./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product48.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_spec2_product48.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 a22d1d84f43657cc690c98e940f1a10486e8ef5e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:21:07,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:07,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:07,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:07,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:07,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:07,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:07,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:07,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:07,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:07,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:07,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:07,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:07,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:07,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:07,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:07,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:07,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:07,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:07,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:07,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:07,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:07,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:07,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:07,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:07,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:07,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:07,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:07,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:07,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:07,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:07,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:07,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:07,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:07,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:07,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:07,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:07,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:07,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:07,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:07,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:07,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:07,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:07,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:07,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:07,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:07,184 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:07,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:07,184 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:07,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:07,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:07,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:07,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:07,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:07,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:07,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:07,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:07,188 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:07,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:07,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:07,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:07,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:07,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:07,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:07,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:07,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:07,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:07,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:07,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:07,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:07,191 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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2019-11-28 00:21:07,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:07,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:07,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:07,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:07,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:07,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-11-28 00:21:07,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6729d95e0/bf73ddac53604acb8ff8fef4ccefc3bd/FLAG5ca22cbf5 [2019-11-28 00:21:08,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:08,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-11-28 00:21:08,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6729d95e0/bf73ddac53604acb8ff8fef4ccefc3bd/FLAG5ca22cbf5 [2019-11-28 00:21:08,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6729d95e0/bf73ddac53604acb8ff8fef4ccefc3bd [2019-11-28 00:21:08,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:08,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:08,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:08,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:08,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:08,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:08" (1/1) ... [2019-11-28 00:21:08,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4f4d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:08, skipping insertion in model container [2019-11-28 00:21:08,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:08" (1/1) ... [2019-11-28 00:21:08,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:08,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:08,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:08,995 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:09,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:09,137 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:09,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09 WrapperNode [2019-11-28 00:21:09,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:09,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:09,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:09,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:09,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:09,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:09,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:09,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:09,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:09,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:09,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:09,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:09,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (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 00:21:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:10,335 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:10,336 INFO L297 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-28 00:21:10,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10 BoogieIcfgContainer [2019-11-28 00:21:10,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:10,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:10,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:10,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:10,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:08" (1/3) ... [2019-11-28 00:21:10,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7e9002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:10, skipping insertion in model container [2019-11-28 00:21:10,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (2/3) ... [2019-11-28 00:21:10,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7e9002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:10, skipping insertion in model container [2019-11-28 00:21:10,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10" (3/3) ... [2019-11-28 00:21:10,348 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-11-28 00:21:10,359 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:10,368 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:10,382 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:10,417 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:10,417 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:10,417 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:10,417 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:10,417 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:10,418 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:10,418 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:10,418 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-11-28 00:21:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:10,452 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:10,453 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 00:21:10,453 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:10,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:10,460 INFO L82 PathProgramCache]: Analyzing trace with hash -330996092, now seen corresponding path program 1 times [2019-11-28 00:21:10,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:10,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680505941] [2019-11-28 00:21:10,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:10,799 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 00:21:10,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680505941] [2019-11-28 00:21:10,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:10,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:10,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339484235] [2019-11-28 00:21:10,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:10,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:10,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:10,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:10,829 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-11-28 00:21:10,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:10,868 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2019-11-28 00:21:10,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:10,870 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:10,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:10,883 INFO L225 Difference]: With dead ends: 263 [2019-11-28 00:21:10,884 INFO L226 Difference]: Without dead ends: 131 [2019-11-28 00:21:10,888 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 00:21:10,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-28 00:21:10,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-28 00:21:10,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-28 00:21:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2019-11-28 00:21:10,935 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2019-11-28 00:21:10,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:10,936 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2019-11-28 00:21:10,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2019-11-28 00:21:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:10,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:10,938 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 00:21:10,938 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:10,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:10,938 INFO L82 PathProgramCache]: Analyzing trace with hash -549832061, now seen corresponding path program 1 times [2019-11-28 00:21:10,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:10,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196202569] [2019-11-28 00:21:10,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,021 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 00:21:11,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196202569] [2019-11-28 00:21:11,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:11,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66275211] [2019-11-28 00:21:11,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,025 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2019-11-28 00:21:11,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,054 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2019-11-28 00:21:11,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:11,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:11,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,057 INFO L225 Difference]: With dead ends: 131 [2019-11-28 00:21:11,057 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 00:21:11,058 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 00:21:11,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 00:21:11,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 00:21:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 00:21:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 00:21:11,066 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-28 00:21:11,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,067 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 00:21:11,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-28 00:21:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:11,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,069 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 00:21:11,069 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1314651584, now seen corresponding path program 1 times [2019-11-28 00:21:11,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314748406] [2019-11-28 00:21:11,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,165 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 00:21:11,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314748406] [2019-11-28 00:21:11,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:11,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356108210] [2019-11-28 00:21:11,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,169 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2019-11-28 00:21:11,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,234 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-11-28 00:21:11,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:11,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:11,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,242 INFO L225 Difference]: With dead ends: 151 [2019-11-28 00:21:11,242 INFO L226 Difference]: Without dead ends: 103 [2019-11-28 00:21:11,245 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 00:21:11,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-28 00:21:11,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2019-11-28 00:21:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-28 00:21:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2019-11-28 00:21:11,262 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2019-11-28 00:21:11,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,263 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2019-11-28 00:21:11,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2019-11-28 00:21:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:11,265 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,265 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 00:21:11,265 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,266 INFO L82 PathProgramCache]: Analyzing trace with hash 399769442, now seen corresponding path program 1 times [2019-11-28 00:21:11,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498445877] [2019-11-28 00:21:11,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,341 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 00:21:11,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498445877] [2019-11-28 00:21:11,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:11,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482605716] [2019-11-28 00:21:11,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,345 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand 3 states. [2019-11-28 00:21:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,409 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2019-11-28 00:21:11,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:11,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:11,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,413 INFO L225 Difference]: With dead ends: 234 [2019-11-28 00:21:11,413 INFO L226 Difference]: Without dead ends: 142 [2019-11-28 00:21:11,414 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 00:21:11,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-28 00:21:11,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-11-28 00:21:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 00:21:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2019-11-28 00:21:11,431 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2019-11-28 00:21:11,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,431 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2019-11-28 00:21:11,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:11,432 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2019-11-28 00:21:11,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:11,433 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,433 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] [2019-11-28 00:21:11,433 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,434 INFO L82 PathProgramCache]: Analyzing trace with hash -521625591, now seen corresponding path program 1 times [2019-11-28 00:21:11,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811211711] [2019-11-28 00:21:11,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,523 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 00:21:11,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811211711] [2019-11-28 00:21:11,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:11,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755892906] [2019-11-28 00:21:11,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:11,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:11,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:11,526 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand 5 states. [2019-11-28 00:21:11,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,826 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2019-11-28 00:21:11,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:11,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 00:21:11,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,831 INFO L225 Difference]: With dead ends: 685 [2019-11-28 00:21:11,831 INFO L226 Difference]: Without dead ends: 552 [2019-11-28 00:21:11,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:11,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-11-28 00:21:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2019-11-28 00:21:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-11-28 00:21:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2019-11-28 00:21:11,888 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2019-11-28 00:21:11,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,889 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2019-11-28 00:21:11,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2019-11-28 00:21:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:21:11,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,891 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:11,892 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1955770751, now seen corresponding path program 1 times [2019-11-28 00:21:11,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870142235] [2019-11-28 00:21:11,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,990 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 00:21:11,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870142235] [2019-11-28 00:21:11,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:11,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149286654] [2019-11-28 00:21:11,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:11,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:11,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:11,994 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand 5 states. [2019-11-28 00:21:12,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,182 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2019-11-28 00:21:12,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:12,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-11-28 00:21:12,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,188 INFO L225 Difference]: With dead ends: 997 [2019-11-28 00:21:12,188 INFO L226 Difference]: Without dead ends: 745 [2019-11-28 00:21:12,190 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 00:21:12,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-11-28 00:21:12,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2019-11-28 00:21:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-11-28 00:21:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2019-11-28 00:21:12,221 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2019-11-28 00:21:12,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,222 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2019-11-28 00:21:12,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2019-11-28 00:21:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:21:12,225 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,225 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:12,225 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1721615084, now seen corresponding path program 1 times [2019-11-28 00:21:12,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025897859] [2019-11-28 00:21:12,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,354 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 00:21:12,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025897859] [2019-11-28 00:21:12,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:12,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019729347] [2019-11-28 00:21:12,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,365 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand 5 states. [2019-11-28 00:21:12,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,467 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2019-11-28 00:21:12,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:12,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 00:21:12,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,472 INFO L225 Difference]: With dead ends: 687 [2019-11-28 00:21:12,472 INFO L226 Difference]: Without dead ends: 437 [2019-11-28 00:21:12,474 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 00:21:12,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-11-28 00:21:12,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2019-11-28 00:21:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-11-28 00:21:12,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2019-11-28 00:21:12,500 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2019-11-28 00:21:12,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,501 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2019-11-28 00:21:12,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2019-11-28 00:21:12,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:21:12,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,505 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:12,506 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,506 INFO L82 PathProgramCache]: Analyzing trace with hash 710497834, now seen corresponding path program 1 times [2019-11-28 00:21:12,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458044906] [2019-11-28 00:21:12,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,584 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 00:21:12,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458044906] [2019-11-28 00:21:12,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:12,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095852215] [2019-11-28 00:21:12,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,589 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand 5 states. [2019-11-28 00:21:12,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,793 INFO L93 Difference]: Finished difference Result 771 states and 1050 transitions. [2019-11-28 00:21:12,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:12,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 00:21:12,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,797 INFO L225 Difference]: With dead ends: 771 [2019-11-28 00:21:12,797 INFO L226 Difference]: Without dead ends: 497 [2019-11-28 00:21:12,799 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 00:21:12,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-11-28 00:21:12,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 297. [2019-11-28 00:21:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-11-28 00:21:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2019-11-28 00:21:12,829 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2019-11-28 00:21:12,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,829 INFO L462 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2019-11-28 00:21:12,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2019-11-28 00:21:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:21:12,832 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,860 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:12,860 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,862 INFO L82 PathProgramCache]: Analyzing trace with hash -310570520, now seen corresponding path program 1 times [2019-11-28 00:21:12,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165806435] [2019-11-28 00:21:12,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,932 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 00:21:12,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165806435] [2019-11-28 00:21:12,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:12,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982589229] [2019-11-28 00:21:12,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:12,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:12,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:12,934 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand 3 states. [2019-11-28 00:21:12,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,987 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2019-11-28 00:21:12,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:12,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-28 00:21:12,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,992 INFO L225 Difference]: With dead ends: 691 [2019-11-28 00:21:12,992 INFO L226 Difference]: Without dead ends: 401 [2019-11-28 00:21:12,993 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 00:21:12,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-11-28 00:21:13,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2019-11-28 00:21:13,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-11-28 00:21:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2019-11-28 00:21:13,027 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2019-11-28 00:21:13,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:13,029 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2019-11-28 00:21:13,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2019-11-28 00:21:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 00:21:13,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:13,031 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:13,032 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:13,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:13,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1785049304, now seen corresponding path program 1 times [2019-11-28 00:21:13,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:13,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585497690] [2019-11-28 00:21:13,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,107 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 00:21:13,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585497690] [2019-11-28 00:21:13,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:13,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:13,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125343549] [2019-11-28 00:21:13,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:13,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:13,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:13,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:13,110 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand 6 states. [2019-11-28 00:21:13,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:13,434 INFO L93 Difference]: Finished difference Result 1452 states and 1939 transitions. [2019-11-28 00:21:13,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 00:21:13,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-28 00:21:13,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:13,442 INFO L225 Difference]: With dead ends: 1452 [2019-11-28 00:21:13,442 INFO L226 Difference]: Without dead ends: 1058 [2019-11-28 00:21:13,443 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 00:21:13,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2019-11-28 00:21:13,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 401. [2019-11-28 00:21:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-11-28 00:21:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2019-11-28 00:21:13,489 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2019-11-28 00:21:13,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:13,489 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2019-11-28 00:21:13,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2019-11-28 00:21:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 00:21:13,491 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:13,491 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:13,492 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:13,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:13,492 INFO L82 PathProgramCache]: Analyzing trace with hash -2139873590, now seen corresponding path program 1 times [2019-11-28 00:21:13,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:13,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072808724] [2019-11-28 00:21:13,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 00:21:13,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072808724] [2019-11-28 00:21:13,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:13,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:13,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535982476] [2019-11-28 00:21:13,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:13,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:13,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:13,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:13,538 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand 3 states. [2019-11-28 00:21:13,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:13,604 INFO L93 Difference]: Finished difference Result 680 states and 883 transitions. [2019-11-28 00:21:13,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:13,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-11-28 00:21:13,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:13,607 INFO L225 Difference]: With dead ends: 680 [2019-11-28 00:21:13,607 INFO L226 Difference]: Without dead ends: 286 [2019-11-28 00:21:13,608 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 00:21:13,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-28 00:21:13,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2019-11-28 00:21:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-28 00:21:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2019-11-28 00:21:13,632 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 55 [2019-11-28 00:21:13,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:13,632 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2019-11-28 00:21:13,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:13,632 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2019-11-28 00:21:13,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 00:21:13,633 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:13,634 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, 1, 1, 1, 1] [2019-11-28 00:21:13,634 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:13,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:13,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1298914206, now seen corresponding path program 1 times [2019-11-28 00:21:13,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:13,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956868807] [2019-11-28 00:21:13,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,721 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 00:21:13,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956868807] [2019-11-28 00:21:13,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561114709] [2019-11-28 00:21:13,722 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 00:21:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 00:21:13,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:13,915 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 00:21:13,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:13,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-11-28 00:21:13,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100510075] [2019-11-28 00:21:13,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:13,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:13,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:13,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:13,918 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand 3 states. [2019-11-28 00:21:13,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:13,982 INFO L93 Difference]: Finished difference Result 405 states and 520 transitions. [2019-11-28 00:21:13,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:13,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-11-28 00:21:13,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:13,986 INFO L225 Difference]: With dead ends: 405 [2019-11-28 00:21:13,986 INFO L226 Difference]: Without dead ends: 403 [2019-11-28 00:21:13,987 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:13,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-11-28 00:21:14,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 302. [2019-11-28 00:21:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-11-28 00:21:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 392 transitions. [2019-11-28 00:21:14,017 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 392 transitions. Word has length 56 [2019-11-28 00:21:14,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:14,021 INFO L462 AbstractCegarLoop]: Abstraction has 302 states and 392 transitions. [2019-11-28 00:21:14,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 392 transitions. [2019-11-28 00:21:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-28 00:21:14,022 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:14,023 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 00:21:14,228 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:14,229 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:14,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:14,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1342172226, now seen corresponding path program 1 times [2019-11-28 00:21:14,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:14,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188068396] [2019-11-28 00:21:14,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 00:21:14,306 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188068396] [2019-11-28 00:21:14,306 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684143412] [2019-11-28 00:21:14,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:14,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 00:21:14,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 00:21:14,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:14,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-11-28 00:21:14,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379983819] [2019-11-28 00:21:14,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:14,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:14,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:14,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:21:14,524 INFO L87 Difference]: Start difference. First operand 302 states and 392 transitions. Second operand 6 states. [2019-11-28 00:21:14,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:14,820 INFO L93 Difference]: Finished difference Result 785 states and 1013 transitions. [2019-11-28 00:21:14,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 00:21:14,821 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-11-28 00:21:14,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:14,821 INFO L225 Difference]: With dead ends: 785 [2019-11-28 00:21:14,821 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:14,823 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-11-28 00:21:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:14,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:14,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-11-28 00:21:14,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:14,825 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:14,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:14,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:14,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:15,026 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:15,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:15,260 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 88 [2019-11-28 00:21:15,391 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 96 [2019-11-28 00:21:15,799 WARN L192 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 149 [2019-11-28 00:21:16,091 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2019-11-28 00:21:16,435 WARN L192 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 157 [2019-11-28 00:21:16,660 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 141 [2019-11-28 00:21:16,847 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 100 [2019-11-28 00:21:17,209 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 109 [2019-11-28 00:21:17,730 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 15 [2019-11-28 00:21:18,172 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-28 00:21:19,109 WARN L192 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-28 00:21:19,931 WARN L192 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2019-11-28 00:21:20,947 WARN L192 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-11-28 00:21:21,481 WARN L192 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 22 [2019-11-28 00:21:21,844 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 15 [2019-11-28 00:21:22,007 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 21 [2019-11-28 00:21:22,658 WARN L192 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 13 [2019-11-28 00:21:23,211 WARN L192 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-28 00:21:23,672 WARN L192 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2019-11-28 00:21:23,754 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-28 00:21:23,754 INFO L246 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-11-28 00:21:23,754 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2019-11-28 00:21:23,755 INFO L246 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2019-11-28 00:21:23,755 INFO L246 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-11-28 00:21:23,755 INFO L246 CegarLoopResult]: For program point L300-1(lines 300 308) no Hoare annotation was computed. [2019-11-28 00:21:23,755 INFO L246 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2019-11-28 00:21:23,755 INFO L246 CegarLoopResult]: For program point L300-3(lines 300 308) no Hoare annotation was computed. [2019-11-28 00:21:23,756 INFO L246 CegarLoopResult]: For program point L300-4(lines 300 308) no Hoare annotation was computed. [2019-11-28 00:21:23,756 INFO L242 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:23,756 INFO L246 CegarLoopResult]: For program point L300-5(lines 300 308) no Hoare annotation was computed. [2019-11-28 00:21:23,756 INFO L242 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:21:23,756 INFO L242 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:23,756 INFO L242 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:23,757 INFO L242 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:23,757 INFO L242 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-11-28 00:21:23,757 INFO L246 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-11-28 00:21:23,757 INFO L242 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse4) (and .cse7 .cse8 .cse9 .cse1 .cse2 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse2 .cse4))) [2019-11-28 00:21:23,757 INFO L242 CegarLoopResult]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 .cse4))) [2019-11-28 00:21:23,757 INFO L242 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: false [2019-11-28 00:21:23,757 INFO L242 CegarLoopResult]: At program point L271-2(lines 271 277) the Hoare annotation is: false [2019-11-28 00:21:23,758 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:23,758 INFO L242 CegarLoopResult]: At program point L901-2(lines 901 915) the Hoare annotation is: false [2019-11-28 00:21:23,758 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-28 00:21:23,758 INFO L246 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2019-11-28 00:21:23,758 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 00:21:23,758 INFO L246 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,758 INFO L246 CegarLoopResult]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,759 INFO L246 CegarLoopResult]: For program point L441-3(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,759 INFO L246 CegarLoopResult]: For program point L441-5(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,759 INFO L242 CegarLoopResult]: At program point L243(lines 192 244) the Hoare annotation is: false [2019-11-28 00:21:23,759 INFO L246 CegarLoopResult]: For program point L441-6(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,759 INFO L246 CegarLoopResult]: For program point L441-8(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,759 INFO L246 CegarLoopResult]: For program point L441-9(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,759 INFO L246 CegarLoopResult]: For program point L441-11(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,759 INFO L246 CegarLoopResult]: For program point L441-12(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,760 INFO L246 CegarLoopResult]: For program point L441-14(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,760 INFO L246 CegarLoopResult]: For program point L441-15(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,760 INFO L246 CegarLoopResult]: For program point L441-17(lines 441 445) no Hoare annotation was computed. [2019-11-28 00:21:23,760 INFO L246 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-11-28 00:21:23,760 INFO L246 CegarLoopResult]: For program point L905-1(lines 264 270) no Hoare annotation was computed. [2019-11-28 00:21:23,760 INFO L246 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-11-28 00:21:23,760 INFO L242 CegarLoopResult]: At program point L213-1(lines 213 219) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse4 .cse5) (and .cse1 .cse3 .cse2 .cse5 .cse6))) [2019-11-28 00:21:23,761 INFO L246 CegarLoopResult]: For program point L973(lines 973 980) no Hoare annotation was computed. [2019-11-28 00:21:23,761 INFO L249 CegarLoopResult]: At program point L973-1(lines 973 980) the Hoare annotation is: true [2019-11-28 00:21:23,761 INFO L242 CegarLoopResult]: At program point L447(lines 432 450) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:23,761 INFO L242 CegarLoopResult]: At program point L447-1(lines 432 450) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:21:23,761 INFO L242 CegarLoopResult]: At program point L447-2(lines 432 450) the Hoare annotation is: false [2019-11-28 00:21:23,761 INFO L242 CegarLoopResult]: At program point L447-3(lines 432 450) the Hoare annotation is: false [2019-11-28 00:21:23,761 INFO L242 CegarLoopResult]: At program point L447-4(lines 432 450) the Hoare annotation is: false [2019-11-28 00:21:23,761 INFO L242 CegarLoopResult]: At program point L447-5(lines 432 450) the Hoare annotation is: false [2019-11-28 00:21:23,762 INFO L242 CegarLoopResult]: At program point L482(lines 477 484) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:23,762 INFO L242 CegarLoopResult]: At program point L383(lines 376 386) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 00:21:23,762 INFO L242 CegarLoopResult]: At program point L383-1(lines 376 386) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:23,762 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:23,762 INFO L242 CegarLoopResult]: At program point L383-2(lines 376 386) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:21:23,762 INFO L242 CegarLoopResult]: At program point L383-3(lines 376 386) the Hoare annotation is: false [2019-11-28 00:21:23,762 INFO L242 CegarLoopResult]: At program point L383-4(lines 376 386) the Hoare annotation is: false [2019-11-28 00:21:23,763 INFO L242 CegarLoopResult]: At program point L383-5(lines 376 386) the Hoare annotation is: false [2019-11-28 00:21:23,763 INFO L242 CegarLoopResult]: At program point L383-6(lines 376 386) the Hoare annotation is: false [2019-11-28 00:21:23,763 INFO L242 CegarLoopResult]: At program point L383-7(lines 376 386) the Hoare annotation is: false [2019-11-28 00:21:23,763 INFO L242 CegarLoopResult]: At program point L383-8(lines 376 386) the Hoare annotation is: false [2019-11-28 00:21:23,763 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:21:23,763 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:21:23,763 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:21:23,763 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 00:21:23,764 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:23,764 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:21:23,764 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3) (and .cse6 .cse2 .cse3 .cse7 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse7))) [2019-11-28 00:21:23,764 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:23,764 INFO L249 CegarLoopResult]: At program point L982(lines 963 985) the Hoare annotation is: true [2019-11-28 00:21:23,764 INFO L242 CegarLoopResult]: At program point L949(lines 945 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:23,765 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:23,765 INFO L242 CegarLoopResult]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:23,765 INFO L242 CegarLoopResult]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:23,765 INFO L242 CegarLoopResult]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:23,765 INFO L242 CegarLoopResult]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:23,765 INFO L242 CegarLoopResult]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:23,765 INFO L242 CegarLoopResult]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-11-28 00:21:23,765 INFO L246 CegarLoopResult]: For program point L322(lines 322 339) no Hoare annotation was computed. [2019-11-28 00:21:23,765 INFO L246 CegarLoopResult]: For program point L322-1(lines 322 339) no Hoare annotation was computed. [2019-11-28 00:21:23,766 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:23,766 INFO L246 CegarLoopResult]: For program point L322-2(lines 322 339) no Hoare annotation was computed. [2019-11-28 00:21:23,766 INFO L246 CegarLoopResult]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-11-28 00:21:23,766 INFO L246 CegarLoopResult]: For program point L455(lines 455 461) no Hoare annotation was computed. [2019-11-28 00:21:23,766 INFO L242 CegarLoopResult]: At program point L455-1(lines 455 461) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 00:21:23,766 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-28 00:21:23,766 INFO L246 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-11-28 00:21:23,766 INFO L246 CegarLoopResult]: For program point L885-2(line 885) no Hoare annotation was computed. [2019-11-28 00:21:23,766 INFO L246 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-11-28 00:21:23,767 INFO L246 CegarLoopResult]: For program point L358-2(lines 358 364) no Hoare annotation was computed. [2019-11-28 00:21:23,767 INFO L246 CegarLoopResult]: For program point L358-4(lines 358 364) no Hoare annotation was computed. [2019-11-28 00:21:23,767 INFO L246 CegarLoopResult]: For program point L358-6(lines 358 364) no Hoare annotation was computed. [2019-11-28 00:21:23,767 INFO L246 CegarLoopResult]: For program point L358-8(lines 358 364) no Hoare annotation was computed. [2019-11-28 00:21:23,767 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:23,767 INFO L246 CegarLoopResult]: For program point L358-10(lines 358 364) no Hoare annotation was computed. [2019-11-28 00:21:23,767 INFO L242 CegarLoopResult]: At program point L392(lines 387 395) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-28 00:21:23,767 INFO L242 CegarLoopResult]: At program point L392-1(lines 387 395) the Hoare annotation is: false [2019-11-28 00:21:23,768 INFO L246 CegarLoopResult]: For program point L326(lines 326 334) no Hoare annotation was computed. [2019-11-28 00:21:23,768 INFO L242 CegarLoopResult]: At program point L392-2(lines 387 395) the Hoare annotation is: false [2019-11-28 00:21:23,768 INFO L246 CegarLoopResult]: For program point L326-1(lines 326 334) no Hoare annotation was computed. [2019-11-28 00:21:23,768 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 334) no Hoare annotation was computed. [2019-11-28 00:21:23,768 INFO L246 CegarLoopResult]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-11-28 00:21:23,768 INFO L246 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-11-28 00:21:23,768 INFO L246 CegarLoopResult]: For program point L493(lines 493 510) no Hoare annotation was computed. [2019-11-28 00:21:23,768 INFO L242 CegarLoopResult]: At program point L493-1(lines 1 985) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse4) (and .cse7 .cse8 .cse9 .cse1 .cse2 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse8 .cse9 .cse2 .cse4))) [2019-11-28 00:21:23,769 INFO L246 CegarLoopResult]: For program point L493-2(lines 493 510) no Hoare annotation was computed. [2019-11-28 00:21:23,769 INFO L242 CegarLoopResult]: At program point L493-3(lines 1 985) the Hoare annotation is: false [2019-11-28 00:21:23,769 INFO L246 CegarLoopResult]: For program point L493-4(lines 493 510) no Hoare annotation was computed. [2019-11-28 00:21:23,769 INFO L242 CegarLoopResult]: At program point L493-5(lines 1 985) the Hoare annotation is: false [2019-11-28 00:21:23,769 INFO L246 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:23,769 INFO L246 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:23,769 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:23,769 INFO L246 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:23,769 INFO L246 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L296-1(lines 296 313) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L296-2(lines 296 313) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L296-3(lines 296 313) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L296-4(lines 296 313) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L296-5(lines 296 313) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:21:23,770 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:23,771 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-11-28 00:21:23,771 INFO L242 CegarLoopResult]: At program point L264(lines 263 282) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse4 .cse2 .cse3 .cse5) (and .cse1 .cse4 .cse2 .cse5) (and .cse0 .cse4 .cse2 .cse3))) [2019-11-28 00:21:23,771 INFO L246 CegarLoopResult]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-11-28 00:21:23,771 INFO L246 CegarLoopResult]: For program point L264-1(lines 264 270) no Hoare annotation was computed. [2019-11-28 00:21:23,771 INFO L242 CegarLoopResult]: At program point L231-1(lines 264 270) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse4 .cse2 .cse3 .cse5) (and .cse1 .cse4 .cse2 .cse5))) [2019-11-28 00:21:23,771 INFO L242 CegarLoopResult]: At program point L264-2(lines 263 282) the Hoare annotation is: false [2019-11-28 00:21:23,772 INFO L242 CegarLoopResult]: At program point L264-3(lines 263 282) the Hoare annotation is: false [2019-11-28 00:21:23,772 INFO L242 CegarLoopResult]: At program point L166(lines 1 985) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:23,772 INFO L246 CegarLoopResult]: For program point L497(lines 497 507) no Hoare annotation was computed. [2019-11-28 00:21:23,772 INFO L246 CegarLoopResult]: For program point L497-2(lines 497 507) no Hoare annotation was computed. [2019-11-28 00:21:23,772 INFO L246 CegarLoopResult]: For program point L497-4(lines 497 507) no Hoare annotation was computed. [2019-11-28 00:21:23,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:23 BoogieIcfgContainer [2019-11-28 00:21:23,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:23,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:23,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:23,808 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:23,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10" (3/4) ... [2019-11-28 00:21:23,813 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:23,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:23,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:23,840 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:23,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:23,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:23,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:23,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:23,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:23,879 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:23,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:23,887 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:23,887 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 00:21:23,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 00:21:23,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:23,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:21:23,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:23,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:21:23,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 00:21:23,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:21:23,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:21:24,009 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:24,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:24,011 INFO L168 Benchmark]: Toolchain (without parser) took 15556.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.7 MB). Free memory was 960.4 MB in the beginning and 1.3 GB in the end (delta: -297.8 MB). Peak memory consumption was 105.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:24,011 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:24,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:24,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.93 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 00:21:24,013 INFO L168 Benchmark]: Boogie Preprocessor took 77.63 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 00:21:24,013 INFO L168 Benchmark]: RCFGBuilder took 1037.52 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: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:24,014 INFO L168 Benchmark]: TraceAbstraction took 13468.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 275.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -233.5 MB). Peak memory consumption was 513.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:24,014 INFO L168 Benchmark]: Witness Printer took 201.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:24,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 681.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.93 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 77.63 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 1037.52 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: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13468.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 275.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -233.5 MB). Peak memory consumption was 513.5 MB. Max. memory is 11.5 GB. * Witness Printer took 201.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((\result == 0 && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) || ((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 4.6s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, HoareTripleCheckerStatistics: 1512 SDtfs, 2000 SDslu, 2679 SDs, 0 SdLazy, 380 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1909 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 315 NumberOfFragments, 897 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2888021 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 57 FomulaSimplificationsInter, 442949 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 595 ConstructedInterpolants, 0 QuantifiedInterpolants, 43789 SizeOfPredicates, 6 NumberOfNonLiveVariables, 914 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 138/142 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...