./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_product58.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 b6539c3f80a02f7679497281344dc3da1a82da6c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:25:23,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:23,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:23,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:23,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:23,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:23,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:23,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:23,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:23,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:23,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:23,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:23,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:23,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:23,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:23,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:23,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:23,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:23,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:23,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:23,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:23,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:23,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:23,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:23,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:23,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:23,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:23,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:23,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:23,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:23,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:23,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:23,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:23,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:23,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:23,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:23,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:23,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:23,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:23,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:23,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:23,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:23,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:23,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:23,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:23,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:23,205 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:23,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:23,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:23,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:23,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:23,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:23,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:23,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:23,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:23,207 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:23,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:23,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:23,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:23,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:23,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:23,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:23,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:23,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:23,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:23,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:23,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:23,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:23,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:23,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:23,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:23,212 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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2019-11-28 17:25:23,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:23,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:23,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:23,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:23,527 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:23,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2019-11-28 17:25:23,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80e5fb4e/17c0b4db92a34bf3812a73b29f51e735/FLAG5bc2a58f5 [2019-11-28 17:25:24,102 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:24,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2019-11-28 17:25:24,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80e5fb4e/17c0b4db92a34bf3812a73b29f51e735/FLAG5bc2a58f5 [2019-11-28 17:25:24,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80e5fb4e/17c0b4db92a34bf3812a73b29f51e735 [2019-11-28 17:25:24,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:24,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:24,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:24,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:24,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:24,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:24" (1/1) ... [2019-11-28 17:25:24,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c880e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:24, skipping insertion in model container [2019-11-28 17:25:24,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:24" (1/1) ... [2019-11-28 17:25:24,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:24,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:25,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:25,037 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:25,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:25,223 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:25,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25 WrapperNode [2019-11-28 17:25:25,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:25,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:25,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:25,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:25,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:25,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:25,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:25,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:25,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (1/1) ... [2019-11-28 17:25:25,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:25,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:25,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:25,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:25,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (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 17:25:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:25,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:26,357 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:26,357 INFO L287 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-28 17:25:26,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:26 BoogieIcfgContainer [2019-11-28 17:25:26,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:26,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:26,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:26,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:26,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:24" (1/3) ... [2019-11-28 17:25:26,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22971993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:26, skipping insertion in model container [2019-11-28 17:25:26,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25" (2/3) ... [2019-11-28 17:25:26,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22971993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:26, skipping insertion in model container [2019-11-28 17:25:26,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:26" (3/3) ... [2019-11-28 17:25:26,367 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2019-11-28 17:25:26,377 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:26,384 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:26,396 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:26,421 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:26,421 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:26,422 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:26,422 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:26,424 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:26,424 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:26,424 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:26,425 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:26,450 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-28 17:25:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:26,456 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:26,457 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 17:25:26,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:26,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:26,464 INFO L82 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2019-11-28 17:25:26,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:26,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068982609] [2019-11-28 17:25:26,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:26,752 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 17:25:26,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068982609] [2019-11-28 17:25:26,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:26,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:26,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797668566] [2019-11-28 17:25:26,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:26,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:26,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:26,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:26,778 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-11-28 17:25:26,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:26,818 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2019-11-28 17:25:26,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:26,820 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:26,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:26,832 INFO L225 Difference]: With dead ends: 271 [2019-11-28 17:25:26,832 INFO L226 Difference]: Without dead ends: 135 [2019-11-28 17:25:26,836 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 17:25:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-28 17:25:26,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-28 17:25:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 17:25:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2019-11-28 17:25:26,885 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2019-11-28 17:25:26,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:26,886 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-11-28 17:25:26,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2019-11-28 17:25:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:26,887 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:26,887 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 17:25:26,888 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:26,888 INFO L82 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2019-11-28 17:25:26,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:26,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484333858] [2019-11-28 17:25:26,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,020 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 17:25:27,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484333858] [2019-11-28 17:25:27,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:27,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945488679] [2019-11-28 17:25:27,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:27,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:27,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:27,026 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2019-11-28 17:25:27,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,045 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2019-11-28 17:25:27,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:27,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:27,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,047 INFO L225 Difference]: With dead ends: 135 [2019-11-28 17:25:27,047 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:25:27,049 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 17:25:27,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:25:27,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:25:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:25:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 17:25:27,056 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-28 17:25:27,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,056 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 17:25:27,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-28 17:25:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:27,057 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,058 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 17:25:27,058 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,058 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2019-11-28 17:25:27,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106273835] [2019-11-28 17:25:27,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,185 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 17:25:27,185 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106273835] [2019-11-28 17:25:27,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:27,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073422309] [2019-11-28 17:25:27,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:27,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:27,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:27,188 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-11-28 17:25:27,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,266 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-11-28 17:25:27,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:27,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 17:25:27,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,268 INFO L225 Difference]: With dead ends: 103 [2019-11-28 17:25:27,268 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:25:27,269 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 17:25:27,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:25:27,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:25:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:25:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-28 17:25:27,276 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-28 17:25:27,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,277 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-28 17:25:27,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-28 17:25:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:27,279 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,280 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 17:25:27,280 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,280 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2019-11-28 17:25:27,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,281 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796972285] [2019-11-28 17:25:27,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,353 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 17:25:27,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796972285] [2019-11-28 17:25:27,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:27,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508510151] [2019-11-28 17:25:27,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:27,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:27,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:27,356 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-28 17:25:27,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,404 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2019-11-28 17:25:27,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:27,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:27,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,408 INFO L225 Difference]: With dead ends: 125 [2019-11-28 17:25:27,408 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 17:25:27,409 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 17:25:27,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 17:25:27,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-11-28 17:25:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 17:25:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-11-28 17:25:27,421 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2019-11-28 17:25:27,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,422 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-11-28 17:25:27,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:27,422 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-28 17:25:27,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:25:27,423 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,424 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:27,424 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,424 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2019-11-28 17:25:27,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564969807] [2019-11-28 17:25:27,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,485 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 17:25:27,486 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564969807] [2019-11-28 17:25:27,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:27,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476321282] [2019-11-28 17:25:27,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:27,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:27,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:27,489 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-11-28 17:25:27,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,527 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2019-11-28 17:25:27,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:27,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-28 17:25:27,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,529 INFO L225 Difference]: With dead ends: 194 [2019-11-28 17:25:27,532 INFO L226 Difference]: Without dead ends: 126 [2019-11-28 17:25:27,533 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 17:25:27,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-28 17:25:27,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-11-28 17:25:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 17:25:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-11-28 17:25:27,561 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2019-11-28 17:25:27,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,561 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-11-28 17:25:27,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-11-28 17:25:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:25:27,564 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,564 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:27,564 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2019-11-28 17:25:27,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920430624] [2019-11-28 17:25:27,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,656 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 17:25:27,656 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920430624] [2019-11-28 17:25:27,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:27,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843259008] [2019-11-28 17:25:27,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:27,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:27,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:27,659 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2019-11-28 17:25:27,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,809 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2019-11-28 17:25:27,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:27,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:25:27,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,813 INFO L225 Difference]: With dead ends: 622 [2019-11-28 17:25:27,813 INFO L226 Difference]: Without dead ends: 505 [2019-11-28 17:25:27,814 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 17:25:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-11-28 17:25:27,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2019-11-28 17:25:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-28 17:25:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2019-11-28 17:25:27,843 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2019-11-28 17:25:27,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,843 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2019-11-28 17:25:27,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2019-11-28 17:25:27,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:27,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,848 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:27,848 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2019-11-28 17:25:27,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125702023] [2019-11-28 17:25:27,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,931 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 17:25:27,932 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125702023] [2019-11-28 17:25:27,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:27,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416799513] [2019-11-28 17:25:27,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:27,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:27,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:27,934 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2019-11-28 17:25:28,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:28,092 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2019-11-28 17:25:28,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:28,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:25:28,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:28,098 INFO L225 Difference]: With dead ends: 865 [2019-11-28 17:25:28,098 INFO L226 Difference]: Without dead ends: 645 [2019-11-28 17:25:28,100 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 17:25:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-11-28 17:25:28,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2019-11-28 17:25:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-28 17:25:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2019-11-28 17:25:28,125 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2019-11-28 17:25:28,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:28,126 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2019-11-28 17:25:28,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2019-11-28 17:25:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:28,132 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:28,133 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 17:25:28,133 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:28,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:28,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2019-11-28 17:25:28,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:28,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668163761] [2019-11-28 17:25:28,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:28,192 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 17:25:28,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668163761] [2019-11-28 17:25:28,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:28,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:28,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781161346] [2019-11-28 17:25:28,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:28,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:28,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:28,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:28,196 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2019-11-28 17:25:28,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:28,299 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2019-11-28 17:25:28,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:28,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 17:25:28,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:28,302 INFO L225 Difference]: With dead ends: 609 [2019-11-28 17:25:28,303 INFO L226 Difference]: Without dead ends: 391 [2019-11-28 17:25:28,304 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 17:25:28,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-28 17:25:28,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2019-11-28 17:25:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-28 17:25:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2019-11-28 17:25:28,333 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2019-11-28 17:25:28,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:28,334 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2019-11-28 17:25:28,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2019-11-28 17:25:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:28,337 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:28,338 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 17:25:28,338 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:28,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:28,338 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2019-11-28 17:25:28,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:28,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667347237] [2019-11-28 17:25:28,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:28,416 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 17:25:28,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667347237] [2019-11-28 17:25:28,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:28,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:28,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107700299] [2019-11-28 17:25:28,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:25:28,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:28,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:25:28,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:28,421 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 4 states. [2019-11-28 17:25:28,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:28,530 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2019-11-28 17:25:28,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:25:28,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-11-28 17:25:28,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:28,532 INFO L225 Difference]: With dead ends: 512 [2019-11-28 17:25:28,533 INFO L226 Difference]: Without dead ends: 276 [2019-11-28 17:25:28,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-28 17:25:28,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2019-11-28 17:25:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-28 17:25:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2019-11-28 17:25:28,561 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2019-11-28 17:25:28,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:28,563 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2019-11-28 17:25:28,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:25:28,564 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2019-11-28 17:25:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:25:28,565 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:28,566 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 17:25:28,566 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:28,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:28,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2019-11-28 17:25:28,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:28,567 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215174815] [2019-11-28 17:25:28,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:28,637 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 17:25:28,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215174815] [2019-11-28 17:25:28,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:28,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:28,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304798725] [2019-11-28 17:25:28,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:28,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:28,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:28,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:28,643 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2019-11-28 17:25:28,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:28,871 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2019-11-28 17:25:28,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 17:25:28,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-28 17:25:28,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:28,874 INFO L225 Difference]: With dead ends: 615 [2019-11-28 17:25:28,874 INFO L226 Difference]: Without dead ends: 418 [2019-11-28 17:25:28,875 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:25:28,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-28 17:25:28,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2019-11-28 17:25:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-28 17:25:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2019-11-28 17:25:28,901 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2019-11-28 17:25:28,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:28,901 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2019-11-28 17:25:28,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2019-11-28 17:25:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:28,903 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:28,904 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, 1, 1] [2019-11-28 17:25:28,904 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:28,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:28,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2019-11-28 17:25:28,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:28,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103874830] [2019-11-28 17:25:28,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:25:28,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103874830] [2019-11-28 17:25:28,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:28,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:25:28,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608195054] [2019-11-28 17:25:28,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:25:28,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:28,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:25:28,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:28,984 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2019-11-28 17:25:29,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:29,097 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2019-11-28 17:25:29,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:29,098 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-28 17:25:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:29,100 INFO L225 Difference]: With dead ends: 516 [2019-11-28 17:25:29,101 INFO L226 Difference]: Without dead ends: 369 [2019-11-28 17:25:29,101 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:25:29,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-28 17:25:29,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2019-11-28 17:25:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 17:25:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2019-11-28 17:25:29,123 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2019-11-28 17:25:29,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:29,124 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2019-11-28 17:25:29,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:25:29,125 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2019-11-28 17:25:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:29,126 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:29,126 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, 1, 1] [2019-11-28 17:25:29,126 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:29,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:29,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2019-11-28 17:25:29,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:29,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713743392] [2019-11-28 17:25:29,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:29,192 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 17:25:29,193 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713743392] [2019-11-28 17:25:29,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:29,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:29,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6505759] [2019-11-28 17:25:29,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:29,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:29,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:29,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:29,196 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2019-11-28 17:25:29,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:29,248 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2019-11-28 17:25:29,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:29,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 17:25:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:29,251 INFO L225 Difference]: With dead ends: 331 [2019-11-28 17:25:29,251 INFO L226 Difference]: Without dead ends: 329 [2019-11-28 17:25:29,252 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 17:25:29,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-11-28 17:25:29,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2019-11-28 17:25:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-28 17:25:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2019-11-28 17:25:29,281 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2019-11-28 17:25:29,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:29,282 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2019-11-28 17:25:29,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2019-11-28 17:25:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:29,283 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:29,284 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, 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 17:25:29,284 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:29,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:29,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2019-11-28 17:25:29,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:29,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177323618] [2019-11-28 17:25:29,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:25:29,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177323618] [2019-11-28 17:25:29,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:29,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:29,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059082562] [2019-11-28 17:25:29,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:29,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:29,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:29,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:29,478 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2019-11-28 17:25:29,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:29,646 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2019-11-28 17:25:29,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:29,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 17:25:29,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:29,650 INFO L225 Difference]: With dead ends: 589 [2019-11-28 17:25:29,650 INFO L226 Difference]: Without dead ends: 410 [2019-11-28 17:25:29,651 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:29,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-11-28 17:25:29,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2019-11-28 17:25:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-28 17:25:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2019-11-28 17:25:29,684 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2019-11-28 17:25:29,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:29,684 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2019-11-28 17:25:29,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2019-11-28 17:25:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:29,686 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:29,687 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:29,687 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:29,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:29,688 INFO L82 PathProgramCache]: Analyzing trace with hash 523348824, now seen corresponding path program 1 times [2019-11-28 17:25:29,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:29,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132567158] [2019-11-28 17:25:29,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:29,782 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:29,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132567158] [2019-11-28 17:25:29,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786879742] [2019-11-28 17:25:29,784 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 17:25:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:29,963 INFO L264 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 17:25:29,981 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:30,026 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:30,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:25:30,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-28 17:25:30,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199412292] [2019-11-28 17:25:30,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:25:30,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:30,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:25:30,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:30,030 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2019-11-28 17:25:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:30,126 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2019-11-28 17:25:30,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:25:30,127 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-28 17:25:30,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:30,129 INFO L225 Difference]: With dead ends: 559 [2019-11-28 17:25:30,129 INFO L226 Difference]: Without dead ends: 294 [2019-11-28 17:25:30,130 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-11-28 17:25:30,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2019-11-28 17:25:30,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-28 17:25:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2019-11-28 17:25:30,168 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2019-11-28 17:25:30,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:30,168 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2019-11-28 17:25:30,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:25:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2019-11-28 17:25:30,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-28 17:25:30,173 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:30,174 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, 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] [2019-11-28 17:25:30,387 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:30,388 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:30,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:30,388 INFO L82 PathProgramCache]: Analyzing trace with hash 60063416, now seen corresponding path program 2 times [2019-11-28 17:25:30,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:30,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928081773] [2019-11-28 17:25:30,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-28 17:25:30,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928081773] [2019-11-28 17:25:30,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:30,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:30,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103731415] [2019-11-28 17:25:30,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:30,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:30,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:30,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:30,525 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2019-11-28 17:25:30,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:30,820 INFO L93 Difference]: Finished difference Result 630 states and 789 transitions. [2019-11-28 17:25:30,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:30,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-28 17:25:30,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:30,821 INFO L225 Difference]: With dead ends: 630 [2019-11-28 17:25:30,821 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:30,823 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:30,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:30,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:30,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-28 17:25:30,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:30,827 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:30,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:30,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:30,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:31,467 WARN L192 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 149 [2019-11-28 17:25:31,747 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-11-28 17:25:31,914 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2019-11-28 17:25:32,129 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 129 [2019-11-28 17:25:32,378 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 118 [2019-11-28 17:25:32,659 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 123 [2019-11-28 17:25:32,862 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 123 [2019-11-28 17:25:33,127 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 137 [2019-11-28 17:25:33,407 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2019-11-28 17:25:34,266 WARN L192 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 29 [2019-11-28 17:25:34,391 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2019-11-28 17:25:34,932 WARN L192 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 35 [2019-11-28 17:25:35,384 WARN L192 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2019-11-28 17:25:36,100 WARN L192 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 34 [2019-11-28 17:25:36,223 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2019-11-28 17:25:36,840 WARN L192 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 31 [2019-11-28 17:25:37,033 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-11-28 17:25:37,612 WARN L192 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2019-11-28 17:25:38,175 WARN L192 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2019-11-28 17:25:38,374 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-11-28 17:25:39,111 WARN L192 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 28 [2019-11-28 17:25:39,620 WARN L192 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 36 [2019-11-28 17:25:39,651 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-28 17:25:39,651 INFO L246 CegarLoopResult]: For program point L531(lines 530 577) no Hoare annotation was computed. [2019-11-28 17:25:39,651 INFO L246 CegarLoopResult]: For program point L994(line 994) no Hoare annotation was computed. [2019-11-28 17:25:39,651 INFO L246 CegarLoopResult]: For program point L994-1(line 994) no Hoare annotation was computed. [2019-11-28 17:25:39,651 INFO L246 CegarLoopResult]: For program point L994-2(line 994) no Hoare annotation was computed. [2019-11-28 17:25:39,652 INFO L246 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-11-28 17:25:39,652 INFO L246 CegarLoopResult]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-11-28 17:25:39,652 INFO L246 CegarLoopResult]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2019-11-28 17:25:39,652 INFO L246 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-11-28 17:25:39,652 INFO L246 CegarLoopResult]: For program point L796-5(lines 796 800) no Hoare annotation was computed. [2019-11-28 17:25:39,652 INFO L246 CegarLoopResult]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-11-28 17:25:39,653 INFO L246 CegarLoopResult]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2019-11-28 17:25:39,653 INFO L246 CegarLoopResult]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-11-28 17:25:39,653 INFO L246 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-11-28 17:25:39,653 INFO L246 CegarLoopResult]: For program point L631-3(lines 631 648) no Hoare annotation was computed. [2019-11-28 17:25:39,653 INFO L246 CegarLoopResult]: For program point L796-8(lines 796 800) no Hoare annotation was computed. [2019-11-28 17:25:39,653 INFO L246 CegarLoopResult]: For program point L631-4(lines 631 648) no Hoare annotation was computed. [2019-11-28 17:25:39,653 INFO L246 CegarLoopResult]: For program point L631-5(lines 631 648) no Hoare annotation was computed. [2019-11-28 17:25:39,654 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:39,654 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse0 .cse1 .cse9 .cse8 .cse3 .cse4 .cse6))) [2019-11-28 17:25:39,654 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:39,654 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:39,654 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:39,654 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-28 17:25:39,655 INFO L242 CegarLoopResult]: At program point L599(lines 598 617) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2019-11-28 17:25:39,655 INFO L246 CegarLoopResult]: For program point L599-1(lines 599 605) no Hoare annotation was computed. [2019-11-28 17:25:39,655 INFO L242 CegarLoopResult]: At program point L599-2(lines 598 617) the Hoare annotation is: false [2019-11-28 17:25:39,655 INFO L242 CegarLoopResult]: At program point L599-3(lines 598 617) the Hoare annotation is: false [2019-11-28 17:25:39,655 INFO L246 CegarLoopResult]: For program point L568(lines 568 572) no Hoare annotation was computed. [2019-11-28 17:25:39,656 INFO L242 CegarLoopResult]: At program point L568-2(lines 599 605) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4 .cse5 .cse7))) [2019-11-28 17:25:39,656 INFO L246 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-11-28 17:25:39,656 INFO L242 CegarLoopResult]: At program point L833-1(lines 1 997) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4 (= 1 ~methaneLevelCritical~0) .cse5) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 .cse6 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2019-11-28 17:25:39,656 INFO L246 CegarLoopResult]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-11-28 17:25:39,656 INFO L242 CegarLoopResult]: At program point L833-3(lines 1 997) the Hoare annotation is: false [2019-11-28 17:25:39,656 INFO L246 CegarLoopResult]: For program point L833-4(lines 833 850) no Hoare annotation was computed. [2019-11-28 17:25:39,657 INFO L242 CegarLoopResult]: At program point L833-5(lines 1 997) the Hoare annotation is: false [2019-11-28 17:25:39,657 INFO L246 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-11-28 17:25:39,657 INFO L246 CegarLoopResult]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-11-28 17:25:39,657 INFO L246 CegarLoopResult]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-11-28 17:25:39,657 INFO L246 CegarLoopResult]: For program point L635-3(lines 635 643) no Hoare annotation was computed. [2019-11-28 17:25:39,657 INFO L246 CegarLoopResult]: For program point L635-4(lines 635 643) no Hoare annotation was computed. [2019-11-28 17:25:39,657 INFO L246 CegarLoopResult]: For program point L635-5(lines 635 643) no Hoare annotation was computed. [2019-11-28 17:25:39,658 INFO L242 CegarLoopResult]: At program point L802(lines 787 805) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~8)) (.cse2 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))) (.cse3 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methaneLevelCritical~0) .cse4 .cse5 .cse6 .cse7 .cse8))) [2019-11-28 17:25:39,658 INFO L242 CegarLoopResult]: At program point L802-1(lines 787 805) the Hoare annotation is: false [2019-11-28 17:25:39,658 INFO L242 CegarLoopResult]: At program point L802-2(lines 787 805) the Hoare annotation is: false [2019-11-28 17:25:39,658 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-28 17:25:39,658 INFO L246 CegarLoopResult]: For program point L837(lines 837 847) no Hoare annotation was computed. [2019-11-28 17:25:39,658 INFO L246 CegarLoopResult]: For program point L837-2(lines 837 847) no Hoare annotation was computed. [2019-11-28 17:25:39,658 INFO L246 CegarLoopResult]: For program point L837-4(lines 837 847) no Hoare annotation was computed. [2019-11-28 17:25:39,659 INFO L242 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:39,659 INFO L242 CegarLoopResult]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2019-11-28 17:25:39,659 INFO L246 CegarLoopResult]: For program point L540(lines 540 546) no Hoare annotation was computed. [2019-11-28 17:25:39,659 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2019-11-28 17:25:39,659 INFO L242 CegarLoopResult]: At program point L540-1(lines 540 546) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0) .cse6) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse1 .cse7 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6))) [2019-11-28 17:25:39,659 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-28 17:25:39,659 INFO L246 CegarLoopResult]: For program point L838(lines 838 844) no Hoare annotation was computed. [2019-11-28 17:25:39,660 INFO L242 CegarLoopResult]: At program point L904-2(lines 904 918) the Hoare annotation is: false [2019-11-28 17:25:39,660 INFO L246 CegarLoopResult]: For program point L838-2(lines 838 844) no Hoare annotation was computed. [2019-11-28 17:25:39,660 INFO L246 CegarLoopResult]: For program point L838-4(lines 838 844) no Hoare annotation was computed. [2019-11-28 17:25:39,660 INFO L246 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2019-11-28 17:25:39,660 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:39,660 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-28 17:25:39,660 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-28 17:25:39,661 INFO L246 CegarLoopResult]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-11-28 17:25:39,661 INFO L246 CegarLoopResult]: For program point L908-1(lines 599 605) no Hoare annotation was computed. [2019-11-28 17:25:39,661 INFO L242 CegarLoopResult]: At program point L578(lines 529 579) the Hoare annotation is: false [2019-11-28 17:25:39,661 INFO L246 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,661 INFO L246 CegarLoopResult]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,661 INFO L246 CegarLoopResult]: For program point L777-3(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,661 INFO L246 CegarLoopResult]: For program point L777-5(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,661 INFO L246 CegarLoopResult]: For program point L777-6(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,662 INFO L246 CegarLoopResult]: For program point L777-8(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,662 INFO L246 CegarLoopResult]: For program point L777-9(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,662 INFO L246 CegarLoopResult]: For program point L777-11(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,662 INFO L246 CegarLoopResult]: For program point L777-12(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,662 INFO L246 CegarLoopResult]: For program point L777-14(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,662 INFO L246 CegarLoopResult]: For program point L777-15(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,662 INFO L246 CegarLoopResult]: For program point L777-17(lines 777 781) no Hoare annotation was computed. [2019-11-28 17:25:39,662 INFO L246 CegarLoopResult]: For program point L976(lines 976 983) no Hoare annotation was computed. [2019-11-28 17:25:39,663 INFO L249 CegarLoopResult]: At program point L976-1(lines 976 983) the Hoare annotation is: true [2019-11-28 17:25:39,663 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:39,663 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:25:39,663 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:25:39,663 INFO L242 CegarLoopResult]: At program point L880(lines 1 997) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:39,663 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:25:39,663 INFO L246 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-11-28 17:25:39,664 INFO L242 CegarLoopResult]: At program point L550-1(lines 550 556) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse4 .cse5 .cse7))) [2019-11-28 17:25:39,664 INFO L242 CegarLoopResult]: At program point L783(lines 768 786) the Hoare annotation is: false [2019-11-28 17:25:39,664 INFO L242 CegarLoopResult]: At program point L783-1(lines 768 786) the Hoare annotation is: (let ((.cse8 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse10 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse9 .cse10 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse0 .cse1 .cse9 .cse10 .cse3 .cse4 .cse6 .cse5))) [2019-11-28 17:25:39,664 INFO L242 CegarLoopResult]: At program point L783-2(lines 768 786) the Hoare annotation is: false [2019-11-28 17:25:39,664 INFO L242 CegarLoopResult]: At program point L783-3(lines 768 786) the Hoare annotation is: false [2019-11-28 17:25:39,664 INFO L242 CegarLoopResult]: At program point L783-4(lines 768 786) the Hoare annotation is: false [2019-11-28 17:25:39,664 INFO L242 CegarLoopResult]: At program point L783-5(lines 768 786) the Hoare annotation is: false [2019-11-28 17:25:39,665 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:39,665 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:39,665 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5))) [2019-11-28 17:25:39,665 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse6 .cse7) (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5 .cse6 .cse7 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:39,665 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:39,665 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:39,665 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:39,666 INFO L242 CegarLoopResult]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:39,666 INFO L242 CegarLoopResult]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:39,666 INFO L242 CegarLoopResult]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-11-28 17:25:39,666 INFO L242 CegarLoopResult]: At program point L719(lines 712 722) the Hoare annotation is: false [2019-11-28 17:25:39,666 INFO L242 CegarLoopResult]: At program point L719-1(lines 712 722) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse4 .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:39,666 INFO L242 CegarLoopResult]: At program point L719-2(lines 712 722) the Hoare annotation is: false [2019-11-28 17:25:39,666 INFO L242 CegarLoopResult]: At program point L719-3(lines 712 722) the Hoare annotation is: false [2019-11-28 17:25:39,667 INFO L242 CegarLoopResult]: At program point L719-4(lines 712 722) the Hoare annotation is: false [2019-11-28 17:25:39,667 INFO L242 CegarLoopResult]: At program point L719-5(lines 712 722) the Hoare annotation is: false [2019-11-28 17:25:39,667 INFO L249 CegarLoopResult]: At program point L985(lines 966 988) the Hoare annotation is: true [2019-11-28 17:25:39,667 INFO L242 CegarLoopResult]: At program point L952(lines 948 954) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:39,667 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:39,667 INFO L242 CegarLoopResult]: At program point L888(lines 883 891) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:39,668 INFO L242 CegarLoopResult]: At program point L822(lines 817 824) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:39,668 INFO L246 CegarLoopResult]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-11-28 17:25:39,668 INFO L246 CegarLoopResult]: For program point L657-1(lines 657 674) no Hoare annotation was computed. [2019-11-28 17:25:39,668 INFO L246 CegarLoopResult]: For program point L657-2(lines 657 674) no Hoare annotation was computed. [2019-11-28 17:25:39,668 INFO L246 CegarLoopResult]: For program point L560(lines 560 573) no Hoare annotation was computed. [2019-11-28 17:25:39,668 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:39,668 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:39,668 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:39,669 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:39,669 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:39,669 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:39,669 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:25:39,669 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-28 17:25:39,669 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-28 17:25:39,669 INFO L246 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-11-28 17:25:39,669 INFO L246 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-11-28 17:25:39,670 INFO L246 CegarLoopResult]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2019-11-28 17:25:39,670 INFO L246 CegarLoopResult]: For program point L661-1(lines 661 669) no Hoare annotation was computed. [2019-11-28 17:25:39,670 INFO L246 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-11-28 17:25:39,670 INFO L246 CegarLoopResult]: For program point L694-4(lines 694 700) no Hoare annotation was computed. [2019-11-28 17:25:39,670 INFO L246 CegarLoopResult]: For program point L694-6(lines 694 700) no Hoare annotation was computed. [2019-11-28 17:25:39,670 INFO L246 CegarLoopResult]: For program point L694-8(lines 694 700) no Hoare annotation was computed. [2019-11-28 17:25:39,670 INFO L246 CegarLoopResult]: For program point L694-10(lines 694 700) no Hoare annotation was computed. [2019-11-28 17:25:39,671 INFO L242 CegarLoopResult]: At program point L728(lines 723 731) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-11-28 17:25:39,671 INFO L242 CegarLoopResult]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2019-11-28 17:25:39,671 INFO L242 CegarLoopResult]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2019-11-28 17:25:39,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:39 BoogieIcfgContainer [2019-11-28 17:25:39,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:39,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:39,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:39,708 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:39,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:26" (3/4) ... [2019-11-28 17:25:39,715 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:39,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:39,741 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:39,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:39,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:39,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:39,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:39,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:39,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-28 17:25:39,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-28 17:25:39,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime [2019-11-28 17:25:39,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:39,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:39,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:39,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:39,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:39,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:39,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:39,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && tmp == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 17:25:39,798 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (((((((\result == 1 && \result == 1) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && \result == 1) && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:25:39,800 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && \result == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-11-28 17:25:39,801 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:25:39,802 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:39,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:25:39,806 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == \result) && pumpRunning == 0) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:39,916 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:39,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:39,917 INFO L168 Benchmark]: Toolchain (without parser) took 15505.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 393.7 MB). Free memory was 951.0 MB in the beginning and 842.2 MB in the end (delta: 108.7 MB). Peak memory consumption was 502.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:39,918 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:39,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:39,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.58 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:39,919 INFO L168 Benchmark]: Boogie Preprocessor took 60.79 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:39,919 INFO L168 Benchmark]: RCFGBuilder took 972.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:39,920 INFO L168 Benchmark]: TraceAbstraction took 13347.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 853.6 MB in the end (delta: 186.4 MB). Peak memory consumption was 437.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:39,920 INFO L168 Benchmark]: Witness Printer took 208.20 ms. Allocated memory is still 1.4 GB. Free memory was 853.6 MB in the beginning and 842.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:39,922 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 809.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.58 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.79 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 972.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13347.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 853.6 MB in the end (delta: 186.4 MB). Peak memory consumption was 437.5 MB. Max. memory is 11.5 GB. * Witness Printer took 208.20 ms. Allocated memory is still 1.4 GB. Free memory was 853.6 MB in the beginning and 842.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: 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: 86]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && tmp == 1) && 0 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == methaneLevelCritical) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && \result == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (((((((\result == 1 && \result == 1) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 1 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && \result == 1) && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((\result == 1 && 0 == tmp) && !(0 == \result)) && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == \result) && pumpRunning == 0) && 1 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && tmp == 1) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((((((\result == 1 && tmp == 0) && tmp == 1) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, HoareTripleCheckerStatistics: 1697 SDtfs, 2199 SDslu, 2568 SDs, 0 SdLazy, 369 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, 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, 15 MinimizatonAttempts, 1549 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 189 NumberOfFragments, 1154 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3199265 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 519812 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 76723 SizeOfPredicates, 1 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 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...