./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product38.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_product38.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 0864dde8f48fe05a4eca6577f28c648eed4bb154 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:45:01,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:01,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:01,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:01,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:01,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:01,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:01,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:01,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:01,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:01,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:01,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:01,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:01,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:01,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:01,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:01,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:01,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:01,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:01,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:01,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:01,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:01,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:01,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:01,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:01,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:01,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:01,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:01,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:01,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:01,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:01,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:01,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:01,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:01,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:01,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:01,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:01,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:01,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:01,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:01,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:01,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:01,644 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:01,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:01,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:01,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:01,645 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:01,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:01,646 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:01,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:01,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:01,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:01,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:01,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:01,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:01,647 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:01,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:01,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:01,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:01,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:01,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:01,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:01,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:01,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:01,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:01,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:01,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:01,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:01,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:01,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:01,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:01,650 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 -> 0864dde8f48fe05a4eca6577f28c648eed4bb154 [2020-10-20 01:45:01,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:01,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:01,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:01,862 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:01,863 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:01,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2020-10-20 01:45:01,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4da1de5/ebc0381d896043cca27d48bb2d522a2b/FLAG699b1b4b7 [2020-10-20 01:45:02,418 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:02,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2020-10-20 01:45:02,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4da1de5/ebc0381d896043cca27d48bb2d522a2b/FLAG699b1b4b7 [2020-10-20 01:45:02,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4da1de5/ebc0381d896043cca27d48bb2d522a2b [2020-10-20 01:45:02,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:02,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:02,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:02,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:02,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:02,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3208ed8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:02, skipping insertion in model container [2020-10-20 01:45:02,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:02" (1/1) ... [2020-10-20 01:45:02,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:02,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:03,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:03,123 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:03,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:03,309 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:03,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03 WrapperNode [2020-10-20 01:45:03,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:03,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:03,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:03,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:03,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:03,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:03,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:03,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:03,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (1/1) ... [2020-10-20 01:45:03,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:03,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:03,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:03,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:03,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (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 01:45:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:04,553 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:04,553 INFO L298 CfgBuilder]: Removed 178 assume(true) statements. [2020-10-20 01:45:04,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:04 BoogieIcfgContainer [2020-10-20 01:45:04,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:04,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:04,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:04,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:04,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:02" (1/3) ... [2020-10-20 01:45:04,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53878293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:04, skipping insertion in model container [2020-10-20 01:45:04,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:03" (2/3) ... [2020-10-20 01:45:04,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53878293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:04, skipping insertion in model container [2020-10-20 01:45:04,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:04" (3/3) ... [2020-10-20 01:45:04,568 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-10-20 01:45:04,579 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:04,588 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:04,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:04,627 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:04,627 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:04,628 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:04,628 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:04,629 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:04,629 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:04,629 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:04,629 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2020-10-20 01:45:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:04,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:04,657 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 01:45:04,657 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:04,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1619848416, now seen corresponding path program 1 times [2020-10-20 01:45:04,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:04,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798734633] [2020-10-20 01:45:04,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:04,965 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 01:45:04,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798734633] [2020-10-20 01:45:04,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:04,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:04,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970067886] [2020-10-20 01:45:04,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:04,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:04,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:04,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:04,990 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2020-10-20 01:45:05,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,030 INFO L93 Difference]: Finished difference Result 236 states and 355 transitions. [2020-10-20 01:45:05,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:05,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:05,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,043 INFO L225 Difference]: With dead ends: 236 [2020-10-20 01:45:05,043 INFO L226 Difference]: Without dead ends: 116 [2020-10-20 01:45:05,047 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 01:45:05,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-20 01:45:05,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-20 01:45:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-20 01:45:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2020-10-20 01:45:05,101 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2020-10-20 01:45:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,102 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2020-10-20 01:45:05,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2020-10-20 01:45:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:05,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,106 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 01:45:05,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:05,106 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,107 INFO L82 PathProgramCache]: Analyzing trace with hash 633153277, now seen corresponding path program 1 times [2020-10-20 01:45:05,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483074786] [2020-10-20 01:45:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,263 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 01:45:05,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483074786] [2020-10-20 01:45:05,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:05,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559246009] [2020-10-20 01:45:05,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:05,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:05,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,268 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2020-10-20 01:45:05,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,286 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2020-10-20 01:45:05,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:05,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:05,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,289 INFO L225 Difference]: With dead ends: 116 [2020-10-20 01:45:05,290 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 01:45:05,291 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 01:45:05,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 01:45:05,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 01:45:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 01:45:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-10-20 01:45:05,302 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2020-10-20 01:45:05,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,302 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-10-20 01:45:05,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-10-20 01:45:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:05,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,304 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 01:45:05,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:05,306 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,307 INFO L82 PathProgramCache]: Analyzing trace with hash 872222713, now seen corresponding path program 1 times [2020-10-20 01:45:05,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990080949] [2020-10-20 01:45:05,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,397 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 01:45:05,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990080949] [2020-10-20 01:45:05,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:05,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083658979] [2020-10-20 01:45:05,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:05,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:05,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,400 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-10-20 01:45:05,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,425 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-10-20 01:45:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:05,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:05,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,426 INFO L225 Difference]: With dead ends: 91 [2020-10-20 01:45:05,427 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 01:45:05,427 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 01:45:05,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 01:45:05,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 01:45:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 01:45:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2020-10-20 01:45:05,434 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2020-10-20 01:45:05,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,435 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2020-10-20 01:45:05,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2020-10-20 01:45:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:45:05,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,436 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 01:45:05,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:05,436 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1991893424, now seen corresponding path program 1 times [2020-10-20 01:45:05,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145231850] [2020-10-20 01:45:05,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,580 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 01:45:05,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145231850] [2020-10-20 01:45:05,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:05,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635037798] [2020-10-20 01:45:05,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:05,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:05,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:05,585 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2020-10-20 01:45:05,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,627 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2020-10-20 01:45:05,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:05,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-20 01:45:05,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,629 INFO L225 Difference]: With dead ends: 115 [2020-10-20 01:45:05,629 INFO L226 Difference]: Without dead ends: 73 [2020-10-20 01:45:05,630 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 01:45:05,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-20 01:45:05,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2020-10-20 01:45:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:45:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-10-20 01:45:05,639 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2020-10-20 01:45:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,639 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-10-20 01:45:05,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-10-20 01:45:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:05,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,641 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 01:45:05,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:05,641 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1071015423, now seen corresponding path program 1 times [2020-10-20 01:45:05,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623935206] [2020-10-20 01:45:05,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:05,738 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 01:45:05,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623935206] [2020-10-20 01:45:05,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:05,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:05,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812039780] [2020-10-20 01:45:05,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:05,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:05,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:05,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:05,741 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2020-10-20 01:45:05,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:05,822 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2020-10-20 01:45:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:05,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:05,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:05,824 INFO L225 Difference]: With dead ends: 190 [2020-10-20 01:45:05,824 INFO L226 Difference]: Without dead ends: 126 [2020-10-20 01:45:05,825 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 01:45:05,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-20 01:45:05,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2020-10-20 01:45:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-20 01:45:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2020-10-20 01:45:05,836 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2020-10-20 01:45:05,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:05,836 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2020-10-20 01:45:05,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2020-10-20 01:45:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:05,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:05,838 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 01:45:05,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:05,838 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:05,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:05,839 INFO L82 PathProgramCache]: Analyzing trace with hash 2004479132, now seen corresponding path program 1 times [2020-10-20 01:45:05,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:05,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885890275] [2020-10-20 01:45:05,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,075 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 01:45:06,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885890275] [2020-10-20 01:45:06,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:06,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316610339] [2020-10-20 01:45:06,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:06,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:06,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:06,078 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2020-10-20 01:45:06,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,207 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2020-10-20 01:45:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:06,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:06,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,210 INFO L225 Difference]: With dead ends: 260 [2020-10-20 01:45:06,211 INFO L226 Difference]: Without dead ends: 190 [2020-10-20 01:45:06,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:06,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-20 01:45:06,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-10-20 01:45:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-20 01:45:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2020-10-20 01:45:06,225 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2020-10-20 01:45:06,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,225 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2020-10-20 01:45:06,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2020-10-20 01:45:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:06,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,227 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 01:45:06,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:06,228 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1772080001, now seen corresponding path program 1 times [2020-10-20 01:45:06,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609489430] [2020-10-20 01:45:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,315 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 01:45:06,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609489430] [2020-10-20 01:45:06,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:06,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197717206] [2020-10-20 01:45:06,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:45:06,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:45:06,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:45:06,318 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 4 states. [2020-10-20 01:45:06,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,368 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2020-10-20 01:45:06,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:45:06,369 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-20 01:45:06,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,371 INFO L225 Difference]: With dead ends: 177 [2020-10-20 01:45:06,372 INFO L226 Difference]: Without dead ends: 108 [2020-10-20 01:45:06,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:06,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-20 01:45:06,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2020-10-20 01:45:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-20 01:45:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2020-10-20 01:45:06,388 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2020-10-20 01:45:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,388 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2020-10-20 01:45:06,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:45:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2020-10-20 01:45:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:06,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,389 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 01:45:06,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:06,390 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1185273987, now seen corresponding path program 1 times [2020-10-20 01:45:06,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557406340] [2020-10-20 01:45:06,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,447 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 01:45:06,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557406340] [2020-10-20 01:45:06,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:06,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678167545] [2020-10-20 01:45:06,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:06,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:06,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:06,449 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2020-10-20 01:45:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,494 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2020-10-20 01:45:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:06,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:45:06,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,496 INFO L225 Difference]: With dead ends: 181 [2020-10-20 01:45:06,496 INFO L226 Difference]: Without dead ends: 108 [2020-10-20 01:45:06,497 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 01:45:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-10-20 01:45:06,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-10-20 01:45:06,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-20 01:45:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2020-10-20 01:45:06,508 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2020-10-20 01:45:06,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:06,508 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2020-10-20 01:45:06,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:06,508 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2020-10-20 01:45:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:45:06,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:06,510 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 01:45:06,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:06,510 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:06,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:06,511 INFO L82 PathProgramCache]: Analyzing trace with hash -210672189, now seen corresponding path program 1 times [2020-10-20 01:45:06,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:06,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043609342] [2020-10-20 01:45:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:06,625 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 01:45:06,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043609342] [2020-10-20 01:45:06,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:06,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:06,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127449102] [2020-10-20 01:45:06,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:06,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:06,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:06,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:06,628 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 7 states. [2020-10-20 01:45:06,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:06,971 INFO L93 Difference]: Finished difference Result 512 states and 685 transitions. [2020-10-20 01:45:06,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:06,972 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-10-20 01:45:06,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:06,975 INFO L225 Difference]: With dead ends: 512 [2020-10-20 01:45:06,975 INFO L226 Difference]: Without dead ends: 439 [2020-10-20 01:45:06,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:06,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-10-20 01:45:07,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 186. [2020-10-20 01:45:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-20 01:45:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2020-10-20 01:45:07,003 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 35 [2020-10-20 01:45:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,003 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2020-10-20 01:45:07,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2020-10-20 01:45:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:45:07,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,005 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 01:45:07,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:07,006 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,007 INFO L82 PathProgramCache]: Analyzing trace with hash 743362975, now seen corresponding path program 1 times [2020-10-20 01:45:07,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142889891] [2020-10-20 01:45:07,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:07,083 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 01:45:07,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142889891] [2020-10-20 01:45:07,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392532876] [2020-10-20 01:45:07,085 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 01:45:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:07,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:07,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:07,338 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 01:45:07,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:07,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-20 01:45:07,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091635461] [2020-10-20 01:45:07,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:45:07,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:07,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:45:07,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:07,341 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand 8 states. [2020-10-20 01:45:07,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:07,651 INFO L93 Difference]: Finished difference Result 426 states and 570 transitions. [2020-10-20 01:45:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:45:07,652 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-20 01:45:07,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:07,653 INFO L225 Difference]: With dead ends: 426 [2020-10-20 01:45:07,653 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:07,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:45:07,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:07,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:07,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-20 01:45:07,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:07,656 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:07,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:45:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:07,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:07,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:07,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:08,682 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2020-10-20 01:45:08,861 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2020-10-20 01:45:09,127 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2020-10-20 01:45:09,270 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 22 [2020-10-20 01:45:09,415 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 20 [2020-10-20 01:45:09,589 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2020-10-20 01:45:09,720 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-10-20 01:45:09,932 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 22 [2020-10-20 01:45:10,007 INFO L270 CegarLoopResult]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:10,007 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:10,008 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:10,008 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:10,008 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:10,008 INFO L270 CegarLoopResult]: At program point L796(lines 791 799) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse4) (and .cse1 .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-10-20 01:45:10,008 INFO L270 CegarLoopResult]: At program point L796-1(lines 791 799) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-10-20 01:45:10,008 INFO L270 CegarLoopResult]: At program point L796-2(lines 791 799) the Hoare annotation is: false [2020-10-20 01:45:10,009 INFO L270 CegarLoopResult]: At program point L796-3(lines 791 799) the Hoare annotation is: false [2020-10-20 01:45:10,009 INFO L270 CegarLoopResult]: At program point L796-4(lines 791 799) the Hoare annotation is: false [2020-10-20 01:45:10,009 INFO L270 CegarLoopResult]: At program point L796-5(lines 791 799) the Hoare annotation is: false [2020-10-20 01:45:10,009 INFO L274 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2020-10-20 01:45:10,009 INFO L270 CegarLoopResult]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:45:10,009 INFO L270 CegarLoopResult]: At program point L666(lines 657 670) the Hoare annotation is: false [2020-10-20 01:45:10,009 INFO L270 CegarLoopResult]: At program point L666-1(lines 657 670) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-10-20 01:45:10,009 INFO L270 CegarLoopResult]: At program point L666-2(lines 657 670) the Hoare annotation is: false [2020-10-20 01:45:10,010 INFO L270 CegarLoopResult]: At program point L666-3(lines 657 670) the Hoare annotation is: false [2020-10-20 01:45:10,010 INFO L270 CegarLoopResult]: At program point L666-4(lines 657 670) the Hoare annotation is: false [2020-10-20 01:45:10,010 INFO L270 CegarLoopResult]: At program point L666-5(lines 657 670) the Hoare annotation is: false [2020-10-20 01:45:10,011 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:10,011 INFO L270 CegarLoopResult]: At program point L175(lines 685 691) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2))) [2020-10-20 01:45:10,011 INFO L270 CegarLoopResult]: At program point L175-1(lines 685 691) the Hoare annotation is: false [2020-10-20 01:45:10,011 INFO L270 CegarLoopResult]: At program point L175-2(lines 685 691) the Hoare annotation is: false [2020-10-20 01:45:10,011 INFO L274 CegarLoopResult]: For program point L143(lines 143 150) no Hoare annotation was computed. [2020-10-20 01:45:10,012 INFO L277 CegarLoopResult]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2020-10-20 01:45:10,012 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-20 01:45:10,012 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-20 01:45:10,012 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-20 01:45:10,012 INFO L274 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-10-20 01:45:10,013 INFO L274 CegarLoopResult]: For program point L939(lines 939 952) no Hoare annotation was computed. [2020-10-20 01:45:10,013 INFO L270 CegarLoopResult]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:10,013 INFO L274 CegarLoopResult]: For program point L743(lines 743 760) no Hoare annotation was computed. [2020-10-20 01:45:10,013 INFO L274 CegarLoopResult]: For program point L743-1(lines 743 760) no Hoare annotation was computed. [2020-10-20 01:45:10,013 INFO L274 CegarLoopResult]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2020-10-20 01:45:10,013 INFO L274 CegarLoopResult]: For program point L910(lines 909 956) no Hoare annotation was computed. [2020-10-20 01:45:10,014 INFO L274 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2020-10-20 01:45:10,014 INFO L274 CegarLoopResult]: For program point L845(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,014 INFO L274 CegarLoopResult]: For program point L845-2(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,014 INFO L274 CegarLoopResult]: For program point L845-3(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,014 INFO L274 CegarLoopResult]: For program point L845-5(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,015 INFO L274 CegarLoopResult]: For program point L845-6(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,015 INFO L274 CegarLoopResult]: For program point L845-8(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,015 INFO L274 CegarLoopResult]: For program point L845-9(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,015 INFO L274 CegarLoopResult]: For program point L845-11(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,015 INFO L274 CegarLoopResult]: For program point L845-12(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,015 INFO L274 CegarLoopResult]: For program point L845-14(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,016 INFO L274 CegarLoopResult]: For program point L845-15(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,016 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:10,016 INFO L274 CegarLoopResult]: For program point L845-17(lines 845 849) no Hoare annotation was computed. [2020-10-20 01:45:10,016 INFO L277 CegarLoopResult]: At program point L152(lines 133 155) the Hoare annotation is: true [2020-10-20 01:45:10,016 INFO L274 CegarLoopResult]: For program point L747(lines 747 755) no Hoare annotation was computed. [2020-10-20 01:45:10,016 INFO L274 CegarLoopResult]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2020-10-20 01:45:10,017 INFO L274 CegarLoopResult]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2020-10-20 01:45:10,017 INFO L274 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2020-10-20 01:45:10,017 INFO L270 CegarLoopResult]: At program point L186-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1) .cse3))) [2020-10-20 01:45:10,017 INFO L274 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2020-10-20 01:45:10,018 INFO L270 CegarLoopResult]: At program point L186-3(lines 1 964) the Hoare annotation is: false [2020-10-20 01:45:10,018 INFO L274 CegarLoopResult]: For program point L186-4(lines 186 203) no Hoare annotation was computed. [2020-10-20 01:45:10,018 INFO L270 CegarLoopResult]: At program point L186-5(lines 1 964) the Hoare annotation is: false [2020-10-20 01:45:10,018 INFO L274 CegarLoopResult]: For program point L947(lines 947 951) no Hoare annotation was computed. [2020-10-20 01:45:10,018 INFO L270 CegarLoopResult]: At program point L947-2(lines 947 951) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:45:10,019 INFO L274 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-10-20 01:45:10,019 INFO L274 CegarLoopResult]: For program point L584-3(lines 584 588) no Hoare annotation was computed. [2020-10-20 01:45:10,019 INFO L274 CegarLoopResult]: For program point L584-6(lines 584 588) no Hoare annotation was computed. [2020-10-20 01:45:10,019 INFO L274 CegarLoopResult]: For program point L717(lines 717 734) no Hoare annotation was computed. [2020-10-20 01:45:10,019 INFO L274 CegarLoopResult]: For program point L717-1(lines 717 734) no Hoare annotation was computed. [2020-10-20 01:45:10,019 INFO L274 CegarLoopResult]: For program point L717-2(lines 717 734) no Hoare annotation was computed. [2020-10-20 01:45:10,020 INFO L274 CegarLoopResult]: For program point L717-3(lines 717 734) no Hoare annotation was computed. [2020-10-20 01:45:10,020 INFO L274 CegarLoopResult]: For program point L717-4(lines 717 734) no Hoare annotation was computed. [2020-10-20 01:45:10,020 INFO L274 CegarLoopResult]: For program point L717-5(lines 717 734) no Hoare annotation was computed. [2020-10-20 01:45:10,020 INFO L270 CegarLoopResult]: At program point L685(lines 681 703) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2020-10-20 01:45:10,021 INFO L270 CegarLoopResult]: At program point L685-1(lines 681 703) the Hoare annotation is: false [2020-10-20 01:45:10,021 INFO L270 CegarLoopResult]: At program point L685-2(lines 681 703) the Hoare annotation is: false [2020-10-20 01:45:10,021 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:10,021 INFO L274 CegarLoopResult]: For program point L190(lines 190 200) no Hoare annotation was computed. [2020-10-20 01:45:10,021 INFO L274 CegarLoopResult]: For program point L190-2(lines 190 200) no Hoare annotation was computed. [2020-10-20 01:45:10,021 INFO L274 CegarLoopResult]: For program point L190-4(lines 190 200) no Hoare annotation was computed. [2020-10-20 01:45:10,022 INFO L270 CegarLoopResult]: At program point L851(lines 836 854) the Hoare annotation is: false [2020-10-20 01:45:10,022 INFO L270 CegarLoopResult]: At program point L851-1(lines 836 854) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3))) [2020-10-20 01:45:10,022 INFO L270 CegarLoopResult]: At program point L851-2(lines 836 854) the Hoare annotation is: false [2020-10-20 01:45:10,022 INFO L270 CegarLoopResult]: At program point L851-3(lines 836 854) the Hoare annotation is: false [2020-10-20 01:45:10,022 INFO L270 CegarLoopResult]: At program point L851-4(lines 836 854) the Hoare annotation is: false [2020-10-20 01:45:10,023 INFO L270 CegarLoopResult]: At program point L851-5(lines 836 854) the Hoare annotation is: false [2020-10-20 01:45:10,023 INFO L270 CegarLoopResult]: At program point L653(lines 648 656) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3))) [2020-10-20 01:45:10,023 INFO L270 CegarLoopResult]: At program point L653-1(lines 648 656) the Hoare annotation is: false [2020-10-20 01:45:10,023 INFO L270 CegarLoopResult]: At program point L653-2(lines 648 656) the Hoare annotation is: false [2020-10-20 01:45:10,023 INFO L274 CegarLoopResult]: For program point L191(lines 191 197) no Hoare annotation was computed. [2020-10-20 01:45:10,024 INFO L274 CegarLoopResult]: For program point L191-2(lines 191 197) no Hoare annotation was computed. [2020-10-20 01:45:10,024 INFO L274 CegarLoopResult]: For program point L191-4(lines 191 197) no Hoare annotation was computed. [2020-10-20 01:45:10,024 INFO L270 CegarLoopResult]: At program point L621(lines 616 624) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) [2020-10-20 01:45:10,024 INFO L270 CegarLoopResult]: At program point L621-1(lines 616 624) the Hoare annotation is: false [2020-10-20 01:45:10,024 INFO L270 CegarLoopResult]: At program point L621-2(lines 616 624) the Hoare annotation is: false [2020-10-20 01:45:10,024 INFO L274 CegarLoopResult]: For program point L919(lines 919 925) no Hoare annotation was computed. [2020-10-20 01:45:10,025 INFO L270 CegarLoopResult]: At program point L886(lines 1 964) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:10,025 INFO L270 CegarLoopResult]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:45:10,025 INFO L270 CegarLoopResult]: At program point L787(lines 780 790) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) [2020-10-20 01:45:10,025 INFO L270 CegarLoopResult]: At program point L787-1(lines 780 790) the Hoare annotation is: false [2020-10-20 01:45:10,026 INFO L274 CegarLoopResult]: For program point L721(lines 721 729) no Hoare annotation was computed. [2020-10-20 01:45:10,026 INFO L270 CegarLoopResult]: At program point L787-2(lines 780 790) the Hoare annotation is: false [2020-10-20 01:45:10,026 INFO L274 CegarLoopResult]: For program point L721-1(lines 721 729) no Hoare annotation was computed. [2020-10-20 01:45:10,026 INFO L274 CegarLoopResult]: For program point L721-2(lines 721 729) no Hoare annotation was computed. [2020-10-20 01:45:10,026 INFO L274 CegarLoopResult]: For program point L721-3(lines 721 729) no Hoare annotation was computed. [2020-10-20 01:45:10,027 INFO L274 CegarLoopResult]: For program point L721-4(lines 721 729) no Hoare annotation was computed. [2020-10-20 01:45:10,027 INFO L274 CegarLoopResult]: For program point L721-5(lines 721 729) no Hoare annotation was computed. [2020-10-20 01:45:10,027 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:10,027 INFO L270 CegarLoopResult]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2020-10-20 01:45:10,027 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-20 01:45:10,028 INFO L270 CegarLoopResult]: At program point L692(lines 692 698) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3))) [2020-10-20 01:45:10,028 INFO L270 CegarLoopResult]: At program point L692-1(lines 692 698) the Hoare annotation is: false [2020-10-20 01:45:10,028 INFO L270 CegarLoopResult]: At program point L692-2(lines 692 698) the Hoare annotation is: false [2020-10-20 01:45:10,028 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:10,028 INFO L270 CegarLoopResult]: At program point L957(lines 908 958) the Hoare annotation is: false [2020-10-20 01:45:10,029 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:10,029 INFO L270 CegarLoopResult]: At program point L165(lines 160 167) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:10,029 INFO L274 CegarLoopResult]: For program point L661(lines 661 667) no Hoare annotation was computed. [2020-10-20 01:45:10,029 INFO L274 CegarLoopResult]: For program point L661-1(lines 661 667) no Hoare annotation was computed. [2020-10-20 01:45:10,029 INFO L274 CegarLoopResult]: For program point L661-2(lines 661 667) no Hoare annotation was computed. [2020-10-20 01:45:10,029 INFO L274 CegarLoopResult]: For program point L661-3(lines 661 667) no Hoare annotation was computed. [2020-10-20 01:45:10,030 INFO L274 CegarLoopResult]: For program point L661-4(lines 661 667) no Hoare annotation was computed. [2020-10-20 01:45:10,030 INFO L274 CegarLoopResult]: For program point L661-5(lines 661 667) no Hoare annotation was computed. [2020-10-20 01:45:10,030 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:45:10,030 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:45:10,030 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-10-20 01:45:10,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:10 BoogieIcfgContainer [2020-10-20 01:45:10,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:10,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:10,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:10,063 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:10,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:04" (3/4) ... [2020-10-20 01:45:10,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:10,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:10,087 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:10,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:10,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:10,090 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:10,091 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:10,092 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:10,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((1 == systemActive && pumpRunning == 1) && \result <= 2) && tmp <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 2 <= tmp) && waterLevel <= 2) [2020-10-20 01:45:10,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-10-20 01:45:10,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-10-20 01:45:10,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 == systemActive && pumpRunning == 1) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 [2020-10-20 01:45:10,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 [2020-10-20 01:45:10,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:10,219 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:10,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:10,221 INFO L168 Benchmark]: Toolchain (without parser) took 7560.33 ms. Allocated memory was 34.6 MB in the beginning and 85.5 MB in the end (delta: 50.9 MB). Free memory was 14.8 MB in the beginning and 36.6 MB in the end (delta: -21.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,222 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 33.0 MB. Free memory was 9.3 MB in the beginning and 9.3 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.14 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 13.9 MB in the beginning and 25.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.02 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 21.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,224 INFO L168 Benchmark]: Boogie Preprocessor took 75.27 ms. Allocated memory is still 44.0 MB. Free memory was 21.7 MB in the beginning and 18.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,224 INFO L168 Benchmark]: RCFGBuilder took 1096.95 ms. Allocated memory was 44.0 MB in the beginning and 49.8 MB in the end (delta: 5.8 MB). Free memory was 18.8 MB in the beginning and 22.5 MB in the end (delta: -3.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,225 INFO L168 Benchmark]: TraceAbstraction took 5503.60 ms. Allocated memory was 49.8 MB in the beginning and 85.5 MB in the end (delta: 35.7 MB). Free memory was 22.1 MB in the beginning and 51.3 MB in the end (delta: -29.1 MB). Peak memory consumption was 52.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,225 INFO L168 Benchmark]: Witness Printer took 157.29 ms. Allocated memory is still 85.5 MB. Free memory was 51.3 MB in the beginning and 36.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:10,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 33.0 MB. Free memory was 9.3 MB in the beginning and 9.3 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 643.14 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 13.9 MB in the beginning and 25.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 72.02 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 21.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 75.27 ms. Allocated memory is still 44.0 MB. Free memory was 21.7 MB in the beginning and 18.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1096.95 ms. Allocated memory was 44.0 MB in the beginning and 49.8 MB in the end (delta: 5.8 MB). Free memory was 18.8 MB in the beginning and 22.5 MB in the end (delta: -3.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5503.60 ms. Allocated memory was 49.8 MB in the beginning and 85.5 MB in the end (delta: 35.7 MB). Free memory was 22.1 MB in the beginning and 51.3 MB in the end (delta: -29.1 MB). Peak memory consumption was 52.2 MB. Max. memory is 14.3 GB. * Witness Printer took 157.29 ms. Allocated memory is still 85.5 MB. Free memory was 51.3 MB in the beginning and 36.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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: 685]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((1 == systemActive && pumpRunning == 1) && \result <= 2) && tmp <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 2 <= tmp) && waterLevel <= 2) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 == systemActive && pumpRunning == 1) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1016 SDtfs, 1154 SDslu, 1431 SDs, 0 SdLazy, 249 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 446 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 651 HoareAnnotationTreeSize, 50 FomulaSimplifications, 35912 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 50 FomulaSimplificationsInter, 7651 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 27787 SizeOfPredicates, 4 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...