./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 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e803bbedaeee18bc8aba1072b7c7abad6be5dde7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:23:32,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:32,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:32,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:32,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:32,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:32,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:32,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:32,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:32,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:32,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:32,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:32,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:32,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:32,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:32,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:32,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:32,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:32,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:32,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:33,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:33,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:33,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:33,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:33,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:33,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:33,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:33,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:33,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:33,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:33,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:33,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:33,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:33,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:33,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:33,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:33,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:33,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:33,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:33,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:33,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:33,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:33,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:33,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:33,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:33,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:33,063 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:33,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:33,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:33,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:33,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:33,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:33,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:33,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:33,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:33,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:33,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:33,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:33,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:33,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:33,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:33,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:33,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:33,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:33,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:33,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:33,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:33,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:33,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:33,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:33,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e803bbedaeee18bc8aba1072b7c7abad6be5dde7 [2019-11-28 00:23:33,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:33,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:33,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:33,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:33,451 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:33,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2019-11-28 00:23:33,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b9e579d/f8c82621b4a14f6fb1c031d384b04605/FLAGb338a8401 [2019-11-28 00:23:33,988 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:33,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2019-11-28 00:23:34,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b9e579d/f8c82621b4a14f6fb1c031d384b04605/FLAGb338a8401 [2019-11-28 00:23:34,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b9e579d/f8c82621b4a14f6fb1c031d384b04605 [2019-11-28 00:23:34,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:34,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:34,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:34,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:34,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:34,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:34, skipping insertion in model container [2019-11-28 00:23:34,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:34" (1/1) ... [2019-11-28 00:23:34,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:34,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:34,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:34,878 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:34,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:35,019 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:35,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35 WrapperNode [2019-11-28 00:23:35,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:35,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:35,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:35,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:35,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:35,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:35,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:35,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:35,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... [2019-11-28 00:23:35,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:35,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:35,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:35,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:35,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:36,100 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:36,101 INFO L297 CfgBuilder]: Removed 174 assume(true) statements. [2019-11-28 00:23:36,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:36 BoogieIcfgContainer [2019-11-28 00:23:36,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:36,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:36,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:36,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:36,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:34" (1/3) ... [2019-11-28 00:23:36,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391a4444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:36, skipping insertion in model container [2019-11-28 00:23:36,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:35" (2/3) ... [2019-11-28 00:23:36,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391a4444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:36, skipping insertion in model container [2019-11-28 00:23:36,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:36" (3/3) ... [2019-11-28 00:23:36,118 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2019-11-28 00:23:36,126 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:36,133 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:36,142 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:36,165 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:36,165 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:36,165 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:36,165 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:36,166 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:36,166 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:36,166 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:36,166 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2019-11-28 00:23:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:36,192 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,192 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:36,193 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,198 INFO L82 PathProgramCache]: Analyzing trace with hash 570937186, now seen corresponding path program 1 times [2019-11-28 00:23:36,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732149484] [2019-11-28 00:23:36,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:36,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732149484] [2019-11-28 00:23:36,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:36,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101631140] [2019-11-28 00:23:36,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:36,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:36,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:36,463 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2019-11-28 00:23:36,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,499 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2019-11-28 00:23:36,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:36,501 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:36,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,514 INFO L225 Difference]: With dead ends: 237 [2019-11-28 00:23:36,514 INFO L226 Difference]: Without dead ends: 118 [2019-11-28 00:23:36,518 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:36,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-28 00:23:36,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-11-28 00:23:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-28 00:23:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2019-11-28 00:23:36,567 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2019-11-28 00:23:36,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,568 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2019-11-28 00:23:36,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2019-11-28 00:23:36,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:36,569 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,569 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:36,570 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1918010557, now seen corresponding path program 1 times [2019-11-28 00:23:36,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912688993] [2019-11-28 00:23:36,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:36,715 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912688993] [2019-11-28 00:23:36,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:36,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7068007] [2019-11-28 00:23:36,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:36,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:36,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:36,720 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2019-11-28 00:23:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,735 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2019-11-28 00:23:36,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:36,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:36,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,737 INFO L225 Difference]: With dead ends: 118 [2019-11-28 00:23:36,737 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 00:23:36,739 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:36,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 00:23:36,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 00:23:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 00:23:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-11-28 00:23:36,746 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-11-28 00:23:36,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,746 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-11-28 00:23:36,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-11-28 00:23:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:36,748 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,748 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:36,749 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,749 INFO L82 PathProgramCache]: Analyzing trace with hash 333982465, now seen corresponding path program 1 times [2019-11-28 00:23:36,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867149817] [2019-11-28 00:23:36,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:36,858 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867149817] [2019-11-28 00:23:36,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:36,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:36,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330577010] [2019-11-28 00:23:36,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:36,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:36,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:36,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:36,861 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2019-11-28 00:23:36,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:36,895 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2019-11-28 00:23:36,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:36,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:23:36,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:36,899 INFO L225 Difference]: With dead ends: 139 [2019-11-28 00:23:36,900 INFO L226 Difference]: Without dead ends: 95 [2019-11-28 00:23:36,901 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:36,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-28 00:23:36,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2019-11-28 00:23:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-28 00:23:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2019-11-28 00:23:36,913 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2019-11-28 00:23:36,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:36,916 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2019-11-28 00:23:36,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2019-11-28 00:23:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:23:36,918 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:36,918 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:36,919 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:36,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:36,919 INFO L82 PathProgramCache]: Analyzing trace with hash 139090872, now seen corresponding path program 1 times [2019-11-28 00:23:36,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:36,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192663334] [2019-11-28 00:23:36,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192663334] [2019-11-28 00:23:37,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:37,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393449354] [2019-11-28 00:23:37,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:37,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:37,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:37,026 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2019-11-28 00:23:37,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,086 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2019-11-28 00:23:37,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:37,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-28 00:23:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,089 INFO L225 Difference]: With dead ends: 222 [2019-11-28 00:23:37,089 INFO L226 Difference]: Without dead ends: 138 [2019-11-28 00:23:37,090 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:37,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-28 00:23:37,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2019-11-28 00:23:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 00:23:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2019-11-28 00:23:37,116 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2019-11-28 00:23:37,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,116 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2019-11-28 00:23:37,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2019-11-28 00:23:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 00:23:37,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,120 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:37,121 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,121 INFO L82 PathProgramCache]: Analyzing trace with hash 65503050, now seen corresponding path program 1 times [2019-11-28 00:23:37,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897805589] [2019-11-28 00:23:37,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897805589] [2019-11-28 00:23:37,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:37,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641805967] [2019-11-28 00:23:37,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:37,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:37,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:37,246 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2019-11-28 00:23:37,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,440 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2019-11-28 00:23:37,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:37,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 00:23:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,443 INFO L225 Difference]: With dead ends: 475 [2019-11-28 00:23:37,444 INFO L226 Difference]: Without dead ends: 346 [2019-11-28 00:23:37,445 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-28 00:23:37,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2019-11-28 00:23:37,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 00:23:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2019-11-28 00:23:37,476 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2019-11-28 00:23:37,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,477 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2019-11-28 00:23:37,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:37,478 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2019-11-28 00:23:37,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:37,482 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,482 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:37,483 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,483 INFO L82 PathProgramCache]: Analyzing trace with hash -755991289, now seen corresponding path program 1 times [2019-11-28 00:23:37,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966930545] [2019-11-28 00:23:37,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966930545] [2019-11-28 00:23:37,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:37,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364686555] [2019-11-28 00:23:37,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:37,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:37,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:37,568 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2019-11-28 00:23:37,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,659 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2019-11-28 00:23:37,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:37,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:23:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,662 INFO L225 Difference]: With dead ends: 363 [2019-11-28 00:23:37,663 INFO L226 Difference]: Without dead ends: 236 [2019-11-28 00:23:37,664 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:23:37,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-11-28 00:23:37,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2019-11-28 00:23:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-28 00:23:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2019-11-28 00:23:37,695 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2019-11-28 00:23:37,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,697 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2019-11-28 00:23:37,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2019-11-28 00:23:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:37,700 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,700 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:37,704 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,705 INFO L82 PathProgramCache]: Analyzing trace with hash -54926711, now seen corresponding path program 1 times [2019-11-28 00:23:37,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220853085] [2019-11-28 00:23:37,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:37,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220853085] [2019-11-28 00:23:37,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:37,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:37,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005399286] [2019-11-28 00:23:37,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:37,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:37,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:37,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:37,781 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 5 states. [2019-11-28 00:23:37,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:37,908 INFO L93 Difference]: Finished difference Result 406 states and 552 transitions. [2019-11-28 00:23:37,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:37,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:23:37,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:37,911 INFO L225 Difference]: With dead ends: 406 [2019-11-28 00:23:37,911 INFO L226 Difference]: Without dead ends: 267 [2019-11-28 00:23:37,913 INFO L630 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 [2019-11-28 00:23:37,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2019-11-28 00:23:37,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 154. [2019-11-28 00:23:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-28 00:23:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2019-11-28 00:23:37,931 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2019-11-28 00:23:37,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:37,932 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2019-11-28 00:23:37,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2019-11-28 00:23:37,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:37,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:37,937 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:37,938 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:37,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:37,938 INFO L82 PathProgramCache]: Analyzing trace with hash -641732725, now seen corresponding path program 1 times [2019-11-28 00:23:37,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:37,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584521797] [2019-11-28 00:23:37,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:38,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584521797] [2019-11-28 00:23:38,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:38,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:38,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487754294] [2019-11-28 00:23:38,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:38,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:38,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:38,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:38,004 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2019-11-28 00:23:38,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:38,039 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2019-11-28 00:23:38,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:38,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 00:23:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:38,042 INFO L225 Difference]: With dead ends: 359 [2019-11-28 00:23:38,042 INFO L226 Difference]: Without dead ends: 212 [2019-11-28 00:23:38,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:38,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-11-28 00:23:38,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-11-28 00:23:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-11-28 00:23:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2019-11-28 00:23:38,062 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2019-11-28 00:23:38,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:38,062 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2019-11-28 00:23:38,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2019-11-28 00:23:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 00:23:38,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:38,064 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:38,064 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:38,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:38,065 INFO L82 PathProgramCache]: Analyzing trace with hash -2037678901, now seen corresponding path program 1 times [2019-11-28 00:23:38,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:38,065 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184042508] [2019-11-28 00:23:38,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:38,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184042508] [2019-11-28 00:23:38,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:38,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:38,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291518828] [2019-11-28 00:23:38,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:38,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:38,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:38,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:38,179 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 6 states. [2019-11-28 00:23:38,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:38,444 INFO L93 Difference]: Finished difference Result 821 states and 1109 transitions. [2019-11-28 00:23:38,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:38,445 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 00:23:38,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:38,449 INFO L225 Difference]: With dead ends: 821 [2019-11-28 00:23:38,449 INFO L226 Difference]: Without dead ends: 674 [2019-11-28 00:23:38,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-11-28 00:23:38,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 305. [2019-11-28 00:23:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-11-28 00:23:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 398 transitions. [2019-11-28 00:23:38,481 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 398 transitions. Word has length 35 [2019-11-28 00:23:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:38,482 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 398 transitions. [2019-11-28 00:23:38,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2019-11-28 00:23:38,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 00:23:38,483 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:38,484 INFO L410 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] [2019-11-28 00:23:38,484 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:38,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:38,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1173197201, now seen corresponding path program 1 times [2019-11-28 00:23:38,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:38,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789295334] [2019-11-28 00:23:38,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 00:23:38,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789295334] [2019-11-28 00:23:38,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:38,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:38,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322115291] [2019-11-28 00:23:38,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:38,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:38,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:38,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:38,526 INFO L87 Difference]: Start difference. First operand 305 states and 398 transitions. Second operand 3 states. [2019-11-28 00:23:38,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:38,579 INFO L93 Difference]: Finished difference Result 379 states and 494 transitions. [2019-11-28 00:23:38,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:38,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-11-28 00:23:38,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:38,581 INFO L225 Difference]: With dead ends: 379 [2019-11-28 00:23:38,582 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 00:23:38,583 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:38,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 00:23:38,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-11-28 00:23:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-28 00:23:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 191 transitions. [2019-11-28 00:23:38,600 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 191 transitions. Word has length 54 [2019-11-28 00:23:38,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:38,601 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 191 transitions. [2019-11-28 00:23:38,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:38,601 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 191 transitions. [2019-11-28 00:23:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 00:23:38,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:38,603 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:38,603 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:38,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:38,604 INFO L82 PathProgramCache]: Analyzing trace with hash 463651681, now seen corresponding path program 1 times [2019-11-28 00:23:38,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:38,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898122123] [2019-11-28 00:23:38,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:38,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:38,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898122123] [2019-11-28 00:23:38,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030531873] [2019-11-28 00:23:38,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:38,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:38,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:38,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:38,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-28 00:23:38,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643256777] [2019-11-28 00:23:38,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:23:38,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:38,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:23:38,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:38,870 INFO L87 Difference]: Start difference. First operand 153 states and 191 transitions. Second operand 8 states. [2019-11-28 00:23:39,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:39,029 INFO L93 Difference]: Finished difference Result 308 states and 397 transitions. [2019-11-28 00:23:39,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:23:39,030 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-11-28 00:23:39,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:39,030 INFO L225 Difference]: With dead ends: 308 [2019-11-28 00:23:39,031 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:39,031 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:39,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:39,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:39,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-11-28 00:23:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:39,033 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:39,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:23:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:39,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:39,234 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:39,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:39,374 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2019-11-28 00:23:40,314 WARN L192 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2019-11-28 00:23:40,673 WARN L192 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-11-28 00:23:40,904 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2019-11-28 00:23:41,105 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-11-28 00:23:41,373 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-11-28 00:23:41,701 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2019-11-28 00:23:41,865 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2019-11-28 00:23:42,188 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-11-28 00:23:42,530 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-28 00:23:42,535 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,537 INFO L246 CegarLoopResult]: For program point L962(lines 962 968) no Hoare annotation was computed. [2019-11-28 00:23:42,537 INFO L246 CegarLoopResult]: For program point L962-1(lines 962 968) no Hoare annotation was computed. [2019-11-28 00:23:42,537 INFO L246 CegarLoopResult]: For program point L962-2(lines 962 968) no Hoare annotation was computed. [2019-11-28 00:23:42,537 INFO L246 CegarLoopResult]: For program point L962-3(lines 962 968) no Hoare annotation was computed. [2019-11-28 00:23:42,537 INFO L246 CegarLoopResult]: For program point L962-4(lines 962 968) no Hoare annotation was computed. [2019-11-28 00:23:42,537 INFO L246 CegarLoopResult]: For program point L962-5(lines 962 968) no Hoare annotation was computed. [2019-11-28 00:23:42,537 INFO L246 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,538 INFO L246 CegarLoopResult]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,538 INFO L246 CegarLoopResult]: For program point L269-3(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,538 INFO L246 CegarLoopResult]: For program point L269-5(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,538 INFO L246 CegarLoopResult]: For program point L269-6(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,538 INFO L246 CegarLoopResult]: For program point L269-8(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,539 INFO L246 CegarLoopResult]: For program point L269-9(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,539 INFO L246 CegarLoopResult]: For program point L269-11(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,539 INFO L246 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2019-11-28 00:23:42,539 INFO L246 CegarLoopResult]: For program point L269-12(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,539 INFO L246 CegarLoopResult]: For program point L269-14(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,539 INFO L246 CegarLoopResult]: For program point L269-15(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,539 INFO L246 CegarLoopResult]: For program point L269-17(lines 269 273) no Hoare annotation was computed. [2019-11-28 00:23:42,540 INFO L246 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2019-11-28 00:23:42,540 INFO L246 CegarLoopResult]: For program point L171-1(lines 171 179) no Hoare annotation was computed. [2019-11-28 00:23:42,540 INFO L246 CegarLoopResult]: For program point L171-2(lines 171 179) no Hoare annotation was computed. [2019-11-28 00:23:42,541 INFO L246 CegarLoopResult]: For program point L436(lines 436 449) no Hoare annotation was computed. [2019-11-28 00:23:42,541 INFO L242 CegarLoopResult]: At program point L470(lines 465 472) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:42,541 INFO L242 CegarLoopResult]: At program point L74(lines 1 971) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:42,541 INFO L242 CegarLoopResult]: At program point L306-2(lines 306 320) the Hoare annotation is: false [2019-11-28 00:23:42,542 INFO L246 CegarLoopResult]: For program point L141(lines 141 158) no Hoare annotation was computed. [2019-11-28 00:23:42,542 INFO L246 CegarLoopResult]: For program point L141-1(lines 141 158) no Hoare annotation was computed. [2019-11-28 00:23:42,542 INFO L246 CegarLoopResult]: For program point L141-2(lines 141 158) no Hoare annotation was computed. [2019-11-28 00:23:42,542 INFO L246 CegarLoopResult]: For program point L141-3(lines 141 158) no Hoare annotation was computed. [2019-11-28 00:23:42,542 INFO L246 CegarLoopResult]: For program point L141-4(lines 141 158) no Hoare annotation was computed. [2019-11-28 00:23:42,543 INFO L246 CegarLoopResult]: For program point L141-5(lines 141 158) no Hoare annotation was computed. [2019-11-28 00:23:42,543 INFO L242 CegarLoopResult]: At program point L967(lines 958 971) the Hoare annotation is: false [2019-11-28 00:23:42,543 INFO L242 CegarLoopResult]: At program point L967-1(lines 958 971) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 00:23:42,543 INFO L242 CegarLoopResult]: At program point L967-2(lines 958 971) the Hoare annotation is: false [2019-11-28 00:23:42,544 INFO L242 CegarLoopResult]: At program point L967-3(lines 958 971) the Hoare annotation is: false [2019-11-28 00:23:42,544 INFO L242 CegarLoopResult]: At program point L967-4(lines 958 971) the Hoare annotation is: false [2019-11-28 00:23:42,544 INFO L242 CegarLoopResult]: At program point L967-5(lines 958 971) the Hoare annotation is: false [2019-11-28 00:23:42,544 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,544 INFO L246 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2019-11-28 00:23:42,545 INFO L242 CegarLoopResult]: At program point L109(lines 105 127) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and .cse3 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2))) [2019-11-28 00:23:42,545 INFO L242 CegarLoopResult]: At program point L109-1(lines 105 127) the Hoare annotation is: false [2019-11-28 00:23:42,545 INFO L242 CegarLoopResult]: At program point L109-2(lines 105 127) the Hoare annotation is: false [2019-11-28 00:23:42,545 INFO L246 CegarLoopResult]: For program point L407(lines 406 453) no Hoare annotation was computed. [2019-11-28 00:23:42,546 INFO L242 CegarLoopResult]: At program point L275(lines 260 278) the Hoare annotation is: false [2019-11-28 00:23:42,546 INFO L242 CegarLoopResult]: At program point L275-1(lines 260 278) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (<= ~waterLevel~0 1) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse1 .cse2))) [2019-11-28 00:23:42,546 INFO L242 CegarLoopResult]: At program point L275-2(lines 260 278) the Hoare annotation is: false [2019-11-28 00:23:42,546 INFO L242 CegarLoopResult]: At program point L275-3(lines 260 278) the Hoare annotation is: false [2019-11-28 00:23:42,546 INFO L242 CegarLoopResult]: At program point L275-4(lines 260 278) the Hoare annotation is: false [2019-11-28 00:23:42,547 INFO L242 CegarLoopResult]: At program point L275-5(lines 260 278) the Hoare annotation is: false [2019-11-28 00:23:42,547 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,547 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,547 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,547 INFO L246 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2019-11-28 00:23:42,548 INFO L246 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2019-11-28 00:23:42,548 INFO L242 CegarLoopResult]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (or .cse1 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse3) (and .cse5 .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse4 .cse3)))) [2019-11-28 00:23:42,548 INFO L246 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2019-11-28 00:23:42,548 INFO L246 CegarLoopResult]: For program point L310-1(lines 310 314) no Hoare annotation was computed. [2019-11-28 00:23:42,548 INFO L242 CegarLoopResult]: At program point L211(lines 204 214) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:42,549 INFO L242 CegarLoopResult]: At program point L211-1(lines 204 214) the Hoare annotation is: false [2019-11-28 00:23:42,549 INFO L246 CegarLoopResult]: For program point L145(lines 145 153) no Hoare annotation was computed. [2019-11-28 00:23:42,549 INFO L242 CegarLoopResult]: At program point L211-2(lines 204 214) the Hoare annotation is: false [2019-11-28 00:23:42,549 INFO L246 CegarLoopResult]: For program point L145-1(lines 145 153) no Hoare annotation was computed. [2019-11-28 00:23:42,549 INFO L246 CegarLoopResult]: For program point L145-2(lines 145 153) no Hoare annotation was computed. [2019-11-28 00:23:42,549 INFO L246 CegarLoopResult]: For program point L145-3(lines 145 153) no Hoare annotation was computed. [2019-11-28 00:23:42,550 INFO L246 CegarLoopResult]: For program point L145-4(lines 145 153) no Hoare annotation was computed. [2019-11-28 00:23:42,550 INFO L246 CegarLoopResult]: For program point L145-5(lines 145 153) no Hoare annotation was computed. [2019-11-28 00:23:42,550 INFO L242 CegarLoopResult]: At program point L82(lines 77 85) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:42,550 INFO L242 CegarLoopResult]: At program point L116(lines 116 122) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (or .cse1 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse3) (and .cse5 .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse4 .cse3)))) [2019-11-28 00:23:42,551 INFO L242 CegarLoopResult]: At program point L116-1(lines 116 122) the Hoare annotation is: false [2019-11-28 00:23:42,551 INFO L242 CegarLoopResult]: At program point L116-2(lines 116 122) the Hoare annotation is: false [2019-11-28 00:23:42,551 INFO L246 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2019-11-28 00:23:42,551 INFO L242 CegarLoopResult]: At program point L480(lines 109 115) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse4 .cse1 .cse2))) [2019-11-28 00:23:42,551 INFO L242 CegarLoopResult]: At program point L480-1(lines 109 115) the Hoare annotation is: false [2019-11-28 00:23:42,552 INFO L242 CegarLoopResult]: At program point L480-2(lines 109 115) the Hoare annotation is: false [2019-11-28 00:23:42,552 INFO L246 CegarLoopResult]: For program point L382(lines 382 389) no Hoare annotation was computed. [2019-11-28 00:23:42,552 INFO L249 CegarLoopResult]: At program point L382-1(lines 382 389) the Hoare annotation is: true [2019-11-28 00:23:42,552 INFO L246 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2019-11-28 00:23:42,552 INFO L242 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: (and (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:42,552 INFO L246 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2019-11-28 00:23:42,553 INFO L242 CegarLoopResult]: At program point L416-1(lines 416 422) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (or .cse1 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse3) (and .cse5 .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse4 .cse3)))) [2019-11-28 00:23:42,553 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:42,553 INFO L242 CegarLoopResult]: At program point L220(lines 215 223) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (or .cse1 (<= ~waterLevel~0 1))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse5 .cse4) (and .cse6 .cse7 .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse7 .cse5 .cse4)))) [2019-11-28 00:23:42,553 INFO L242 CegarLoopResult]: At program point L220-1(lines 215 223) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2 (= 0 ~systemActive~0)))) [2019-11-28 00:23:42,554 INFO L242 CegarLoopResult]: At program point L220-2(lines 215 223) the Hoare annotation is: false [2019-11-28 00:23:42,554 INFO L242 CegarLoopResult]: At program point L220-3(lines 215 223) the Hoare annotation is: false [2019-11-28 00:23:42,554 INFO L242 CegarLoopResult]: At program point L220-4(lines 215 223) the Hoare annotation is: false [2019-11-28 00:23:42,554 INFO L242 CegarLoopResult]: At program point L220-5(lines 215 223) the Hoare annotation is: false [2019-11-28 00:23:42,554 INFO L242 CegarLoopResult]: At program point L454(lines 405 455) the Hoare annotation is: false [2019-11-28 00:23:42,555 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:42,555 INFO L242 CegarLoopResult]: At program point L356(lines 352 358) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:42,555 INFO L246 CegarLoopResult]: For program point L885(lines 885 889) no Hoare annotation was computed. [2019-11-28 00:23:42,555 INFO L246 CegarLoopResult]: For program point L885-3(lines 885 889) no Hoare annotation was computed. [2019-11-28 00:23:42,555 INFO L246 CegarLoopResult]: For program point L885-6(lines 885 889) no Hoare annotation was computed. [2019-11-28 00:23:42,555 INFO L249 CegarLoopResult]: At program point L391(lines 372 394) the Hoare annotation is: true [2019-11-28 00:23:42,556 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:42,556 INFO L246 CegarLoopResult]: For program point L491(lines 491 508) no Hoare annotation was computed. [2019-11-28 00:23:42,556 INFO L242 CegarLoopResult]: At program point L491-1(lines 1 971) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5 2) .cse3) (and .cse5 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3)))) [2019-11-28 00:23:42,556 INFO L246 CegarLoopResult]: For program point L491-2(lines 491 508) no Hoare annotation was computed. [2019-11-28 00:23:42,556 INFO L242 CegarLoopResult]: At program point L491-3(lines 1 971) the Hoare annotation is: false [2019-11-28 00:23:42,557 INFO L246 CegarLoopResult]: For program point L491-4(lines 491 508) no Hoare annotation was computed. [2019-11-28 00:23:42,557 INFO L242 CegarLoopResult]: At program point L491-5(lines 1 971) the Hoare annotation is: false [2019-11-28 00:23:42,557 INFO L242 CegarLoopResult]: At program point L954(lines 949 957) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (or .cse5 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse2 .cse3)))) [2019-11-28 00:23:42,557 INFO L242 CegarLoopResult]: At program point L954-1(lines 949 957) the Hoare annotation is: false [2019-11-28 00:23:42,558 INFO L242 CegarLoopResult]: At program point L954-2(lines 949 957) the Hoare annotation is: false [2019-11-28 00:23:42,558 INFO L246 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2019-11-28 00:23:42,558 INFO L242 CegarLoopResult]: At program point L426-1(lines 426 432) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (or .cse1 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse3) (and .cse5 .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse4 .cse3)))) [2019-11-28 00:23:42,558 INFO L242 CegarLoopResult]: At program point L922(lines 917 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:42,558 INFO L242 CegarLoopResult]: At program point L922-1(lines 917 925) the Hoare annotation is: false [2019-11-28 00:23:42,559 INFO L242 CegarLoopResult]: At program point L922-2(lines 917 925) the Hoare annotation is: false [2019-11-28 00:23:42,559 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:42,559 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-28 00:23:42,559 INFO L246 CegarLoopResult]: For program point L495(lines 495 505) no Hoare annotation was computed. [2019-11-28 00:23:42,559 INFO L246 CegarLoopResult]: For program point L495-2(lines 495 505) no Hoare annotation was computed. [2019-11-28 00:23:42,560 INFO L246 CegarLoopResult]: For program point L495-4(lines 495 505) no Hoare annotation was computed. [2019-11-28 00:23:42,560 INFO L246 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:23:42,560 INFO L246 CegarLoopResult]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:23:42,560 INFO L246 CegarLoopResult]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2019-11-28 00:23:42,560 INFO L246 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2019-11-28 00:23:42,560 INFO L246 CegarLoopResult]: For program point L167-1(lines 167 184) no Hoare annotation was computed. [2019-11-28 00:23:42,561 INFO L246 CegarLoopResult]: For program point L167-2(lines 167 184) no Hoare annotation was computed. [2019-11-28 00:23:42,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:42 BoogieIcfgContainer [2019-11-28 00:23:42,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:42,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:42,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:42,605 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:42,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:36" (3/4) ... [2019-11-28 00:23:42,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:42,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:42,630 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:42,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:42,632 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:42,634 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:42,636 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:42,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:42,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 00:23:42,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter [2019-11-28 00:23:42,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter [2019-11-28 00:23:42,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 1) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:42,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive) [2019-11-28 00:23:42,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:42,765 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:42,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:42,767 INFO L168 Benchmark]: Toolchain (without parser) took 8405.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -91.9 MB). Peak memory consumption was 217.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:42,768 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:42,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:42,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:42,769 INFO L168 Benchmark]: Boogie Preprocessor took 48.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:23:42,769 INFO L168 Benchmark]: RCFGBuilder took 945.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:42,770 INFO L168 Benchmark]: TraceAbstraction took 6499.11 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -36.2 MB). Peak memory consumption was 328.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:42,770 INFO L168 Benchmark]: Witness Printer took 161.43 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:42,773 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 656.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 945.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6499.11 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -36.2 MB). Peak memory consumption was 328.6 MB. Max. memory is 11.5 GB. * Witness Printer took 161.43 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((((1 == systemActive && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && tmp == 2) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 1) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: ((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == systemActive && switchedOnBeforeTS == 1) && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, HoareTripleCheckerStatistics: 1147 SDtfs, 1322 SDslu, 1554 SDs, 0 SdLazy, 258 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred 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, 790 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 167 NumberOfFragments, 901 HoareAnnotationTreeSize, 51 FomulaSimplifications, 73376 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 16036 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 425 NumberOfCodeBlocks, 425 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 31739 SizeOfPredicates, 4 NumberOfNonLiveVariables, 416 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 41/47 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...