L270 CegarLoopResult]: At program point L973-1(lines 968 976) the Hoare annotation is: false [2020-10-20 01:44:41,454 INFO L270 CegarLoopResult]: At program point L973-2(lines 968 976) the Hoare annotation is: false [2020-10-20 01:44:41,455 INFO L270 CegarLoopResult]: At program point L973-3(lines 968 976) the Hoare annotation is: false [2020-10-20 01:44:41,455 INFO L270 CegarLoopResult]: At program point L973-4(lines 968 976) the Hoare annotation is: false [2020-10-20 01:44:41,455 INFO L270 CegarLoopResult]: At program point L973-5(lines 968 976) the Hoare annotation is: false [2020-10-20 01:44:41,455 INFO L274 CegarLoopResult]: For program point L710(lines 710 725) no Hoare annotation was computed. [2020-10-20 01:44:41,455 INFO L274 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-10-20 01:44:41,455 INFO L270 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:41,455 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,456 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,456 INFO L274 CegarLoopResult]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,456 INFO L274 CegarLoopResult]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,456 INFO L274 CegarLoopResult]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L270 CegarLoopResult]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,459 INFO L274 CegarLoopResult]: For program point L248-18(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-20(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-21(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-23(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-24(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-26(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-27(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-29(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-30(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-32(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,460 INFO L274 CegarLoopResult]: For program point L248-33(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L150(lines 150 158) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L150-1(lines 150 158) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L248-35(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L150-2(lines 150 158) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L270 CegarLoopResult]: At program point L778-2(lines 778 792) the Hoare annotation is: false [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L681(lines 680 729) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L120-1(lines 120 137) no Hoare annotation was computed. [2020-10-20 01:44:41,461 INFO L274 CegarLoopResult]: For program point L120-2(lines 120 137) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L120-3(lines 120 137) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L120-4(lines 120 137) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L120-5(lines 120 137) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L682(lines 682 686) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L881-3(lines 881 885) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L749(lines 749 762) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L274 CegarLoopResult]: For program point L782-1(lines 62 68) no Hoare annotation was computed. [2020-10-20 01:44:41,462 INFO L270 CegarLoopResult]: At program point L749-1(lines 1 1011) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse4 .cse1 .cse5 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse4 .cse1))) [2020-10-20 01:44:41,463 INFO L274 CegarLoopResult]: For program point L749-2(lines 749 762) no Hoare annotation was computed. [2020-10-20 01:44:41,463 INFO L274 CegarLoopResult]: For program point L881-6(lines 881 885) no Hoare annotation was computed. [2020-10-20 01:44:41,463 INFO L270 CegarLoopResult]: At program point L749-3(lines 1 1011) the Hoare annotation is: false [2020-10-20 01:44:41,463 INFO L274 CegarLoopResult]: For program point L749-4(lines 749 762) no Hoare annotation was computed. [2020-10-20 01:44:41,463 INFO L270 CegarLoopResult]: At program point L749-5(lines 1 1011) the Hoare annotation is: false [2020-10-20 01:44:41,463 INFO L270 CegarLoopResult]: At program point L254(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,463 INFO L270 CegarLoopResult]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-10-20 01:44:41,463 INFO L270 CegarLoopResult]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,463 INFO L270 CegarLoopResult]: At program point L254-3(lines 239 257) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L254-6(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L254-7(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L254-8(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L254-9(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L254-10(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L254-11(lines 239 257) the Hoare annotation is: false [2020-10-20 01:44:41,464 INFO L274 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-10-20 01:44:41,464 INFO L270 CegarLoopResult]: At program point L718-1(lines 62 68) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 (<= 1 ~waterLevel~0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1) (and (= ~waterLevel~0 1) .cse2 .cse0 .cse1))) [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:41,465 INFO L270 CegarLoopResult]: At program point L190(lines 183 193) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:41,465 INFO L270 CegarLoopResult]: At program point L190-1(lines 183 193) the Hoare annotation is: false [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2020-10-20 01:44:41,465 INFO L270 CegarLoopResult]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L124-2(lines 124 132) no Hoare annotation was computed. [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 132) no Hoare annotation was computed. [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L124-4(lines 124 132) no Hoare annotation was computed. [2020-10-20 01:44:41,465 INFO L274 CegarLoopResult]: For program point L124-5(lines 124 132) no Hoare annotation was computed. [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L950(lines 945 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4 .cse2) (and (= 0 ~systemActive~0) .cse3 .cse1 .cse4 .cse2))) [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L950-1(lines 945 953) the Hoare annotation is: false [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L950-2(lines 945 953) the Hoare annotation is: false [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L918(lines 913 921) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2020-10-20 01:44:41,466 INFO L274 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-10-20 01:44:41,466 INFO L270 CegarLoopResult]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2020-10-20 01:44:41,466 INFO L277 CegarLoopResult]: At program point L852-1(lines 852 859) the Hoare annotation is: true [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L753(lines 753 759) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L753-2(lines 753 759) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L753-4(lines 753 759) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L94-1(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L94-2(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L94-3(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L94-4(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L94-5(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,467 INFO L274 CegarLoopResult]: For program point L94-6(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,468 INFO L274 CegarLoopResult]: For program point L94-7(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,468 INFO L274 CegarLoopResult]: For program point L94-8(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,468 INFO L274 CegarLoopResult]: For program point L94-9(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,468 INFO L274 CegarLoopResult]: For program point L94-10(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,468 INFO L274 CegarLoopResult]: For program point L94-11(lines 94 111) no Hoare annotation was computed. [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L62(lines 61 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~waterLevel~0))) (or (and (= 0 ~systemActive~0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= 1 ~systemActive~0) .cse0 .cse1))) [2020-10-20 01:44:41,468 INFO L274 CegarLoopResult]: For program point L62-1(lines 62 68) no Hoare annotation was computed. [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L62-2(lines 61 80) the Hoare annotation is: false [2020-10-20 01:44:41,468 INFO L270 CegarLoopResult]: At program point L62-3(lines 61 80) the Hoare annotation is: false [2020-10-20 01:44:41,468 INFO L274 CegarLoopResult]: For program point L690(lines 690 696) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L270 CegarLoopResult]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse4 .cse1 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse3))) [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L98-1(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L98-2(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L98-3(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L98-4(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L98-5(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,469 INFO L274 CegarLoopResult]: For program point L98-6(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L98-7(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L98-8(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L98-9(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L98-10(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L98-11(lines 98 106) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L958(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L958-1(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,470 INFO L274 CegarLoopResult]: For program point L958-2(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-3(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L270 CegarLoopResult]: At program point L826(lines 822 828) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-4(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-5(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-6(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-7(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-8(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-9(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-10(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,471 INFO L274 CegarLoopResult]: For program point L958-11(lines 958 964) no Hoare annotation was computed. [2020-10-20 01:44:41,472 INFO L270 CegarLoopResult]: At program point L199(lines 194 202) the Hoare annotation is: false [2020-10-20 01:44:41,472 INFO L270 CegarLoopResult]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2020-10-20 01:44:41,472 INFO L270 CegarLoopResult]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2020-10-20 01:44:41,472 INFO L274 CegarLoopResult]: For program point L893(lines 893 897) no Hoare annotation was computed. [2020-10-20 01:44:41,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:41 BoogieIcfgContainer [2020-10-20 01:44:41,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:41,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:41,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:41,538 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:41,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24" (3/4) ... [2020-10-20 01:44:41,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:41,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:41,590 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:41,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:41,594 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:41,596 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:41,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:41,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:41,628 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:41,628 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:41,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:41,630 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:41,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-10-20 01:44:41,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:41,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:41,637 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:41,638 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:41,639 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp___0 == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:41,640 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:41,766 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:41,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:41,769 INFO L168 Benchmark]: Toolchain (without parser) took 19589.61 ms. Allocated memory was 39.8 MB in the beginning and 156.8 MB in the end (delta: 116.9 MB). Free memory was 14.2 MB in the beginning and 100.8 MB in the end (delta: -86.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,769 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 30.4 MB. Free memory was 16.1 MB in the beginning and 16.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.52 ms. Allocated memory was 40.4 MB in the beginning and 42.5 MB in the end (delta: 2.1 MB). Free memory was 21.9 MB in the beginning and 13.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.79 ms. Allocated memory is still 42.5 MB. Free memory was 13.5 MB in the beginning and 23.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,770 INFO L168 Benchmark]: Boogie Preprocessor took 61.58 ms. Allocated memory is still 42.5 MB. Free memory was 23.2 MB in the beginning and 19.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,771 INFO L168 Benchmark]: RCFGBuilder took 1276.28 ms. Allocated memory was 42.5 MB in the beginning and 49.8 MB in the end (delta: 7.3 MB). Free memory was 19.3 MB in the beginning and 23.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,772 INFO L168 Benchmark]: TraceAbstraction took 17266.61 ms. Allocated memory was 49.8 MB in the beginning and 156.8 MB in the end (delta: 107.0 MB). Free memory was 22.8 MB in the beginning and 123.0 MB in the end (delta: -100.2 MB). Peak memory consumption was 123.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,772 INFO L168 Benchmark]: Witness Printer took 231.65 ms. Allocated memory is still 156.8 MB. Free memory was 123.0 MB in the beginning and 100.8 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:41,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 30.4 MB. Free memory was 16.1 MB in the beginning and 16.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 631.52 ms. Allocated memory was 40.4 MB in the beginning and 42.5 MB in the end (delta: 2.1 MB). Free memory was 21.9 MB in the beginning and 13.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 101.79 ms. Allocated memory is still 42.5 MB. Free memory was 13.5 MB in the beginning and 23.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 61.58 ms. Allocated memory is still 42.5 MB. Free memory was 23.2 MB in the beginning and 19.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1276.28 ms. Allocated memory was 42.5 MB in the beginning and 49.8 MB in the end (delta: 7.3 MB). Free memory was 19.3 MB in the beginning and 23.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 17266.61 ms. Allocated memory was 49.8 MB in the beginning and 156.8 MB in the end (delta: 107.0 MB). Free memory was 22.8 MB in the beginning and 123.0 MB in the end (delta: -100.2 MB). Peak memory consumption was 123.0 MB. Max. memory is 14.3 GB. * Witness Printer took 231.65 ms. Allocated memory is still 156.8 MB. Free memory was 123.0 MB in the beginning and 100.8 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 69]: Loop Invariant Derived loop invariant: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && 1 <= tmp) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((tmp == 0 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp___0 == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 194 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2229 SDtfs, 2539 SDslu, 3347 SDs, 0 SdLazy, 475 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 2309 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 218 NumberOfFragments, 642 HoareAnnotationTreeSize, 68 FomulaSimplifications, 2526335 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 68 FomulaSimplificationsInter, 541823 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 646 ConstructedInterpolants, 0 QuantifiedInterpolants, 50478 SizeOfPredicates, 4 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 186/192 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...