./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.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_spec5_product33.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 078eafdb571868894c038a80ec14b552193cf718 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:44:59,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:59,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:59,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:59,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:00,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:00,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:00,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:00,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:00,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:00,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:00,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:00,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:00,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:00,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:00,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:00,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:00,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:00,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:00,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:00,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:00,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:00,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:00,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:00,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:00,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:00,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:00,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:00,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:00,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:00,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:00,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:00,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:00,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:00,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:00,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:00,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:00,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:00,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:00,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:00,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:00,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:00,103 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:00,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:00,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:00,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:00,105 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:00,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:00,106 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:00,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:00,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:00,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:00,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:00,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:00,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:00,107 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:00,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:00,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:00,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:00,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:00,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:00,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:00,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:00,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:00,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:00,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:00,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:00,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:00,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:00,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:00,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:00,111 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 -> 078eafdb571868894c038a80ec14b552193cf718 [2020-10-20 01:45:00,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:00,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:00,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:00,344 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:00,345 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:00,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2020-10-20 01:45:00,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48079fc08/9d60f1080cbe4e2888428cd778af7324/FLAG48aa1702c [2020-10-20 01:45:00,981 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:00,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2020-10-20 01:45:00,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48079fc08/9d60f1080cbe4e2888428cd778af7324/FLAG48aa1702c [2020-10-20 01:45:01,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48079fc08/9d60f1080cbe4e2888428cd778af7324 [2020-10-20 01:45:01,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:01,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:01,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:01,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:01,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:01,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dd8563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01, skipping insertion in model container [2020-10-20 01:45:01,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:01,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:01,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:01,705 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:01,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:01,848 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:01,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01 WrapperNode [2020-10-20 01:45:01,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:01,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:01,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:01,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:01,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:01,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:01,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:01,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:01,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (1/1) ... [2020-10-20 01:45:01,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:01,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:01,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:01,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:01,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (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 01:45:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:02,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:02,978 INFO L298 CfgBuilder]: Removed 116 assume(true) statements. [2020-10-20 01:45:02,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:02 BoogieIcfgContainer [2020-10-20 01:45:02,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:02,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:02,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:02,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:02,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:01" (1/3) ... [2020-10-20 01:45:02,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c21c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:02, skipping insertion in model container [2020-10-20 01:45:02,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:01" (2/3) ... [2020-10-20 01:45:02,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c21c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:02, skipping insertion in model container [2020-10-20 01:45:02,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:02" (3/3) ... [2020-10-20 01:45:02,988 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-10-20 01:45:03,000 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:03,009 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:03,022 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:03,045 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:03,046 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:03,046 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:03,046 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:03,046 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:03,047 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:03,047 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:03,047 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:03,064 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states. [2020-10-20 01:45:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:03,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:03,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:03,072 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:03,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:03,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1333786057, now seen corresponding path program 1 times [2020-10-20 01:45:03,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:03,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850362881] [2020-10-20 01:45:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:03,396 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 01:45:03,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850362881] [2020-10-20 01:45:03,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:03,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:03,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191346341] [2020-10-20 01:45:03,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:03,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:03,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:03,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:03,419 INFO L87 Difference]: Start difference. First operand 90 states. Second operand 2 states. [2020-10-20 01:45:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:03,451 INFO L93 Difference]: Finished difference Result 170 states and 253 transitions. [2020-10-20 01:45:03,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:03,452 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:03,465 INFO L225 Difference]: With dead ends: 170 [2020-10-20 01:45:03,465 INFO L226 Difference]: Without dead ends: 83 [2020-10-20 01:45:03,469 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 01:45:03,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-20 01:45:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-20 01:45:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-20 01:45:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2020-10-20 01:45:03,509 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2020-10-20 01:45:03,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:03,510 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2020-10-20 01:45:03,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-10-20 01:45:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:03,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:03,511 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] [2020-10-20 01:45:03,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:03,512 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:03,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:03,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1155161686, now seen corresponding path program 1 times [2020-10-20 01:45:03,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:03,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794919544] [2020-10-20 01:45:03,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:03,684 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 01:45:03,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794919544] [2020-10-20 01:45:03,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:03,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:03,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098259033] [2020-10-20 01:45:03,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:03,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:03,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:03,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:03,689 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2020-10-20 01:45:03,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:03,702 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2020-10-20 01:45:03,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:03,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:03,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:03,704 INFO L225 Difference]: With dead ends: 83 [2020-10-20 01:45:03,704 INFO L226 Difference]: Without dead ends: 38 [2020-10-20 01:45:03,706 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 01:45:03,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-20 01:45:03,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-20 01:45:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-20 01:45:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2020-10-20 01:45:03,714 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2020-10-20 01:45:03,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:03,714 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2020-10-20 01:45:03,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-10-20 01:45:03,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:03,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:03,716 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 01:45:03,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:03,716 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:03,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:03,717 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2020-10-20 01:45:03,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:03,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135289337] [2020-10-20 01:45:03,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:03,840 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 01:45:03,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135289337] [2020-10-20 01:45:03,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:03,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:03,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232198764] [2020-10-20 01:45:03,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:03,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:03,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:03,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:03,846 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2020-10-20 01:45:03,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:03,859 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2020-10-20 01:45:03,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:03,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:03,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:03,862 INFO L225 Difference]: With dead ends: 69 [2020-10-20 01:45:03,862 INFO L226 Difference]: Without dead ends: 38 [2020-10-20 01:45:03,863 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 01:45:03,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-20 01:45:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-10-20 01:45:03,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-20 01:45:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-10-20 01:45:03,869 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2020-10-20 01:45:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:03,870 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-10-20 01:45:03,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-10-20 01:45:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:45:03,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:03,871 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] [2020-10-20 01:45:03,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:03,872 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:03,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:03,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2020-10-20 01:45:03,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:03,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070837740] [2020-10-20 01:45:03,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:03,951 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 01:45:03,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070837740] [2020-10-20 01:45:03,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:03,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:03,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343986879] [2020-10-20 01:45:03,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:03,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:03,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:03,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:03,953 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2020-10-20 01:45:04,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,003 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2020-10-20 01:45:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:04,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-20 01:45:04,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,005 INFO L225 Difference]: With dead ends: 93 [2020-10-20 01:45:04,005 INFO L226 Difference]: Without dead ends: 62 [2020-10-20 01:45:04,006 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 01:45:04,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-20 01:45:04,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-10-20 01:45:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-20 01:45:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-10-20 01:45:04,026 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2020-10-20 01:45:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,027 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-10-20 01:45:04,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:04,027 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-10-20 01:45:04,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:04,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,031 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, 1] [2020-10-20 01:45:04,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:04,032 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2020-10-20 01:45:04,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040183865] [2020-10-20 01:45:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,188 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 01:45:04,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040183865] [2020-10-20 01:45:04,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:04,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063529745] [2020-10-20 01:45:04,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:04,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:04,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:04,191 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2020-10-20 01:45:04,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,250 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2020-10-20 01:45:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:04,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:04,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,252 INFO L225 Difference]: With dead ends: 157 [2020-10-20 01:45:04,252 INFO L226 Difference]: Without dead ends: 104 [2020-10-20 01:45:04,253 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 01:45:04,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-20 01:45:04,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2020-10-20 01:45:04,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-20 01:45:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-10-20 01:45:04,262 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2020-10-20 01:45:04,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,263 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-10-20 01:45:04,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-10-20 01:45:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:04,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,265 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, 1] [2020-10-20 01:45:04,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:04,265 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2020-10-20 01:45:04,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242585520] [2020-10-20 01:45:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,368 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 01:45:04,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242585520] [2020-10-20 01:45:04,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:04,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738847978] [2020-10-20 01:45:04,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:04,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:04,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:04,370 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2020-10-20 01:45:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,491 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2020-10-20 01:45:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:04,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:04,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,493 INFO L225 Difference]: With dead ends: 216 [2020-10-20 01:45:04,494 INFO L226 Difference]: Without dead ends: 160 [2020-10-20 01:45:04,494 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 01:45:04,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-20 01:45:04,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-10-20 01:45:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-20 01:45:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2020-10-20 01:45:04,505 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2020-10-20 01:45:04,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,505 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2020-10-20 01:45:04,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2020-10-20 01:45:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:04,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,507 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, 1] [2020-10-20 01:45:04,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:04,507 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2020-10-20 01:45:04,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374503112] [2020-10-20 01:45:04,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,595 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 01:45:04,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374503112] [2020-10-20 01:45:04,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:04,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554792586] [2020-10-20 01:45:04,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:04,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:04,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:04,598 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2020-10-20 01:45:04,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,658 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2020-10-20 01:45:04,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:04,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:04,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,660 INFO L225 Difference]: With dead ends: 164 [2020-10-20 01:45:04,660 INFO L226 Difference]: Without dead ends: 109 [2020-10-20 01:45:04,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 01:45:04,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-20 01:45:04,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2020-10-20 01:45:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-20 01:45:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2020-10-20 01:45:04,675 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2020-10-20 01:45:04,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,675 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2020-10-20 01:45:04,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-10-20 01:45:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:04,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,680 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, 1] [2020-10-20 01:45:04,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:04,680 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2020-10-20 01:45:04,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241395795] [2020-10-20 01:45:04,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,752 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 01:45:04,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241395795] [2020-10-20 01:45:04,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:04,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234939855] [2020-10-20 01:45:04,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:04,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:04,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:04,755 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2020-10-20 01:45:04,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:04,779 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2020-10-20 01:45:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:04,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-20 01:45:04,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:04,781 INFO L225 Difference]: With dead ends: 148 [2020-10-20 01:45:04,781 INFO L226 Difference]: Without dead ends: 91 [2020-10-20 01:45:04,782 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 01:45:04,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-20 01:45:04,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-10-20 01:45:04,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-20 01:45:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2020-10-20 01:45:04,793 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2020-10-20 01:45:04,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:04,793 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2020-10-20 01:45:04,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:04,794 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2020-10-20 01:45:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:04,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,795 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, 1, 1] [2020-10-20 01:45:04,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:04,796 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,796 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2020-10-20 01:45:04,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368020872] [2020-10-20 01:45:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,939 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 01:45:04,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368020872] [2020-10-20 01:45:04,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:04,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362322529] [2020-10-20 01:45:04,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:04,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:04,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:04,941 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 7 states. [2020-10-20 01:45:05,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,210 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2020-10-20 01:45:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:05,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-10-20 01:45:05,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,214 INFO L225 Difference]: With dead ends: 420 [2020-10-20 01:45:05,214 INFO L226 Difference]: Without dead ends: 363 [2020-10-20 01:45:05,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:05,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-10-20 01:45:05,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2020-10-20 01:45:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-20 01:45:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2020-10-20 01:45:05,235 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2020-10-20 01:45:05,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,236 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2020-10-20 01:45:05,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2020-10-20 01:45:05,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:45:05,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,242 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:05,243 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,244 INFO L82 PathProgramCache]: Analyzing trace with hash -23516474, now seen corresponding path program 1 times [2020-10-20 01:45:05,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8933515] [2020-10-20 01:45:05,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8933515] [2020-10-20 01:45:05,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004230378] [2020-10-20 01:45:05,372 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 01:45:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:05,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:05,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:05,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-10-20 01:45:05,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152505239] [2020-10-20 01:45:05,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 01:45:05,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 01:45:05,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:05,615 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 9 states. [2020-10-20 01:45:05,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,917 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2020-10-20 01:45:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:05,918 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-10-20 01:45:05,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,919 INFO L225 Difference]: With dead ends: 282 [2020-10-20 01:45:05,919 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:05,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:45:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:05,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:05,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-20 01:45:05,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,922 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:05,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 01:45:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:05,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:06,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:06,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:06,692 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-10-20 01:45:06,928 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2020-10-20 01:45:07,087 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2020-10-20 01:45:07,237 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-10-20 01:45:07,375 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-10-20 01:45:07,521 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-10-20 01:45:07,744 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2020-10-20 01:45:07,947 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-10-20 01:45:07,951 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:07,951 INFO L274 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-10-20 01:45:07,952 INFO L270 CegarLoopResult]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-10-20 01:45:07,952 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:07,952 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:07,952 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:07,952 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:07,952 INFO L274 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-10-20 01:45:07,952 INFO L274 CegarLoopResult]: For program point L631-2(lines 631 635) no Hoare annotation was computed. [2020-10-20 01:45:07,953 INFO L274 CegarLoopResult]: For program point L631-3(lines 631 635) no Hoare annotation was computed. [2020-10-20 01:45:07,953 INFO L274 CegarLoopResult]: For program point L631-5(lines 631 635) no Hoare annotation was computed. [2020-10-20 01:45:07,953 INFO L274 CegarLoopResult]: For program point L631-6(lines 631 635) no Hoare annotation was computed. [2020-10-20 01:45:07,953 INFO L274 CegarLoopResult]: For program point L631-8(lines 631 635) no Hoare annotation was computed. [2020-10-20 01:45:07,953 INFO L270 CegarLoopResult]: At program point L582(lines 577 585) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse5 .cse6 .cse4) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse3 .cse5 .cse6 .cse4))) [2020-10-20 01:45:07,953 INFO L270 CegarLoopResult]: At program point L582-1(lines 577 585) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) .cse0 .cse1))) [2020-10-20 01:45:07,953 INFO L270 CegarLoopResult]: At program point L582-2(lines 577 585) the Hoare annotation is: false [2020-10-20 01:45:07,954 INFO L270 CegarLoopResult]: At program point L582-3(lines 577 585) the Hoare annotation is: false [2020-10-20 01:45:07,954 INFO L270 CegarLoopResult]: At program point L582-4(lines 577 585) the Hoare annotation is: false [2020-10-20 01:45:07,954 INFO L270 CegarLoopResult]: At program point L582-5(lines 577 585) the Hoare annotation is: false [2020-10-20 01:45:07,955 INFO L270 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse4) .cse1 .cse3) (and .cse6 .cse4 .cse1 .cse3 .cse5))) [2020-10-20 01:45:07,956 INFO L270 CegarLoopResult]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2020-10-20 01:45:07,956 INFO L270 CegarLoopResult]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2020-10-20 01:45:07,956 INFO L274 CegarLoopResult]: For program point L764(lines 764 771) no Hoare annotation was computed. [2020-10-20 01:45:07,957 INFO L277 CegarLoopResult]: At program point L764-1(lines 764 771) the Hoare annotation is: true [2020-10-20 01:45:07,957 INFO L274 CegarLoopResult]: For program point L533(lines 533 541) no Hoare annotation was computed. [2020-10-20 01:45:07,957 INFO L274 CegarLoopResult]: For program point L533-1(lines 533 541) no Hoare annotation was computed. [2020-10-20 01:45:07,957 INFO L274 CegarLoopResult]: For program point L533-2(lines 533 541) no Hoare annotation was computed. [2020-10-20 01:45:07,958 INFO L274 CegarLoopResult]: For program point L913(lines 913 923) no Hoare annotation was computed. [2020-10-20 01:45:07,958 INFO L274 CegarLoopResult]: For program point L913-2(lines 913 923) no Hoare annotation was computed. [2020-10-20 01:45:07,958 INFO L274 CegarLoopResult]: For program point L913-4(lines 913 923) no Hoare annotation was computed. [2020-10-20 01:45:07,958 INFO L270 CegarLoopResult]: At program point L468(lines 421 469) the Hoare annotation is: false [2020-10-20 01:45:07,958 INFO L274 CegarLoopResult]: For program point L914(lines 914 920) no Hoare annotation was computed. [2020-10-20 01:45:07,958 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 920) no Hoare annotation was computed. [2020-10-20 01:45:07,959 INFO L274 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-10-20 01:45:07,959 INFO L274 CegarLoopResult]: For program point L914-4(lines 914 920) no Hoare annotation was computed. [2020-10-20 01:45:07,959 INFO L274 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-10-20 01:45:07,959 INFO L274 CegarLoopResult]: For program point L782-2(line 782) no Hoare annotation was computed. [2020-10-20 01:45:07,959 INFO L274 CegarLoopResult]: For program point L452(lines 452 463) no Hoare annotation was computed. [2020-10-20 01:45:07,960 INFO L270 CegarLoopResult]: At program point L898(lines 497 503) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse1 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:45:07,960 INFO L270 CegarLoopResult]: At program point L898-1(lines 497 503) the Hoare annotation is: false [2020-10-20 01:45:07,960 INFO L270 CegarLoopResult]: At program point L898-2(lines 497 503) the Hoare annotation is: false [2020-10-20 01:45:07,961 INFO L270 CegarLoopResult]: At program point L667(lines 1 929) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:07,961 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:07,961 INFO L270 CegarLoopResult]: At program point L504(lines 504 510) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse5 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-10-20 01:45:07,961 INFO L270 CegarLoopResult]: At program point L504-1(lines 504 510) the Hoare annotation is: false [2020-10-20 01:45:07,962 INFO L270 CegarLoopResult]: At program point L504-2(lines 504 510) the Hoare annotation is: false [2020-10-20 01:45:07,962 INFO L274 CegarLoopResult]: For program point L818(lines 818 822) no Hoare annotation was computed. [2020-10-20 01:45:07,963 INFO L270 CegarLoopResult]: At program point L637(lines 622 640) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-20 01:45:07,963 INFO L270 CegarLoopResult]: At program point L637-1(lines 622 640) the Hoare annotation is: false [2020-10-20 01:45:07,963 INFO L270 CegarLoopResult]: At program point L637-2(lines 622 640) the Hoare annotation is: false [2020-10-20 01:45:07,964 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:07,964 INFO L274 CegarLoopResult]: For program point L423(lines 422 467) no Hoare annotation was computed. [2020-10-20 01:45:07,964 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-20 01:45:07,964 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:07,965 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-10-20 01:45:07,965 INFO L274 CegarLoopResult]: For program point L458-2(lines 452 463) no Hoare annotation was computed. [2020-10-20 01:45:07,965 INFO L274 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-10-20 01:45:07,965 INFO L274 CegarLoopResult]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2020-10-20 01:45:07,967 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2020-10-20 01:45:07,967 INFO L270 CegarLoopResult]: At program point L739(lines 735 741) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:07,967 INFO L274 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-10-20 01:45:07,968 INFO L270 CegarLoopResult]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-10-20 01:45:07,968 INFO L270 CegarLoopResult]: At program point L888(lines 883 890) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:07,968 INFO L274 CegarLoopResult]: For program point L806(lines 806 810) no Hoare annotation was computed. [2020-10-20 01:45:07,968 INFO L277 CegarLoopResult]: At program point L773(lines 754 776) the Hoare annotation is: true [2020-10-20 01:45:07,969 INFO L270 CegarLoopResult]: At program point L691-2(lines 691 705) the Hoare annotation is: false [2020-10-20 01:45:07,969 INFO L270 CegarLoopResult]: At program point L675(lines 670 678) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:07,969 INFO L274 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-10-20 01:45:07,969 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:07,969 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:07,970 INFO L274 CegarLoopResult]: For program point L529(lines 529 546) no Hoare annotation was computed. [2020-10-20 01:45:07,970 INFO L274 CegarLoopResult]: For program point L529-1(lines 529 546) no Hoare annotation was computed. [2020-10-20 01:45:07,971 INFO L274 CegarLoopResult]: For program point L529-2(lines 529 546) no Hoare annotation was computed. [2020-10-20 01:45:07,971 INFO L274 CegarLoopResult]: For program point L909(lines 909 926) no Hoare annotation was computed. [2020-10-20 01:45:07,971 INFO L270 CegarLoopResult]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-20 01:45:07,972 INFO L270 CegarLoopResult]: At program point L909-1(lines 1 929) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (.cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse2 .cse4) (and (= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2020-10-20 01:45:07,973 INFO L270 CegarLoopResult]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2020-10-20 01:45:07,973 INFO L274 CegarLoopResult]: For program point L909-2(lines 909 926) no Hoare annotation was computed. [2020-10-20 01:45:07,973 INFO L270 CegarLoopResult]: At program point L909-3(lines 1 929) the Hoare annotation is: false [2020-10-20 01:45:07,973 INFO L270 CegarLoopResult]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2020-10-20 01:45:07,973 INFO L274 CegarLoopResult]: For program point L909-4(lines 909 926) no Hoare annotation was computed. [2020-10-20 01:45:07,974 INFO L270 CegarLoopResult]: At program point L909-5(lines 1 929) the Hoare annotation is: false [2020-10-20 01:45:07,974 INFO L274 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-10-20 01:45:07,974 INFO L274 CegarLoopResult]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2020-10-20 01:45:07,974 INFO L274 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-10-20 01:45:07,974 INFO L274 CegarLoopResult]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2020-10-20 01:45:07,974 INFO L274 CegarLoopResult]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2020-10-20 01:45:07,975 INFO L270 CegarLoopResult]: At program point L497(lines 493 515) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse1 .cse3))) [2020-10-20 01:45:07,975 INFO L270 CegarLoopResult]: At program point L497-1(lines 493 515) the Hoare annotation is: false [2020-10-20 01:45:07,975 INFO L270 CegarLoopResult]: At program point L497-2(lines 493 515) the Hoare annotation is: false [2020-10-20 01:45:08,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:08 BoogieIcfgContainer [2020-10-20 01:45:08,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:08,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:08,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:08,030 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:08,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:02" (3/4) ... [2020-10-20 01:45:08,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:08,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:08,066 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:08,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:08,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:08,069 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:08,069 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:08,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:08,187 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && tmp == 2) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:08,188 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:08,189 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:08,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:08,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:08,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:08,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:08,194 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2020-10-20 01:45:08,194 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:08,195 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:08,195 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:08,273 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:08,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:08,275 INFO L168 Benchmark]: Toolchain (without parser) took 7036.05 ms. Allocated memory was 40.4 MB in the beginning and 84.4 MB in the end (delta: 44.0 MB). Free memory was 15.9 MB in the beginning and 59.7 MB in the end (delta: -43.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,275 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: 27.2 kB). Peak memory consumption was 54.2 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.02 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 15.1 MB in the beginning and 17.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.17 ms. Allocated memory is still 43.0 MB. Free memory was 17.0 MB in the beginning and 13.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,277 INFO L168 Benchmark]: Boogie Preprocessor took 44.35 ms. Allocated memory is still 43.0 MB. Free memory was 13.5 MB in the beginning and 11.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,277 INFO L168 Benchmark]: RCFGBuilder took 1009.35 ms. Allocated memory was 43.0 MB in the beginning and 47.2 MB in the end (delta: 4.2 MB). Free memory was 11.0 MB in the beginning and 21.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,278 INFO L168 Benchmark]: TraceAbstraction took 5048.50 ms. Allocated memory was 47.2 MB in the beginning and 78.1 MB in the end (delta: 30.9 MB). Free memory was 20.6 MB in the beginning and 49.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 41.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,278 INFO L168 Benchmark]: Witness Printer took 243.60 ms. Allocated memory was 78.1 MB in the beginning and 84.4 MB in the end (delta: 6.3 MB). Free memory was 49.4 MB in the beginning and 59.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:08,282 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: 27.2 kB). Peak memory consumption was 54.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 602.02 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 15.1 MB in the beginning and 17.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 6.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 76.17 ms. Allocated memory is still 43.0 MB. Free memory was 17.0 MB in the beginning and 13.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 44.35 ms. Allocated memory is still 43.0 MB. Free memory was 13.5 MB in the beginning and 11.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1009.35 ms. Allocated memory was 43.0 MB in the beginning and 47.2 MB in the end (delta: 4.2 MB). Free memory was 11.0 MB in the beginning and 21.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5048.50 ms. Allocated memory was 47.2 MB in the beginning and 78.1 MB in the end (delta: 30.9 MB). Free memory was 20.6 MB in the beginning and 49.4 MB in the end (delta: -28.9 MB). Peak memory consumption was 41.2 MB. Max. memory is 14.3 GB. * Witness Printer took 243.60 ms. Allocated memory was 78.1 MB in the beginning and 84.4 MB in the end (delta: 6.3 MB). Free memory was 49.4 MB in the beginning and 59.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 3.5 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: 442]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && tmp == 2) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 90 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 975 SDslu, 1172 SDs, 0 SdLazy, 194 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 89 NumberOfFragments, 680 HoareAnnotationTreeSize, 37 FomulaSimplifications, 19060 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 37 FomulaSimplificationsInter, 1208 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 29755 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 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...