./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product40.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_spec5_product40.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 b1dccf015ca242d6c8f0727566f3e9418ec10384 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:45:02,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:02,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:02,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:02,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:02,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:02,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:02,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:02,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:02,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:02,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:02,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:02,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:02,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:02,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:02,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:02,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:02,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:02,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:02,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:02,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:02,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:02,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:02,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:02,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:02,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:02,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:02,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:02,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:02,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:02,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:02,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:02,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:02,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:02,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:02,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:02,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:02,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:02,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:02,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:02,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:02,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:02,454 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:02,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:02,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:02,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:02,459 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:02,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:02,460 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:02,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:02,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:02,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:02,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:02,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:02,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:02,463 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:02,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:02,464 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:02,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:02,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:02,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:02,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:02,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:02,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:02,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:02,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:02,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:02,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:02,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:02,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:02,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:02,473 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 -> b1dccf015ca242d6c8f0727566f3e9418ec10384 [2020-10-20 01:45:02,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:02,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:02,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:02,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:02,692 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:02,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2020-10-20 01:45:02,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98c87042/6c2bf70364214d32af9494a0e6ed78c2/FLAG7ce48869b [2020-10-20 01:45:03,330 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:03,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2020-10-20 01:45:03,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98c87042/6c2bf70364214d32af9494a0e6ed78c2/FLAG7ce48869b [2020-10-20 01:45:03,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98c87042/6c2bf70364214d32af9494a0e6ed78c2 [2020-10-20 01:45:03,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:03,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:03,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:03,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:03,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:03,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d8b7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03, skipping insertion in model container [2020-10-20 01:45:03,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:03,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:04,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:04,109 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:04,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:04,245 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:04,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04 WrapperNode [2020-10-20 01:45:04,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:04,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:04,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:04,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:04,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:04,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:04,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:04,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:04,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (1/1) ... [2020-10-20 01:45:04,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:04,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:04,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:04,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:04,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (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 01:45:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:05,559 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:05,559 INFO L298 CfgBuilder]: Removed 182 assume(true) statements. [2020-10-20 01:45:05,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:05 BoogieIcfgContainer [2020-10-20 01:45:05,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:05,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:05,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:05,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:05,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:03" (1/3) ... [2020-10-20 01:45:05,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336e7bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:05, skipping insertion in model container [2020-10-20 01:45:05,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:04" (2/3) ... [2020-10-20 01:45:05,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336e7bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:05, skipping insertion in model container [2020-10-20 01:45:05,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:05" (3/3) ... [2020-10-20 01:45:05,570 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-10-20 01:45:05,583 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:05,591 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:05,606 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:05,635 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:05,635 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:05,635 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:05,636 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:05,636 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:05,636 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:05,636 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:05,636 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2020-10-20 01:45:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:05,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:05,670 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1442838917, now seen corresponding path program 1 times [2020-10-20 01:45:05,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362875311] [2020-10-20 01:45:05,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,981 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 01:45:05,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362875311] [2020-10-20 01:45:05,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:05,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146355107] [2020-10-20 01:45:05,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:05,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:06,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:06,011 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2020-10-20 01:45:06,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,075 INFO L93 Difference]: Finished difference Result 240 states and 361 transitions. [2020-10-20 01:45:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:06,077 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:06,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,100 INFO L225 Difference]: With dead ends: 240 [2020-10-20 01:45:06,100 INFO L226 Difference]: Without dead ends: 118 [2020-10-20 01:45:06,105 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 01:45:06,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-20 01:45:06,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-10-20 01:45:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-20 01:45:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2020-10-20 01:45:06,150 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2020-10-20 01:45:06,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,150 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2020-10-20 01:45:06,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2020-10-20 01:45:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:06,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,152 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] [2020-10-20 01:45:06,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:06,153 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1046108826, now seen corresponding path program 1 times [2020-10-20 01:45:06,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061449310] [2020-10-20 01:45:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,299 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 01:45:06,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061449310] [2020-10-20 01:45:06,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:06,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970151844] [2020-10-20 01:45:06,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:06,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:06,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:06,303 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2020-10-20 01:45:06,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,316 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2020-10-20 01:45:06,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:06,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:06,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,318 INFO L225 Difference]: With dead ends: 118 [2020-10-20 01:45:06,318 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 01:45:06,319 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 01:45:06,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 01:45:06,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-20 01:45:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-20 01:45:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-10-20 01:45:06,326 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-10-20 01:45:06,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,326 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-10-20 01:45:06,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:06,326 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-10-20 01:45:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:06,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,328 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] [2020-10-20 01:45:06,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:06,328 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,329 INFO L82 PathProgramCache]: Analyzing trace with hash -807039390, now seen corresponding path program 1 times [2020-10-20 01:45:06,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655498639] [2020-10-20 01:45:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,415 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 01:45:06,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655498639] [2020-10-20 01:45:06,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:06,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290807130] [2020-10-20 01:45:06,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:06,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:06,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:06,418 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2020-10-20 01:45:06,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,455 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2020-10-20 01:45:06,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:06,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:06,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,457 INFO L225 Difference]: With dead ends: 139 [2020-10-20 01:45:06,457 INFO L226 Difference]: Without dead ends: 95 [2020-10-20 01:45:06,458 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 01:45:06,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-20 01:45:06,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2020-10-20 01:45:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-20 01:45:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2020-10-20 01:45:06,470 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2020-10-20 01:45:06,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,471 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2020-10-20 01:45:06,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2020-10-20 01:45:06,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:45:06,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,473 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] [2020-10-20 01:45:06,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:06,473 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1166251271, now seen corresponding path program 1 times [2020-10-20 01:45:06,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564839472] [2020-10-20 01:45:06,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,541 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 01:45:06,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564839472] [2020-10-20 01:45:06,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:06,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659328069] [2020-10-20 01:45:06,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:06,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:06,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:06,544 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2020-10-20 01:45:06,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,607 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2020-10-20 01:45:06,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:06,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-20 01:45:06,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,610 INFO L225 Difference]: With dead ends: 222 [2020-10-20 01:45:06,610 INFO L226 Difference]: Without dead ends: 138 [2020-10-20 01:45:06,611 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 01:45:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-20 01:45:06,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2020-10-20 01:45:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-20 01:45:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2020-10-20 01:45:06,628 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2020-10-20 01:45:06,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,629 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2020-10-20 01:45:06,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:06,629 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2020-10-20 01:45:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 01:45:06,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,631 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] [2020-10-20 01:45:06,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:06,631 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,632 INFO L82 PathProgramCache]: Analyzing trace with hash -237845909, now seen corresponding path program 1 times [2020-10-20 01:45:06,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694958328] [2020-10-20 01:45:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,703 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 01:45:06,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694958328] [2020-10-20 01:45:06,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:06,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283881529] [2020-10-20 01:45:06,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:06,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:06,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:06,706 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2020-10-20 01:45:06,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,871 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2020-10-20 01:45:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:06,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-20 01:45:06,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,875 INFO L225 Difference]: With dead ends: 475 [2020-10-20 01:45:06,875 INFO L226 Difference]: Without dead ends: 346 [2020-10-20 01:45:06,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:06,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-20 01:45:06,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2020-10-20 01:45:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-20 01:45:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2020-10-20 01:45:06,899 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2020-10-20 01:45:06,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,900 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2020-10-20 01:45:06,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:06,901 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2020-10-20 01:45:06,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:06,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,902 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, 1, 1, 1] [2020-10-20 01:45:06,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:06,903 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2058108952, now seen corresponding path program 1 times [2020-10-20 01:45:06,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516995882] [2020-10-20 01:45:06,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,986 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 01:45:06,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516995882] [2020-10-20 01:45:06,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:06,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696347611] [2020-10-20 01:45:06,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:06,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:06,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:06,989 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2020-10-20 01:45:07,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:07,066 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2020-10-20 01:45:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:07,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:07,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:07,069 INFO L225 Difference]: With dead ends: 363 [2020-10-20 01:45:07,069 INFO L226 Difference]: Without dead ends: 236 [2020-10-20 01:45:07,070 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 01:45:07,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-20 01:45:07,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2020-10-20 01:45:07,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-20 01:45:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2020-10-20 01:45:07,088 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2020-10-20 01:45:07,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,089 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2020-10-20 01:45:07,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:07,089 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2020-10-20 01:45:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:07,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,091 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, 1, 1, 1] [2020-10-20 01:45:07,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:07,092 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1357044374, now seen corresponding path program 1 times [2020-10-20 01:45:07,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27945376] [2020-10-20 01:45:07,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:07,191 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 01:45:07,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27945376] [2020-10-20 01:45:07,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:07,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:07,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801546584] [2020-10-20 01:45:07,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:07,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:07,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:07,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:07,194 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 5 states. [2020-10-20 01:45:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:07,345 INFO L93 Difference]: Finished difference Result 406 states and 552 transitions. [2020-10-20 01:45:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:07,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:07,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:07,348 INFO L225 Difference]: With dead ends: 406 [2020-10-20 01:45:07,348 INFO L226 Difference]: Without dead ends: 267 [2020-10-20 01:45:07,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:07,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-10-20 01:45:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 154. [2020-10-20 01:45:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-20 01:45:07,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2020-10-20 01:45:07,370 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2020-10-20 01:45:07,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,371 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2020-10-20 01:45:07,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:07,371 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2020-10-20 01:45:07,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:07,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,379 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, 1, 1, 1] [2020-10-20 01:45:07,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:07,380 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1943850388, now seen corresponding path program 1 times [2020-10-20 01:45:07,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721066193] [2020-10-20 01:45:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:07,461 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 01:45:07,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721066193] [2020-10-20 01:45:07,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:07,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:07,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104756245] [2020-10-20 01:45:07,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:07,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:07,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:07,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:07,464 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2020-10-20 01:45:07,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:07,517 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2020-10-20 01:45:07,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:07,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:45:07,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:07,519 INFO L225 Difference]: With dead ends: 359 [2020-10-20 01:45:07,519 INFO L226 Difference]: Without dead ends: 212 [2020-10-20 01:45:07,520 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 01:45:07,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-20 01:45:07,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-20 01:45:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-20 01:45:07,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2020-10-20 01:45:07,537 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2020-10-20 01:45:07,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,538 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2020-10-20 01:45:07,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2020-10-20 01:45:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:45:07,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,539 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, 1, 1, 1, 1] [2020-10-20 01:45:07,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:07,540 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,541 INFO L82 PathProgramCache]: Analyzing trace with hash 955170732, now seen corresponding path program 1 times [2020-10-20 01:45:07,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191346633] [2020-10-20 01:45:07,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:07,658 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 01:45:07,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191346633] [2020-10-20 01:45:07,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:07,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:07,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127449102] [2020-10-20 01:45:07,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:07,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:07,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:07,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:07,661 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 7 states. [2020-10-20 01:45:08,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,009 INFO L93 Difference]: Finished difference Result 1039 states and 1412 transitions. [2020-10-20 01:45:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:08,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-10-20 01:45:08,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,017 INFO L225 Difference]: With dead ends: 1039 [2020-10-20 01:45:08,017 INFO L226 Difference]: Without dead ends: 892 [2020-10-20 01:45:08,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:08,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-10-20 01:45:08,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 372. [2020-10-20 01:45:08,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-10-20 01:45:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 491 transitions. [2020-10-20 01:45:08,056 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 491 transitions. Word has length 35 [2020-10-20 01:45:08,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,057 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 491 transitions. [2020-10-20 01:45:08,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:08,057 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2020-10-20 01:45:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-20 01:45:08,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,059 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, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:08,059 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2130336822, now seen corresponding path program 1 times [2020-10-20 01:45:08,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142889891] [2020-10-20 01:45:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:45:08,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142889891] [2020-10-20 01:45:08,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:08,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89633870] [2020-10-20 01:45:08,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:08,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:08,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,105 INFO L87 Difference]: Start difference. First operand 372 states and 491 transitions. Second operand 3 states. [2020-10-20 01:45:08,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,211 INFO L93 Difference]: Finished difference Result 624 states and 822 transitions. [2020-10-20 01:45:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:08,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-10-20 01:45:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,214 INFO L225 Difference]: With dead ends: 624 [2020-10-20 01:45:08,214 INFO L226 Difference]: Without dead ends: 259 [2020-10-20 01:45:08,215 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 01:45:08,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-20 01:45:08,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2020-10-20 01:45:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-20 01:45:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2020-10-20 01:45:08,239 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 329 transitions. Word has length 55 [2020-10-20 01:45:08,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,239 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 329 transitions. [2020-10-20 01:45:08,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 329 transitions. [2020-10-20 01:45:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:45:08,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,241 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:45:08,241 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1572224159, now seen corresponding path program 1 times [2020-10-20 01:45:08,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376678025] [2020-10-20 01:45:08,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:08,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376678025] [2020-10-20 01:45:08,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969924332] [2020-10-20 01:45:08,315 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 01:45:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:08,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:08,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:08,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-10-20 01:45:08,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19872927] [2020-10-20 01:45:08,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 01:45:08,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 01:45:08,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:08,565 INFO L87 Difference]: Start difference. First operand 253 states and 329 transitions. Second operand 9 states. [2020-10-20 01:45:09,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,029 INFO L93 Difference]: Finished difference Result 588 states and 775 transitions. [2020-10-20 01:45:09,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 01:45:09,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-10-20 01:45:09,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,030 INFO L225 Difference]: With dead ends: 588 [2020-10-20 01:45:09,030 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:09,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:45:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:09,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-20 01:45:09,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,032 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:09,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 01:45:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:09,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:09,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-20 01:45:09,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:09,445 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 90 [2020-10-20 01:45:10,020 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2020-10-20 01:45:10,656 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 28 [2020-10-20 01:45:10,911 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2020-10-20 01:45:11,214 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-10-20 01:45:11,341 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-10-20 01:45:11,749 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-10-20 01:45:11,861 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2020-10-20 01:45:12,163 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-10-20 01:45:12,346 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 27 [2020-10-20 01:45:12,547 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 13 [2020-10-20 01:45:12,752 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2020-10-20 01:45:12,967 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-10-20 01:45:13,195 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2020-10-20 01:45:13,246 INFO L274 CegarLoopResult]: For program point L101-4(lines 101 109) no Hoare annotation was computed. [2020-10-20 01:45:13,247 INFO L274 CegarLoopResult]: For program point L101-5(lines 101 109) no Hoare annotation was computed. [2020-10-20 01:45:13,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:13,248 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:13,248 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:13,248 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:13,248 INFO L274 CegarLoopResult]: For program point L763(lines 763 767) no Hoare annotation was computed. [2020-10-20 01:45:13,248 INFO L274 CegarLoopResult]: For program point L730(lines 730 740) no Hoare annotation was computed. [2020-10-20 01:45:13,248 INFO L274 CegarLoopResult]: For program point L763-1(lines 763 767) no Hoare annotation was computed. [2020-10-20 01:45:13,248 INFO L274 CegarLoopResult]: For program point L730-2(lines 730 740) no Hoare annotation was computed. [2020-10-20 01:45:13,248 INFO L274 CegarLoopResult]: For program point L730-4(lines 730 740) no Hoare annotation was computed. [2020-10-20 01:45:13,249 INFO L274 CegarLoopResult]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-10-20 01:45:13,249 INFO L274 CegarLoopResult]: For program point L731-2(lines 731 737) no Hoare annotation was computed. [2020-10-20 01:45:13,249 INFO L274 CegarLoopResult]: For program point L731-4(lines 731 737) no Hoare annotation was computed. [2020-10-20 01:45:13,249 INFO L274 CegarLoopResult]: For program point L302(lines 302 317) no Hoare annotation was computed. [2020-10-20 01:45:13,249 INFO L270 CegarLoopResult]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:13,249 INFO L270 CegarLoopResult]: At program point L72-1(lines 72 78) the Hoare annotation is: false [2020-10-20 01:45:13,250 INFO L270 CegarLoopResult]: At program point L72-2(lines 72 78) the Hoare annotation is: false [2020-10-20 01:45:13,250 INFO L274 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2020-10-20 01:45:13,251 INFO L274 CegarLoopResult]: For program point L898-3(lines 898 902) no Hoare annotation was computed. [2020-10-20 01:45:13,251 INFO L274 CegarLoopResult]: For program point L898-6(lines 898 902) no Hoare annotation was computed. [2020-10-20 01:45:13,251 INFO L274 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-10-20 01:45:13,252 INFO L270 CegarLoopResult]: At program point L239-1(lines 239 245) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:45:13,252 INFO L274 CegarLoopResult]: For program point L834(lines 834 841) no Hoare annotation was computed. [2020-10-20 01:45:13,252 INFO L277 CegarLoopResult]: At program point L834-1(lines 834 841) the Hoare annotation is: true [2020-10-20 01:45:13,253 INFO L274 CegarLoopResult]: For program point L273(lines 272 321) no Hoare annotation was computed. [2020-10-20 01:45:13,253 INFO L270 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse5)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2020-10-20 01:45:13,253 INFO L270 CegarLoopResult]: At program point L967-1(lines 962 970) the Hoare annotation is: false [2020-10-20 01:45:13,254 INFO L270 CegarLoopResult]: At program point L967-2(lines 962 970) the Hoare annotation is: false [2020-10-20 01:45:13,255 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:13,255 INFO L274 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-10-20 01:45:13,255 INFO L270 CegarLoopResult]: At program point L935(lines 930 938) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:45:13,255 INFO L270 CegarLoopResult]: At program point L935-1(lines 930 938) the Hoare annotation is: false [2020-10-20 01:45:13,255 INFO L270 CegarLoopResult]: At program point L935-2(lines 930 938) the Hoare annotation is: false [2020-10-20 01:45:13,256 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (or (<= ~waterLevel~0 1) .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse7 .cse4) (and .cse5 (= 0 ~systemActive~0) .cse6 .cse7 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse3 .cse4)))) [2020-10-20 01:45:13,256 INFO L270 CegarLoopResult]: At program point L176-1(lines 171 179) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2020-10-20 01:45:13,256 INFO L270 CegarLoopResult]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2020-10-20 01:45:13,257 INFO L270 CegarLoopResult]: At program point L176-3(lines 171 179) the Hoare annotation is: false [2020-10-20 01:45:13,257 INFO L270 CegarLoopResult]: At program point L176-4(lines 171 179) the Hoare annotation is: false [2020-10-20 01:45:13,257 INFO L270 CegarLoopResult]: At program point L176-5(lines 171 179) the Hoare annotation is: false [2020-10-20 01:45:13,258 INFO L270 CegarLoopResult]: At program point L705(lines 700 707) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:13,258 INFO L274 CegarLoopResult]: For program point L310(lines 310 316) no Hoare annotation was computed. [2020-10-20 01:45:13,258 INFO L270 CegarLoopResult]: At program point L310-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:13,258 INFO L270 CegarLoopResult]: At program point L807(lines 803 809) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:13,258 INFO L274 CegarLoopResult]: For program point L975(lines 975 981) no Hoare annotation was computed. [2020-10-20 01:45:13,258 INFO L274 CegarLoopResult]: For program point L975-1(lines 975 981) no Hoare annotation was computed. [2020-10-20 01:45:13,258 INFO L274 CegarLoopResult]: For program point L975-2(lines 975 981) no Hoare annotation was computed. [2020-10-20 01:45:13,259 INFO L274 CegarLoopResult]: For program point L975-3(lines 975 981) no Hoare annotation was computed. [2020-10-20 01:45:13,260 INFO L274 CegarLoopResult]: For program point L975-4(lines 975 981) no Hoare annotation was computed. [2020-10-20 01:45:13,260 INFO L277 CegarLoopResult]: At program point L843(lines 824 846) the Hoare annotation is: true [2020-10-20 01:45:13,260 INFO L274 CegarLoopResult]: For program point L975-5(lines 975 981) no Hoare annotation was computed. [2020-10-20 01:45:13,260 INFO L274 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-10-20 01:45:13,263 INFO L270 CegarLoopResult]: At program point L282-1(lines 282 288) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:13,263 INFO L274 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-10-20 01:45:13,263 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:13,263 INFO L270 CegarLoopResult]: At program point L879(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:13,264 INFO L270 CegarLoopResult]: At program point L715(lines 65 71) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2020-10-20 01:45:13,264 INFO L270 CegarLoopResult]: At program point L715-1(lines 65 71) the Hoare annotation is: false [2020-10-20 01:45:13,264 INFO L270 CegarLoopResult]: At program point L715-2(lines 65 71) the Hoare annotation is: false [2020-10-20 01:45:13,265 INFO L270 CegarLoopResult]: At program point L980(lines 971 984) the Hoare annotation is: false [2020-10-20 01:45:13,265 INFO L270 CegarLoopResult]: At program point L980-1(lines 971 984) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-10-20 01:45:13,265 INFO L270 CegarLoopResult]: At program point L980-2(lines 971 984) the Hoare annotation is: false [2020-10-20 01:45:13,265 INFO L270 CegarLoopResult]: At program point L980-3(lines 971 984) the Hoare annotation is: false [2020-10-20 01:45:13,265 INFO L270 CegarLoopResult]: At program point L980-4(lines 971 984) the Hoare annotation is: false [2020-10-20 01:45:13,266 INFO L270 CegarLoopResult]: At program point L980-5(lines 971 984) the Hoare annotation is: false [2020-10-20 01:45:13,266 INFO L274 CegarLoopResult]: For program point L123(lines 123 140) no Hoare annotation was computed. [2020-10-20 01:45:13,266 INFO L274 CegarLoopResult]: For program point L123-1(lines 123 140) no Hoare annotation was computed. [2020-10-20 01:45:13,266 INFO L274 CegarLoopResult]: For program point L123-2(lines 123 140) no Hoare annotation was computed. [2020-10-20 01:45:13,266 INFO L270 CegarLoopResult]: At program point L322(lines 271 323) the Hoare annotation is: false [2020-10-20 01:45:13,267 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:13,267 INFO L274 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-10-20 01:45:13,267 INFO L274 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-10-20 01:45:13,267 INFO L274 CegarLoopResult]: For program point L852-2(line 852) no Hoare annotation was computed. [2020-10-20 01:45:13,267 INFO L274 CegarLoopResult]: For program point L225(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,268 INFO L274 CegarLoopResult]: For program point L225-2(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,268 INFO L274 CegarLoopResult]: For program point L225-3(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,268 INFO L274 CegarLoopResult]: For program point L225-5(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,268 INFO L274 CegarLoopResult]: For program point L225-6(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,268 INFO L274 CegarLoopResult]: For program point L225-8(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,268 INFO L274 CegarLoopResult]: For program point L225-9(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,268 INFO L274 CegarLoopResult]: For program point L225-11(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,269 INFO L274 CegarLoopResult]: For program point L225-12(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,269 INFO L274 CegarLoopResult]: For program point L225-14(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,270 INFO L274 CegarLoopResult]: For program point L225-15(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,270 INFO L274 CegarLoopResult]: For program point L225-17(lines 225 229) no Hoare annotation was computed. [2020-10-20 01:45:13,270 INFO L274 CegarLoopResult]: For program point L292(lines 292 298) no Hoare annotation was computed. [2020-10-20 01:45:13,271 INFO L270 CegarLoopResult]: At program point L292-1(lines 292 298) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:13,271 INFO L274 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-10-20 01:45:13,271 INFO L274 CegarLoopResult]: For program point L127-1(lines 127 135) no Hoare annotation was computed. [2020-10-20 01:45:13,271 INFO L274 CegarLoopResult]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2020-10-20 01:45:13,271 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:13,271 INFO L270 CegarLoopResult]: At program point L887(lines 882 890) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:13,271 INFO L274 CegarLoopResult]: For program point L922(lines 922 926) no Hoare annotation was computed. [2020-10-20 01:45:13,271 INFO L274 CegarLoopResult]: For program point L97(lines 97 114) no Hoare annotation was computed. [2020-10-20 01:45:13,272 INFO L274 CegarLoopResult]: For program point L97-1(lines 97 114) no Hoare annotation was computed. [2020-10-20 01:45:13,272 INFO L274 CegarLoopResult]: For program point L97-2(lines 97 114) no Hoare annotation was computed. [2020-10-20 01:45:13,272 INFO L274 CegarLoopResult]: For program point L97-3(lines 97 114) no Hoare annotation was computed. [2020-10-20 01:45:13,273 INFO L274 CegarLoopResult]: For program point L97-4(lines 97 114) no Hoare annotation was computed. [2020-10-20 01:45:13,273 INFO L274 CegarLoopResult]: For program point L97-5(lines 97 114) no Hoare annotation was computed. [2020-10-20 01:45:13,273 INFO L270 CegarLoopResult]: At program point L65(lines 61 83) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3))) [2020-10-20 01:45:13,273 INFO L270 CegarLoopResult]: At program point L65-1(lines 61 83) the Hoare annotation is: false [2020-10-20 01:45:13,273 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:13,273 INFO L270 CegarLoopResult]: At program point L65-2(lines 61 83) the Hoare annotation is: false [2020-10-20 01:45:13,274 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:13,274 INFO L274 CegarLoopResult]: For program point L726(lines 726 743) no Hoare annotation was computed. [2020-10-20 01:45:13,275 INFO L270 CegarLoopResult]: At program point L726-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-10-20 01:45:13,275 INFO L270 CegarLoopResult]: At program point L759-2(lines 759 773) the Hoare annotation is: false [2020-10-20 01:45:13,275 INFO L274 CegarLoopResult]: For program point L726-2(lines 726 743) no Hoare annotation was computed. [2020-10-20 01:45:13,275 INFO L270 CegarLoopResult]: At program point L726-3(lines 1 984) the Hoare annotation is: false [2020-10-20 01:45:13,275 INFO L274 CegarLoopResult]: For program point L726-4(lines 726 743) no Hoare annotation was computed. [2020-10-20 01:45:13,275 INFO L270 CegarLoopResult]: At program point L726-5(lines 1 984) the Hoare annotation is: false [2020-10-20 01:45:13,275 INFO L270 CegarLoopResult]: At program point L231(lines 216 234) the Hoare annotation is: false [2020-10-20 01:45:13,276 INFO L270 CegarLoopResult]: At program point L231-1(lines 216 234) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (<= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)))) [2020-10-20 01:45:13,276 INFO L270 CegarLoopResult]: At program point L231-2(lines 216 234) the Hoare annotation is: false [2020-10-20 01:45:13,276 INFO L270 CegarLoopResult]: At program point L231-3(lines 216 234) the Hoare annotation is: false [2020-10-20 01:45:13,276 INFO L270 CegarLoopResult]: At program point L231-4(lines 216 234) the Hoare annotation is: false [2020-10-20 01:45:13,276 INFO L270 CegarLoopResult]: At program point L231-5(lines 216 234) the Hoare annotation is: false [2020-10-20 01:45:13,276 INFO L274 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-10-20 01:45:13,277 INFO L270 CegarLoopResult]: At program point L167(lines 160 170) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:45:13,277 INFO L270 CegarLoopResult]: At program point L167-1(lines 160 170) the Hoare annotation is: false [2020-10-20 01:45:13,277 INFO L274 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-10-20 01:45:13,277 INFO L270 CegarLoopResult]: At program point L167-2(lines 160 170) the Hoare annotation is: false [2020-10-20 01:45:13,277 INFO L274 CegarLoopResult]: For program point L101-1(lines 101 109) no Hoare annotation was computed. [2020-10-20 01:45:13,278 INFO L274 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-10-20 01:45:13,278 INFO L274 CegarLoopResult]: For program point L101-3(lines 101 109) no Hoare annotation was computed. [2020-10-20 01:45:13,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:13 BoogieIcfgContainer [2020-10-20 01:45:13,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:13,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:13,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:13,349 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:13,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:05" (3/4) ... [2020-10-20 01:45:13,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:13,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:13,393 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:13,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:13,395 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:13,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:13,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:13,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:13,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,441 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,443 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,444 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,444 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,445 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,446 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2020-10-20 01:45:13,447 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-10-20 01:45:13,451 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-10-20 01:45:13,451 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:13,454 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-10-20 01:45:13,455 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) [2020-10-20 01:45:13,593 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:13,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:13,595 INFO L168 Benchmark]: Toolchain (without parser) took 9949.18 ms. Allocated memory was 34.6 MB in the beginning and 106.4 MB in the end (delta: 71.8 MB). Free memory was 14.6 MB in the beginning and 32.3 MB in the end (delta: -17.6 MB). Peak memory consumption was 54.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:13,596 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:13,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.51 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 13.7 MB in the beginning and 14.7 MB in the end (delta: -1.0 MB). Peak memory consumption was 13.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:13,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.09 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 14.7 MB in the beginning and 22.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:13,597 INFO L168 Benchmark]: Boogie Preprocessor took 59.83 ms. Allocated memory is still 42.5 MB. Free memory was 22.6 MB in the beginning and 19.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:13,598 INFO L168 Benchmark]: RCFGBuilder took 1171.36 ms. Allocated memory was 42.5 MB in the beginning and 57.1 MB in the end (delta: 14.7 MB). Free memory was 19.5 MB in the beginning and 22.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:13,598 INFO L168 Benchmark]: TraceAbstraction took 7785.14 ms. Allocated memory was 57.1 MB in the beginning and 106.4 MB in the end (delta: 49.3 MB). Free memory was 21.8 MB in the beginning and 45.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 56.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:13,599 INFO L168 Benchmark]: Witness Printer took 244.79 ms. Allocated memory is still 106.4 MB. Free memory was 45.7 MB in the beginning and 32.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:13,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 595.51 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 13.7 MB in the beginning and 14.7 MB in the end (delta: -1.0 MB). Peak memory consumption was 13.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 81.09 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 14.7 MB in the beginning and 22.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 59.83 ms. Allocated memory is still 42.5 MB. Free memory was 22.6 MB in the beginning and 19.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1171.36 ms. Allocated memory was 42.5 MB in the beginning and 57.1 MB in the end (delta: 14.7 MB). Free memory was 19.5 MB in the beginning and 22.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7785.14 ms. Allocated memory was 57.1 MB in the beginning and 106.4 MB in the end (delta: 49.3 MB). Free memory was 21.8 MB in the beginning and 45.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 56.4 MB. Max. memory is 14.3 GB. * Witness Printer took 244.79 ms. Allocated memory is still 106.4 MB. Free memory was 45.7 MB in the beginning and 32.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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: 700]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1168 SDtfs, 1572 SDslu, 1754 SDs, 0 SdLazy, 289 SolverSat, 95 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 947 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 206 NumberOfFragments, 901 HoareAnnotationTreeSize, 51 FomulaSimplifications, 145442 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 51 FomulaSimplificationsInter, 22843 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 32903 SizeOfPredicates, 4 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 38/48 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...