./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product29.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 ad863e5106000f30252d9c1afd738f380ee45fc2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:44:04,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:04,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:04,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:04,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:04,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:04,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:04,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:04,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:04,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:04,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:04,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:04,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:04,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:04,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:04,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:04,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:04,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:04,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:04,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:04,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:04,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:04,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:04,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:04,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:04,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:04,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:04,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:04,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:04,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:04,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:04,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:04,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:04,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:04,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:04,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:04,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:04,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:04,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:04,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:04,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:04,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:04,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:04,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:04,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:04,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:04,477 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:04,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:04,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:04,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:04,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:04,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:04,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:04,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:04,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:04,479 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:04,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:04,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:04,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:04,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:04,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:04,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:04,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:04,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:04,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:04,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:04,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:04,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:04,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:04,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:04,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:04,483 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 -> ad863e5106000f30252d9c1afd738f380ee45fc2 [2020-10-20 01:44:04,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:04,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:04,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:04,695 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:04,695 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:04,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2020-10-20 01:44:04,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0cc53d7/038ca6d2355a42bca515aab0ba467c87/FLAG742e62148 [2020-10-20 01:44:05,315 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:05,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2020-10-20 01:44:05,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0cc53d7/038ca6d2355a42bca515aab0ba467c87/FLAG742e62148 [2020-10-20 01:44:05,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0cc53d7/038ca6d2355a42bca515aab0ba467c87 [2020-10-20 01:44:05,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:05,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:05,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:05,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:05,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:05,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2607da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:05, skipping insertion in model container [2020-10-20 01:44:05,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:05" (1/1) ... [2020-10-20 01:44:05,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:05,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:06,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:06,148 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:06,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:06,263 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:06,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06 WrapperNode [2020-10-20 01:44:06,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:06,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:06,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:06,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:06,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:06,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:06,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:06,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:06,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... [2020-10-20 01:44:06,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:06,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:06,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:06,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:06,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:07,407 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:07,408 INFO L298 CfgBuilder]: Removed 162 assume(true) statements. [2020-10-20 01:44:07,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:07 BoogieIcfgContainer [2020-10-20 01:44:07,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:07,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:07,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:07,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:07,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:05" (1/3) ... [2020-10-20 01:44:07,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa78adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:07, skipping insertion in model container [2020-10-20 01:44:07,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:06" (2/3) ... [2020-10-20 01:44:07,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa78adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:07, skipping insertion in model container [2020-10-20 01:44:07,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:07" (3/3) ... [2020-10-20 01:44:07,418 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2020-10-20 01:44:07,430 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:07,437 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:07,450 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:07,475 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:07,475 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:07,475 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:07,475 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:07,476 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:07,476 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:07,476 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:07,476 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-20 01:44:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:07,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:07,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:07,509 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:07,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:07,515 INFO L82 PathProgramCache]: Analyzing trace with hash -965693148, now seen corresponding path program 1 times [2020-10-20 01:44:07,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:07,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322834334] [2020-10-20 01:44:07,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:07,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322834334] [2020-10-20 01:44:07,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:07,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:07,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079834336] [2020-10-20 01:44:07,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:07,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:07,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:07,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:07,855 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-10-20 01:44:07,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:07,913 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-20 01:44:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:07,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:07,927 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:44:07,927 INFO L226 Difference]: Without dead ends: 101 [2020-10-20 01:44:07,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:07,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-20 01:44:07,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-20 01:44:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-20 01:44:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-10-20 01:44:07,977 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-10-20 01:44:07,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:07,977 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-10-20 01:44:07,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:07,978 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-10-20 01:44:07,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:07,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:07,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:07,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:07,980 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:07,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:07,980 INFO L82 PathProgramCache]: Analyzing trace with hash -2012450045, now seen corresponding path program 1 times [2020-10-20 01:44:07,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:07,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601069711] [2020-10-20 01:44:07,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:08,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601069711] [2020-10-20 01:44:08,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:08,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:08,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498030448] [2020-10-20 01:44:08,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:08,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:08,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:08,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:08,137 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-10-20 01:44:08,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:08,149 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-10-20 01:44:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:08,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:08,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:08,151 INFO L225 Difference]: With dead ends: 101 [2020-10-20 01:44:08,152 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:44:08,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:08,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:44:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:44:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:44:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-10-20 01:44:08,160 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-10-20 01:44:08,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:08,160 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-10-20 01:44:08,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-10-20 01:44:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:08,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:08,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:08,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:08,165 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:08,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2020-10-20 01:44:08,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:08,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340292483] [2020-10-20 01:44:08,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:08,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340292483] [2020-10-20 01:44:08,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:08,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:08,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858856804] [2020-10-20 01:44:08,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:08,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:08,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:08,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:08,296 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 6 states. [2020-10-20 01:44:08,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:08,572 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-10-20 01:44:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:08,573 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-20 01:44:08,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:08,574 INFO L225 Difference]: With dead ends: 80 [2020-10-20 01:44:08,574 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:44:08,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:08,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:44:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:44:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:44:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-10-20 01:44:08,581 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-10-20 01:44:08,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:08,581 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-10-20 01:44:08,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-10-20 01:44:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:08,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:08,583 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] [2020-10-20 01:44:08,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:08,584 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:08,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:08,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2020-10-20 01:44:08,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:08,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537498100] [2020-10-20 01:44:08,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:08,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537498100] [2020-10-20 01:44:08,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:08,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:44:08,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199173516] [2020-10-20 01:44:08,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:44:08,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:08,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:44:08,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:08,728 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 8 states. [2020-10-20 01:44:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:09,259 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2020-10-20 01:44:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:44:09,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-20 01:44:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:09,265 INFO L225 Difference]: With dead ends: 286 [2020-10-20 01:44:09,266 INFO L226 Difference]: Without dead ends: 249 [2020-10-20 01:44:09,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-20 01:44:09,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-20 01:44:09,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2020-10-20 01:44:09,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-20 01:44:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2020-10-20 01:44:09,306 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2020-10-20 01:44:09,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:09,307 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2020-10-20 01:44:09,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:09,307 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2020-10-20 01:44:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:09,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:09,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:09,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:09,311 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:09,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:09,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1240528407, now seen corresponding path program 1 times [2020-10-20 01:44:09,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:09,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146158276] [2020-10-20 01:44:09,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:09,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:09,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146158276] [2020-10-20 01:44:09,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:09,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:09,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833554467] [2020-10-20 01:44:09,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:09,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:09,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:09,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:09,431 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand 3 states. [2020-10-20 01:44:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:09,457 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2020-10-20 01:44:09,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:09,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:44:09,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:09,460 INFO L225 Difference]: With dead ends: 165 [2020-10-20 01:44:09,460 INFO L226 Difference]: Without dead ends: 63 [2020-10-20 01:44:09,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:09,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-20 01:44:09,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-20 01:44:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-20 01:44:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2020-10-20 01:44:09,476 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2020-10-20 01:44:09,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:09,477 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2020-10-20 01:44:09,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-10-20 01:44:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-20 01:44:09,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:09,478 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:09,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:09,479 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:09,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:09,479 INFO L82 PathProgramCache]: Analyzing trace with hash -179143526, now seen corresponding path program 1 times [2020-10-20 01:44:09,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:09,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877192017] [2020-10-20 01:44:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:09,603 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:09,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877192017] [2020-10-20 01:44:09,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287959198] [2020-10-20 01:44:09,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:09,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:44:09,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:09,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:09,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-20 01:44:09,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100285333] [2020-10-20 01:44:09,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:09,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:09,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:09,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:09,839 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 4 states. [2020-10-20 01:44:09,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:09,930 INFO L93 Difference]: Finished difference Result 81 states and 104 transitions. [2020-10-20 01:44:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:09,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-20 01:44:09,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:09,932 INFO L225 Difference]: With dead ends: 81 [2020-10-20 01:44:09,932 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:09,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:09,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:09,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:09,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:09,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-10-20 01:44:09,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:09,936 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:09,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:09,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:09,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:10,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-20 01:44:10,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:10,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:10,634 INFO L270 CegarLoopResult]: At program point L630(lines 629 648) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:10,634 INFO L274 CegarLoopResult]: For program point L630-1(lines 630 636) no Hoare annotation was computed. [2020-10-20 01:44:10,634 INFO L270 CegarLoopResult]: At program point L630-2(lines 629 648) the Hoare annotation is: false [2020-10-20 01:44:10,634 INFO L270 CegarLoopResult]: At program point L630-3(lines 629 648) the Hoare annotation is: false [2020-10-20 01:44:10,634 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:10,635 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:10,635 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:10,635 INFO L270 CegarLoopResult]: At program point L829-2(lines 829 843) the Hoare annotation is: false [2020-10-20 01:44:10,635 INFO L274 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-10-20 01:44:10,635 INFO L274 CegarLoopResult]: For program point L666(lines 666 674) no Hoare annotation was computed. [2020-10-20 01:44:10,635 INFO L274 CegarLoopResult]: For program point L666-1(lines 666 674) no Hoare annotation was computed. [2020-10-20 01:44:10,635 INFO L274 CegarLoopResult]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2020-10-20 01:44:10,635 INFO L274 CegarLoopResult]: For program point L666-3(lines 666 674) no Hoare annotation was computed. [2020-10-20 01:44:10,636 INFO L274 CegarLoopResult]: For program point L666-4(lines 666 674) no Hoare annotation was computed. [2020-10-20 01:44:10,636 INFO L274 CegarLoopResult]: For program point L666-5(lines 666 674) no Hoare annotation was computed. [2020-10-20 01:44:10,636 INFO L274 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-10-20 01:44:10,636 INFO L270 CegarLoopResult]: At program point L535-1(lines 535 541) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:10,636 INFO L274 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-10-20 01:44:10,636 INFO L274 CegarLoopResult]: For program point L833-1(lines 630 636) no Hoare annotation was computed. [2020-10-20 01:44:10,636 INFO L274 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-10-20 01:44:10,637 INFO L277 CegarLoopResult]: At program point L900-1(lines 900 907) the Hoare annotation is: true [2020-10-20 01:44:10,637 INFO L270 CegarLoopResult]: At program point L637(lines 637 643) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:10,637 INFO L270 CegarLoopResult]: At program point L637-1(lines 637 643) the Hoare annotation is: false [2020-10-20 01:44:10,637 INFO L270 CegarLoopResult]: At program point L571(lines 524 572) the Hoare annotation is: false [2020-10-20 01:44:10,637 INFO L270 CegarLoopResult]: At program point L637-2(lines 637 643) the Hoare annotation is: false [2020-10-20 01:44:10,637 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:10,638 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-20 01:44:10,638 INFO L274 CegarLoopResult]: For program point L142-1(line 142) no Hoare annotation was computed. [2020-10-20 01:44:10,638 INFO L274 CegarLoopResult]: For program point L142-2(line 142) no Hoare annotation was computed. [2020-10-20 01:44:10,638 INFO L270 CegarLoopResult]: At program point L605(lines 1 938) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:10,638 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-20 01:44:10,638 INFO L274 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,638 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,638 INFO L274 CegarLoopResult]: For program point L807-3(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,639 INFO L274 CegarLoopResult]: For program point L807-5(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,639 INFO L274 CegarLoopResult]: For program point L807-6(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,639 INFO L274 CegarLoopResult]: For program point L807-8(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,639 INFO L274 CegarLoopResult]: For program point L807-9(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,639 INFO L274 CegarLoopResult]: For program point L807-11(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,639 INFO L274 CegarLoopResult]: For program point L807-12(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,639 INFO L274 CegarLoopResult]: For program point L807-14(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,639 INFO L274 CegarLoopResult]: For program point L807-15(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,640 INFO L274 CegarLoopResult]: For program point L807-17(lines 807 811) no Hoare annotation was computed. [2020-10-20 01:44:10,640 INFO L274 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-20 01:44:10,640 INFO L270 CegarLoopResult]: At program point L545-1(lines 545 551) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:10,640 INFO L277 CegarLoopResult]: At program point L909(lines 890 912) the Hoare annotation is: true [2020-10-20 01:44:10,640 INFO L270 CegarLoopResult]: At program point L877(lines 873 879) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:10,640 INFO L270 CegarLoopResult]: At program point L613(lines 608 616) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:10,640 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:10,641 INFO L270 CegarLoopResult]: At program point L813(lines 798 816) the Hoare annotation is: false [2020-10-20 01:44:10,641 INFO L270 CegarLoopResult]: At program point L813-1(lines 798 816) the Hoare annotation is: false [2020-10-20 01:44:10,641 INFO L270 CegarLoopResult]: At program point L813-2(lines 798 816) the Hoare annotation is: false [2020-10-20 01:44:10,641 INFO L270 CegarLoopResult]: At program point L813-3(lines 798 816) the Hoare annotation is: false [2020-10-20 01:44:10,641 INFO L270 CegarLoopResult]: At program point L813-4(lines 798 816) the Hoare annotation is: false [2020-10-20 01:44:10,641 INFO L270 CegarLoopResult]: At program point L813-5(lines 798 816) the Hoare annotation is: false [2020-10-20 01:44:10,641 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:44:10,642 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:44:10,642 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:44:10,642 INFO L270 CegarLoopResult]: At program point L749(lines 742 752) the Hoare annotation is: false [2020-10-20 01:44:10,642 INFO L270 CegarLoopResult]: At program point L749-1(lines 742 752) the Hoare annotation is: false [2020-10-20 01:44:10,642 INFO L270 CegarLoopResult]: At program point L749-2(lines 742 752) the Hoare annotation is: false [2020-10-20 01:44:10,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:10,642 INFO L270 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:10,642 INFO L270 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-10-20 01:44:10,643 INFO L270 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-10-20 01:44:10,643 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: false [2020-10-20 01:44:10,643 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-10-20 01:44:10,643 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-10-20 01:44:10,643 INFO L274 CegarLoopResult]: For program point L555(lines 555 566) no Hoare annotation was computed. [2020-10-20 01:44:10,643 INFO L274 CegarLoopResult]: For program point L688(lines 688 705) no Hoare annotation was computed. [2020-10-20 01:44:10,643 INFO L274 CegarLoopResult]: For program point L688-1(lines 688 705) no Hoare annotation was computed. [2020-10-20 01:44:10,644 INFO L274 CegarLoopResult]: For program point L688-2(lines 688 705) no Hoare annotation was computed. [2020-10-20 01:44:10,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:10,644 INFO L274 CegarLoopResult]: For program point L922(lines 922 935) no Hoare annotation was computed. [2020-10-20 01:44:10,644 INFO L270 CegarLoopResult]: At program point L922-1(lines 1 938) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 0)) .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-10-20 01:44:10,644 INFO L274 CegarLoopResult]: For program point L922-2(lines 922 935) no Hoare annotation was computed. [2020-10-20 01:44:10,644 INFO L270 CegarLoopResult]: At program point L922-3(lines 1 938) the Hoare annotation is: false [2020-10-20 01:44:10,644 INFO L274 CegarLoopResult]: For program point L922-4(lines 922 935) no Hoare annotation was computed. [2020-10-20 01:44:10,645 INFO L270 CegarLoopResult]: At program point L922-5(lines 1 938) the Hoare annotation is: false [2020-10-20 01:44:10,645 INFO L274 CegarLoopResult]: For program point L526(lines 525 570) no Hoare annotation was computed. [2020-10-20 01:44:10,645 INFO L270 CegarLoopResult]: At program point L758(lines 753 761) the Hoare annotation is: false [2020-10-20 01:44:10,645 INFO L270 CegarLoopResult]: At program point L758-1(lines 753 761) the Hoare annotation is: false [2020-10-20 01:44:10,645 INFO L274 CegarLoopResult]: For program point L692(lines 692 700) no Hoare annotation was computed. [2020-10-20 01:44:10,645 INFO L270 CegarLoopResult]: At program point L758-2(lines 753 761) the Hoare annotation is: false [2020-10-20 01:44:10,645 INFO L274 CegarLoopResult]: For program point L692-1(lines 692 700) no Hoare annotation was computed. [2020-10-20 01:44:10,646 INFO L274 CegarLoopResult]: For program point L692-2(lines 692 700) no Hoare annotation was computed. [2020-10-20 01:44:10,646 INFO L274 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-10-20 01:44:10,646 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:10,646 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:10,646 INFO L274 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-10-20 01:44:10,646 INFO L274 CegarLoopResult]: For program point L561-2(lines 630 636) no Hoare annotation was computed. [2020-10-20 01:44:10,646 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:10,646 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:10,647 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:44:10,647 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:10,647 INFO L270 CegarLoopResult]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:10,647 INFO L270 CegarLoopResult]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:10,647 INFO L270 CegarLoopResult]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-10-20 01:44:10,647 INFO L274 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2020-10-20 01:44:10,647 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 932) no Hoare annotation was computed. [2020-10-20 01:44:10,647 INFO L274 CegarLoopResult]: For program point L926-4(lines 926 932) no Hoare annotation was computed. [2020-10-20 01:44:10,648 INFO L274 CegarLoopResult]: For program point L662(lines 662 679) no Hoare annotation was computed. [2020-10-20 01:44:10,648 INFO L274 CegarLoopResult]: For program point L662-1(lines 662 679) no Hoare annotation was computed. [2020-10-20 01:44:10,648 INFO L274 CegarLoopResult]: For program point L662-2(lines 662 679) no Hoare annotation was computed. [2020-10-20 01:44:10,648 INFO L274 CegarLoopResult]: For program point L662-3(lines 662 679) no Hoare annotation was computed. [2020-10-20 01:44:10,648 INFO L274 CegarLoopResult]: For program point L662-4(lines 662 679) no Hoare annotation was computed. [2020-10-20 01:44:10,648 INFO L274 CegarLoopResult]: For program point L662-5(lines 662 679) no Hoare annotation was computed. [2020-10-20 01:44:10,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:10 BoogieIcfgContainer [2020-10-20 01:44:10,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:10,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:10,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:10,672 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:10,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:07" (3/4) ... [2020-10-20 01:44:10,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:10,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:10,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:10,698 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:10,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:10,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:10,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:10,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:10,733 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2020-10-20 01:44:10,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2020-10-20 01:44:10,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == systemActive && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && !(tmp == 0)) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:10,734 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:10,735 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:10,735 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:10,736 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:10,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:10,823 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:10,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:10,829 INFO L168 Benchmark]: Toolchain (without parser) took 5200.46 ms. Allocated memory was 34.6 MB in the beginning and 72.9 MB in the end (delta: 38.3 MB). Free memory was 14.7 MB in the beginning and 48.8 MB in the end (delta: -34.1 MB). Peak memory consumption was 41.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,830 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.51 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 14.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.86 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 14.9 MB in the beginning and 23.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,834 INFO L168 Benchmark]: Boogie Preprocessor took 69.36 ms. Allocated memory is still 42.5 MB. Free memory was 23.0 MB in the beginning and 20.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,834 INFO L168 Benchmark]: RCFGBuilder took 991.27 ms. Allocated memory was 42.5 MB in the beginning and 50.3 MB in the end (delta: 7.9 MB). Free memory was 20.2 MB in the beginning and 19.5 MB in the end (delta: 628.1 kB). Peak memory consumption was 19.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,834 INFO L168 Benchmark]: TraceAbstraction took 3259.76 ms. Allocated memory was 50.3 MB in the beginning and 72.9 MB in the end (delta: 22.5 MB). Free memory was 19.1 MB in the beginning and 24.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,835 INFO L168 Benchmark]: Witness Printer took 152.36 ms. Allocated memory is still 72.9 MB. Free memory was 24.3 MB in the beginning and 48.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:10,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 631.51 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 14.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 84.86 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 14.9 MB in the beginning and 23.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 69.36 ms. Allocated memory is still 42.5 MB. Free memory was 23.0 MB in the beginning and 20.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 991.27 ms. Allocated memory was 42.5 MB in the beginning and 50.3 MB in the end (delta: 7.9 MB). Free memory was 20.2 MB in the beginning and 19.5 MB in the end (delta: 628.1 kB). Peak memory consumption was 19.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3259.76 ms. Allocated memory was 50.3 MB in the beginning and 72.9 MB in the end (delta: 22.5 MB). Free memory was 19.1 MB in the beginning and 24.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 14.3 GB. * Witness Printer took 152.36 ms. Allocated memory is still 72.9 MB. Free memory was 24.3 MB in the beginning and 48.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 13.1 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: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((!(\result == 0) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((tmp == systemActive && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((((!(\result == 0) && !(tmp == 0)) && tmp == systemActive) && \result == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((((tmp == systemActive && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 776 SDslu, 532 SDs, 0 SdLazy, 116 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 56 NumberOfFragments, 218 HoareAnnotationTreeSize, 42 FomulaSimplifications, 352 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 200 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 12272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 27/32 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...