./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7139998cc0921a9b712bced77cbd2064338f38d5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:22:34,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:34,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:34,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:34,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:34,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:34,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:34,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:34,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:34,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:34,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:34,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:34,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:34,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:34,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:34,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:34,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:34,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:34,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:34,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:34,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:34,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:34,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:34,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:34,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:34,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:34,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:34,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:34,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:34,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:34,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:34,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:34,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:34,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:34,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:34,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:34,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:34,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:34,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:34,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:34,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:34,624 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:34,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:34,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:34,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:34,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:34,646 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:34,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:34,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:34,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:34,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:34,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:34,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:34,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:34,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:34,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:34,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:34,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:34,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:34,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:34,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:34,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:34,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:34,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:34,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:34,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:34,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:34,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:34,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:34,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:34,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7139998cc0921a9b712bced77cbd2064338f38d5 [2019-11-28 00:22:34,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:34,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:34,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:34,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:34,984 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:34,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2019-11-28 00:22:35,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e621197ee/501a4556dc7d4572b847b24c1e57755f/FLAGf9776725d [2019-11-28 00:22:35,556 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:35,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2019-11-28 00:22:35,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e621197ee/501a4556dc7d4572b847b24c1e57755f/FLAGf9776725d [2019-11-28 00:22:35,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e621197ee/501a4556dc7d4572b847b24c1e57755f [2019-11-28 00:22:35,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:35,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:35,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:35,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:35,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:35,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:35" (1/1) ... [2019-11-28 00:22:35,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:35, skipping insertion in model container [2019-11-28 00:22:35,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:35" (1/1) ... [2019-11-28 00:22:35,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:35,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:36,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:36,403 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:36,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:36,533 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:36,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36 WrapperNode [2019-11-28 00:22:36,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:36,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:36,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:36,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:36,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:36,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:36,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:36,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:36,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... [2019-11-28 00:22:36,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:36,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:36,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:36,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:36,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:37,460 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:37,461 INFO L297 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-28 00:22:37,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:37 BoogieIcfgContainer [2019-11-28 00:22:37,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:37,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:37,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:37,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:37,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:35" (1/3) ... [2019-11-28 00:22:37,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca92a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:37, skipping insertion in model container [2019-11-28 00:22:37,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:36" (2/3) ... [2019-11-28 00:22:37,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca92a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:37, skipping insertion in model container [2019-11-28 00:22:37,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:37" (3/3) ... [2019-11-28 00:22:37,472 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2019-11-28 00:22:37,482 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:37,490 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:37,504 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:37,531 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:37,531 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:37,531 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:37,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:37,532 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:37,532 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:37,532 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:37,532 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-28 00:22:37,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:22:37,558 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:37,559 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:37,560 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:37,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:37,566 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2019-11-28 00:22:37,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:37,573 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91838213] [2019-11-28 00:22:37,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:37,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91838213] [2019-11-28 00:22:37,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:37,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:37,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859704899] [2019-11-28 00:22:37,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:37,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:37,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:37,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:37,937 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-28 00:22:37,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:37,999 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-28 00:22:37,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:38,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:22:38,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:38,018 INFO L225 Difference]: With dead ends: 144 [2019-11-28 00:22:38,018 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 00:22:38,024 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:38,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 00:22:38,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-28 00:22:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 00:22:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-28 00:22:38,092 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-11-28 00:22:38,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:38,094 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 00:22:38,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:38,094 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-28 00:22:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:22:38,097 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:38,097 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:38,098 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:38,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:38,099 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2019-11-28 00:22:38,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:38,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127944012] [2019-11-28 00:22:38,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:38,263 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127944012] [2019-11-28 00:22:38,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:38,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:38,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163826733] [2019-11-28 00:22:38,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:38,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:38,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:38,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:38,270 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-28 00:22:38,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:38,289 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-28 00:22:38,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:38,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:22:38,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:38,292 INFO L225 Difference]: With dead ends: 71 [2019-11-28 00:22:38,292 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 00:22:38,293 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:38,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 00:22:38,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 00:22:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:22:38,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-28 00:22:38,302 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-28 00:22:38,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:38,303 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-28 00:22:38,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:38,303 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-28 00:22:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:22:38,304 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:38,305 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:38,305 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:38,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:38,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2019-11-28 00:22:38,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:38,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202548751] [2019-11-28 00:22:38,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:38,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202548751] [2019-11-28 00:22:38,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:38,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:38,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890875089] [2019-11-28 00:22:38,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:38,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:38,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:38,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:38,413 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-11-28 00:22:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:38,442 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-28 00:22:38,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:38,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 00:22:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:38,444 INFO L225 Difference]: With dead ends: 60 [2019-11-28 00:22:38,445 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 00:22:38,446 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 00:22:38,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 00:22:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:22:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-28 00:22:38,452 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-11-28 00:22:38,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:38,452 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-28 00:22:38,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-28 00:22:38,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 00:22:38,454 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:38,454 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:38,455 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:38,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:38,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2019-11-28 00:22:38,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:38,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329399849] [2019-11-28 00:22:38,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:38,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329399849] [2019-11-28 00:22:38,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:38,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:22:38,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549405154] [2019-11-28 00:22:38,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 00:22:38,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:38,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 00:22:38,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:38,572 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 7 states. [2019-11-28 00:22:38,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:38,953 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2019-11-28 00:22:38,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 00:22:38,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-11-28 00:22:38,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:38,956 INFO L225 Difference]: With dead ends: 196 [2019-11-28 00:22:38,956 INFO L226 Difference]: Without dead ends: 169 [2019-11-28 00:22:38,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-28 00:22:38,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-28 00:22:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-11-28 00:22:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-28 00:22:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-11-28 00:22:38,972 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2019-11-28 00:22:38,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:38,973 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-11-28 00:22:38,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 00:22:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-11-28 00:22:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:22:38,974 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:38,975 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:38,975 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:38,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:38,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2019-11-28 00:22:38,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:38,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861223814] [2019-11-28 00:22:38,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:39,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861223814] [2019-11-28 00:22:39,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:39,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:39,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591870903] [2019-11-28 00:22:39,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:39,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:39,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:39,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:39,021 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2019-11-28 00:22:39,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:39,036 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2019-11-28 00:22:39,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:39,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:22:39,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:39,037 INFO L225 Difference]: With dead ends: 132 [2019-11-28 00:22:39,037 INFO L226 Difference]: Without dead ends: 60 [2019-11-28 00:22:39,038 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-28 00:22:39,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-28 00:22:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 00:22:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-11-28 00:22:39,048 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-11-28 00:22:39,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:39,049 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-11-28 00:22:39,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-28 00:22:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 00:22:39,051 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:39,051 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:39,051 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:39,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:39,052 INFO L82 PathProgramCache]: Analyzing trace with hash -2044306332, now seen corresponding path program 1 times [2019-11-28 00:22:39,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:39,052 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950402264] [2019-11-28 00:22:39,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 00:22:39,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950402264] [2019-11-28 00:22:39,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:39,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:39,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431458396] [2019-11-28 00:22:39,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:39,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:39,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:39,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:39,123 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-11-28 00:22:39,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:39,181 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-11-28 00:22:39,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:39,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-28 00:22:39,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:39,183 INFO L225 Difference]: With dead ends: 118 [2019-11-28 00:22:39,183 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:39,184 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:39,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:39,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:39,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-28 00:22:39,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:39,185 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:39,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:39,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:39,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:39,608 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-11-28 00:22:39,608 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-28 00:22:39,608 INFO L246 CegarLoopResult]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-11-28 00:22:39,608 INFO L249 CegarLoopResult]: At program point L366-1(lines 366 373) the Hoare annotation is: true [2019-11-28 00:22:39,612 INFO L242 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:39,612 INFO L242 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2019-11-28 00:22:39,612 INFO L242 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2019-11-28 00:22:39,612 INFO L246 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2019-11-28 00:22:39,613 INFO L246 CegarLoopResult]: For program point L449-3(lines 449 453) no Hoare annotation was computed. [2019-11-28 00:22:39,613 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:39,613 INFO L246 CegarLoopResult]: For program point L449-6(lines 449 453) no Hoare annotation was computed. [2019-11-28 00:22:39,613 INFO L242 CegarLoopResult]: At program point L268(lines 253 271) the Hoare annotation is: false [2019-11-28 00:22:39,613 INFO L242 CegarLoopResult]: At program point L268-1(lines 253 271) the Hoare annotation is: false [2019-11-28 00:22:39,613 INFO L242 CegarLoopResult]: At program point L268-2(lines 253 271) the Hoare annotation is: false [2019-11-28 00:22:39,614 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-11-28 00:22:39,617 INFO L242 CegarLoopResult]: At program point L518(lines 513 521) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:39,617 INFO L242 CegarLoopResult]: At program point L518-1(lines 513 521) the Hoare annotation is: false [2019-11-28 00:22:39,617 INFO L242 CegarLoopResult]: At program point L518-2(lines 513 521) the Hoare annotation is: false [2019-11-28 00:22:39,618 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-28 00:22:39,618 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-28 00:22:39,618 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-28 00:22:39,618 INFO L246 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2019-11-28 00:22:39,618 INFO L246 CegarLoopResult]: For program point L536-2(line 536) no Hoare annotation was computed. [2019-11-28 00:22:39,618 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:39,619 INFO L242 CegarLoopResult]: At program point L438(lines 433 441) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:39,619 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-28 00:22:39,619 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:39,619 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-11-28 00:22:39,619 INFO L242 CegarLoopResult]: At program point L340(lines 336 342) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:39,624 INFO L246 CegarLoopResult]: For program point L390(lines 390 403) no Hoare annotation was computed. [2019-11-28 00:22:39,624 INFO L242 CegarLoopResult]: At program point L390-1(lines 1 905) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:39,624 INFO L246 CegarLoopResult]: For program point L390-2(lines 390 403) no Hoare annotation was computed. [2019-11-28 00:22:39,624 INFO L242 CegarLoopResult]: At program point L390-3(lines 1 905) the Hoare annotation is: false [2019-11-28 00:22:39,625 INFO L246 CegarLoopResult]: For program point L390-4(lines 390 403) no Hoare annotation was computed. [2019-11-28 00:22:39,625 INFO L242 CegarLoopResult]: At program point L390-5(lines 1 905) the Hoare annotation is: false [2019-11-28 00:22:39,625 INFO L246 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-11-28 00:22:39,626 INFO L242 CegarLoopResult]: At program point L93-2(lines 128 134) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:39,627 INFO L246 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2019-11-28 00:22:39,627 INFO L242 CegarLoopResult]: At program point L292-2(lines 292 306) the Hoare annotation is: false [2019-11-28 00:22:39,627 INFO L246 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-11-28 00:22:39,627 INFO L246 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2019-11-28 00:22:39,627 INFO L246 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2019-11-28 00:22:39,628 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:39,628 INFO L249 CegarLoopResult]: At program point L375(lines 356 378) the Hoare annotation is: true [2019-11-28 00:22:39,628 INFO L246 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2019-11-28 00:22:39,628 INFO L242 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:39,628 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2019-11-28 00:22:39,629 INFO L242 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2019-11-28 00:22:39,629 INFO L242 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2019-11-28 00:22:39,629 INFO L246 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-11-28 00:22:39,629 INFO L246 CegarLoopResult]: For program point L394-2(lines 394 400) no Hoare annotation was computed. [2019-11-28 00:22:39,629 INFO L246 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-11-28 00:22:39,630 INFO L246 CegarLoopResult]: For program point L394-4(lines 394 400) no Hoare annotation was computed. [2019-11-28 00:22:39,630 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-11-28 00:22:39,630 INFO L246 CegarLoopResult]: For program point L262-3(lines 262 266) no Hoare annotation was computed. [2019-11-28 00:22:39,630 INFO L246 CegarLoopResult]: For program point L262-5(lines 262 266) no Hoare annotation was computed. [2019-11-28 00:22:39,630 INFO L246 CegarLoopResult]: For program point L262-6(lines 262 266) no Hoare annotation was computed. [2019-11-28 00:22:39,630 INFO L246 CegarLoopResult]: For program point L262-8(lines 262 266) no Hoare annotation was computed. [2019-11-28 00:22:39,631 INFO L242 CegarLoopResult]: At program point L213(lines 208 216) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:39,631 INFO L242 CegarLoopResult]: At program point L213-1(lines 208 216) the Hoare annotation is: false [2019-11-28 00:22:39,631 INFO L242 CegarLoopResult]: At program point L213-2(lines 208 216) the Hoare annotation is: false [2019-11-28 00:22:39,631 INFO L242 CegarLoopResult]: At program point L527(lines 522 530) the Hoare annotation is: false [2019-11-28 00:22:39,631 INFO L242 CegarLoopResult]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2019-11-28 00:22:39,632 INFO L246 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2019-11-28 00:22:39,632 INFO L242 CegarLoopResult]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2019-11-28 00:22:39,632 INFO L246 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2019-11-28 00:22:39,632 INFO L246 CegarLoopResult]: For program point L296-1(lines 128 134) no Hoare annotation was computed. [2019-11-28 00:22:39,632 INFO L246 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-11-28 00:22:39,632 INFO L246 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2019-11-28 00:22:39,633 INFO L246 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2019-11-28 00:22:39,633 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-28 00:22:39,633 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:39,633 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:39,633 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2019-11-28 00:22:39,634 INFO L242 CegarLoopResult]: At program point L430(lines 1 905) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:39,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:39 BoogieIcfgContainer [2019-11-28 00:22:39,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:39,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:39,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:39,656 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:39,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:37" (3/4) ... [2019-11-28 00:22:39,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:39,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:39,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:39,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:39,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:39,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:39,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:39,704 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:39,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:39,819 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:39,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:39,822 INFO L168 Benchmark]: Toolchain (without parser) took 3946.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 961.7 MB in the beginning and 882.8 MB in the end (delta: 78.9 MB). Peak memory consumption was 215.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:39,822 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:39,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:39,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:39,823 INFO L168 Benchmark]: Boogie Preprocessor took 38.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:39,824 INFO L168 Benchmark]: RCFGBuilder took 810.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:39,825 INFO L168 Benchmark]: TraceAbstraction took 2191.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.6 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:39,825 INFO L168 Benchmark]: Witness Printer took 164.12 ms. Allocated memory is still 1.2 GB. Free memory was 889.6 MB in the beginning and 882.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:39,827 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 659.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 810.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2191.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.6 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * Witness Printer took 164.12 ms. Allocated memory is still 1.2 GB. Free memory was 889.6 MB in the beginning and 882.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 536]: 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: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 333 SDtfs, 461 SDslu, 357 SDs, 0 SdLazy, 97 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1528 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 269 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 7907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...