./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product39.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_product39.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 18ffa626b14f3a98f8946a4838c47fc7d91cbcd4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:45:01,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:01,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:01,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:01,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:01,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:01,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:01,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:01,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:01,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:01,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:01,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:01,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:01,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:01,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:01,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:01,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:01,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:01,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:01,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:01,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:01,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:01,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:01,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:01,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:01,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:01,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:01,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:01,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:01,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:01,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:01,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:02,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:02,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:02,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:02,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:02,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:02,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:02,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:02,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:02,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:02,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:02,059 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:02,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:02,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:02,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:02,062 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:02,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:02,062 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:02,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:02,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:02,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:02,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:02,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:02,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:02,064 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:02,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:02,065 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:02,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:02,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:02,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:02,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:02,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:02,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:02,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:02,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:02,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:02,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:02,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:02,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:02,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:02,069 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 -> 18ffa626b14f3a98f8946a4838c47fc7d91cbcd4 [2020-10-20 01:45:02,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:02,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:02,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:02,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:02,300 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:02,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2020-10-20 01:45:02,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b984a55dd/4d814d81c3e34324b58c66e99398a7bf/FLAGf32430967 [2020-10-20 01:45:02,966 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:02,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2020-10-20 01:45:02,987 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b984a55dd/4d814d81c3e34324b58c66e99398a7bf/FLAGf32430967 [2020-10-20 01:45:03,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b984a55dd/4d814d81c3e34324b58c66e99398a7bf [2020-10-20 01:45:03,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:03,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:03,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:03,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:03,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:03,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2195f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03, skipping insertion in model container [2020-10-20 01:45:03,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:03,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:03,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:03,664 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:03,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:03,810 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:03,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03 WrapperNode [2020-10-20 01:45:03,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:03,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:03,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:03,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:03,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:03,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:03,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:03,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:03,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:03,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:03,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:03,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:03,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (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 01:45:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:05,113 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:05,113 INFO L298 CfgBuilder]: Removed 180 assume(true) statements. [2020-10-20 01:45:05,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:05 BoogieIcfgContainer [2020-10-20 01:45:05,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:05,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:05,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:05,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:05,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:03" (1/3) ... [2020-10-20 01:45:05,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b70ec4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:05, skipping insertion in model container [2020-10-20 01:45:05,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (2/3) ... [2020-10-20 01:45:05,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b70ec4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:05, skipping insertion in model container [2020-10-20 01:45:05,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:05" (3/3) ... [2020-10-20 01:45:05,140 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-10-20 01:45:05,153 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:05,161 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:05,176 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:05,203 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:05,204 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:05,204 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:05,204 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:05,204 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:05,204 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:05,204 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:05,205 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-20 01:45:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:05,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,233 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 01:45:05,233 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1711106524, now seen corresponding path program 1 times [2020-10-20 01:45:05,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021169489] [2020-10-20 01:45:05,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,564 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 01:45:05,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021169489] [2020-10-20 01:45:05,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:05,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548205111] [2020-10-20 01:45:05,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:05,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:05,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:05,584 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-20 01:45:05,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,625 INFO L93 Difference]: Finished difference Result 240 states and 361 transitions. [2020-10-20 01:45:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:05,626 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:05,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,643 INFO L225 Difference]: With dead ends: 240 [2020-10-20 01:45:05,643 INFO L226 Difference]: Without dead ends: 118 [2020-10-20 01:45:05,646 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 01:45:05,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-20 01:45:05,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-10-20 01:45:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-20 01:45:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2020-10-20 01:45:05,707 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2020-10-20 01:45:05,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,708 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2020-10-20 01:45:05,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2020-10-20 01:45:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:05,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,710 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 01:45:05,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:05,710 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,711 INFO L82 PathProgramCache]: Analyzing trace with hash 94913029, now seen corresponding path program 1 times [2020-10-20 01:45:05,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259417335] [2020-10-20 01:45:05,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,808 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 01:45:05,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259417335] [2020-10-20 01:45:05,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:05,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796255696] [2020-10-20 01:45:05,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:05,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:05,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,812 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2020-10-20 01:45:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,827 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2020-10-20 01:45:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:05,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,829 INFO L225 Difference]: With dead ends: 118 [2020-10-20 01:45:05,829 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 01:45:05,830 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 01:45:05,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 01:45:05,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-20 01:45:05,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-20 01:45:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-10-20 01:45:05,838 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-10-20 01:45:05,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,838 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-10-20 01:45:05,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-10-20 01:45:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:05,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,840 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 01:45:05,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:05,840 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,841 INFO L82 PathProgramCache]: Analyzing trace with hash 333982465, now seen corresponding path program 1 times [2020-10-20 01:45:05,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328618877] [2020-10-20 01:45:05,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,040 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 01:45:06,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328618877] [2020-10-20 01:45:06,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:06,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190667576] [2020-10-20 01:45:06,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:06,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:06,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:06,046 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2020-10-20 01:45:06,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,104 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2020-10-20 01:45:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:06,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:06,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,109 INFO L225 Difference]: With dead ends: 139 [2020-10-20 01:45:06,109 INFO L226 Difference]: Without dead ends: 95 [2020-10-20 01:45:06,113 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 01:45:06,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-20 01:45:06,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2020-10-20 01:45:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-20 01:45:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2020-10-20 01:45:06,129 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2020-10-20 01:45:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,129 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2020-10-20 01:45:06,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2020-10-20 01:45:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:45:06,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,131 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] [2020-10-20 01:45:06,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:06,132 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,132 INFO L82 PathProgramCache]: Analyzing trace with hash 139090872, now seen corresponding path program 1 times [2020-10-20 01:45:06,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071332322] [2020-10-20 01:45:06,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,203 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 01:45:06,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071332322] [2020-10-20 01:45:06,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:06,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382343426] [2020-10-20 01:45:06,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:06,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:06,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:06,206 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2020-10-20 01:45:06,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,262 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2020-10-20 01:45:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:06,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-20 01:45:06,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,265 INFO L225 Difference]: With dead ends: 222 [2020-10-20 01:45:06,265 INFO L226 Difference]: Without dead ends: 138 [2020-10-20 01:45:06,266 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 01:45:06,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-20 01:45:06,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2020-10-20 01:45:06,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-20 01:45:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2020-10-20 01:45:06,285 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2020-10-20 01:45:06,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,285 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2020-10-20 01:45:06,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2020-10-20 01:45:06,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 01:45:06,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,287 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] [2020-10-20 01:45:06,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:06,288 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,288 INFO L82 PathProgramCache]: Analyzing trace with hash 65503050, now seen corresponding path program 1 times [2020-10-20 01:45:06,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168312438] [2020-10-20 01:45:06,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,398 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 01:45:06,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168312438] [2020-10-20 01:45:06,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:06,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631361194] [2020-10-20 01:45:06,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:06,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:06,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:06,400 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2020-10-20 01:45:06,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,586 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2020-10-20 01:45:06,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:06,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-20 01:45:06,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,595 INFO L225 Difference]: With dead ends: 475 [2020-10-20 01:45:06,595 INFO L226 Difference]: Without dead ends: 346 [2020-10-20 01:45:06,596 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 01:45:06,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-20 01:45:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2020-10-20 01:45:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-20 01:45:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2020-10-20 01:45:06,620 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2020-10-20 01:45:06,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,621 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2020-10-20 01:45:06,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2020-10-20 01:45:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:06,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,622 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 01:45:06,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:06,623 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,623 INFO L82 PathProgramCache]: Analyzing trace with hash -755991289, now seen corresponding path program 1 times [2020-10-20 01:45:06,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51992748] [2020-10-20 01:45:06,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,688 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 01:45:06,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51992748] [2020-10-20 01:45:06,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:06,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691623652] [2020-10-20 01:45:06,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:06,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:06,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:06,691 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2020-10-20 01:45:06,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,776 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2020-10-20 01:45:06,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:06,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:06,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,779 INFO L225 Difference]: With dead ends: 363 [2020-10-20 01:45:06,779 INFO L226 Difference]: Without dead ends: 236 [2020-10-20 01:45:06,780 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 01:45:06,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-20 01:45:06,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2020-10-20 01:45:06,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-20 01:45:06,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2020-10-20 01:45:06,795 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2020-10-20 01:45:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,796 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2020-10-20 01:45:06,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2020-10-20 01:45:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:06,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,798 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 01:45:06,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:06,798 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,798 INFO L82 PathProgramCache]: Analyzing trace with hash -54926711, now seen corresponding path program 1 times [2020-10-20 01:45:06,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498163092] [2020-10-20 01:45:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,860 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 01:45:06,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498163092] [2020-10-20 01:45:06,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:06,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490472248] [2020-10-20 01:45:06,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:06,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:06,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:06,862 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 5 states. [2020-10-20 01:45:06,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,985 INFO L93 Difference]: Finished difference Result 406 states and 552 transitions. [2020-10-20 01:45:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:06,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:06,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,988 INFO L225 Difference]: With dead ends: 406 [2020-10-20 01:45:06,988 INFO L226 Difference]: Without dead ends: 267 [2020-10-20 01:45:06,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:06,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-10-20 01:45:07,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 154. [2020-10-20 01:45:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-20 01:45:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2020-10-20 01:45:07,003 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2020-10-20 01:45:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,003 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2020-10-20 01:45:07,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2020-10-20 01:45:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:07,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,005 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 01:45:07,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:07,006 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,006 INFO L82 PathProgramCache]: Analyzing trace with hash -641732725, now seen corresponding path program 1 times [2020-10-20 01:45:07,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4620635] [2020-10-20 01:45:07,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:07,057 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 01:45:07,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4620635] [2020-10-20 01:45:07,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:07,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:07,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812811077] [2020-10-20 01:45:07,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:07,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:07,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:07,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:07,060 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2020-10-20 01:45:07,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:07,100 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2020-10-20 01:45:07,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:07,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:45:07,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:07,102 INFO L225 Difference]: With dead ends: 359 [2020-10-20 01:45:07,102 INFO L226 Difference]: Without dead ends: 212 [2020-10-20 01:45:07,103 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 01:45:07,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-20 01:45:07,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-20 01:45:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-20 01:45:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2020-10-20 01:45:07,135 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2020-10-20 01:45:07,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,137 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2020-10-20 01:45:07,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2020-10-20 01:45:07,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:45:07,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,145 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, 1] [2020-10-20 01:45:07,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:07,146 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2037678901, now seen corresponding path program 1 times [2020-10-20 01:45:07,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593071352] [2020-10-20 01:45:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:07,327 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 01:45:07,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593071352] [2020-10-20 01:45:07,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:07,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:07,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631429325] [2020-10-20 01:45:07,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:07,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:07,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:07,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:07,332 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 7 states. [2020-10-20 01:45:07,609 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-10-20 01:45:07,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:07,775 INFO L93 Difference]: Finished difference Result 1039 states and 1412 transitions. [2020-10-20 01:45:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:07,775 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-10-20 01:45:07,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:07,780 INFO L225 Difference]: With dead ends: 1039 [2020-10-20 01:45:07,780 INFO L226 Difference]: Without dead ends: 892 [2020-10-20 01:45:07,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:07,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-10-20 01:45:07,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 372. [2020-10-20 01:45:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-10-20 01:45:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 491 transitions. [2020-10-20 01:45:07,817 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 491 transitions. Word has length 35 [2020-10-20 01:45:07,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,817 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 491 transitions. [2020-10-20 01:45:07,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:07,818 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2020-10-20 01:45:07,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:45:07,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,819 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:07,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:07,819 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1595899027, now seen corresponding path program 1 times [2020-10-20 01:45:07,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469299995] [2020-10-20 01:45:07,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:45:07,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469299995] [2020-10-20 01:45:07,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:07,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:07,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642794161] [2020-10-20 01:45:07,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:07,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:07,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:07,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:07,868 INFO L87 Difference]: Start difference. First operand 372 states and 491 transitions. Second operand 3 states. [2020-10-20 01:45:07,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:07,983 INFO L93 Difference]: Finished difference Result 447 states and 589 transitions. [2020-10-20 01:45:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:07,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-10-20 01:45:07,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:07,985 INFO L225 Difference]: With dead ends: 447 [2020-10-20 01:45:07,985 INFO L226 Difference]: Without dead ends: 186 [2020-10-20 01:45:07,985 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 01:45:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-20 01:45:07,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-10-20 01:45:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-20 01:45:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 235 transitions. [2020-10-20 01:45:08,000 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 235 transitions. Word has length 54 [2020-10-20 01:45:08,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,000 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 235 transitions. [2020-10-20 01:45:08,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 235 transitions. [2020-10-20 01:45:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:45:08,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,001 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, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:45:08,002 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,002 INFO L82 PathProgramCache]: Analyzing trace with hash 525691295, now seen corresponding path program 1 times [2020-10-20 01:45:08,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991981118] [2020-10-20 01:45:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,118 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 01:45:08,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991981118] [2020-10-20 01:45:08,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363603142] [2020-10-20 01:45:08,119 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 01:45:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:08,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:08,385 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 01:45:08,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:08,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-10-20 01:45:08,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215902947] [2020-10-20 01:45:08,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 01:45:08,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 01:45:08,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:08,388 INFO L87 Difference]: Start difference. First operand 186 states and 235 transitions. Second operand 9 states. [2020-10-20 01:45:08,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,748 INFO L93 Difference]: Finished difference Result 426 states and 551 transitions. [2020-10-20 01:45:08,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:45:08,749 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-20 01:45:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,751 INFO L225 Difference]: With dead ends: 426 [2020-10-20 01:45:08,751 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:08,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-20 01:45:08,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:08,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:08,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-20 01:45:08,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,754 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:08,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 01:45:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:08,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:08,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-20 01:45:08,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:09,574 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2020-10-20 01:45:09,746 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2020-10-20 01:45:09,888 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 80 [2020-10-20 01:45:10,084 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2020-10-20 01:45:10,233 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 13 [2020-10-20 01:45:10,469 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2020-10-20 01:45:10,881 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2020-10-20 01:45:11,050 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 25 [2020-10-20 01:45:11,331 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2020-10-20 01:45:11,580 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 27 [2020-10-20 01:45:11,751 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2020-10-20 01:45:12,055 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2020-10-20 01:45:12,194 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-10-20 01:45:12,448 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2020-10-20 01:45:12,580 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2020-10-20 01:45:12,639 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,639 INFO L274 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-10-20 01:45:12,639 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2020-10-20 01:45:12,639 INFO L274 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2020-10-20 01:45:12,639 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L169-1(lines 169 186) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L169-2(lines 169 186) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L964(lines 964 970) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L964-1(lines 964 970) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L964-2(lines 964 970) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L964-3(lines 964 970) no Hoare annotation was computed. [2020-10-20 01:45:12,640 INFO L274 CegarLoopResult]: For program point L964-4(lines 964 970) no Hoare annotation was computed. [2020-10-20 01:45:12,641 INFO L274 CegarLoopResult]: For program point L964-5(lines 964 970) no Hoare annotation was computed. [2020-10-20 01:45:12,641 INFO L274 CegarLoopResult]: For program point L271(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,641 INFO L274 CegarLoopResult]: For program point L271-2(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,642 INFO L274 CegarLoopResult]: For program point L271-3(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,642 INFO L274 CegarLoopResult]: For program point L271-5(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,642 INFO L274 CegarLoopResult]: For program point L271-6(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,642 INFO L274 CegarLoopResult]: For program point L271-8(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,642 INFO L274 CegarLoopResult]: For program point L271-9(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,643 INFO L274 CegarLoopResult]: For program point L271-11(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,643 INFO L274 CegarLoopResult]: For program point L899(lines 899 903) no Hoare annotation was computed. [2020-10-20 01:45:12,643 INFO L274 CegarLoopResult]: For program point L271-12(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,643 INFO L274 CegarLoopResult]: For program point L271-14(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,643 INFO L274 CegarLoopResult]: For program point L271-15(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,643 INFO L274 CegarLoopResult]: For program point L271-17(lines 271 275) no Hoare annotation was computed. [2020-10-20 01:45:12,644 INFO L274 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2020-10-20 01:45:12,644 INFO L274 CegarLoopResult]: For program point L173-1(lines 173 181) no Hoare annotation was computed. [2020-10-20 01:45:12,644 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 181) no Hoare annotation was computed. [2020-10-20 01:45:12,644 INFO L274 CegarLoopResult]: For program point L438(lines 438 451) no Hoare annotation was computed. [2020-10-20 01:45:12,645 INFO L270 CegarLoopResult]: At program point L472(lines 467 474) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,645 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,645 INFO L270 CegarLoopResult]: At program point L76(lines 1 973) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,645 INFO L270 CegarLoopResult]: At program point L308-2(lines 308 322) the Hoare annotation is: false [2020-10-20 01:45:12,645 INFO L274 CegarLoopResult]: For program point L143(lines 143 160) no Hoare annotation was computed. [2020-10-20 01:45:12,646 INFO L274 CegarLoopResult]: For program point L143-1(lines 143 160) no Hoare annotation was computed. [2020-10-20 01:45:12,646 INFO L274 CegarLoopResult]: For program point L143-2(lines 143 160) no Hoare annotation was computed. [2020-10-20 01:45:12,646 INFO L274 CegarLoopResult]: For program point L143-3(lines 143 160) no Hoare annotation was computed. [2020-10-20 01:45:12,646 INFO L274 CegarLoopResult]: For program point L143-4(lines 143 160) no Hoare annotation was computed. [2020-10-20 01:45:12,646 INFO L274 CegarLoopResult]: For program point L143-5(lines 143 160) no Hoare annotation was computed. [2020-10-20 01:45:12,647 INFO L270 CegarLoopResult]: At program point L969(lines 960 973) the Hoare annotation is: false [2020-10-20 01:45:12,647 INFO L270 CegarLoopResult]: At program point L969-1(lines 960 973) 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 01:45:12,647 INFO L270 CegarLoopResult]: At program point L969-2(lines 960 973) the Hoare annotation is: false [2020-10-20 01:45:12,647 INFO L270 CegarLoopResult]: At program point L969-3(lines 960 973) the Hoare annotation is: false [2020-10-20 01:45:12,647 INFO L270 CegarLoopResult]: At program point L969-4(lines 960 973) the Hoare annotation is: false [2020-10-20 01:45:12,648 INFO L270 CegarLoopResult]: At program point L969-5(lines 960 973) the Hoare annotation is: false [2020-10-20 01:45:12,648 INFO L274 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-10-20 01:45:12,648 INFO L270 CegarLoopResult]: At program point L111(lines 107 129) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3))) [2020-10-20 01:45:12,648 INFO L270 CegarLoopResult]: At program point L111-1(lines 107 129) the Hoare annotation is: false [2020-10-20 01:45:12,649 INFO L270 CegarLoopResult]: At program point L111-2(lines 107 129) the Hoare annotation is: false [2020-10-20 01:45:12,649 INFO L274 CegarLoopResult]: For program point L409(lines 408 455) no Hoare annotation was computed. [2020-10-20 01:45:12,649 INFO L270 CegarLoopResult]: At program point L277(lines 262 280) the Hoare annotation is: false [2020-10-20 01:45:12,649 INFO L270 CegarLoopResult]: At program point L277-1(lines 262 280) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (<= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)))) [2020-10-20 01:45:12,649 INFO L270 CegarLoopResult]: At program point L277-2(lines 262 280) the Hoare annotation is: false [2020-10-20 01:45:12,650 INFO L270 CegarLoopResult]: At program point L277-3(lines 262 280) the Hoare annotation is: false [2020-10-20 01:45:12,650 INFO L270 CegarLoopResult]: At program point L277-4(lines 262 280) the Hoare annotation is: false [2020-10-20 01:45:12,650 INFO L270 CegarLoopResult]: At program point L277-5(lines 262 280) the Hoare annotation is: false [2020-10-20 01:45:12,650 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-20 01:45:12,650 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-20 01:45:12,651 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-20 01:45:12,651 INFO L274 CegarLoopResult]: For program point L410(lines 410 414) no Hoare annotation was computed. [2020-10-20 01:45:12,651 INFO L274 CegarLoopResult]: For program point L444(lines 444 450) no Hoare annotation was computed. [2020-10-20 01:45:12,651 INFO L270 CegarLoopResult]: At program point L444-1(lines 444 450) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:12,651 INFO L274 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-10-20 01:45:12,652 INFO L274 CegarLoopResult]: For program point L312-1(lines 312 316) no Hoare annotation was computed. [2020-10-20 01:45:12,652 INFO L270 CegarLoopResult]: At program point L213(lines 206 216) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:45:12,652 INFO L270 CegarLoopResult]: At program point L213-1(lines 206 216) the Hoare annotation is: false [2020-10-20 01:45:12,652 INFO L274 CegarLoopResult]: For program point L147(lines 147 155) no Hoare annotation was computed. [2020-10-20 01:45:12,652 INFO L270 CegarLoopResult]: At program point L213-2(lines 206 216) the Hoare annotation is: false [2020-10-20 01:45:12,653 INFO L274 CegarLoopResult]: For program point L147-1(lines 147 155) no Hoare annotation was computed. [2020-10-20 01:45:12,653 INFO L274 CegarLoopResult]: For program point L147-2(lines 147 155) no Hoare annotation was computed. [2020-10-20 01:45:12,653 INFO L274 CegarLoopResult]: For program point L147-3(lines 147 155) no Hoare annotation was computed. [2020-10-20 01:45:12,653 INFO L274 CegarLoopResult]: For program point L147-4(lines 147 155) no Hoare annotation was computed. [2020-10-20 01:45:12,653 INFO L274 CegarLoopResult]: For program point L147-5(lines 147 155) no Hoare annotation was computed. [2020-10-20 01:45:12,653 INFO L270 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,654 INFO L270 CegarLoopResult]: At program point L118(lines 118 124) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:12,654 INFO L270 CegarLoopResult]: At program point L118-1(lines 118 124) the Hoare annotation is: false [2020-10-20 01:45:12,654 INFO L270 CegarLoopResult]: At program point L118-2(lines 118 124) the Hoare annotation is: false [2020-10-20 01:45:12,654 INFO L274 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2020-10-20 01:45:12,655 INFO L270 CegarLoopResult]: At program point L482(lines 111 117) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse4))) [2020-10-20 01:45:12,655 INFO L270 CegarLoopResult]: At program point L482-1(lines 111 117) the Hoare annotation is: false [2020-10-20 01:45:12,655 INFO L270 CegarLoopResult]: At program point L482-2(lines 111 117) the Hoare annotation is: false [2020-10-20 01:45:12,655 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,655 INFO L274 CegarLoopResult]: For program point L384(lines 384 391) no Hoare annotation was computed. [2020-10-20 01:45:12,655 INFO L277 CegarLoopResult]: At program point L384-1(lines 384 391) the Hoare annotation is: true [2020-10-20 01:45:12,656 INFO L274 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-10-20 01:45:12,656 INFO L270 CegarLoopResult]: At program point L285-1(lines 285 291) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:45:12,656 INFO L274 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-10-20 01:45:12,656 INFO L270 CegarLoopResult]: At program point L418-1(lines 418 424) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:12,657 INFO L270 CegarLoopResult]: At program point L222(lines 217 225) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (or (<= ~waterLevel~0 1) .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse7 .cse4) (and .cse5 (= 0 ~systemActive~0) .cse6 .cse7 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse3 .cse4)))) [2020-10-20 01:45:12,657 INFO L270 CegarLoopResult]: At program point L222-1(lines 217 225) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2020-10-20 01:45:12,657 INFO L270 CegarLoopResult]: At program point L222-2(lines 217 225) the Hoare annotation is: false [2020-10-20 01:45:12,657 INFO L270 CegarLoopResult]: At program point L222-3(lines 217 225) the Hoare annotation is: false [2020-10-20 01:45:12,658 INFO L270 CegarLoopResult]: At program point L222-4(lines 217 225) the Hoare annotation is: false [2020-10-20 01:45:12,658 INFO L270 CegarLoopResult]: At program point L222-5(lines 217 225) the Hoare annotation is: false [2020-10-20 01:45:12,658 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,658 INFO L270 CegarLoopResult]: At program point L456(lines 407 457) the Hoare annotation is: false [2020-10-20 01:45:12,658 INFO L270 CegarLoopResult]: At program point L358(lines 354 360) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,659 INFO L274 CegarLoopResult]: For program point L887(lines 887 891) no Hoare annotation was computed. [2020-10-20 01:45:12,659 INFO L274 CegarLoopResult]: For program point L887-3(lines 887 891) no Hoare annotation was computed. [2020-10-20 01:45:12,659 INFO L274 CegarLoopResult]: For program point L887-6(lines 887 891) no Hoare annotation was computed. [2020-10-20 01:45:12,659 INFO L277 CegarLoopResult]: At program point L393(lines 374 396) the Hoare annotation is: true [2020-10-20 01:45:12,659 INFO L274 CegarLoopResult]: For program point L493(lines 493 510) no Hoare annotation was computed. [2020-10-20 01:45:12,660 INFO L270 CegarLoopResult]: At program point L493-1(lines 1 973) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse5)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3) (and .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5 2) .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2020-10-20 01:45:12,660 INFO L274 CegarLoopResult]: For program point L493-2(lines 493 510) no Hoare annotation was computed. [2020-10-20 01:45:12,660 INFO L270 CegarLoopResult]: At program point L493-3(lines 1 973) the Hoare annotation is: false [2020-10-20 01:45:12,660 INFO L274 CegarLoopResult]: For program point L493-4(lines 493 510) no Hoare annotation was computed. [2020-10-20 01:45:12,660 INFO L270 CegarLoopResult]: At program point L493-5(lines 1 973) the Hoare annotation is: false [2020-10-20 01:45:12,661 INFO L270 CegarLoopResult]: At program point L956(lines 951 959) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse5)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2020-10-20 01:45:12,661 INFO L270 CegarLoopResult]: At program point L956-1(lines 951 959) the Hoare annotation is: false [2020-10-20 01:45:12,661 INFO L270 CegarLoopResult]: At program point L956-2(lines 951 959) the Hoare annotation is: false [2020-10-20 01:45:12,661 INFO L274 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-10-20 01:45:12,661 INFO L270 CegarLoopResult]: At program point L428-1(lines 428 434) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:12,662 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,662 INFO L270 CegarLoopResult]: At program point L924(lines 919 927) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:45:12,662 INFO L270 CegarLoopResult]: At program point L924-1(lines 919 927) the Hoare annotation is: false [2020-10-20 01:45:12,662 INFO L270 CegarLoopResult]: At program point L924-2(lines 919 927) the Hoare annotation is: false [2020-10-20 01:45:12,662 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,663 INFO L274 CegarLoopResult]: For program point L497(lines 497 507) no Hoare annotation was computed. [2020-10-20 01:45:12,663 INFO L274 CegarLoopResult]: For program point L497-2(lines 497 507) no Hoare annotation was computed. [2020-10-20 01:45:12,663 INFO L274 CegarLoopResult]: For program point L497-4(lines 497 507) no Hoare annotation was computed. [2020-10-20 01:45:12,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:12 BoogieIcfgContainer [2020-10-20 01:45:12,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:12,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:12,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:12,700 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:12,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:05" (3/4) ... [2020-10-20 01:45:12,704 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:12,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:12,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:12,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:12,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:12,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:12,731 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:12,733 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:12,766 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && tmp == 2) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2020-10-20 01:45:12,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:12,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:12,768 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:12,768 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:12,769 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:12,769 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:12,770 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:12,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((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 01:45:12,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-10-20 01:45:12,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-10-20 01:45:12,772 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 01:45:12,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 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 01:45:12,774 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) [2020-10-20 01:45:12,867 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:12,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:12,869 INFO L168 Benchmark]: Toolchain (without parser) took 9670.40 ms. Allocated memory was 36.2 MB in the beginning and 107.5 MB in the end (delta: 71.3 MB). Free memory was 19.0 MB in the beginning and 46.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 43.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,869 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 34.1 MB. Free memory was 12.5 MB in the beginning and 12.4 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.68 ms. Allocated memory was 36.2 MB in the beginning and 45.1 MB in the end (delta: 8.9 MB). Free memory was 18.1 MB in the beginning and 27.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.78 ms. Allocated memory is still 45.1 MB. Free memory was 27.5 MB in the beginning and 23.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,870 INFO L168 Benchmark]: Boogie Preprocessor took 54.02 ms. Allocated memory is still 45.1 MB. Free memory was 23.1 MB in the beginning and 20.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,871 INFO L168 Benchmark]: RCFGBuilder took 1133.83 ms. Allocated memory was 45.1 MB in the beginning and 48.8 MB in the end (delta: 3.7 MB). Free memory was 20.2 MB in the beginning and 11.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,871 INFO L168 Benchmark]: TraceAbstraction took 7582.05 ms. Allocated memory was 48.8 MB in the beginning and 107.5 MB in the end (delta: 58.7 MB). Free memory was 10.8 MB in the beginning and 59.5 MB in the end (delta: -48.8 MB). Peak memory consumption was 58.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,872 INFO L168 Benchmark]: Witness Printer took 168.28 ms. Allocated memory is still 107.5 MB. Free memory was 59.5 MB in the beginning and 46.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,875 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 34.1 MB. Free memory was 12.5 MB in the beginning and 12.4 MB in the end (delta: 47.7 kB). Peak memory consumption was 47.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 605.68 ms. Allocated memory was 36.2 MB in the beginning and 45.1 MB in the end (delta: 8.9 MB). Free memory was 18.1 MB in the beginning and 27.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 115.78 ms. Allocated memory is still 45.1 MB. Free memory was 27.5 MB in the beginning and 23.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 54.02 ms. Allocated memory is still 45.1 MB. Free memory was 23.1 MB in the beginning and 20.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1133.83 ms. Allocated memory was 45.1 MB in the beginning and 48.8 MB in the end (delta: 3.7 MB). Free memory was 20.2 MB in the beginning and 11.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7582.05 ms. Allocated memory was 48.8 MB in the beginning and 107.5 MB in the end (delta: 58.7 MB). Free memory was 10.8 MB in the beginning and 59.5 MB in the end (delta: -48.8 MB). Peak memory consumption was 58.3 MB. Max. memory is 14.3 GB. * Witness Printer took 168.28 ms. Allocated memory is still 107.5 MB. Free memory was 59.5 MB in the beginning and 46.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 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: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && tmp == 2) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: 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: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((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: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1149 SDtfs, 1485 SDslu, 1752 SDs, 0 SdLazy, 281 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 941 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 191 NumberOfFragments, 901 HoareAnnotationTreeSize, 51 FomulaSimplifications, 85790 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 51 FomulaSimplificationsInter, 13672 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 425 NumberOfCodeBlocks, 425 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 36062 SizeOfPredicates, 4 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 29/47 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...