./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product42.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_product42.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 39d8dc1866aa4a991b9aaab78fce46f841a157ea ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:45:04,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:04,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:04,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:04,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:04,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:04,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:04,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:04,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:04,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:04,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:04,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:04,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:04,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:04,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:04,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:04,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:04,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:04,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:04,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:04,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:04,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:04,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:04,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:04,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:04,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:04,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:04,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:04,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:04,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:04,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:04,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:04,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:04,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:04,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:04,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:04,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:04,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:04,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:04,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:04,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:04,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:04,596 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:04,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:04,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:04,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:04,598 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:04,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:04,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:04,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:04,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:04,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:04,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:04,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:04,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:04,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:04,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:04,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:04,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:04,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:04,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:04,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:04,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:04,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:04,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:04,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:04,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:04,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:04,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:04,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:04,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:04,604 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 -> 39d8dc1866aa4a991b9aaab78fce46f841a157ea [2020-10-20 01:45:04,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:04,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:04,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:04,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:04,860 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:04,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2020-10-20 01:45:04,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5fe93d4/d829402e319343d6a5f6248d91d02866/FLAG50026d38f [2020-10-20 01:45:05,410 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:05,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2020-10-20 01:45:05,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5fe93d4/d829402e319343d6a5f6248d91d02866/FLAG50026d38f [2020-10-20 01:45:05,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5fe93d4/d829402e319343d6a5f6248d91d02866 [2020-10-20 01:45:05,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:05,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:05,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:05,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:05,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:05,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:05" (1/1) ... [2020-10-20 01:45:05,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cde505f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:05, skipping insertion in model container [2020-10-20 01:45:05,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:05" (1/1) ... [2020-10-20 01:45:05,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:05,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:06,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:06,247 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:06,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:06,406 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:06,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06 WrapperNode [2020-10-20 01:45:06,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:06,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:06,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:06,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:06,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:06,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:06,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:06,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:06,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:06,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:06,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:06,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:06,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:06,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:06,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:07,703 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:07,703 INFO L298 CfgBuilder]: Removed 136 assume(true) statements. [2020-10-20 01:45:07,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:07 BoogieIcfgContainer [2020-10-20 01:45:07,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:07,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:07,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:07,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:07,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:05" (1/3) ... [2020-10-20 01:45:07,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6d081e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:07, skipping insertion in model container [2020-10-20 01:45:07,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06" (2/3) ... [2020-10-20 01:45:07,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6d081e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:07, skipping insertion in model container [2020-10-20 01:45:07,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:07" (3/3) ... [2020-10-20 01:45:07,717 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-10-20 01:45:07,728 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:07,738 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:07,750 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:07,774 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:07,774 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:07,774 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:07,774 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:07,775 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:07,775 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:07,775 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:07,775 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2020-10-20 01:45:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:07,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:07,800 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 01:45:07,800 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:07,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:07,806 INFO L82 PathProgramCache]: Analyzing trace with hash -279473195, now seen corresponding path program 1 times [2020-10-20 01:45:07,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:07,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422550029] [2020-10-20 01:45:07,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,070 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 01:45:08,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422550029] [2020-10-20 01:45:08,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:08,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996252226] [2020-10-20 01:45:08,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:08,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:08,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:08,097 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 2 states. [2020-10-20 01:45:08,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,127 INFO L93 Difference]: Finished difference Result 188 states and 277 transitions. [2020-10-20 01:45:08,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:08,128 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:08,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,140 INFO L225 Difference]: With dead ends: 188 [2020-10-20 01:45:08,141 INFO L226 Difference]: Without dead ends: 92 [2020-10-20 01:45:08,144 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 01:45:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-10-20 01:45:08,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-10-20 01:45:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-20 01:45:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2020-10-20 01:45:08,189 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2020-10-20 01:45:08,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,190 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2020-10-20 01:45:08,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2020-10-20 01:45:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:08,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,191 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 01:45:08,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:08,192 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1526546358, now seen corresponding path program 1 times [2020-10-20 01:45:08,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122475211] [2020-10-20 01:45:08,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,334 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 01:45:08,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122475211] [2020-10-20 01:45:08,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:08,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721516907] [2020-10-20 01:45:08,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:08,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:08,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,338 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2020-10-20 01:45:08,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,350 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2020-10-20 01:45:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:08,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:08,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,352 INFO L225 Difference]: With dead ends: 92 [2020-10-20 01:45:08,352 INFO L226 Difference]: Without dead ends: 41 [2020-10-20 01:45:08,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-20 01:45:08,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-20 01:45:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-20 01:45:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2020-10-20 01:45:08,360 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2020-10-20 01:45:08,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,360 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2020-10-20 01:45:08,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-10-20 01:45:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:08,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,376 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 01:45:08,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:08,377 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,383 INFO L82 PathProgramCache]: Analyzing trace with hash 215436409, now seen corresponding path program 1 times [2020-10-20 01:45:08,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573344904] [2020-10-20 01:45:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,500 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 01:45:08,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573344904] [2020-10-20 01:45:08,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:08,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252428796] [2020-10-20 01:45:08,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:08,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:08,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,503 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2020-10-20 01:45:08,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,528 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2020-10-20 01:45:08,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:08,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:45:08,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,530 INFO L225 Difference]: With dead ends: 75 [2020-10-20 01:45:08,530 INFO L226 Difference]: Without dead ends: 41 [2020-10-20 01:45:08,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-20 01:45:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-20 01:45:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-20 01:45:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2020-10-20 01:45:08,537 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2020-10-20 01:45:08,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,537 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2020-10-20 01:45:08,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-10-20 01:45:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:45:08,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:08,540 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,540 INFO L82 PathProgramCache]: Analyzing trace with hash 937029115, now seen corresponding path program 1 times [2020-10-20 01:45:08,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869844735] [2020-10-20 01:45:08,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,611 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 01:45:08,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869844735] [2020-10-20 01:45:08,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:08,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318720508] [2020-10-20 01:45:08,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:08,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:08,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:08,625 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2020-10-20 01:45:08,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,678 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-10-20 01:45:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:08,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-20 01:45:08,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,679 INFO L225 Difference]: With dead ends: 99 [2020-10-20 01:45:08,680 INFO L226 Difference]: Without dead ends: 65 [2020-10-20 01:45:08,680 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 01:45:08,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-20 01:45:08,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-10-20 01:45:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-20 01:45:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2020-10-20 01:45:08,689 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2020-10-20 01:45:08,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,689 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2020-10-20 01:45:08,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2020-10-20 01:45:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:45:08,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,691 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] [2020-10-20 01:45:08,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:08,691 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1349052711, now seen corresponding path program 1 times [2020-10-20 01:45:08,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931429406] [2020-10-20 01:45:08,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,778 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 01:45:08,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931429406] [2020-10-20 01:45:08,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:08,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468161266] [2020-10-20 01:45:08,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:08,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:08,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:08,781 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2020-10-20 01:45:08,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:08,908 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2020-10-20 01:45:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:08,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:45:08,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:08,910 INFO L225 Difference]: With dead ends: 216 [2020-10-20 01:45:08,910 INFO L226 Difference]: Without dead ends: 160 [2020-10-20 01:45:08,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:08,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-20 01:45:08,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-10-20 01:45:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-20 01:45:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2020-10-20 01:45:08,923 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2020-10-20 01:45:08,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:08,923 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2020-10-20 01:45:08,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-10-20 01:45:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:08,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,925 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, 1] [2020-10-20 01:45:08,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:08,926 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,926 INFO L82 PathProgramCache]: Analyzing trace with hash -243919497, now seen corresponding path program 1 times [2020-10-20 01:45:08,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241063876] [2020-10-20 01:45:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:08,997 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 01:45:08,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241063876] [2020-10-20 01:45:08,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:08,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:08,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502329531] [2020-10-20 01:45:08,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:08,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:08,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:08,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:08,999 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2020-10-20 01:45:09,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,075 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2020-10-20 01:45:09,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:09,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:45:09,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,077 INFO L225 Difference]: With dead ends: 161 [2020-10-20 01:45:09,077 INFO L226 Difference]: Without dead ends: 106 [2020-10-20 01:45:09,078 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 01:45:09,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-20 01:45:09,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2020-10-20 01:45:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 01:45:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2020-10-20 01:45:09,088 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2020-10-20 01:45:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,088 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2020-10-20 01:45:09,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-10-20 01:45:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:09,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,089 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, 1] [2020-10-20 01:45:09,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:09,090 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1255036747, now seen corresponding path program 1 times [2020-10-20 01:45:09,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086135263] [2020-10-20 01:45:09,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,147 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 01:45:09,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086135263] [2020-10-20 01:45:09,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:09,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447585189] [2020-10-20 01:45:09,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:09,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:09,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:09,149 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 5 states. [2020-10-20 01:45:09,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,225 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2020-10-20 01:45:09,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:09,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:45:09,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,227 INFO L225 Difference]: With dead ends: 170 [2020-10-20 01:45:09,227 INFO L226 Difference]: Without dead ends: 112 [2020-10-20 01:45:09,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:09,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-20 01:45:09,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2020-10-20 01:45:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-20 01:45:09,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2020-10-20 01:45:09,238 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2020-10-20 01:45:09,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,238 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2020-10-20 01:45:09,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2020-10-20 01:45:09,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:09,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,240 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, 1] [2020-10-20 01:45:09,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:09,240 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,240 INFO L82 PathProgramCache]: Analyzing trace with hash 2018862195, now seen corresponding path program 1 times [2020-10-20 01:45:09,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768257915] [2020-10-20 01:45:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,285 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 01:45:09,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768257915] [2020-10-20 01:45:09,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:09,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310077165] [2020-10-20 01:45:09,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:09,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:09,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:09,287 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2020-10-20 01:45:09,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,310 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2020-10-20 01:45:09,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:09,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-10-20 01:45:09,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,312 INFO L225 Difference]: With dead ends: 154 [2020-10-20 01:45:09,312 INFO L226 Difference]: Without dead ends: 94 [2020-10-20 01:45:09,312 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 01:45:09,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-20 01:45:09,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-10-20 01:45:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-20 01:45:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2020-10-20 01:45:09,325 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2020-10-20 01:45:09,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,325 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2020-10-20 01:45:09,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-10-20 01:45:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:09,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,327 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, 1, 1] [2020-10-20 01:45:09,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:09,327 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,328 INFO L82 PathProgramCache]: Analyzing trace with hash 544383411, now seen corresponding path program 1 times [2020-10-20 01:45:09,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933220702] [2020-10-20 01:45:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,443 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 01:45:09,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933220702] [2020-10-20 01:45:09,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:09,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034262452] [2020-10-20 01:45:09,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:09,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:09,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:09,446 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 7 states. [2020-10-20 01:45:09,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,762 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2020-10-20 01:45:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:09,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-10-20 01:45:09,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,766 INFO L225 Difference]: With dead ends: 432 [2020-10-20 01:45:09,766 INFO L226 Difference]: Without dead ends: 372 [2020-10-20 01:45:09,768 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 01:45:09,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-20 01:45:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2020-10-20 01:45:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-20 01:45:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2020-10-20 01:45:09,799 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2020-10-20 01:45:09,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,815 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2020-10-20 01:45:09,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2020-10-20 01:45:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:45:09,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,817 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] [2020-10-20 01:45:09,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:09,817 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,818 INFO L82 PathProgramCache]: Analyzing trace with hash 386077858, now seen corresponding path program 1 times [2020-10-20 01:45:09,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487459449] [2020-10-20 01:45:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,908 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 01:45:09,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487459449] [2020-10-20 01:45:09,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142073628] [2020-10-20 01:45:09,909 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 01:45:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:10,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:10,148 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 01:45:10,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:10,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-20 01:45:10,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288210515] [2020-10-20 01:45:10,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:45:10,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:45:10,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:10,151 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 8 states. [2020-10-20 01:45:10,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,453 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2020-10-20 01:45:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:45:10,454 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-20 01:45:10,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,455 INFO L225 Difference]: With dead ends: 288 [2020-10-20 01:45:10,455 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:10,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:45:10,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:10,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:10,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-10-20 01:45:10,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,475 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:10,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:45:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:10,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:10,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:10,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:11,239 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-10-20 01:45:11,507 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2020-10-20 01:45:11,754 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-10-20 01:45:11,862 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-10-20 01:45:12,187 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-10-20 01:45:12,298 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 24 [2020-10-20 01:45:12,308 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,308 INFO L274 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-10-20 01:45:12,308 INFO L274 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-10-20 01:45:12,308 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2020-10-20 01:45:12,309 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,309 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,309 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,309 INFO L274 CegarLoopResult]: For program point L185(lines 185 192) no Hoare annotation was computed. [2020-10-20 01:45:12,309 INFO L277 CegarLoopResult]: At program point L185-1(lines 185 192) the Hoare annotation is: true [2020-10-20 01:45:12,309 INFO L274 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-10-20 01:45:12,310 INFO L270 CegarLoopResult]: At program point L945(lines 930 948) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2))) [2020-10-20 01:45:12,310 INFO L270 CegarLoopResult]: At program point L945-1(lines 930 948) the Hoare annotation is: false [2020-10-20 01:45:12,311 INFO L270 CegarLoopResult]: At program point L945-2(lines 930 948) the Hoare annotation is: false [2020-10-20 01:45:12,311 INFO L274 CegarLoopResult]: For program point L748(lines 748 761) no Hoare annotation was computed. [2020-10-20 01:45:12,311 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-20 01:45:12,311 INFO L274 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-10-20 01:45:12,311 INFO L274 CegarLoopResult]: For program point L203-2(line 203) no Hoare annotation was computed. [2020-10-20 01:45:12,311 INFO L270 CegarLoopResult]: At program point L881(lines 874 884) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:12,312 INFO L270 CegarLoopResult]: At program point L881-1(lines 874 884) the Hoare annotation is: false [2020-10-20 01:45:12,312 INFO L270 CegarLoopResult]: At program point L881-2(lines 874 884) the Hoare annotation is: false [2020-10-20 01:45:12,312 INFO L274 CegarLoopResult]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:12,314 INFO L270 CegarLoopResult]: At program point L72-1(lines 1 956) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse9 (= ~pumpRunning~0 0)) (.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 .cse4 .cse1 .cse0 .cse5 .cse6 .cse7 .cse8 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse9 .cse2) (and .cse4 .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse2 .cse3))) [2020-10-20 01:45:12,314 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:12,314 INFO L270 CegarLoopResult]: At program point L72-3(lines 1 956) the Hoare annotation is: false [2020-10-20 01:45:12,314 INFO L274 CegarLoopResult]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-10-20 01:45:12,314 INFO L270 CegarLoopResult]: At program point L72-5(lines 1 956) the Hoare annotation is: false [2020-10-20 01:45:12,314 INFO L270 CegarLoopResult]: At program point L766(lines 717 767) the Hoare annotation is: false [2020-10-20 01:45:12,315 INFO L270 CegarLoopResult]: At program point L238(lines 233 241) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,315 INFO L270 CegarLoopResult]: At program point L106-2(lines 106 120) the Hoare annotation is: false [2020-10-20 01:45:12,315 INFO L270 CegarLoopResult]: At program point L701(lines 692 705) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-10-20 01:45:12,315 INFO L270 CegarLoopResult]: At program point L701-1(lines 692 705) the Hoare annotation is: false [2020-10-20 01:45:12,315 INFO L270 CegarLoopResult]: At program point L701-2(lines 692 705) the Hoare annotation is: false [2020-10-20 01:45:12,316 INFO L274 CegarLoopResult]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-10-20 01:45:12,316 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-20 01:45:12,316 INFO L274 CegarLoopResult]: For program point L619-3(lines 619 623) no Hoare annotation was computed. [2020-10-20 01:45:12,316 INFO L274 CegarLoopResult]: For program point L619-6(lines 619 623) no Hoare annotation was computed. [2020-10-20 01:45:12,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,316 INFO L270 CegarLoopResult]: At program point L157(lines 153 159) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,316 INFO L274 CegarLoopResult]: For program point L719(lines 718 765) no Hoare annotation was computed. [2020-10-20 01:45:12,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,317 INFO L274 CegarLoopResult]: For program point L819(lines 819 836) no Hoare annotation was computed. [2020-10-20 01:45:12,317 INFO L274 CegarLoopResult]: For program point L819-1(lines 819 836) no Hoare annotation was computed. [2020-10-20 01:45:12,317 INFO L274 CegarLoopResult]: For program point L819-2(lines 819 836) no Hoare annotation was computed. [2020-10-20 01:45:12,317 INFO L274 CegarLoopResult]: For program point L720(lines 720 724) no Hoare annotation was computed. [2020-10-20 01:45:12,317 INFO L274 CegarLoopResult]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:12,317 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:12,317 INFO L274 CegarLoopResult]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-10-20 01:45:12,317 INFO L270 CegarLoopResult]: At program point L787(lines 783 805) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse1))) [2020-10-20 01:45:12,318 INFO L270 CegarLoopResult]: At program point L787-1(lines 783 805) the Hoare annotation is: false [2020-10-20 01:45:12,318 INFO L270 CegarLoopResult]: At program point L787-2(lines 783 805) the Hoare annotation is: false [2020-10-20 01:45:12,318 INFO L270 CegarLoopResult]: At program point L688(lines 683 691) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse6) (and .cse2 .cse1 .cse3 .cse4 .cse7 .cse5 .cse6) (and (= ~waterLevel~0 1) .cse1 .cse7 .cse5))) [2020-10-20 01:45:12,318 INFO L270 CegarLoopResult]: At program point L688-1(lines 683 691) the Hoare annotation is: false [2020-10-20 01:45:12,318 INFO L274 CegarLoopResult]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-10-20 01:45:12,318 INFO L270 CegarLoopResult]: At program point L688-2(lines 683 691) the Hoare annotation is: false [2020-10-20 01:45:12,318 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:12,319 INFO L274 CegarLoopResult]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2020-10-20 01:45:12,319 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:12,319 INFO L274 CegarLoopResult]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:45:12,319 INFO L274 CegarLoopResult]: For program point L738(lines 738 744) no Hoare annotation was computed. [2020-10-20 01:45:12,319 INFO L270 CegarLoopResult]: At program point L738-1(lines 738 744) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2020-10-20 01:45:12,319 INFO L270 CegarLoopResult]: At program point L61(lines 787 793) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse4 .cse1) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse1 .cse2))) [2020-10-20 01:45:12,319 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,319 INFO L270 CegarLoopResult]: At program point L61-1(lines 787 793) the Hoare annotation is: false [2020-10-20 01:45:12,320 INFO L270 CegarLoopResult]: At program point L61-2(lines 787 793) the Hoare annotation is: false [2020-10-20 01:45:12,320 INFO L270 CegarLoopResult]: At program point L656(lines 651 659) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:12,320 INFO L270 CegarLoopResult]: At program point L656-1(lines 651 659) the Hoare annotation is: false [2020-10-20 01:45:12,320 INFO L270 CegarLoopResult]: At program point L656-2(lines 651 659) the Hoare annotation is: false [2020-10-20 01:45:12,320 INFO L277 CegarLoopResult]: At program point L194(lines 175 197) the Hoare annotation is: true [2020-10-20 01:45:12,320 INFO L274 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-10-20 01:45:12,320 INFO L270 CegarLoopResult]: At program point L756-2(lines 756 760) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L856(lines 856 862) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L823(lines 823 831) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L823-1(lines 823 831) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L856-2(lines 856 862) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L823-2(lines 823 831) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L856-4(lines 856 862) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L939(lines 939 943) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L939-2(lines 939 943) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L939-3(lines 939 943) no Hoare annotation was computed. [2020-10-20 01:45:12,321 INFO L274 CegarLoopResult]: For program point L939-5(lines 939 943) no Hoare annotation was computed. [2020-10-20 01:45:12,322 INFO L274 CegarLoopResult]: For program point L939-6(lines 939 943) no Hoare annotation was computed. [2020-10-20 01:45:12,322 INFO L274 CegarLoopResult]: For program point L939-8(lines 939 943) no Hoare annotation was computed. [2020-10-20 01:45:12,322 INFO L270 CegarLoopResult]: At program point L890(lines 885 893) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse6 .cse2) (and .cse0 .cse5 .cse7 .cse6 .cse2 .cse4) (and .cse1 .cse0 .cse7 .cse3 .cse2 .cse4))) [2020-10-20 01:45:12,322 INFO L270 CegarLoopResult]: At program point L890-1(lines 885 893) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1))) [2020-10-20 01:45:12,322 INFO L270 CegarLoopResult]: At program point L890-2(lines 885 893) the Hoare annotation is: false [2020-10-20 01:45:12,322 INFO L270 CegarLoopResult]: At program point L890-3(lines 885 893) the Hoare annotation is: false [2020-10-20 01:45:12,323 INFO L270 CegarLoopResult]: At program point L890-4(lines 885 893) the Hoare annotation is: false [2020-10-20 01:45:12,323 INFO L270 CegarLoopResult]: At program point L890-5(lines 885 893) the Hoare annotation is: false [2020-10-20 01:45:12,323 INFO L270 CegarLoopResult]: At program point L230(lines 1 956) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,323 INFO L274 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-10-20 01:45:12,323 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:12,323 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:12,323 INFO L270 CegarLoopResult]: At program point L794(lines 794 800) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse5 .cse2 .cse3) (and .cse1 .cse0 .cse4 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse2))) [2020-10-20 01:45:12,324 INFO L270 CegarLoopResult]: At program point L794-1(lines 794 800) the Hoare annotation is: false [2020-10-20 01:45:12,324 INFO L274 CegarLoopResult]: For program point L728(lines 728 734) no Hoare annotation was computed. [2020-10-20 01:45:12,324 INFO L270 CegarLoopResult]: At program point L794-2(lines 794 800) the Hoare annotation is: false [2020-10-20 01:45:12,324 INFO L270 CegarLoopResult]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2020-10-20 01:45:12,324 INFO L270 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:12,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:12 BoogieIcfgContainer [2020-10-20 01:45:12,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:12,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:12,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:12,375 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:12,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:07" (3/4) ... [2020-10-20 01:45:12,384 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:12,401 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:12,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:12,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:12,404 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:12,404 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:12,405 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:12,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:12,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp <= 2 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:12,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:12,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:12,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,439 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((\result <= 2 && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,441 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:12,441 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,441 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:45:12,552 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:12,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:12,554 INFO L168 Benchmark]: Toolchain (without parser) took 6811.78 ms. Allocated memory was 35.1 MB in the beginning and 82.3 MB in the end (delta: 47.2 MB). Free memory was 15.1 MB in the beginning and 34.7 MB in the end (delta: -19.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,554 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 33.0 MB. Free memory was 10.5 MB in the beginning and 10.4 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.78 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 14.1 MB in the beginning and 25.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.59 ms. Allocated memory is still 45.1 MB. Free memory was 25.3 MB in the beginning and 21.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,556 INFO L168 Benchmark]: Boogie Preprocessor took 69.07 ms. Allocated memory is still 45.1 MB. Free memory was 21.7 MB in the beginning and 18.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,556 INFO L168 Benchmark]: RCFGBuilder took 1145.70 ms. Allocated memory was 45.1 MB in the beginning and 50.3 MB in the end (delta: 5.2 MB). Free memory was 18.9 MB in the beginning and 29.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,557 INFO L168 Benchmark]: TraceAbstraction took 4667.25 ms. Allocated memory was 50.3 MB in the beginning and 82.3 MB in the end (delta: 32.0 MB). Free memory was 28.7 MB in the beginning and 46.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 54.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,557 INFO L168 Benchmark]: Witness Printer took 177.38 ms. Allocated memory is still 82.3 MB. Free memory was 45.8 MB in the beginning and 34.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:12,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 33.0 MB. Free memory was 10.5 MB in the beginning and 10.4 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 659.78 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 14.1 MB in the beginning and 25.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 76.59 ms. Allocated memory is still 45.1 MB. Free memory was 25.3 MB in the beginning and 21.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 69.07 ms. Allocated memory is still 45.1 MB. Free memory was 21.7 MB in the beginning and 18.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1145.70 ms. Allocated memory was 45.1 MB in the beginning and 50.3 MB in the end (delta: 5.2 MB). Free memory was 18.9 MB in the beginning and 29.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 4667.25 ms. Allocated memory was 50.3 MB in the beginning and 82.3 MB in the end (delta: 32.0 MB). Free memory was 28.7 MB in the beginning and 46.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 54.8 MB. Max. memory is 14.3 GB. * Witness Printer took 177.38 ms. Allocated memory is still 82.3 MB. Free memory was 45.8 MB in the beginning and 34.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp <= 2 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && 2 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((\result <= 2 && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 99 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 827 SDtfs, 987 SDslu, 1275 SDs, 0 SdLazy, 192 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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, 400 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 104 NumberOfFragments, 812 HoareAnnotationTreeSize, 44 FomulaSimplifications, 20224 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 2182 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 27647 SizeOfPredicates, 4 NumberOfNonLiveVariables, 439 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...