./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product57.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_product57.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 57406ed1e8515a3807c9750d676c6ccf8b3f94ad ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:25:23,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:23,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:23,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:23,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:23,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:23,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:23,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:23,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:23,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:23,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:23,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:23,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:23,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:23,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:23,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:23,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:23,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:23,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:23,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:23,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:23,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:23,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:23,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:23,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:23,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:23,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:23,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:23,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:23,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:23,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:23,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:23,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:23,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:23,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:23,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:23,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:23,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:23,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:23,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:23,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:23,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:23,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:23,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:23,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:23,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:23,330 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:23,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:23,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:23,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:23,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:23,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:23,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:23,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:23,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:23,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:23,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:23,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:23,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:23,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:23,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:23,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:23,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:23,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:23,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:23,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:23,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:23,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:23,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:23,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:23,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:23,343 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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2019-11-28 17:25:23,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:23,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:23,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:23,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:23,728 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:23,728 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2019-11-28 17:25:23,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7483ab1ef/128672bdb8784f2f961c7e3be4624c87/FLAG8287a2c15 [2019-11-28 17:25:24,374 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:24,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2019-11-28 17:25:24,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7483ab1ef/128672bdb8784f2f961c7e3be4624c87/FLAG8287a2c15 [2019-11-28 17:25:24,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7483ab1ef/128672bdb8784f2f961c7e3be4624c87 [2019-11-28 17:25:24,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:24,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:24,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:24,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:24,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:24,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:24" (1/1) ... [2019-11-28 17:25:24,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b116752 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 17:25:24,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:24" (1/1) ... [2019-11-28 17:25:24,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:24,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:25,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:25,209 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:25,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:25,360 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:25,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:25 WrapperNode [2019-11-28 17:25:25,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:25,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:25,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:25,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:25,372 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 17:25:25,392 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 17:25:25,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:25,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:25,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:25,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:25,471 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 17:25:25,471 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 17:25:25,477 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 17:25:25,478 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 17:25:25,497 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 17:25:25,508 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 17:25:25,512 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 17:25:25,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:25,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:25,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:25,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:25,520 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 17:25:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:26,603 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:26,604 INFO L287 CfgBuilder]: Removed 194 assume(true) statements. [2019-11-28 17:25:26,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:26 BoogieIcfgContainer [2019-11-28 17:25:26,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:26,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:26,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:26,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:26,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:24" (1/3) ... [2019-11-28 17:25:26,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbff62b 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 17:25:26,611 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 17:25:26,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbff62b 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 17:25:26,612 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 17:25:26,614 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2019-11-28 17:25:26,624 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:26,632 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:26,645 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:26,669 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:26,669 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:26,670 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:26,670 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:26,670 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:26,670 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:26,670 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:26,671 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-11-28 17:25:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:26,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:26,700 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 17:25:26,701 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:26,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:26,707 INFO L82 PathProgramCache]: Analyzing trace with hash -859371484, now seen corresponding path program 1 times [2019-11-28 17:25:26,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:26,716 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964854921] [2019-11-28 17:25:26,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,024 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 17:25:27,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964854921] [2019-11-28 17:25:27,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:27,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270954380] [2019-11-28 17:25:27,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:27,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:27,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:27,048 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-11-28 17:25:27,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,085 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2019-11-28 17:25:27,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:27,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:27,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,101 INFO L225 Difference]: With dead ends: 271 [2019-11-28 17:25:27,101 INFO L226 Difference]: Without dead ends: 135 [2019-11-28 17:25:27,105 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 17:25:27,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-28 17:25:27,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-28 17:25:27,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 17:25:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2019-11-28 17:25:27,170 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2019-11-28 17:25:27,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,170 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2019-11-28 17:25:27,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2019-11-28 17:25:27,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:27,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,173 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 17:25:27,173 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1078207453, now seen corresponding path program 1 times [2019-11-28 17:25:27,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511762604] [2019-11-28 17:25:27,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,342 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 17:25:27,345 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511762604] [2019-11-28 17:25:27,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:27,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321852575] [2019-11-28 17:25:27,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:27,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:27,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:27,350 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2019-11-28 17:25:27,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,367 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2019-11-28 17:25:27,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:27,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:27,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,369 INFO L225 Difference]: With dead ends: 135 [2019-11-28 17:25:27,369 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:25:27,371 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 17:25:27,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:25:27,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:25:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:25:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 17:25:27,379 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-28 17:25:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,379 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 17:25:27,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-28 17:25:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:27,381 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,381 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 17:25:27,381 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2019-11-28 17:25:27,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47332028] [2019-11-28 17:25:27,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,501 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 17:25:27,502 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47332028] [2019-11-28 17:25:27,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:27,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43284205] [2019-11-28 17:25:27,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:27,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:27,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:27,505 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-11-28 17:25:27,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,628 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2019-11-28 17:25:27,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:27,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 17:25:27,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,630 INFO L225 Difference]: With dead ends: 103 [2019-11-28 17:25:27,630 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:25:27,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:27,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:25:27,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:25:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:25:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-28 17:25:27,646 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-28 17:25:27,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,652 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-28 17:25:27,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-28 17:25:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:27,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,655 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 17:25:27,655 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,656 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2019-11-28 17:25:27,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47218527] [2019-11-28 17:25:27,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,731 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 17:25:27,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47218527] [2019-11-28 17:25:27,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:27,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744923492] [2019-11-28 17:25:27,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:27,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:27,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:27,736 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-28 17:25:27,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,783 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2019-11-28 17:25:27,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:27,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:27,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,785 INFO L225 Difference]: With dead ends: 125 [2019-11-28 17:25:27,785 INFO L226 Difference]: Without dead ends: 77 [2019-11-28 17:25:27,786 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 17:25:27,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-28 17:25:27,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2019-11-28 17:25:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 17:25:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2019-11-28 17:25:27,796 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2019-11-28 17:25:27,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,796 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2019-11-28 17:25:27,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:27,797 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-28 17:25:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:25:27,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,798 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 17:25:27,798 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,799 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2019-11-28 17:25:27,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555600074] [2019-11-28 17:25:27,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:27,875 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 17:25:27,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555600074] [2019-11-28 17:25:27,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:27,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:27,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312130963] [2019-11-28 17:25:27,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:27,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:27,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:27,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:27,878 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2019-11-28 17:25:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:27,917 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2019-11-28 17:25:27,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:27,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-11-28 17:25:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:27,919 INFO L225 Difference]: With dead ends: 194 [2019-11-28 17:25:27,919 INFO L226 Difference]: Without dead ends: 126 [2019-11-28 17:25:27,920 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 17:25:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-28 17:25:27,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-11-28 17:25:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 17:25:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-11-28 17:25:27,949 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2019-11-28 17:25:27,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:27,950 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-11-28 17:25:27,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-11-28 17:25:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:25:27,951 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:27,952 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 17:25:27,952 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:27,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:27,952 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2019-11-28 17:25:27,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:27,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664780087] [2019-11-28 17:25:27,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:28,031 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 17:25:28,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664780087] [2019-11-28 17:25:28,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:28,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:28,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968982462] [2019-11-28 17:25:28,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:28,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:28,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:28,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:28,035 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2019-11-28 17:25:28,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:28,168 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2019-11-28 17:25:28,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:28,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:25:28,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:28,172 INFO L225 Difference]: With dead ends: 622 [2019-11-28 17:25:28,172 INFO L226 Difference]: Without dead ends: 505 [2019-11-28 17:25:28,173 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 17:25:28,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-11-28 17:25:28,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2019-11-28 17:25:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-28 17:25:28,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2019-11-28 17:25:28,200 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2019-11-28 17:25:28,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:28,201 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2019-11-28 17:25:28,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2019-11-28 17:25:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:28,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:28,203 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 17:25:28,203 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:28,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:28,204 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2019-11-28 17:25:28,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:28,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557508316] [2019-11-28 17:25:28,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:28,289 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 17:25:28,289 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557508316] [2019-11-28 17:25:28,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:28,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:28,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610383031] [2019-11-28 17:25:28,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:28,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:28,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:28,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:28,295 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2019-11-28 17:25:28,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:28,441 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2019-11-28 17:25:28,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:28,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:25:28,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:28,446 INFO L225 Difference]: With dead ends: 865 [2019-11-28 17:25:28,446 INFO L226 Difference]: Without dead ends: 645 [2019-11-28 17:25:28,447 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 17:25:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-11-28 17:25:28,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2019-11-28 17:25:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-28 17:25:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2019-11-28 17:25:28,469 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2019-11-28 17:25:28,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:28,470 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2019-11-28 17:25:28,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2019-11-28 17:25:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:28,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:28,472 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 17:25:28,472 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:28,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:28,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2019-11-28 17:25:28,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:28,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331979677] [2019-11-28 17:25:28,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:28,540 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 17:25:28,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331979677] [2019-11-28 17:25:28,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:28,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:28,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866913690] [2019-11-28 17:25:28,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:28,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:28,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:28,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:28,543 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2019-11-28 17:25:28,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:28,641 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2019-11-28 17:25:28,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:28,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-28 17:25:28,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:28,644 INFO L225 Difference]: With dead ends: 609 [2019-11-28 17:25:28,645 INFO L226 Difference]: Without dead ends: 391 [2019-11-28 17:25:28,645 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 17:25:28,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-28 17:25:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2019-11-28 17:25:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-11-28 17:25:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2019-11-28 17:25:28,677 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2019-11-28 17:25:28,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:28,678 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2019-11-28 17:25:28,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2019-11-28 17:25:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:25:28,681 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:28,682 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 17:25:28,682 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:28,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:28,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2019-11-28 17:25:28,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:28,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413414364] [2019-11-28 17:25:28,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:28,775 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 17:25:28,775 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413414364] [2019-11-28 17:25:28,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:28,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:28,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975416152] [2019-11-28 17:25:28,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:28,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:28,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:28,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:28,778 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2019-11-28 17:25:28,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:28,897 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2019-11-28 17:25:28,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:28,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-28 17:25:28,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:28,900 INFO L225 Difference]: With dead ends: 550 [2019-11-28 17:25:28,900 INFO L226 Difference]: Without dead ends: 314 [2019-11-28 17:25:28,902 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:25:28,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-28 17:25:28,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2019-11-28 17:25:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-28 17:25:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2019-11-28 17:25:28,962 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2019-11-28 17:25:28,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:28,963 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2019-11-28 17:25:28,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2019-11-28 17:25:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-28 17:25:28,964 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:28,964 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 17:25:28,964 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:28,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:28,965 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2019-11-28 17:25:28,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:28,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150562027] [2019-11-28 17:25:28,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:29,032 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 17:25:29,033 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150562027] [2019-11-28 17:25:29,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:29,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:29,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221475762] [2019-11-28 17:25:29,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:29,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:29,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:29,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:29,035 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2019-11-28 17:25:29,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:29,300 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2019-11-28 17:25:29,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 17:25:29,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-28 17:25:29,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:29,303 INFO L225 Difference]: With dead ends: 615 [2019-11-28 17:25:29,304 INFO L226 Difference]: Without dead ends: 418 [2019-11-28 17:25:29,305 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 17:25:29,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-28 17:25:29,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2019-11-28 17:25:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-11-28 17:25:29,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2019-11-28 17:25:29,333 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2019-11-28 17:25:29,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:29,334 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2019-11-28 17:25:29,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2019-11-28 17:25:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:29,336 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:29,337 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 17:25:29,337 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:29,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:29,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1177012586, now seen corresponding path program 1 times [2019-11-28 17:25:29,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:29,338 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744727284] [2019-11-28 17:25:29,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:29,425 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 17:25:29,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744727284] [2019-11-28 17:25:29,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:29,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:25:29,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758021606] [2019-11-28 17:25:29,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:25:29,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:29,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:25:29,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:29,429 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2019-11-28 17:25:29,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:29,558 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2019-11-28 17:25:29,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:29,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-28 17:25:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:29,563 INFO L225 Difference]: With dead ends: 516 [2019-11-28 17:25:29,563 INFO L226 Difference]: Without dead ends: 369 [2019-11-28 17:25:29,564 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 17:25:29,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-11-28 17:25:29,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2019-11-28 17:25:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 17:25:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2019-11-28 17:25:29,587 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2019-11-28 17:25:29,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:29,588 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2019-11-28 17:25:29,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:25:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2019-11-28 17:25:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:29,589 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:29,589 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 17:25:29,590 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:29,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:29,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1435178024, now seen corresponding path program 1 times [2019-11-28 17:25:29,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:29,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808504682] [2019-11-28 17:25:29,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:29,644 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 17:25:29,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808504682] [2019-11-28 17:25:29,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:29,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:29,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658984571] [2019-11-28 17:25:29,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:29,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:29,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:29,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:29,648 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2019-11-28 17:25:29,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:29,702 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2019-11-28 17:25:29,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:29,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 17:25:29,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:29,704 INFO L225 Difference]: With dead ends: 331 [2019-11-28 17:25:29,704 INFO L226 Difference]: Without dead ends: 329 [2019-11-28 17:25:29,705 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 17:25:29,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-11-28 17:25:29,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2019-11-28 17:25:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-11-28 17:25:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2019-11-28 17:25:29,728 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2019-11-28 17:25:29,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:29,728 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2019-11-28 17:25:29,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2019-11-28 17:25:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:29,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:29,730 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 17:25:29,730 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:29,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:29,730 INFO L82 PathProgramCache]: Analyzing trace with hash 200937625, now seen corresponding path program 1 times [2019-11-28 17:25:29,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:29,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217106029] [2019-11-28 17:25:29,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:29,962 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 17:25:29,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217106029] [2019-11-28 17:25:29,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:29,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:29,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416020241] [2019-11-28 17:25:29,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:29,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:29,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:29,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:29,965 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2019-11-28 17:25:30,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:30,337 INFO L93 Difference]: Finished difference Result 641 states and 850 transitions. [2019-11-28 17:25:30,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:30,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-28 17:25:30,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:30,341 INFO L225 Difference]: With dead ends: 641 [2019-11-28 17:25:30,341 INFO L226 Difference]: Without dead ends: 462 [2019-11-28 17:25:30,342 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:30,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-11-28 17:25:30,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 269. [2019-11-28 17:25:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-11-28 17:25:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2019-11-28 17:25:30,388 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2019-11-28 17:25:30,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:30,388 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2019-11-28 17:25:30,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:30,390 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2019-11-28 17:25:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-28 17:25:30,392 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:30,392 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 17:25:30,392 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:30,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:30,393 INFO L82 PathProgramCache]: Analyzing trace with hash -820130729, now seen corresponding path program 1 times [2019-11-28 17:25:30,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:30,399 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281477963] [2019-11-28 17:25:30,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:30,505 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 17:25:30,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281477963] [2019-11-28 17:25:30,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549954768] [2019-11-28 17:25:30,506 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 17:25:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:30,677 INFO L264 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 17:25:30,694 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:30,728 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 17:25:30,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:25:30,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-28 17:25:30,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285196310] [2019-11-28 17:25:30,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:25:30,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:30,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:25:30,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:25:30,732 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2019-11-28 17:25:30,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:30,820 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2019-11-28 17:25:30,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:25:30,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-28 17:25:30,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:30,823 INFO L225 Difference]: With dead ends: 559 [2019-11-28 17:25:30,823 INFO L226 Difference]: Without dead ends: 294 [2019-11-28 17:25:30,824 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 17:25:30,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-11-28 17:25:30,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2019-11-28 17:25:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-28 17:25:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2019-11-28 17:25:30,864 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2019-11-28 17:25:30,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:30,865 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2019-11-28 17:25:30,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:25:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2019-11-28 17:25:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-28 17:25:30,866 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:30,867 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 17:25:31,071 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:31,071 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:31,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:31,072 INFO L82 PathProgramCache]: Analyzing trace with hash 364797879, now seen corresponding path program 2 times [2019-11-28 17:25:31,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:31,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718191334] [2019-11-28 17:25:31,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 17:25:31,197 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718191334] [2019-11-28 17:25:31,197 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713254559] [2019-11-28 17:25:31,197 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:31,392 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-28 17:25:31,393 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-28 17:25:31,397 INFO L264 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 17:25:31,404 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:31,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 17:25:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 17:25:31,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:25:31,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-28 17:25:31,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475831411] [2019-11-28 17:25:31,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:31,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:31,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:31,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:31,459 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2019-11-28 17:25:31,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:31,688 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2019-11-28 17:25:31,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:25:31,689 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-28 17:25:31,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:31,689 INFO L225 Difference]: With dead ends: 608 [2019-11-28 17:25:31,689 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:31,691 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:31,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:31,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:31,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-28 17:25:31,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:31,694 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:31,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:31,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:31,900 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:31,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:32,018 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2019-11-28 17:25:32,607 WARN L192 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 179 [2019-11-28 17:25:33,046 WARN L192 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 173 [2019-11-28 17:25:33,392 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 184 [2019-11-28 17:25:33,676 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 142 [2019-11-28 17:25:33,962 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 142 [2019-11-28 17:25:34,239 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2019-11-28 17:25:34,467 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 137 [2019-11-28 17:25:34,765 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 122 [2019-11-28 17:25:34,978 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2019-11-28 17:25:36,083 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 175 DAG size of output: 29 [2019-11-28 17:25:36,992 WARN L192 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 30 [2019-11-28 17:25:37,989 WARN L192 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 37 [2019-11-28 17:25:38,537 WARN L192 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2019-11-28 17:25:39,101 WARN L192 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-11-28 17:25:39,282 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-11-28 17:25:39,754 WARN L192 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 35 [2019-11-28 17:25:40,267 WARN L192 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2019-11-28 17:25:40,433 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2019-11-28 17:25:40,630 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2019-11-28 17:25:40,887 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2019-11-28 17:25:41,375 WARN L192 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 32 [2019-11-28 17:25:41,384 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-28 17:25:41,384 INFO L242 CegarLoopResult]: At program point L201-2(lines 201 215) the Hoare annotation is: false [2019-11-28 17:25:41,385 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-28 17:25:41,385 INFO L246 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-11-28 17:25:41,385 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 175) no Hoare annotation was computed. [2019-11-28 17:25:41,385 INFO L246 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2019-11-28 17:25:41,385 INFO L246 CegarLoopResult]: For program point L169-3(lines 169 175) no Hoare annotation was computed. [2019-11-28 17:25:41,385 INFO L246 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2019-11-28 17:25:41,385 INFO L246 CegarLoopResult]: For program point L169-5(lines 169 175) no Hoare annotation was computed. [2019-11-28 17:25:41,385 INFO L246 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L435-2(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L402-2(lines 402 410) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L435-4(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L435-6(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L435-8(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:25:41,386 INFO L246 CegarLoopResult]: For program point L435-10(lines 435 441) no Hoare annotation was computed. [2019-11-28 17:25:41,387 INFO L246 CegarLoopResult]: For program point L568(lines 568 574) no Hoare annotation was computed. [2019-11-28 17:25:41,388 INFO L242 CegarLoopResult]: At program point L568-1(lines 568 574) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse6 .cse7 .cse4 (= 1 ~methaneLevelCritical~0) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse4 .cse5))) [2019-11-28 17:25:41,388 INFO L242 CegarLoopResult]: At program point L469(lines 464 472) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-11-28 17:25:41,388 INFO L242 CegarLoopResult]: At program point L469-1(lines 464 472) the Hoare annotation is: false [2019-11-28 17:25:41,388 INFO L242 CegarLoopResult]: At program point L469-2(lines 464 472) the Hoare annotation is: false [2019-11-28 17:25:41,389 INFO L246 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2019-11-28 17:25:41,389 INFO L246 CegarLoopResult]: For program point L205-1(lines 340 346) no Hoare annotation was computed. [2019-11-28 17:25:41,389 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:41,389 INFO L246 CegarLoopResult]: For program point L537(lines 537 541) no Hoare annotation was computed. [2019-11-28 17:25:41,390 INFO L246 CegarLoopResult]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2019-11-28 17:25:41,390 INFO L246 CegarLoopResult]: For program point L537-3(lines 537 541) no Hoare annotation was computed. [2019-11-28 17:25:41,390 INFO L246 CegarLoopResult]: For program point L372(lines 372 389) no Hoare annotation was computed. [2019-11-28 17:25:41,390 INFO L246 CegarLoopResult]: For program point L537-5(lines 537 541) no Hoare annotation was computed. [2019-11-28 17:25:41,390 INFO L246 CegarLoopResult]: For program point L372-1(lines 372 389) no Hoare annotation was computed. [2019-11-28 17:25:41,390 INFO L246 CegarLoopResult]: For program point L537-6(lines 537 541) no Hoare annotation was computed. [2019-11-28 17:25:41,391 INFO L246 CegarLoopResult]: For program point L372-2(lines 372 389) no Hoare annotation was computed. [2019-11-28 17:25:41,391 INFO L246 CegarLoopResult]: For program point L372-3(lines 372 389) no Hoare annotation was computed. [2019-11-28 17:25:41,391 INFO L246 CegarLoopResult]: For program point L537-8(lines 537 541) no Hoare annotation was computed. [2019-11-28 17:25:41,391 INFO L246 CegarLoopResult]: For program point L372-4(lines 372 389) no Hoare annotation was computed. [2019-11-28 17:25:41,391 INFO L246 CegarLoopResult]: For program point L372-5(lines 372 389) no Hoare annotation was computed. [2019-11-28 17:25:41,392 INFO L242 CegarLoopResult]: At program point L174(lines 165 178) the Hoare annotation is: false [2019-11-28 17:25:41,392 INFO L242 CegarLoopResult]: At program point L174-1(lines 165 178) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse10 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse3 .cse9 .cse10 .cse4 .cse5) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse9 .cse10 .cse4 .cse5 .cse6))) [2019-11-28 17:25:41,392 INFO L242 CegarLoopResult]: At program point L174-2(lines 165 178) the Hoare annotation is: false [2019-11-28 17:25:41,392 INFO L242 CegarLoopResult]: At program point L174-3(lines 165 178) the Hoare annotation is: false [2019-11-28 17:25:41,392 INFO L242 CegarLoopResult]: At program point L174-4(lines 165 178) the Hoare annotation is: false [2019-11-28 17:25:41,393 INFO L242 CegarLoopResult]: At program point L174-5(lines 165 178) the Hoare annotation is: false [2019-11-28 17:25:41,393 INFO L242 CegarLoopResult]: At program point L604(lines 557 605) the Hoare annotation is: false [2019-11-28 17:25:41,393 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-28 17:25:41,393 INFO L242 CegarLoopResult]: At program point L340(lines 339 358) the Hoare annotation is: (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-28 17:25:41,394 INFO L246 CegarLoopResult]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-11-28 17:25:41,394 INFO L242 CegarLoopResult]: At program point L340-2(lines 339 358) the Hoare annotation is: false [2019-11-28 17:25:41,394 INFO L242 CegarLoopResult]: At program point L340-3(lines 339 358) the Hoare annotation is: false [2019-11-28 17:25:41,394 INFO L246 CegarLoopResult]: For program point L309(lines 309 326) no Hoare annotation was computed. [2019-11-28 17:25:41,394 INFO L246 CegarLoopResult]: For program point L276(lines 276 283) no Hoare annotation was computed. [2019-11-28 17:25:41,395 INFO L242 CegarLoopResult]: At program point L309-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (<= 2 ~waterLevel~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 (<= 1 ~waterLevel~0) .cse4 .cse5 (= 1 ~methaneLevelCritical~0) .cse6))) [2019-11-28 17:25:41,395 INFO L246 CegarLoopResult]: For program point L309-2(lines 309 326) no Hoare annotation was computed. [2019-11-28 17:25:41,395 INFO L249 CegarLoopResult]: At program point L276-1(lines 276 283) the Hoare annotation is: true [2019-11-28 17:25:41,395 INFO L242 CegarLoopResult]: At program point L309-3(lines 1 986) the Hoare annotation is: false [2019-11-28 17:25:41,395 INFO L246 CegarLoopResult]: For program point L309-4(lines 309 326) no Hoare annotation was computed. [2019-11-28 17:25:41,395 INFO L242 CegarLoopResult]: At program point L309-5(lines 1 986) the Hoare annotation is: false [2019-11-28 17:25:41,396 INFO L246 CegarLoopResult]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-11-28 17:25:41,396 INFO L246 CegarLoopResult]: For program point L376-1(lines 376 384) no Hoare annotation was computed. [2019-11-28 17:25:41,396 INFO L246 CegarLoopResult]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2019-11-28 17:25:41,396 INFO L246 CegarLoopResult]: For program point L376-3(lines 376 384) no Hoare annotation was computed. [2019-11-28 17:25:41,396 INFO L246 CegarLoopResult]: For program point L376-4(lines 376 384) no Hoare annotation was computed. [2019-11-28 17:25:41,396 INFO L246 CegarLoopResult]: For program point L376-5(lines 376 384) no Hoare annotation was computed. [2019-11-28 17:25:41,397 INFO L242 CegarLoopResult]: At program point L543(lines 528 546) the Hoare annotation is: (let ((.cse0 (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse2 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (let ((.cse9 (= 0 ~waterLevel~0))) (or (and .cse9 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~6)) (and (not .cse9) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6))))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2019-11-28 17:25:41,397 INFO L242 CegarLoopResult]: At program point L543-1(lines 528 546) the Hoare annotation is: false [2019-11-28 17:25:41,397 INFO L242 CegarLoopResult]: At program point L543-2(lines 528 546) the Hoare annotation is: false [2019-11-28 17:25:41,397 INFO L246 CegarLoopResult]: For program point L313(lines 313 323) no Hoare annotation was computed. [2019-11-28 17:25:41,398 INFO L246 CegarLoopResult]: For program point L313-2(lines 313 323) no Hoare annotation was computed. [2019-11-28 17:25:41,398 INFO L246 CegarLoopResult]: For program point L313-4(lines 313 323) no Hoare annotation was computed. [2019-11-28 17:25:41,398 INFO L246 CegarLoopResult]: For program point L578(lines 578 584) no Hoare annotation was computed. [2019-11-28 17:25:41,398 INFO L242 CegarLoopResult]: At program point L578-1(lines 578 584) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (= |ULTIMATE.start_valid_product_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse0 .cse1 .cse4) (and .cse8 .cse9 .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6))) [2019-11-28 17:25:41,399 INFO L242 CegarLoopResult]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse6 .cse3 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse4 .cse2 .cse5 .cse6 .cse3))) [2019-11-28 17:25:41,399 INFO L246 CegarLoopResult]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-11-28 17:25:41,399 INFO L242 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: false [2019-11-28 17:25:41,399 INFO L242 CegarLoopResult]: At program point L347-2(lines 347 353) the Hoare annotation is: false [2019-11-28 17:25:41,399 INFO L246 CegarLoopResult]: For program point L314-2(lines 314 320) no Hoare annotation was computed. [2019-11-28 17:25:41,400 INFO L246 CegarLoopResult]: For program point L314-4(lines 314 320) no Hoare annotation was computed. [2019-11-28 17:25:41,400 INFO L246 CegarLoopResult]: For program point L116(lines 116 120) no Hoare annotation was computed. [2019-11-28 17:25:41,400 INFO L242 CegarLoopResult]: At program point L250(lines 246 252) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:41,400 INFO L242 CegarLoopResult]: At program point L184(lines 179 187) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:41,400 INFO L242 CegarLoopResult]: At program point L184-1(lines 179 187) the Hoare annotation is: false [2019-11-28 17:25:41,401 INFO L242 CegarLoopResult]: At program point L184-2(lines 179 187) the Hoare annotation is: false [2019-11-28 17:25:41,401 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:41,401 INFO L249 CegarLoopResult]: At program point L285(lines 266 288) the Hoare annotation is: true [2019-11-28 17:25:41,401 INFO L246 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,401 INFO L246 CegarLoopResult]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,402 INFO L246 CegarLoopResult]: For program point L518-3(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,402 INFO L246 CegarLoopResult]: For program point L518-5(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,402 INFO L246 CegarLoopResult]: For program point L518-6(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,402 INFO L246 CegarLoopResult]: For program point L518-8(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,402 INFO L246 CegarLoopResult]: For program point L518-9(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,402 INFO L246 CegarLoopResult]: For program point L518-11(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,403 INFO L246 CegarLoopResult]: For program point L518-12(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,403 INFO L246 CegarLoopResult]: For program point L518-14(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,403 INFO L246 CegarLoopResult]: For program point L518-15(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,403 INFO L246 CegarLoopResult]: For program point L518-17(lines 518 522) no Hoare annotation was computed. [2019-11-28 17:25:41,403 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:41,403 INFO L246 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2019-11-28 17:25:41,404 INFO L246 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-11-28 17:25:41,404 INFO L246 CegarLoopResult]: For program point L983-2(line 983) no Hoare annotation was computed. [2019-11-28 17:25:41,404 INFO L246 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2019-11-28 17:25:41,404 INFO L246 CegarLoopResult]: For program point L92-3(lines 92 96) no Hoare annotation was computed. [2019-11-28 17:25:41,404 INFO L246 CegarLoopResult]: For program point L92-6(lines 92 96) no Hoare annotation was computed. [2019-11-28 17:25:41,404 INFO L246 CegarLoopResult]: For program point L588(lines 588 599) no Hoare annotation was computed. [2019-11-28 17:25:41,405 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:41,405 INFO L242 CegarLoopResult]: At program point L524(lines 509 527) the Hoare annotation is: false [2019-11-28 17:25:41,405 INFO L242 CegarLoopResult]: At program point L524-1(lines 509 527) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse9 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5))) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse11 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse0 .cse11 .cse3 .cse12 .cse4 .cse5) (and .cse8 .cse10 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse7 .cse9 .cse0 .cse11 .cse2 .cse3 .cse12 .cse4 .cse5 .cse6))) [2019-11-28 17:25:41,405 INFO L242 CegarLoopResult]: At program point L524-2(lines 509 527) the Hoare annotation is: false [2019-11-28 17:25:41,405 INFO L242 CegarLoopResult]: At program point L524-3(lines 509 527) the Hoare annotation is: false [2019-11-28 17:25:41,406 INFO L242 CegarLoopResult]: At program point L524-4(lines 509 527) the Hoare annotation is: false [2019-11-28 17:25:41,406 INFO L242 CegarLoopResult]: At program point L524-5(lines 509 527) the Hoare annotation is: false [2019-11-28 17:25:41,406 INFO L242 CegarLoopResult]: At program point L129(lines 124 132) the Hoare annotation is: false [2019-11-28 17:25:41,406 INFO L242 CegarLoopResult]: At program point L129-1(lines 124 132) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 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 (= 0 ~methaneLevelCritical~0) .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5))) [2019-11-28 17:25:41,407 INFO L242 CegarLoopResult]: At program point L129-2(lines 124 132) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)) (and .cse6 .cse0 .cse1 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse7 .cse2 .cse5))) [2019-11-28 17:25:41,407 INFO L242 CegarLoopResult]: At program point L129-3(lines 124 132) the Hoare annotation is: false [2019-11-28 17:25:41,407 INFO L242 CegarLoopResult]: At program point L129-4(lines 124 132) the Hoare annotation is: false [2019-11-28 17:25:41,407 INFO L242 CegarLoopResult]: At program point L129-5(lines 124 132) the Hoare annotation is: false [2019-11-28 17:25:41,407 INFO L242 CegarLoopResult]: At program point L129-6(lines 124 132) the Hoare annotation is: false [2019-11-28 17:25:41,407 INFO L242 CegarLoopResult]: At program point L129-7(lines 124 132) the Hoare annotation is: false [2019-11-28 17:25:41,408 INFO L242 CegarLoopResult]: At program point L129-8(lines 124 132) the Hoare annotation is: false [2019-11-28 17:25:41,408 INFO L246 CegarLoopResult]: For program point L559(lines 558 603) no Hoare annotation was computed. [2019-11-28 17:25:41,408 INFO L242 CegarLoopResult]: At program point L460(lines 453 463) the Hoare annotation is: false [2019-11-28 17:25:41,408 INFO L242 CegarLoopResult]: At program point L460-1(lines 453 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse5 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:41,408 INFO L242 CegarLoopResult]: At program point L460-2(lines 453 463) the Hoare annotation is: false [2019-11-28 17:25:41,409 INFO L242 CegarLoopResult]: At program point L460-3(lines 453 463) the Hoare annotation is: false [2019-11-28 17:25:41,409 INFO L242 CegarLoopResult]: At program point L460-4(lines 453 463) the Hoare annotation is: false [2019-11-28 17:25:41,409 INFO L242 CegarLoopResult]: At program point L460-5(lines 453 463) the Hoare annotation is: false [2019-11-28 17:25:41,409 INFO L246 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2019-11-28 17:25:41,409 INFO L242 CegarLoopResult]: At program point L65(lines 1 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:41,409 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:41,410 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-28 17:25:41,410 INFO L246 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-11-28 17:25:41,410 INFO L246 CegarLoopResult]: For program point L594-2(lines 340 346) no Hoare annotation was computed. [2019-11-28 17:25:41,410 INFO L242 CegarLoopResult]: At program point L298(lines 293 300) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:41,410 INFO L246 CegarLoopResult]: For program point L398(lines 398 415) no Hoare annotation was computed. [2019-11-28 17:25:41,411 INFO L246 CegarLoopResult]: For program point L398-1(lines 398 415) no Hoare annotation was computed. [2019-11-28 17:25:41,411 INFO L246 CegarLoopResult]: For program point L398-2(lines 398 415) no Hoare annotation was computed. [2019-11-28 17:25:41,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:41 BoogieIcfgContainer [2019-11-28 17:25:41,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:41,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:41,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:41,466 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:41,466 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 17:25:41,470 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:41,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:41,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:41,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:41,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:41,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:41,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:41,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:41,553 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-28 17:25:41,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-28 17:25:41,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-11-28 17:25:41,555 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 17:25:41,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:41,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter)) || ((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:41,558 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) [2019-11-28 17:25:41,558 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:25:41,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 17:25:41,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((tmp == systemActive && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 17:25:41,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:41,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-11-28 17:25:41,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 == \result) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((!(0 == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) [2019-11-28 17:25:41,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((((0 == \result && !(0 == tmp)) && tmp == systemActive) && 0 == tmp___0) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:41,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:25:41,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:41,712 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:41,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:41,714 INFO L168 Benchmark]: Toolchain (without parser) took 17031.86 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 952.3 MB in the beginning and 798.2 MB in the end (delta: 154.1 MB). Peak memory consumption was 473.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:41,714 INFO L168 Benchmark]: CDTParser took 0.76 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 17:25:41,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:41,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:41,715 INFO L168 Benchmark]: Boogie Preprocessor took 60.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:41,716 INFO L168 Benchmark]: RCFGBuilder took 1086.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 964.4 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:41,717 INFO L168 Benchmark]: TraceAbstraction took 14858.39 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 252.2 MB). Free memory was 964.4 MB in the beginning and 810.1 MB in the end (delta: 154.3 MB). Peak memory consumption was 413.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:41,717 INFO L168 Benchmark]: Witness Printer took 247.24 ms. Allocated memory is still 1.3 GB. Free memory was 810.1 MB in the beginning and 798.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:41,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 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 678.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1086.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 964.4 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14858.39 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 252.2 MB). Free memory was 964.4 MB in the beginning and 810.1 MB in the end (delta: 154.3 MB). Peak memory consumption was 413.3 MB. Max. memory is 11.5 GB. * Witness Printer took 247.24 ms. Allocated memory is still 1.3 GB. Free memory was 810.1 MB in the beginning and 798.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: 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: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && 0 == splverifierCounter) || ((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter)) || ((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((((0 == \result && !(0 == tmp)) && tmp == systemActive) && 0 == tmp___0) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && 0 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 1 == tmp) && 0 == \result) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((((tmp == 0 && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((((tmp == systemActive && 1 == tmp) && 1 == \result) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == methaneLevelCritical && tmp == systemActive) && 2 <= waterLevel) && 0 == \result) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && tmp == systemActive) && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) || (((((((tmp == systemActive && 0 == \result) && 1 == tmp) && \result == systemActive) && 1 <= waterLevel) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((((((!(0 == \result) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((((!(0 == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && 0 == \result) && 1 == tmp) && !(0 == tmp___0)) && \result == systemActive) && 1 <= waterLevel) && ((0 == waterLevel && 1 == tmp) || (!(0 == waterLevel) && 0 == tmp))) && 0 == splverifierCounter) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && 2 <= waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && 2 <= waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((tmp == systemActive && 1 == tmp) && \result == systemActive) && !(\result == 0)) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, HoareTripleCheckerStatistics: 1699 SDtfs, 2443 SDslu, 2675 SDs, 0 SdLazy, 384 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s 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: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1639 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1054 HoareAnnotationTreeSize, 55 FomulaSimplifications, 4303793 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 55 FomulaSimplificationsInter, 826731 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 98689 SizeOfPredicates, 5 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 246/290 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...