./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec4_product54.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec670bcbf6c6e1b5a4e4315225f9cccdc4aca27e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:44:20,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:20,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:20,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:20,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:20,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:20,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:20,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:20,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:20,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:20,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:20,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:20,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:20,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:20,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:20,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:20,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:20,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:20,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:20,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:20,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:20,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:20,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:20,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:20,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:20,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:20,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:20,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:20,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:20,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:20,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:20,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:20,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:20,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:20,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:20,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:20,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:20,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:20,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:20,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:20,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:20,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:20,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:20,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:20,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:20,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:20,213 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:20,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:20,214 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:20,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:20,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:20,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:20,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:20,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:20,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:20,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:20,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:20,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:20,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:20,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:20,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:20,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:20,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:20,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:20,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:20,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:20,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:20,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:20,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:20,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:20,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:20,219 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(reach_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 -> ec670bcbf6c6e1b5a4e4315225f9cccdc4aca27e [2020-10-20 01:44:20,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:20,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:20,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:20,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:20,430 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:20,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2020-10-20 01:44:20,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e549dde71/5630fa654bd342fe90e956d3cfca8ed2/FLAGfe3109e1a [2020-10-20 01:44:20,992 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:20,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2020-10-20 01:44:21,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e549dde71/5630fa654bd342fe90e956d3cfca8ed2/FLAGfe3109e1a [2020-10-20 01:44:21,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e549dde71/5630fa654bd342fe90e956d3cfca8ed2 [2020-10-20 01:44:21,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:21,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:21,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:21,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:21,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:21,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d1201a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21, skipping insertion in model container [2020-10-20 01:44:21,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:21,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:21,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:21,822 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:21,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:21,945 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:21,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21 WrapperNode [2020-10-20 01:44:21,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:21,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:21,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:21,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:21,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:22,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:22,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:22,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:22,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:22,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:22,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:22,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:22,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:22,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:22,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:22,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:22,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:22,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:22,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:22,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:22,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (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 [2020-10-20 01:44:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:22,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:23,465 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:23,466 INFO L298 CfgBuilder]: Removed 284 assume(true) statements. [2020-10-20 01:44:23,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:23 BoogieIcfgContainer [2020-10-20 01:44:23,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:23,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:23,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:23,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:23,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:21" (1/3) ... [2020-10-20 01:44:23,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291f2ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:23, skipping insertion in model container [2020-10-20 01:44:23,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (2/3) ... [2020-10-20 01:44:23,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291f2ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:23, skipping insertion in model container [2020-10-20 01:44:23,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:23" (3/3) ... [2020-10-20 01:44:23,476 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2020-10-20 01:44:23,488 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:23,495 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:23,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:23,532 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:23,532 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:23,532 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:23,532 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:23,533 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:23,533 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:23,533 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:23,533 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-10-20 01:44:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:23,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:23,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:23,558 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:23,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:23,563 INFO L82 PathProgramCache]: Analyzing trace with hash 265155869, now seen corresponding path program 1 times [2020-10-20 01:44:23,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:23,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060496175] [2020-10-20 01:44:23,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:23,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060496175] [2020-10-20 01:44:23,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:23,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:23,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71479092] [2020-10-20 01:44:23,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:23,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:23,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:23,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:23,849 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-10-20 01:44:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:23,923 INFO L93 Difference]: Finished difference Result 375 states and 572 transitions. [2020-10-20 01:44:23,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:23,925 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:23,949 INFO L225 Difference]: With dead ends: 375 [2020-10-20 01:44:23,949 INFO L226 Difference]: Without dead ends: 185 [2020-10-20 01:44:23,955 INFO L677 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 [2020-10-20 01:44:23,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-20 01:44:24,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-20 01:44:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-20 01:44:24,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2020-10-20 01:44:24,012 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2020-10-20 01:44:24,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,013 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2020-10-20 01:44:24,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-10-20 01:44:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:24,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:24,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:24,015 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,016 INFO L82 PathProgramCache]: Analyzing trace with hash -781601028, now seen corresponding path program 1 times [2020-10-20 01:44:24,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53189258] [2020-10-20 01:44:24,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53189258] [2020-10-20 01:44:24,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:24,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807995187] [2020-10-20 01:44:24,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:24,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:24,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:24,160 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2020-10-20 01:44:24,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,193 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-10-20 01:44:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:24,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:24,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,195 INFO L225 Difference]: With dead ends: 185 [2020-10-20 01:44:24,198 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:44:24,199 INFO L677 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 [2020-10-20 01:44:24,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:44:24,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 01:44:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:44:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-10-20 01:44:24,213 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2020-10-20 01:44:24,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,213 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-10-20 01:44:24,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-10-20 01:44:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:24,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,215 INFO L422 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] [2020-10-20 01:44:24,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:24,215 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,216 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2020-10-20 01:44:24,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862087432] [2020-10-20 01:44:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862087432] [2020-10-20 01:44:24,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:24,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895725735] [2020-10-20 01:44:24,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:24,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:24,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:24,364 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2020-10-20 01:44:24,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,391 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2020-10-20 01:44:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:24,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:44:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,393 INFO L225 Difference]: With dead ends: 136 [2020-10-20 01:44:24,393 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:44:24,393 INFO L677 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 [2020-10-20 01:44:24,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:44:24,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 01:44:24,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:44:24,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2020-10-20 01:44:24,401 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2020-10-20 01:44:24,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,401 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2020-10-20 01:44:24,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:24,402 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-10-20 01:44:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:24,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,403 INFO L422 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] [2020-10-20 01:44:24,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:24,403 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2020-10-20 01:44:24,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999828465] [2020-10-20 01:44:24,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999828465] [2020-10-20 01:44:24,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:24,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801133924] [2020-10-20 01:44:24,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:24,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:24,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:24,484 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2020-10-20 01:44:24,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,528 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-10-20 01:44:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:24,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:44:24,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,530 INFO L225 Difference]: With dead ends: 145 [2020-10-20 01:44:24,530 INFO L226 Difference]: Without dead ends: 80 [2020-10-20 01:44:24,531 INFO L677 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 [2020-10-20 01:44:24,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-20 01:44:24,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2020-10-20 01:44:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-20 01:44:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2020-10-20 01:44:24,540 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2020-10-20 01:44:24,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,540 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2020-10-20 01:44:24,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:24,541 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-10-20 01:44:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:24,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,542 INFO L422 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] [2020-10-20 01:44:24,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:24,542 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,543 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2020-10-20 01:44:24,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711024641] [2020-10-20 01:44:24,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711024641] [2020-10-20 01:44:24,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:24,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658886863] [2020-10-20 01:44:24,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:24,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:24,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:24,634 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2020-10-20 01:44:24,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,721 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2020-10-20 01:44:24,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:24,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-20 01:44:24,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,724 INFO L225 Difference]: With dead ends: 204 [2020-10-20 01:44:24,724 INFO L226 Difference]: Without dead ends: 132 [2020-10-20 01:44:24,725 INFO L677 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 [2020-10-20 01:44:24,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-20 01:44:24,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2020-10-20 01:44:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-20 01:44:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-10-20 01:44:24,734 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2020-10-20 01:44:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,735 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-10-20 01:44:24,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-10-20 01:44:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:24,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,737 INFO L422 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] [2020-10-20 01:44:24,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:24,737 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2020-10-20 01:44:24,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545954295] [2020-10-20 01:44:24,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545954295] [2020-10-20 01:44:24,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:44:24,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337232025] [2020-10-20 01:44:24,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:44:24,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:44:24,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:24,887 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 7 states. [2020-10-20 01:44:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,143 INFO L93 Difference]: Finished difference Result 568 states and 795 transitions. [2020-10-20 01:44:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:44:25,143 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-10-20 01:44:25,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,146 INFO L225 Difference]: With dead ends: 568 [2020-10-20 01:44:25,146 INFO L226 Difference]: Without dead ends: 487 [2020-10-20 01:44:25,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-20 01:44:25,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-10-20 01:44:25,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2020-10-20 01:44:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-20 01:44:25,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2020-10-20 01:44:25,167 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2020-10-20 01:44:25,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,168 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2020-10-20 01:44:25,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:44:25,168 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2020-10-20 01:44:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-20 01:44:25,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,170 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:25,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:44:25,171 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,171 INFO L82 PathProgramCache]: Analyzing trace with hash 53271310, now seen corresponding path program 1 times [2020-10-20 01:44:25,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267391949] [2020-10-20 01:44:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:25,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267391949] [2020-10-20 01:44:25,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:25,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66372077] [2020-10-20 01:44:25,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:25,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:25,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:25,258 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand 4 states. [2020-10-20 01:44:25,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,316 INFO L93 Difference]: Finished difference Result 446 states and 600 transitions. [2020-10-20 01:44:25,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:25,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-10-20 01:44:25,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,318 INFO L225 Difference]: With dead ends: 446 [2020-10-20 01:44:25,318 INFO L226 Difference]: Without dead ends: 248 [2020-10-20 01:44:25,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:25,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-20 01:44:25,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 182. [2020-10-20 01:44:25,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-20 01:44:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2020-10-20 01:44:25,333 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2020-10-20 01:44:25,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,334 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2020-10-20 01:44:25,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2020-10-20 01:44:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-20 01:44:25,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,336 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:25,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:25,337 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,337 INFO L82 PathProgramCache]: Analyzing trace with hash 2005818766, now seen corresponding path program 1 times [2020-10-20 01:44:25,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361732849] [2020-10-20 01:44:25,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:25,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361732849] [2020-10-20 01:44:25,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:25,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735114972] [2020-10-20 01:44:25,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:25,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:25,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:25,428 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand 6 states. [2020-10-20 01:44:25,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,583 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2020-10-20 01:44:25,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 01:44:25,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-10-20 01:44:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,588 INFO L225 Difference]: With dead ends: 872 [2020-10-20 01:44:25,588 INFO L226 Difference]: Without dead ends: 696 [2020-10-20 01:44:25,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:44:25,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-20 01:44:25,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2020-10-20 01:44:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-20 01:44:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2020-10-20 01:44:25,624 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2020-10-20 01:44:25,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,624 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2020-10-20 01:44:25,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2020-10-20 01:44:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:44:25,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,627 INFO L422 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] [2020-10-20 01:44:25,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:25,627 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1350947658, now seen corresponding path program 1 times [2020-10-20 01:44:25,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040766668] [2020-10-20 01:44:25,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:25,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040766668] [2020-10-20 01:44:25,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:25,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217753128] [2020-10-20 01:44:25,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:25,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:25,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:25,696 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand 5 states. [2020-10-20 01:44:25,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,936 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2020-10-20 01:44:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:25,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-20 01:44:25,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,943 INFO L225 Difference]: With dead ends: 962 [2020-10-20 01:44:25,943 INFO L226 Difference]: Without dead ends: 960 [2020-10-20 01:44:25,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:25,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-10-20 01:44:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2020-10-20 01:44:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-20 01:44:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2020-10-20 01:44:26,128 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2020-10-20 01:44:26,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,129 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2020-10-20 01:44:26,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2020-10-20 01:44:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-20 01:44:26,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,131 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:26,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:26,131 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1349721150, now seen corresponding path program 1 times [2020-10-20 01:44:26,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887648593] [2020-10-20 01:44:26,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887648593] [2020-10-20 01:44:26,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096364567] [2020-10-20 01:44:26,236 INFO L95 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 [2020-10-20 01:44:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:26,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:26,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-20 01:44:26,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617645008] [2020-10-20 01:44:26,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:44:26,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:44:26,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:26,522 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand 8 states. [2020-10-20 01:44:26,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,925 INFO L93 Difference]: Finished difference Result 1346 states and 1773 transitions. [2020-10-20 01:44:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 01:44:26,926 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-10-20 01:44:26,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,931 INFO L225 Difference]: With dead ends: 1346 [2020-10-20 01:44:26,932 INFO L226 Difference]: Without dead ends: 1046 [2020-10-20 01:44:26,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:44:26,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2020-10-20 01:44:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 450. [2020-10-20 01:44:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-10-20 01:44:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 580 transitions. [2020-10-20 01:44:27,006 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 580 transitions. Word has length 57 [2020-10-20 01:44:27,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,007 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 580 transitions. [2020-10-20 01:44:27,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 580 transitions. [2020-10-20 01:44:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:44:27,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,009 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-20 01:44:27,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:44:27,224 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1180233242, now seen corresponding path program 2 times [2020-10-20 01:44:27,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158143719] [2020-10-20 01:44:27,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,403 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:27,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158143719] [2020-10-20 01:44:27,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:27,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603776830] [2020-10-20 01:44:27,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:27,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:27,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:27,407 INFO L87 Difference]: Start difference. First operand 450 states and 580 transitions. Second operand 5 states. [2020-10-20 01:44:27,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,720 INFO L93 Difference]: Finished difference Result 1364 states and 1776 transitions. [2020-10-20 01:44:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:27,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:44:27,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,727 INFO L225 Difference]: With dead ends: 1364 [2020-10-20 01:44:27,727 INFO L226 Difference]: Without dead ends: 968 [2020-10-20 01:44:27,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:27,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2020-10-20 01:44:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 626. [2020-10-20 01:44:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-20 01:44:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 799 transitions. [2020-10-20 01:44:27,820 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 799 transitions. Word has length 82 [2020-10-20 01:44:27,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,820 INFO L481 AbstractCegarLoop]: Abstraction has 626 states and 799 transitions. [2020-10-20 01:44:27,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 799 transitions. [2020-10-20 01:44:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:44:27,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,822 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-20 01:44:27,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:44:27,822 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1574600028, now seen corresponding path program 1 times [2020-10-20 01:44:27,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931271739] [2020-10-20 01:44:27,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:27,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931271739] [2020-10-20 01:44:27,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:27,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512881069] [2020-10-20 01:44:27,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:27,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:27,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:27,905 INFO L87 Difference]: Start difference. First operand 626 states and 799 transitions. Second operand 5 states. [2020-10-20 01:44:28,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:28,014 INFO L93 Difference]: Finished difference Result 1134 states and 1440 transitions. [2020-10-20 01:44:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:28,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:44:28,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:28,016 INFO L225 Difference]: With dead ends: 1134 [2020-10-20 01:44:28,016 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:28,017 INFO L677 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 [2020-10-20 01:44:28,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:28,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:28,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:28,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-10-20 01:44:28,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:28,019 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:28,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:28,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:28,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:28,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:44:28,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:28,268 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 117 [2020-10-20 01:44:29,064 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2020-10-20 01:44:29,467 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 174 [2020-10-20 01:44:29,948 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 161 [2020-10-20 01:44:30,086 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2020-10-20 01:44:30,514 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2020-10-20 01:44:30,658 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 106 [2020-10-20 01:44:30,836 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 137 [2020-10-20 01:44:31,130 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 173 [2020-10-20 01:44:31,665 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 25 [2020-10-20 01:44:32,736 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 178 DAG size of output: 17 [2020-10-20 01:44:33,509 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 17 [2020-10-20 01:44:33,806 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 20 [2020-10-20 01:44:34,585 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 10 [2020-10-20 01:44:34,971 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 19 [2020-10-20 01:44:36,037 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 178 DAG size of output: 17 [2020-10-20 01:44:36,535 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 26 [2020-10-20 01:44:37,126 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 25 [2020-10-20 01:44:38,039 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-10-20 01:44:38,273 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 18 [2020-10-20 01:44:38,562 INFO L274 CegarLoopResult]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,563 INFO L274 CegarLoopResult]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,563 INFO L274 CegarLoopResult]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,563 INFO L274 CegarLoopResult]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,563 INFO L274 CegarLoopResult]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,563 INFO L274 CegarLoopResult]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,563 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:38,563 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:38,564 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:38,564 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:38,564 INFO L270 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: false [2020-10-20 01:44:38,565 INFO L270 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2020-10-20 01:44:38,565 INFO L270 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2020-10-20 01:44:38,565 INFO L274 CegarLoopResult]: For program point L468(lines 468 475) no Hoare annotation was computed. [2020-10-20 01:44:38,565 INFO L277 CegarLoopResult]: At program point L468-1(lines 468 475) the Hoare annotation is: true [2020-10-20 01:44:38,565 INFO L274 CegarLoopResult]: For program point L369(lines 369 375) no Hoare annotation was computed. [2020-10-20 01:44:38,566 INFO L274 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,566 INFO L274 CegarLoopResult]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2020-10-20 01:44:38,566 INFO L274 CegarLoopResult]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,566 INFO L274 CegarLoopResult]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,566 INFO L274 CegarLoopResult]: For program point L369-4(lines 369 375) no Hoare annotation was computed. [2020-10-20 01:44:38,566 INFO L274 CegarLoopResult]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,567 INFO L270 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-10-20 01:44:38,567 INFO L274 CegarLoopResult]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,567 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-10-20 01:44:38,568 INFO L270 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-10-20 01:44:38,568 INFO L274 CegarLoopResult]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,568 INFO L270 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-10-20 01:44:38,568 INFO L274 CegarLoopResult]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,568 INFO L274 CegarLoopResult]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,568 INFO L274 CegarLoopResult]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,569 INFO L274 CegarLoopResult]: For program point L931(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,569 INFO L274 CegarLoopResult]: For program point L931-1(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,569 INFO L274 CegarLoopResult]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,569 INFO L274 CegarLoopResult]: For program point L931-2(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,569 INFO L274 CegarLoopResult]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,570 INFO L274 CegarLoopResult]: For program point L931-3(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,570 INFO L274 CegarLoopResult]: For program point L931-4(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,570 INFO L274 CegarLoopResult]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:38,570 INFO L274 CegarLoopResult]: For program point L931-5(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,570 INFO L274 CegarLoopResult]: For program point L931-6(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,570 INFO L274 CegarLoopResult]: For program point L931-7(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,571 INFO L274 CegarLoopResult]: For program point L931-8(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,571 INFO L274 CegarLoopResult]: For program point L931-9(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,571 INFO L274 CegarLoopResult]: For program point L931-10(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,571 INFO L274 CegarLoopResult]: For program point L931-11(lines 931 937) no Hoare annotation was computed. [2020-10-20 01:44:38,571 INFO L274 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-10-20 01:44:38,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:38,572 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:44:38,572 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-10-20 01:44:38,572 INFO L270 CegarLoopResult]: At program point L936(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,573 INFO L270 CegarLoopResult]: At program point L936-1(lines 927 940) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse0 .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-10-20 01:44:38,573 INFO L270 CegarLoopResult]: At program point L936-2(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,573 INFO L270 CegarLoopResult]: At program point L936-3(lines 927 940) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-10-20 01:44:38,573 INFO L270 CegarLoopResult]: At program point L936-4(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,573 INFO L270 CegarLoopResult]: At program point L936-5(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,574 INFO L270 CegarLoopResult]: At program point L936-6(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,574 INFO L270 CegarLoopResult]: At program point L936-7(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,574 INFO L270 CegarLoopResult]: At program point L936-8(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,574 INFO L270 CegarLoopResult]: At program point L936-9(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,574 INFO L270 CegarLoopResult]: At program point L936-10(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,575 INFO L270 CegarLoopResult]: At program point L936-11(lines 927 940) the Hoare annotation is: false [2020-10-20 01:44:38,575 INFO L270 CegarLoopResult]: At program point L342(lines 327 345) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:38,575 INFO L270 CegarLoopResult]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:38,575 INFO L270 CegarLoopResult]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:38,575 INFO L270 CegarLoopResult]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:38,576 INFO L270 CegarLoopResult]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:38,576 INFO L270 CegarLoopResult]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:38,576 INFO L270 CegarLoopResult]: At program point L442(lines 438 444) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:38,576 INFO L277 CegarLoopResult]: At program point L477(lines 458 480) the Hoare annotation is: true [2020-10-20 01:44:38,576 INFO L274 CegarLoopResult]: For program point L215(lines 215 232) no Hoare annotation was computed. [2020-10-20 01:44:38,577 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2020-10-20 01:44:38,577 INFO L274 CegarLoopResult]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2020-10-20 01:44:38,577 INFO L274 CegarLoopResult]: For program point L878(lines 878 882) no Hoare annotation was computed. [2020-10-20 01:44:38,577 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:38,577 INFO L274 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,578 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,578 INFO L274 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,578 INFO L274 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,578 INFO L274 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,578 INFO L274 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,578 INFO L274 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,579 INFO L274 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,579 INFO L274 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,579 INFO L274 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,579 INFO L274 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,579 INFO L274 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,579 INFO L274 CegarLoopResult]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,580 INFO L274 CegarLoopResult]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,580 INFO L274 CegarLoopResult]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,580 INFO L274 CegarLoopResult]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,580 INFO L274 CegarLoopResult]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,580 INFO L274 CegarLoopResult]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,580 INFO L274 CegarLoopResult]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,581 INFO L274 CegarLoopResult]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,581 INFO L274 CegarLoopResult]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,581 INFO L274 CegarLoopResult]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,581 INFO L274 CegarLoopResult]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,581 INFO L274 CegarLoopResult]: For program point L219(lines 219 227) no Hoare annotation was computed. [2020-10-20 01:44:38,581 INFO L274 CegarLoopResult]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2020-10-20 01:44:38,582 INFO L274 CegarLoopResult]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:38,582 INFO L274 CegarLoopResult]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2020-10-20 01:44:38,582 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-20 01:44:38,582 INFO L270 CegarLoopResult]: At program point L946(lines 941 949) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:38,582 INFO L270 CegarLoopResult]: At program point L946-1(lines 941 949) the Hoare annotation is: false [2020-10-20 01:44:38,583 INFO L270 CegarLoopResult]: At program point L946-2(lines 941 949) the Hoare annotation is: false [2020-10-20 01:44:38,583 INFO L270 CegarLoopResult]: At program point L946-3(lines 941 949) the Hoare annotation is: false [2020-10-20 01:44:38,583 INFO L270 CegarLoopResult]: At program point L946-4(lines 941 949) the Hoare annotation is: false [2020-10-20 01:44:38,583 INFO L270 CegarLoopResult]: At program point L946-5(lines 941 949) the Hoare annotation is: false [2020-10-20 01:44:38,583 INFO L274 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:38,583 INFO L274 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:38,584 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:38,584 INFO L274 CegarLoopResult]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:38,584 INFO L274 CegarLoopResult]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:38,584 INFO L274 CegarLoopResult]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:38,584 INFO L270 CegarLoopResult]: At program point L982(lines 1 993) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:38,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:38,585 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-20 01:44:38,585 INFO L270 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,585 INFO L270 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-10-20 01:44:38,585 INFO L270 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,586 INFO L270 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 (<= 1 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-10-20 01:44:38,586 INFO L270 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,586 INFO L270 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,586 INFO L270 CegarLoopResult]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,586 INFO L270 CegarLoopResult]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,586 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-20 01:44:38,587 INFO L270 CegarLoopResult]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,587 INFO L270 CegarLoopResult]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,587 INFO L270 CegarLoopResult]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,587 INFO L270 CegarLoopResult]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:38,587 INFO L270 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:38,588 INFO L270 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2020-10-20 01:44:38,588 INFO L274 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:38,588 INFO L270 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2020-10-20 01:44:38,588 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:38,588 INFO L274 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:38,588 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:38,589 INFO L274 CegarLoopResult]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:38,589 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:38,589 INFO L274 CegarLoopResult]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:38,589 INFO L274 CegarLoopResult]: For program point L854(lines 854 858) no Hoare annotation was computed. [2020-10-20 01:44:38,589 INFO L274 CegarLoopResult]: For program point L854-3(lines 854 858) no Hoare annotation was computed. [2020-10-20 01:44:38,589 INFO L274 CegarLoopResult]: For program point L854-6(lines 854 858) no Hoare annotation was computed. [2020-10-20 01:44:38,590 INFO L274 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-10-20 01:44:38,590 INFO L270 CegarLoopResult]: At program point L95-2(lines 131 137) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-10-20 01:44:38,590 INFO L274 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2020-10-20 01:44:38,590 INFO L274 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-10-20 01:44:38,590 INFO L274 CegarLoopResult]: For program point L955-2(line 955) no Hoare annotation was computed. [2020-10-20 01:44:38,590 INFO L270 CegarLoopResult]: At program point L394-2(lines 394 408) the Hoare annotation is: false [2020-10-20 01:44:38,591 INFO L274 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,591 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,591 INFO L274 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,591 INFO L274 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,591 INFO L274 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,591 INFO L274 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,592 INFO L274 CegarLoopResult]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,592 INFO L274 CegarLoopResult]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,592 INFO L270 CegarLoopResult]: At program point L923(lines 918 926) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-10-20 01:44:38,592 INFO L274 CegarLoopResult]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,592 INFO L270 CegarLoopResult]: At program point L923-1(lines 918 926) the Hoare annotation is: false [2020-10-20 01:44:38,593 INFO L274 CegarLoopResult]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,593 INFO L274 CegarLoopResult]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,593 INFO L270 CegarLoopResult]: At program point L923-2(lines 918 926) the Hoare annotation is: false [2020-10-20 01:44:38,593 INFO L274 CegarLoopResult]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:38,593 INFO L274 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-20 01:44:38,593 INFO L270 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:38,594 INFO L274 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-10-20 01:44:38,594 INFO L270 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-10-20 01:44:38,594 INFO L270 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-10-20 01:44:38,594 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:38,594 INFO L270 CegarLoopResult]: At program point L990(lines 985 993) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:38,595 INFO L270 CegarLoopResult]: At program point L891(lines 886 894) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:38,595 INFO L270 CegarLoopResult]: At program point L891-1(lines 886 894) the Hoare annotation is: false [2020-10-20 01:44:38,595 INFO L270 CegarLoopResult]: At program point L891-2(lines 886 894) the Hoare annotation is: false [2020-10-20 01:44:38,595 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:38,595 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-20 01:44:38,595 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2020-10-20 01:44:38,596 INFO L274 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-10-20 01:44:38,596 INFO L274 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2020-10-20 01:44:38,596 INFO L274 CegarLoopResult]: For program point L398-1(lines 131 137) no Hoare annotation was computed. [2020-10-20 01:44:38,596 INFO L270 CegarLoopResult]: At program point L365-1(lines 1 993) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 ~systemActive~0) .cse0 .cse2 .cse3))) [2020-10-20 01:44:38,596 INFO L274 CegarLoopResult]: For program point L365-2(lines 365 378) no Hoare annotation was computed. [2020-10-20 01:44:38,597 INFO L270 CegarLoopResult]: At program point L365-3(lines 1 993) the Hoare annotation is: false [2020-10-20 01:44:38,597 INFO L274 CegarLoopResult]: For program point L365-4(lines 365 378) no Hoare annotation was computed. [2020-10-20 01:44:38,597 INFO L270 CegarLoopResult]: At program point L365-5(lines 1 993) the Hoare annotation is: false [2020-10-20 01:44:38,597 INFO L274 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,597 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,597 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,598 INFO L274 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,598 INFO L274 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,598 INFO L274 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:38,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:38 BoogieIcfgContainer [2020-10-20 01:44:38,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:38,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:38,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:38,628 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:38,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:23" (3/4) ... [2020-10-20 01:44:38,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:38,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:38,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:38,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:38,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:38,665 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:38,666 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:38,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:38,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result)) || ((((methaneLevelCritical == 0 && waterLevel == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:38,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) [2020-10-20 01:44:38,703 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-10-20 01:44:38,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:38,708 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:38,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == 0) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 [2020-10-20 01:44:38,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:38,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && tmp___0 == 1) && 1 <= waterLevel) && splverifierCounter == 0 [2020-10-20 01:44:38,711 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:38,855 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:38,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:38,856 INFO L168 Benchmark]: Toolchain (without parser) took 17532.42 ms. Allocated memory was 41.4 MB in the beginning and 162.0 MB in the end (delta: 120.6 MB). Free memory was 19.0 MB in the beginning and 68.9 MB in the end (delta: -49.9 MB). Peak memory consumption was 70.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:38,857 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:38,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.82 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 18.1 MB in the beginning and 22.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:38,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.81 ms. Allocated memory is still 43.5 MB. Free memory was 22.0 MB in the beginning and 16.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:38,859 INFO L168 Benchmark]: Boogie Preprocessor took 63.91 ms. Allocated memory is still 43.5 MB. Free memory was 16.7 MB in the beginning and 13.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:38,859 INFO L168 Benchmark]: RCFGBuilder took 1320.69 ms. Allocated memory was 43.5 MB in the beginning and 50.9 MB in the end (delta: 7.3 MB). Free memory was 12.8 MB in the beginning and 31.1 MB in the end (delta: -18.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:38,860 INFO L168 Benchmark]: TraceAbstraction took 15157.42 ms. Allocated memory was 50.9 MB in the beginning and 162.0 MB in the end (delta: 111.1 MB). Free memory was 30.7 MB in the beginning and 89.0 MB in the end (delta: -58.3 MB). Peak memory consumption was 135.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:38,860 INFO L168 Benchmark]: Witness Printer took 228.14 ms. Allocated memory is still 162.0 MB. Free memory was 89.0 MB in the beginning and 68.9 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:38,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 614.82 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 18.1 MB in the beginning and 22.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 136.81 ms. Allocated memory is still 43.5 MB. Free memory was 22.0 MB in the beginning and 16.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 63.91 ms. Allocated memory is still 43.5 MB. Free memory was 16.7 MB in the beginning and 13.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1320.69 ms. Allocated memory was 43.5 MB in the beginning and 50.9 MB in the end (delta: 7.3 MB). Free memory was 12.8 MB in the beginning and 31.1 MB in the end (delta: -18.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 15157.42 ms. Allocated memory was 50.9 MB in the beginning and 162.0 MB in the end (delta: 111.1 MB). Free memory was 30.7 MB in the beginning and 89.0 MB in the end (delta: -58.3 MB). Peak memory consumption was 135.8 MB. Max. memory is 14.3 GB. * Witness Printer took 228.14 ms. Allocated memory is still 162.0 MB. Free memory was 89.0 MB in the beginning and 68.9 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result)) || ((((methaneLevelCritical == 0 && waterLevel == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && tmp___0 == 1) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == 0) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 192 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1615 SDtfs, 2814 SDslu, 2971 SDs, 0 SdLazy, 458 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=626occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2278 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 257 NumberOfFragments, 509 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1114668 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 376687 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 570 NumberOfCodeBlocks, 570 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 557 ConstructedInterpolants, 0 QuantifiedInterpolants, 49691 SizeOfPredicates, 4 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 170/176 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...