./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product38.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_spec3_product38.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 23cbf887df70a1f42db96b12c0b9702076660a13 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:21:52,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:52,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:52,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:52,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:52,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:53,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:53,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:53,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:53,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:53,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:53,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:53,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:53,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:53,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:53,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:53,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:53,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:53,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:53,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:53,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:53,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:53,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:53,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:53,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:53,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:53,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:53,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:53,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:53,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:53,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:53,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:53,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:53,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:53,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:53,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:53,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:53,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:53,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:53,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:53,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:53,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:53,073 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:53,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:53,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:53,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:53,075 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:53,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:53,076 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:53,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:53,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:53,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:53,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:53,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:53,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:53,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:53,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:53,079 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:53,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:53,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:53,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:53,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:53,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:53,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:53,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:53,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:53,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:53,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:53,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:53,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:53,082 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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2019-11-28 00:21:53,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:53,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:53,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:53,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:53,422 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:53,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2019-11-28 00:21:53,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58485b290/0e5f1d5f74004368bb69b1fd23cd042e/FLAG21990a33e [2019-11-28 00:21:54,063 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:54,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2019-11-28 00:21:54,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58485b290/0e5f1d5f74004368bb69b1fd23cd042e/FLAG21990a33e [2019-11-28 00:21:54,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58485b290/0e5f1d5f74004368bb69b1fd23cd042e [2019-11-28 00:21:54,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:54,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:54,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:54,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:54,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:54,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:54" (1/1) ... [2019-11-28 00:21:54,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5596f513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:54, skipping insertion in model container [2019-11-28 00:21:54,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:54" (1/1) ... [2019-11-28 00:21:54,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:54,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:54,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:54,900 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:55,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:55,064 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:55,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55 WrapperNode [2019-11-28 00:21:55,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:55,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:55,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:55,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:55,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:55,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:55,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:55,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:55,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:55,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:55,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:55,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:55,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (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 00:21:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:55,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:56,187 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:56,187 INFO L297 CfgBuilder]: Removed 164 assume(true) statements. [2019-11-28 00:21:56,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:56 BoogieIcfgContainer [2019-11-28 00:21:56,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:56,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:56,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:56,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:56,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:54" (1/3) ... [2019-11-28 00:21:56,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff9b790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:56, skipping insertion in model container [2019-11-28 00:21:56,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55" (2/3) ... [2019-11-28 00:21:56,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff9b790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:56, skipping insertion in model container [2019-11-28 00:21:56,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:56" (3/3) ... [2019-11-28 00:21:56,203 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2019-11-28 00:21:56,213 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:56,221 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:56,231 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:56,253 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:56,253 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:56,253 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:56,253 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:56,254 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:56,254 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:56,254 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:56,254 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-28 00:21:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:56,281 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:56,282 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:56,282 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:56,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:56,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2019-11-28 00:21:56,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:56,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78241454] [2019-11-28 00:21:56,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:56,607 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 00:21:56,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78241454] [2019-11-28 00:21:56,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:56,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:56,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345902840] [2019-11-28 00:21:56,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:56,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:56,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:56,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:56,633 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-28 00:21:56,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:56,683 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-11-28 00:21:56,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:56,684 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:56,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:56,697 INFO L225 Difference]: With dead ends: 228 [2019-11-28 00:21:56,697 INFO L226 Difference]: Without dead ends: 113 [2019-11-28 00:21:56,701 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 00:21:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-28 00:21:56,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-28 00:21:56,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-28 00:21:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-11-28 00:21:56,754 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2019-11-28 00:21:56,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:56,755 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-11-28 00:21:56,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-28 00:21:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:56,756 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:56,757 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 00:21:56,757 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:56,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:56,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2019-11-28 00:21:56,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:56,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033044342] [2019-11-28 00:21:56,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:56,880 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 00:21:56,881 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033044342] [2019-11-28 00:21:56,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:56,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:56,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791569275] [2019-11-28 00:21:56,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:56,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:56,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:56,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:56,884 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-11-28 00:21:56,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:56,898 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-28 00:21:56,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:56,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:56,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:56,900 INFO L225 Difference]: With dead ends: 113 [2019-11-28 00:21:56,900 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 00:21:56,902 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 00:21:56,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 00:21:56,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 00:21:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 00:21:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-28 00:21:56,908 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-11-28 00:21:56,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:56,909 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-28 00:21:56,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-28 00:21:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:56,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:56,910 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] [2019-11-28 00:21:56,911 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:56,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:56,911 INFO L82 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2019-11-28 00:21:56,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:56,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104622311] [2019-11-28 00:21:56,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:57,049 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 00:21:57,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104622311] [2019-11-28 00:21:57,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:57,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:57,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580804177] [2019-11-28 00:21:57,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:57,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:57,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:57,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:57,051 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2019-11-28 00:21:57,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:57,094 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-11-28 00:21:57,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:57,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:57,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:57,096 INFO L225 Difference]: With dead ends: 88 [2019-11-28 00:21:57,098 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 00:21:57,099 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 00:21:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 00:21:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 00:21:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 00:21:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-28 00:21:57,116 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-11-28 00:21:57,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:57,116 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-28 00:21:57,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-28 00:21:57,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:57,119 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:57,119 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 00:21:57,120 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:57,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:57,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2019-11-28 00:21:57,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:57,123 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673917082] [2019-11-28 00:21:57,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:57,217 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 00:21:57,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673917082] [2019-11-28 00:21:57,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:57,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:57,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813699490] [2019-11-28 00:21:57,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:57,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:57,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:57,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:57,220 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-28 00:21:57,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:57,299 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2019-11-28 00:21:57,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:57,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:57,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:57,305 INFO L225 Difference]: With dead ends: 111 [2019-11-28 00:21:57,305 INFO L226 Difference]: Without dead ends: 70 [2019-11-28 00:21:57,306 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 00:21:57,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-28 00:21:57,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2019-11-28 00:21:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 00:21:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-11-28 00:21:57,325 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2019-11-28 00:21:57,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:57,326 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-28 00:21:57,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-28 00:21:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:57,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:57,331 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] [2019-11-28 00:21:57,332 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:57,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:57,332 INFO L82 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2019-11-28 00:21:57,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:57,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963910526] [2019-11-28 00:21:57,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:57,452 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 00:21:57,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963910526] [2019-11-28 00:21:57,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:57,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:57,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140866551] [2019-11-28 00:21:57,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:57,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:57,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:57,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:57,455 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2019-11-28 00:21:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:57,540 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2019-11-28 00:21:57,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:57,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:57,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:57,543 INFO L225 Difference]: With dead ends: 183 [2019-11-28 00:21:57,543 INFO L226 Difference]: Without dead ends: 121 [2019-11-28 00:21:57,544 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 00:21:57,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-28 00:21:57,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2019-11-28 00:21:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-28 00:21:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2019-11-28 00:21:57,556 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2019-11-28 00:21:57,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:57,556 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2019-11-28 00:21:57,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2019-11-28 00:21:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:57,558 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:57,558 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] [2019-11-28 00:21:57,559 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:57,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:57,560 INFO L82 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2019-11-28 00:21:57,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:57,561 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378796753] [2019-11-28 00:21:57,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:57,663 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 00:21:57,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378796753] [2019-11-28 00:21:57,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:57,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:57,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362037584] [2019-11-28 00:21:57,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:57,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:57,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:57,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:57,666 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2019-11-28 00:21:57,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:57,896 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2019-11-28 00:21:57,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:57,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:57,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:57,899 INFO L225 Difference]: With dead ends: 373 [2019-11-28 00:21:57,899 INFO L226 Difference]: Without dead ends: 305 [2019-11-28 00:21:57,900 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:57,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-11-28 00:21:57,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2019-11-28 00:21:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-28 00:21:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2019-11-28 00:21:57,917 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2019-11-28 00:21:57,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:57,917 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2019-11-28 00:21:57,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2019-11-28 00:21:57,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:57,919 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:57,919 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:57,919 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:57,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:57,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2019-11-28 00:21:57,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:57,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041343730] [2019-11-28 00:21:57,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:57,998 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 00:21:57,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041343730] [2019-11-28 00:21:57,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:57,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:57,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88099978] [2019-11-28 00:21:58,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:58,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:58,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:58,001 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 5 states. [2019-11-28 00:21:58,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,201 INFO L93 Difference]: Finished difference Result 628 states and 878 transitions. [2019-11-28 00:21:58,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:58,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,206 INFO L225 Difference]: With dead ends: 628 [2019-11-28 00:21:58,206 INFO L226 Difference]: Without dead ends: 560 [2019-11-28 00:21:58,207 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 00:21:58,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-28 00:21:58,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 181. [2019-11-28 00:21:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-11-28 00:21:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2019-11-28 00:21:58,234 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 245 transitions. Word has length 33 [2019-11-28 00:21:58,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,235 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 245 transitions. [2019-11-28 00:21:58,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 245 transitions. [2019-11-28 00:21:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:58,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,237 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,237 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2019-11-28 00:21:58,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198596347] [2019-11-28 00:21:58,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,282 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 00:21:58,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198596347] [2019-11-28 00:21:58,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:58,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380199904] [2019-11-28 00:21:58,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:21:58,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:21:58,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:58,285 INFO L87 Difference]: Start difference. First operand 181 states and 245 transitions. Second operand 4 states. [2019-11-28 00:21:58,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,348 INFO L93 Difference]: Finished difference Result 448 states and 616 transitions. [2019-11-28 00:21:58,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:58,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 00:21:58,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,351 INFO L225 Difference]: With dead ends: 448 [2019-11-28 00:21:58,351 INFO L226 Difference]: Without dead ends: 318 [2019-11-28 00:21:58,352 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:58,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-11-28 00:21:58,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2019-11-28 00:21:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-28 00:21:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 237 transitions. [2019-11-28 00:21:58,371 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 237 transitions. Word has length 33 [2019-11-28 00:21:58,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,372 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 237 transitions. [2019-11-28 00:21:58,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:21:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 237 transitions. [2019-11-28 00:21:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:58,373 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,373 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,374 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2019-11-28 00:21:58,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103827265] [2019-11-28 00:21:58,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,433 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 00:21:58,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103827265] [2019-11-28 00:21:58,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:58,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939258596] [2019-11-28 00:21:58,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:58,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:58,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:58,436 INFO L87 Difference]: Start difference. First operand 175 states and 237 transitions. Second operand 5 states. [2019-11-28 00:21:58,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,599 INFO L93 Difference]: Finished difference Result 461 states and 637 transitions. [2019-11-28 00:21:58,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:58,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:58,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,601 INFO L225 Difference]: With dead ends: 461 [2019-11-28 00:21:58,602 INFO L226 Difference]: Without dead ends: 292 [2019-11-28 00:21:58,603 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:58,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-11-28 00:21:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 160. [2019-11-28 00:21:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-28 00:21:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 210 transitions. [2019-11-28 00:21:58,623 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 210 transitions. Word has length 33 [2019-11-28 00:21:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,624 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 210 transitions. [2019-11-28 00:21:58,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2019-11-28 00:21:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:58,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,625 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,626 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2019-11-28 00:21:58,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,627 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763329705] [2019-11-28 00:21:58,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,716 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 00:21:58,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763329705] [2019-11-28 00:21:58,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:58,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267887384] [2019-11-28 00:21:58,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:58,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:58,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:58,719 INFO L87 Difference]: Start difference. First operand 160 states and 210 transitions. Second operand 6 states. [2019-11-28 00:21:58,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,816 INFO L93 Difference]: Finished difference Result 434 states and 576 transitions. [2019-11-28 00:21:58,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:58,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-28 00:21:58,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,818 INFO L225 Difference]: With dead ends: 434 [2019-11-28 00:21:58,818 INFO L226 Difference]: Without dead ends: 280 [2019-11-28 00:21:58,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:58,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-11-28 00:21:58,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 160. [2019-11-28 00:21:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-28 00:21:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2019-11-28 00:21:58,835 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 33 [2019-11-28 00:21:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,835 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2019-11-28 00:21:58,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2019-11-28 00:21:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 00:21:58,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,836 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] [2019-11-28 00:21:58,837 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2019-11-28 00:21:58,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534422856] [2019-11-28 00:21:58,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:58,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534422856] [2019-11-28 00:21:58,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:58,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402118481] [2019-11-28 00:21:58,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:58,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:58,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:58,896 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand 5 states. [2019-11-28 00:21:59,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,062 INFO L93 Difference]: Finished difference Result 822 states and 1060 transitions. [2019-11-28 00:21:59,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:59,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-28 00:21:59,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,069 INFO L225 Difference]: With dead ends: 822 [2019-11-28 00:21:59,070 INFO L226 Difference]: Without dead ends: 668 [2019-11-28 00:21:59,071 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 00:21:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-11-28 00:21:59,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 312. [2019-11-28 00:21:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-11-28 00:21:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 395 transitions. [2019-11-28 00:21:59,113 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 395 transitions. Word has length 51 [2019-11-28 00:21:59,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,113 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 395 transitions. [2019-11-28 00:21:59,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 395 transitions. [2019-11-28 00:21:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-28 00:21:59,116 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,116 INFO L410 BasicCegarLoop]: trace histogram [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 00:21:59,116 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:59,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:59,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2019-11-28 00:21:59,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:59,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664142485] [2019-11-28 00:21:59,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 00:21:59,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664142485] [2019-11-28 00:21:59,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070304018] [2019-11-28 00:21:59,222 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 00:21:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:21:59,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 00:21:59,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:21:59,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-28 00:21:59,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789651971] [2019-11-28 00:21:59,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 00:21:59,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 00:21:59,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:21:59,454 INFO L87 Difference]: Start difference. First operand 312 states and 395 transitions. Second operand 10 states. [2019-11-28 00:21:59,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,871 INFO L93 Difference]: Finished difference Result 963 states and 1216 transitions. [2019-11-28 00:21:59,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 00:21:59,872 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2019-11-28 00:21:59,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,877 INFO L225 Difference]: With dead ends: 963 [2019-11-28 00:21:59,878 INFO L226 Difference]: Without dead ends: 657 [2019-11-28 00:21:59,879 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-11-28 00:21:59,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-11-28 00:21:59,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 296. [2019-11-28 00:21:59,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-28 00:21:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 364 transitions. [2019-11-28 00:21:59,926 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 364 transitions. Word has length 52 [2019-11-28 00:21:59,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,931 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 364 transitions. [2019-11-28 00:21:59,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 00:21:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 364 transitions. [2019-11-28 00:21:59,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-28 00:21:59,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,933 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] [2019-11-28 00:22:00,140 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:22:00,140 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:00,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:00,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2019-11-28 00:22:00,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:00,142 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587177246] [2019-11-28 00:22:00,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 00:22:00,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587177246] [2019-11-28 00:22:00,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:00,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:00,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047719333] [2019-11-28 00:22:00,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:22:00,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:00,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:22:00,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:22:00,236 INFO L87 Difference]: Start difference. First operand 296 states and 364 transitions. Second operand 6 states. [2019-11-28 00:22:00,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:00,422 INFO L93 Difference]: Finished difference Result 737 states and 924 transitions. [2019-11-28 00:22:00,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 00:22:00,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-28 00:22:00,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:00,424 INFO L225 Difference]: With dead ends: 737 [2019-11-28 00:22:00,424 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:00,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-11-28 00:22:00,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:00,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:00,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-11-28 00:22:00,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:00,426 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:00,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:00,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:00,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:01,260 WARN L192 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 201 [2019-11-28 00:22:01,889 WARN L192 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 181 [2019-11-28 00:22:02,210 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 151 [2019-11-28 00:22:02,342 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-11-28 00:22:02,963 WARN L192 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2019-11-28 00:22:03,523 WARN L192 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 199 [2019-11-28 00:22:03,681 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 150 [2019-11-28 00:22:03,810 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 143 [2019-11-28 00:22:05,534 WARN L192 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 194 DAG size of output: 29 [2019-11-28 00:22:06,959 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2019-11-28 00:22:08,034 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 37 [2019-11-28 00:22:08,709 WARN L192 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-11-28 00:22:10,320 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 200 DAG size of output: 29 [2019-11-28 00:22:10,546 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 31 [2019-11-28 00:22:10,686 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2019-11-28 00:22:12,203 WARN L192 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 193 DAG size of output: 37 [2019-11-28 00:22:12,909 WARN L192 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 35 [2019-11-28 00:22:13,604 WARN L192 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 44 [2019-11-28 00:22:13,795 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2019-11-28 00:22:14,197 WARN L192 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 36 [2019-11-28 00:22:14,202 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-28 00:22:14,202 INFO L242 CegarLoopResult]: At program point L268(lines 261 271) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:22:14,203 INFO L242 CegarLoopResult]: At program point L268-1(lines 261 271) the Hoare annotation is: false [2019-11-28 00:22:14,203 INFO L246 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:22:14,203 INFO L242 CegarLoopResult]: At program point L268-2(lines 261 271) the Hoare annotation is: false [2019-11-28 00:22:14,203 INFO L246 CegarLoopResult]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:22:14,203 INFO L246 CegarLoopResult]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:22:14,204 INFO L246 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-11-28 00:22:14,204 INFO L246 CegarLoopResult]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:22:14,204 INFO L242 CegarLoopResult]: At program point L103-1(lines 103 109) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse5 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse6 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse9 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse10 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse8 .cse7 .cse9 .cse3 .cse10) (and .cse0 .cse8 .cse9 .cse2 .cse10 .cse3))) [2019-11-28 00:22:14,204 INFO L246 CegarLoopResult]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:22:14,204 INFO L246 CegarLoopResult]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2019-11-28 00:22:14,205 INFO L242 CegarLoopResult]: At program point L731-2(lines 731 745) the Hoare annotation is: false [2019-11-28 00:22:14,205 INFO L246 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-11-28 00:22:14,205 INFO L246 CegarLoopResult]: For program point L930-2(lines 930 936) no Hoare annotation was computed. [2019-11-28 00:22:14,205 INFO L246 CegarLoopResult]: For program point L930-4(lines 930 936) no Hoare annotation was computed. [2019-11-28 00:22:14,205 INFO L246 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2019-11-28 00:22:14,205 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:14,206 INFO L242 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7 .cse6 .cse8) (and .cse0 .cse1 .cse9 .cse7 .cse6) (and .cse0 .cse9 .cse7 .cse6 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8))) [2019-11-28 00:22:14,206 INFO L242 CegarLoopResult]: At program point L173-1(lines 173 179) the Hoare annotation is: false [2019-11-28 00:22:14,206 INFO L242 CegarLoopResult]: At program point L173-2(lines 173 179) the Hoare annotation is: false [2019-11-28 00:22:14,206 INFO L246 CegarLoopResult]: For program point L900(lines 900 906) no Hoare annotation was computed. [2019-11-28 00:22:14,206 INFO L246 CegarLoopResult]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2019-11-28 00:22:14,206 INFO L246 CegarLoopResult]: For program point L900-2(lines 900 906) no Hoare annotation was computed. [2019-11-28 00:22:14,206 INFO L246 CegarLoopResult]: For program point L900-3(lines 900 906) no Hoare annotation was computed. [2019-11-28 00:22:14,206 INFO L246 CegarLoopResult]: For program point L900-4(lines 900 906) no Hoare annotation was computed. [2019-11-28 00:22:14,206 INFO L246 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-11-28 00:22:14,206 INFO L246 CegarLoopResult]: For program point L900-5(lines 900 906) no Hoare annotation was computed. [2019-11-28 00:22:14,207 INFO L246 CegarLoopResult]: For program point L735-1(lines 166 172) no Hoare annotation was computed. [2019-11-28 00:22:14,207 INFO L242 CegarLoopResult]: At program point L141(lines 92 142) the Hoare annotation is: false [2019-11-28 00:22:14,208 INFO L246 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-11-28 00:22:14,208 INFO L246 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2019-11-28 00:22:14,208 INFO L249 CegarLoopResult]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2019-11-28 00:22:14,208 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-28 00:22:14,208 INFO L242 CegarLoopResult]: At program point L277(lines 272 280) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:14,209 INFO L242 CegarLoopResult]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2019-11-28 00:22:14,209 INFO L242 CegarLoopResult]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2019-11-28 00:22:14,209 INFO L242 CegarLoopResult]: At program point L905(lines 896 909) the Hoare annotation is: false [2019-11-28 00:22:14,209 INFO L242 CegarLoopResult]: At program point L905-1(lines 896 909) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3) (and .cse1 .cse5 .cse6 .cse2 .cse3) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2019-11-28 00:22:14,209 INFO L242 CegarLoopResult]: At program point L905-2(lines 896 909) the Hoare annotation is: false [2019-11-28 00:22:14,210 INFO L242 CegarLoopResult]: At program point L905-3(lines 896 909) the Hoare annotation is: false [2019-11-28 00:22:14,210 INFO L242 CegarLoopResult]: At program point L905-4(lines 896 909) the Hoare annotation is: false [2019-11-28 00:22:14,210 INFO L242 CegarLoopResult]: At program point L905-5(lines 896 909) the Hoare annotation is: false [2019-11-28 00:22:14,210 INFO L246 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2019-11-28 00:22:14,210 INFO L242 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse6) (and .cse0 .cse7 .cse6 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8))) [2019-11-28 00:22:14,211 INFO L249 CegarLoopResult]: At program point L811(lines 792 814) the Hoare annotation is: true [2019-11-28 00:22:14,211 INFO L242 CegarLoopResult]: At program point L779(lines 775 781) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:14,211 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:14,211 INFO L246 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-11-28 00:22:14,212 INFO L246 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2019-11-28 00:22:14,212 INFO L246 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-11-28 00:22:14,212 INFO L246 CegarLoopResult]: For program point L715-2(line 715) no Hoare annotation was computed. [2019-11-28 00:22:14,212 INFO L246 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-11-28 00:22:14,212 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:14,212 INFO L246 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2019-11-28 00:22:14,213 INFO L246 CegarLoopResult]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2019-11-28 00:22:14,213 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2019-11-28 00:22:14,213 INFO L246 CegarLoopResult]: For program point L94(lines 93 140) no Hoare annotation was computed. [2019-11-28 00:22:14,213 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:14,213 INFO L246 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2019-11-28 00:22:14,214 INFO L246 CegarLoopResult]: For program point L920-2(lines 920 940) no Hoare annotation was computed. [2019-11-28 00:22:14,214 INFO L246 CegarLoopResult]: For program point L920-4(lines 920 940) no Hoare annotation was computed. [2019-11-28 00:22:14,214 INFO L246 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,214 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,214 INFO L246 CegarLoopResult]: For program point L326-3(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,215 INFO L246 CegarLoopResult]: For program point L326-5(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,215 INFO L246 CegarLoopResult]: For program point L326-6(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,215 INFO L246 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2019-11-28 00:22:14,215 INFO L246 CegarLoopResult]: For program point L326-8(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,215 INFO L246 CegarLoopResult]: For program point L326-9(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,215 INFO L246 CegarLoopResult]: For program point L326-11(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,216 INFO L246 CegarLoopResult]: For program point L326-12(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,216 INFO L246 CegarLoopResult]: For program point L326-14(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,216 INFO L246 CegarLoopResult]: For program point L326-15(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,216 INFO L246 CegarLoopResult]: For program point L326-17(lines 326 330) no Hoare annotation was computed. [2019-11-28 00:22:14,216 INFO L246 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-11-28 00:22:14,217 INFO L246 CegarLoopResult]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2019-11-28 00:22:14,217 INFO L246 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2019-11-28 00:22:14,217 INFO L246 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2019-11-28 00:22:14,217 INFO L246 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2019-11-28 00:22:14,217 INFO L246 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2019-11-28 00:22:14,217 INFO L246 CegarLoopResult]: For program point L131(lines 131 135) no Hoare annotation was computed. [2019-11-28 00:22:14,218 INFO L242 CegarLoopResult]: At program point L65(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:14,218 INFO L242 CegarLoopResult]: At program point L131-2(lines 166 172) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse6) (and .cse0 .cse7 .cse6 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8))) [2019-11-28 00:22:14,218 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:14,218 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-28 00:22:14,218 INFO L246 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:22:14,219 INFO L246 CegarLoopResult]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:22:14,219 INFO L246 CegarLoopResult]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:22:14,219 INFO L246 CegarLoopResult]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:22:14,219 INFO L246 CegarLoopResult]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:22:14,219 INFO L246 CegarLoopResult]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2019-11-28 00:22:14,220 INFO L242 CegarLoopResult]: At program point L892(lines 887 895) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) .cse2 (= ~pumpRunning~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-28 00:22:14,220 INFO L242 CegarLoopResult]: At program point L892-1(lines 887 895) the Hoare annotation is: false [2019-11-28 00:22:14,220 INFO L242 CegarLoopResult]: At program point L892-2(lines 887 895) the Hoare annotation is: false [2019-11-28 00:22:14,220 INFO L242 CegarLoopResult]: At program point L166(lines 165 184) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse6) (and .cse0 .cse7 .cse6 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8))) [2019-11-28 00:22:14,220 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 172) no Hoare annotation was computed. [2019-11-28 00:22:14,221 INFO L242 CegarLoopResult]: At program point L166-2(lines 165 184) the Hoare annotation is: false [2019-11-28 00:22:14,221 INFO L242 CegarLoopResult]: At program point L166-3(lines 165 184) the Hoare annotation is: false [2019-11-28 00:22:14,221 INFO L246 CegarLoopResult]: For program point L926(lines 926 939) no Hoare annotation was computed. [2019-11-28 00:22:14,221 INFO L242 CegarLoopResult]: At program point L926-1(lines 1 943) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse4 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (= ~pumpRunning~0 1)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse13 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse4 .cse9 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse10 .cse1 .cse2 .cse3 .cse11 .cse12 .cse13 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse12 .cse5 .cse7 .cse8) (and .cse0 .cse10 (= 1 ~waterLevel~0) .cse6 .cse7) (and .cse0 .cse10 .cse11 .cse9 .cse6 .cse13 .cse7))) [2019-11-28 00:22:14,222 INFO L242 CegarLoopResult]: At program point L860(lines 855 863) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:22:14,222 INFO L246 CegarLoopResult]: For program point L926-2(lines 926 939) no Hoare annotation was computed. [2019-11-28 00:22:14,222 INFO L242 CegarLoopResult]: At program point L860-1(lines 855 863) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse11 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse10 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse8 .cse9 .cse10 .cse11 .cse6 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse10 .cse2 .cse11 .cse5) (and .cse0 .cse8 .cse9 .cse10 .cse6 .cse4 .cse5 .cse7))) [2019-11-28 00:22:14,222 INFO L242 CegarLoopResult]: At program point L926-3(lines 1 943) the Hoare annotation is: false [2019-11-28 00:22:14,222 INFO L242 CegarLoopResult]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2019-11-28 00:22:14,223 INFO L246 CegarLoopResult]: For program point L926-4(lines 926 939) no Hoare annotation was computed. [2019-11-28 00:22:14,223 INFO L242 CegarLoopResult]: At program point L860-3(lines 855 863) the Hoare annotation is: false [2019-11-28 00:22:14,223 INFO L242 CegarLoopResult]: At program point L926-5(lines 1 943) the Hoare annotation is: false [2019-11-28 00:22:14,223 INFO L242 CegarLoopResult]: At program point L860-4(lines 855 863) the Hoare annotation is: false [2019-11-28 00:22:14,223 INFO L242 CegarLoopResult]: At program point L860-5(lines 855 863) the Hoare annotation is: false [2019-11-28 00:22:14,224 INFO L242 CegarLoopResult]: At program point L332(lines 317 335) the Hoare annotation is: false [2019-11-28 00:22:14,224 INFO L242 CegarLoopResult]: At program point L332-1(lines 317 335) the Hoare annotation is: (let ((.cse10 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse9 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not .cse9)) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse4 (not .cse10)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse11 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7) (and .cse9 .cse0 .cse10 .cse5 .cse6 .cse7 .cse11) (and .cse9 .cse0 .cse1 .cse10 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse11) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse6 .cse7 .cse11)))) [2019-11-28 00:22:14,224 INFO L242 CegarLoopResult]: At program point L332-2(lines 317 335) the Hoare annotation is: false [2019-11-28 00:22:14,224 INFO L242 CegarLoopResult]: At program point L332-3(lines 317 335) the Hoare annotation is: false [2019-11-28 00:22:14,224 INFO L242 CegarLoopResult]: At program point L332-4(lines 317 335) the Hoare annotation is: false [2019-11-28 00:22:14,225 INFO L242 CegarLoopResult]: At program point L332-5(lines 317 335) the Hoare annotation is: false [2019-11-28 00:22:14,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:14 BoogieIcfgContainer [2019-11-28 00:22:14,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:14,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:14,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:14,270 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:14,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:56" (3/4) ... [2019-11-28 00:22:14,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:14,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:14,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:14,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:14,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:14,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:14,305 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:14,306 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:14,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((1 == systemActive && 1 <= tmp) && waterLevel <= 1) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == tmp) && 0 == splverifierCounter) [2019-11-28 00:22:14,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((1 == systemActive && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter) [2019-11-28 00:22:14,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 1) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,346 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == tmp) && 0 == splverifierCounter) [2019-11-28 00:22:14,347 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((\result == 0 && 1 == systemActive) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:22:14,347 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && \result == 1) && 0 == tmp) && 0 == splverifierCounter [2019-11-28 00:22:14,437 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:14,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:14,439 INFO L168 Benchmark]: Toolchain (without parser) took 20107.27 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 508.6 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -201.8 MB). Peak memory consumption was 306.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:14,439 INFO L168 Benchmark]: CDTParser took 0.31 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 00:22:14,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:14,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:14,440 INFO L168 Benchmark]: Boogie Preprocessor took 47.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:14,441 INFO L168 Benchmark]: RCFGBuilder took 997.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:14,441 INFO L168 Benchmark]: TraceAbstraction took 18077.50 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 383.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -142.6 MB). Peak memory consumption was 517.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:14,442 INFO L168 Benchmark]: Witness Printer took 168.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:14,444 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 731.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 997.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18077.50 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 383.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -142.6 MB). Peak memory consumption was 517.2 MB. Max. memory is 11.5 GB. * Witness Printer took 168.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 715]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 715]: 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: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((\result == 0 && 1 == systemActive) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && \result == 1) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((\result == 0 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == tmp) && 0 == splverifierCounter) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((1 == systemActive && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((1 == systemActive && 1 <= tmp) && waterLevel <= 1) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == tmp) && 0 == splverifierCounter)) || ((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= tmp) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == tmp) && 0 == splverifierCounter) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && waterLevel <= 1) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.7s, HoareTripleCheckerStatistics: 1346 SDtfs, 2048 SDslu, 2652 SDs, 0 SdLazy, 395 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=11, 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, 13 MinimizatonAttempts, 1724 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 263 NumberOfFragments, 1187 HoareAnnotationTreeSize, 46 FomulaSimplifications, 3629791 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 46 FomulaSimplificationsInter, 912076 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 38310 SizeOfPredicates, 4 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 50/58 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...