./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product52.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 4a7d01a18e8eb658e3fdab12793134365cb1bc41 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:44:19,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:19,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:19,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:19,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:19,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:19,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:19,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:19,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:19,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:19,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:19,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:19,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:19,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:19,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:19,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:19,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:19,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:19,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:19,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:19,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:19,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:19,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:19,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:19,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:19,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:19,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:19,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:19,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:19,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:19,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:19,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:19,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:19,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:19,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:19,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:19,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:19,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:19,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:19,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:19,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:19,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:19,566 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:19,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:19,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:19,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:19,569 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:19,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:19,569 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:19,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:19,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:19,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:19,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:19,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:19,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:19,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:19,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:19,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:19,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:19,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:19,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:19,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:19,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:19,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:19,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:19,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:19,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:19,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:19,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:19,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:19,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:19,576 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 -> 4a7d01a18e8eb658e3fdab12793134365cb1bc41 [2020-10-20 01:44:19,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:19,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:19,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:19,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:19,812 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:19,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2020-10-20 01:44:19,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e774b97d0/8e973c2e9fa34804b3cec53b0f11c530/FLAG25064c03d [2020-10-20 01:44:20,511 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:20,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2020-10-20 01:44:20,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e774b97d0/8e973c2e9fa34804b3cec53b0f11c530/FLAG25064c03d [2020-10-20 01:44:20,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e774b97d0/8e973c2e9fa34804b3cec53b0f11c530 [2020-10-20 01:44:20,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:20,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:20,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:20,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:20,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:20,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:20" (1/1) ... [2020-10-20 01:44:20,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e360f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:20, skipping insertion in model container [2020-10-20 01:44:20,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:20" (1/1) ... [2020-10-20 01:44:20,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:20,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:21,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:21,247 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:21,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:21,365 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:21,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21 WrapperNode [2020-10-20 01:44:21,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:21,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:21,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:21,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:21,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:21,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:21,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:21,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:21,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... [2020-10-20 01:44:21,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:21,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:21,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:21,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:21,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:22,582 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:22,582 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-10-20 01:44:22,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:22 BoogieIcfgContainer [2020-10-20 01:44:22,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:22,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:22,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:22,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:22,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:20" (1/3) ... [2020-10-20 01:44:22,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379d00a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:22, skipping insertion in model container [2020-10-20 01:44:22,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:21" (2/3) ... [2020-10-20 01:44:22,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379d00a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:22, skipping insertion in model container [2020-10-20 01:44:22,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:22" (3/3) ... [2020-10-20 01:44:22,595 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-10-20 01:44:22,608 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:22,617 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:22,632 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:22,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:22,670 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:22,670 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:22,670 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:22,670 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:22,670 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:22,670 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:22,671 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2020-10-20 01:44:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:22,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:22,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:22,697 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:22,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:22,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1013956240, now seen corresponding path program 1 times [2020-10-20 01:44:22,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:22,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325010895] [2020-10-20 01:44:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:22,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:22,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325010895] [2020-10-20 01:44:23,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:23,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:23,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537080815] [2020-10-20 01:44:23,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:23,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:23,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:23,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:23,026 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2020-10-20 01:44:23,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:23,062 INFO L93 Difference]: Finished difference Result 235 states and 356 transitions. [2020-10-20 01:44:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:23,064 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:23,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:23,078 INFO L225 Difference]: With dead ends: 235 [2020-10-20 01:44:23,078 INFO L226 Difference]: Without dead ends: 115 [2020-10-20 01:44:23,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:23,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-20 01:44:23,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-20 01:44:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-20 01:44:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-10-20 01:44:23,131 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-10-20 01:44:23,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:23,132 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-10-20 01:44:23,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-10-20 01:44:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:23,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:23,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:23,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:23,134 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:23,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:23,135 INFO L82 PathProgramCache]: Analyzing trace with hash -2060713137, now seen corresponding path program 1 times [2020-10-20 01:44:23,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:23,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48531561] [2020-10-20 01:44:23,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:23,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48531561] [2020-10-20 01:44:23,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:23,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:23,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907064672] [2020-10-20 01:44:23,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:23,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:23,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:23,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:23,285 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2020-10-20 01:44:23,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:23,305 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-10-20 01:44:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:23,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:23,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:23,308 INFO L225 Difference]: With dead ends: 115 [2020-10-20 01:44:23,308 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 01:44:23,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:23,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 01:44:23,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 01:44:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 01:44:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-10-20 01:44:23,317 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-10-20 01:44:23,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:23,317 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-10-20 01:44:23,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-10-20 01:44:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:23,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:23,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:23,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:23,320 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:23,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:23,320 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2020-10-20 01:44:23,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:23,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137014039] [2020-10-20 01:44:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:23,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137014039] [2020-10-20 01:44:23,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:23,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:23,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755266298] [2020-10-20 01:44:23,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:23,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:23,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:23,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:23,459 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-10-20 01:44:23,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:23,545 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-10-20 01:44:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:23,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-20 01:44:23,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:23,547 INFO L225 Difference]: With dead ends: 115 [2020-10-20 01:44:23,547 INFO L226 Difference]: Without dead ends: 72 [2020-10-20 01:44:23,548 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 01:44:23,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-20 01:44:23,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-10-20 01:44:23,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-20 01:44:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2020-10-20 01:44:23,562 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2020-10-20 01:44:23,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:23,562 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2020-10-20 01:44:23,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:23,563 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2020-10-20 01:44:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:23,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:23,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:23,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:23,564 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:23,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:23,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2020-10-20 01:44:23,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:23,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627717157] [2020-10-20 01:44:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:23,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627717157] [2020-10-20 01:44:23,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:23,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:23,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539447000] [2020-10-20 01:44:23,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:23,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:23,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:23,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:23,637 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 3 states. [2020-10-20 01:44:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:23,678 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-10-20 01:44:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:23,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:44:23,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:23,680 INFO L225 Difference]: With dead ends: 151 [2020-10-20 01:44:23,680 INFO L226 Difference]: Without dead ends: 89 [2020-10-20 01:44:23,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:23,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-20 01:44:23,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-10-20 01:44:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-20 01:44:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2020-10-20 01:44:23,708 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2020-10-20 01:44:23,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:23,708 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2020-10-20 01:44:23,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2020-10-20 01:44:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:23,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:23,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:23,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:23,711 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:23,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:23,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2020-10-20 01:44:23,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:23,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723965622] [2020-10-20 01:44:23,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:23,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723965622] [2020-10-20 01:44:23,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:23,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:44:23,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626499139] [2020-10-20 01:44:23,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:44:23,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:23,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:44:23,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:23,810 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 8 states. [2020-10-20 01:44:24,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,333 INFO L93 Difference]: Finished difference Result 551 states and 808 transitions. [2020-10-20 01:44:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:44:24,334 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-20 01:44:24,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,338 INFO L225 Difference]: With dead ends: 551 [2020-10-20 01:44:24,338 INFO L226 Difference]: Without dead ends: 470 [2020-10-20 01:44:24,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-20 01:44:24,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-10-20 01:44:24,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 216. [2020-10-20 01:44:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-20 01:44:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2020-10-20 01:44:24,372 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2020-10-20 01:44:24,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,372 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2020-10-20 01:44:24,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:24,373 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2020-10-20 01:44:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-20 01:44:24,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,376 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2020-10-20 01:44:24,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:24,376 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,377 INFO L82 PathProgramCache]: Analyzing trace with hash 721993238, now seen corresponding path program 1 times [2020-10-20 01:44:24,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065377901] [2020-10-20 01:44:24,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065377901] [2020-10-20 01:44:24,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325420035] [2020-10-20 01:44:24,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:44:24,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:24,726 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:24,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-20 01:44:24,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166975909] [2020-10-20 01:44:24,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:24,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:24,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:24,729 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand 4 states. [2020-10-20 01:44:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,887 INFO L93 Difference]: Finished difference Result 483 states and 689 transitions. [2020-10-20 01:44:24,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:24,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-20 01:44:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,890 INFO L225 Difference]: With dead ends: 483 [2020-10-20 01:44:24,891 INFO L226 Difference]: Without dead ends: 332 [2020-10-20 01:44:24,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-20 01:44:24,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 320. [2020-10-20 01:44:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-20 01:44:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 453 transitions. [2020-10-20 01:44:24,925 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 453 transitions. Word has length 41 [2020-10-20 01:44:24,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,925 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 453 transitions. [2020-10-20 01:44:24,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 453 transitions. [2020-10-20 01:44:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-20 01:44:24,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,929 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:25,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-20 01:44:25,144 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1190058869, now seen corresponding path program 1 times [2020-10-20 01:44:25,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245942400] [2020-10-20 01:44:25,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:25,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245942400] [2020-10-20 01:44:25,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:25,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825431002] [2020-10-20 01:44:25,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:25,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:25,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:25,223 INFO L87 Difference]: Start difference. First operand 320 states and 453 transitions. Second operand 5 states. [2020-10-20 01:44:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,350 INFO L93 Difference]: Finished difference Result 998 states and 1404 transitions. [2020-10-20 01:44:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:25,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-10-20 01:44:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,355 INFO L225 Difference]: With dead ends: 998 [2020-10-20 01:44:25,356 INFO L226 Difference]: Without dead ends: 684 [2020-10-20 01:44:25,357 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 01:44:25,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-10-20 01:44:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 341. [2020-10-20 01:44:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-20 01:44:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 474 transitions. [2020-10-20 01:44:25,389 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 474 transitions. Word has length 50 [2020-10-20 01:44:25,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,389 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 474 transitions. [2020-10-20 01:44:25,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 474 transitions. [2020-10-20 01:44:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-20 01:44:25,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,392 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:25,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:25,393 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1212691123, now seen corresponding path program 1 times [2020-10-20 01:44:25,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335492983] [2020-10-20 01:44:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:25,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335492983] [2020-10-20 01:44:25,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:44:25,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095363810] [2020-10-20 01:44:25,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:25,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:25,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:25,487 INFO L87 Difference]: Start difference. First operand 341 states and 474 transitions. Second operand 6 states. [2020-10-20 01:44:25,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,633 INFO L93 Difference]: Finished difference Result 849 states and 1180 transitions. [2020-10-20 01:44:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:44:25,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-10-20 01:44:25,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,637 INFO L225 Difference]: With dead ends: 849 [2020-10-20 01:44:25,638 INFO L226 Difference]: Without dead ends: 514 [2020-10-20 01:44:25,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:44:25,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-10-20 01:44:25,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 310. [2020-10-20 01:44:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-20 01:44:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 426 transitions. [2020-10-20 01:44:25,666 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 426 transitions. Word has length 50 [2020-10-20 01:44:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,667 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 426 transitions. [2020-10-20 01:44:25,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 426 transitions. [2020-10-20 01:44:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:44:25,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:25,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:25,669 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1185279855, now seen corresponding path program 1 times [2020-10-20 01:44:25,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104783233] [2020-10-20 01:44:25,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:25,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104783233] [2020-10-20 01:44:25,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:25,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723479038] [2020-10-20 01:44:25,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:25,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:25,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:25,776 INFO L87 Difference]: Start difference. First operand 310 states and 426 transitions. Second operand 5 states. [2020-10-20 01:44:25,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,895 INFO L93 Difference]: Finished difference Result 1140 states and 1590 transitions. [2020-10-20 01:44:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:25,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-20 01:44:25,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,900 INFO L225 Difference]: With dead ends: 1140 [2020-10-20 01:44:25,900 INFO L226 Difference]: Without dead ends: 878 [2020-10-20 01:44:25,901 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 01:44:25,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-10-20 01:44:25,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 316. [2020-10-20 01:44:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-20 01:44:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2020-10-20 01:44:25,937 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 51 [2020-10-20 01:44:25,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,939 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2020-10-20 01:44:25,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2020-10-20 01:44:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:44:25,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,942 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:25,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:25,943 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,943 INFO L82 PathProgramCache]: Analyzing trace with hash 792252845, now seen corresponding path program 1 times [2020-10-20 01:44:25,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404102944] [2020-10-20 01:44:25,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:26,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404102944] [2020-10-20 01:44:26,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:26,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709802628] [2020-10-20 01:44:26,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:26,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:26,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:26,048 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand 5 states. [2020-10-20 01:44:26,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,255 INFO L93 Difference]: Finished difference Result 838 states and 1149 transitions. [2020-10-20 01:44:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:26,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-20 01:44:26,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,261 INFO L225 Difference]: With dead ends: 838 [2020-10-20 01:44:26,261 INFO L226 Difference]: Without dead ends: 836 [2020-10-20 01:44:26,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 01:44:26,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-10-20 01:44:26,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 316. [2020-10-20 01:44:26,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-20 01:44:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 427 transitions. [2020-10-20 01:44:26,309 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 427 transitions. Word has length 51 [2020-10-20 01:44:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,309 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 427 transitions. [2020-10-20 01:44:26,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 427 transitions. [2020-10-20 01:44:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-20 01:44:26,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:26,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:44:26,311 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1433113943, now seen corresponding path program 1 times [2020-10-20 01:44:26,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417339504] [2020-10-20 01:44:26,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417339504] [2020-10-20 01:44:26,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946447330] [2020-10-20 01:44:26,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:26,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:26,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-20 01:44:26,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305124029] [2020-10-20 01:44:26,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:26,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:26,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:26,587 INFO L87 Difference]: Start difference. First operand 316 states and 427 transitions. Second operand 6 states. [2020-10-20 01:44:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,889 INFO L93 Difference]: Finished difference Result 704 states and 951 transitions. [2020-10-20 01:44:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:26,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-10-20 01:44:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,892 INFO L225 Difference]: With dead ends: 704 [2020-10-20 01:44:26,893 INFO L226 Difference]: Without dead ends: 436 [2020-10-20 01:44:26,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:26,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-10-20 01:44:26,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 278. [2020-10-20 01:44:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-10-20 01:44:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 369 transitions. [2020-10-20 01:44:26,920 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 369 transitions. Word has length 52 [2020-10-20 01:44:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,921 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 369 transitions. [2020-10-20 01:44:26,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 369 transitions. [2020-10-20 01:44:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-20 01:44:26,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,922 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:44:27,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:27,138 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,139 INFO L82 PathProgramCache]: Analyzing trace with hash 2063034232, now seen corresponding path program 2 times [2020-10-20 01:44:27,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207504961] [2020-10-20 01:44:27,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:27,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207504961] [2020-10-20 01:44:27,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:27,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101352344] [2020-10-20 01:44:27,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:27,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:27,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:27,254 INFO L87 Difference]: Start difference. First operand 278 states and 369 transitions. Second operand 5 states. [2020-10-20 01:44:27,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,554 INFO L93 Difference]: Finished difference Result 818 states and 1103 transitions. [2020-10-20 01:44:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:27,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-10-20 01:44:27,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,558 INFO L225 Difference]: With dead ends: 818 [2020-10-20 01:44:27,559 INFO L226 Difference]: Without dead ends: 587 [2020-10-20 01:44:27,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:27,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-10-20 01:44:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 379. [2020-10-20 01:44:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-10-20 01:44:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 503 transitions. [2020-10-20 01:44:27,596 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 503 transitions. Word has length 73 [2020-10-20 01:44:27,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,596 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 503 transitions. [2020-10-20 01:44:27,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:27,597 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 503 transitions. [2020-10-20 01:44:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-20 01:44:27,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,598 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:44:27,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:44:27,599 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1957173450, now seen corresponding path program 1 times [2020-10-20 01:44:27,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204947029] [2020-10-20 01:44:27,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:27,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204947029] [2020-10-20 01:44:27,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:44:27,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648348073] [2020-10-20 01:44:27,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:44:27,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:44:27,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:27,673 INFO L87 Difference]: Start difference. First operand 379 states and 503 transitions. Second operand 7 states. [2020-10-20 01:44:27,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,779 INFO L93 Difference]: Finished difference Result 723 states and 960 transitions. [2020-10-20 01:44:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:44:27,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-10-20 01:44:27,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,780 INFO L225 Difference]: With dead ends: 723 [2020-10-20 01:44:27,780 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:27,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:27,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:27,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-10-20 01:44:27,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,784 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:27,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:44:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:27,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:27,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:44:27,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:28,200 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 145 [2020-10-20 01:44:28,681 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 157 [2020-10-20 01:44:29,210 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 160 [2020-10-20 01:44:29,558 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 165 [2020-10-20 01:44:29,723 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 91 [2020-10-20 01:44:29,898 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 83 [2020-10-20 01:44:30,058 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 120 [2020-10-20 01:44:30,301 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 160 [2020-10-20 01:44:30,700 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 23 [2020-10-20 01:44:30,844 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2020-10-20 01:44:31,345 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-10-20 01:44:32,043 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 33 [2020-10-20 01:44:32,628 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-10-20 01:44:32,908 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2020-10-20 01:44:33,017 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-10-20 01:44:33,201 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 13 [2020-10-20 01:44:33,509 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-10-20 01:44:34,109 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 33 [2020-10-20 01:44:34,117 INFO L270 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2020-10-20 01:44:34,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:34,118 INFO L270 CegarLoopResult]: At program point L168(lines 167 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2020-10-20 01:44:34,118 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-10-20 01:44:34,118 INFO L270 CegarLoopResult]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2020-10-20 01:44:34,118 INFO L270 CegarLoopResult]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2020-10-20 01:44:34,119 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:34,119 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:34,119 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:34,119 INFO L274 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-10-20 01:44:34,119 INFO L270 CegarLoopResult]: At program point L334(lines 319 337) the Hoare annotation is: false [2020-10-20 01:44:34,121 INFO L270 CegarLoopResult]: At program point L334-1(lines 319 337) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-10-20 01:44:34,121 INFO L270 CegarLoopResult]: At program point L334-2(lines 319 337) the Hoare annotation is: false [2020-10-20 01:44:34,121 INFO L270 CegarLoopResult]: At program point L334-3(lines 319 337) the Hoare annotation is: false [2020-10-20 01:44:34,121 INFO L270 CegarLoopResult]: At program point L334-4(lines 319 337) the Hoare annotation is: false [2020-10-20 01:44:34,121 INFO L270 CegarLoopResult]: At program point L334-5(lines 319 337) the Hoare annotation is: false [2020-10-20 01:44:34,121 INFO L274 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-10-20 01:44:34,122 INFO L270 CegarLoopResult]: At program point L402-1(lines 402 408) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)))) [2020-10-20 01:44:34,122 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:44:34,122 INFO L274 CegarLoopResult]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:44:34,122 INFO L270 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-10-20 01:44:34,122 INFO L274 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:44:34,122 INFO L270 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2020-10-20 01:44:34,122 INFO L274 CegarLoopResult]: For program point L204-3(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:44:34,123 INFO L270 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-10-20 01:44:34,123 INFO L274 CegarLoopResult]: For program point L204-4(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:44:34,123 INFO L270 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-10-20 01:44:34,123 INFO L274 CegarLoopResult]: For program point L204-5(lines 204 212) no Hoare annotation was computed. [2020-10-20 01:44:34,124 INFO L270 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-10-20 01:44:34,124 INFO L270 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-10-20 01:44:34,124 INFO L274 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-10-20 01:44:34,124 INFO L274 CegarLoopResult]: For program point L832-1(lines 168 174) no Hoare annotation was computed. [2020-10-20 01:44:34,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:34,125 INFO L270 CegarLoopResult]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-10-20 01:44:34,125 INFO L270 CegarLoopResult]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2020-10-20 01:44:34,125 INFO L270 CegarLoopResult]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2020-10-20 01:44:34,125 INFO L274 CegarLoopResult]: For program point L968(lines 968 981) no Hoare annotation was computed. [2020-10-20 01:44:34,126 INFO L270 CegarLoopResult]: At program point L968-1(lines 1 984) the Hoare annotation is: (let ((.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse6 .cse1 .cse2 .cse5))) [2020-10-20 01:44:34,126 INFO L274 CegarLoopResult]: For program point L902(lines 902 909) no Hoare annotation was computed. [2020-10-20 01:44:34,126 INFO L274 CegarLoopResult]: For program point L968-2(lines 968 981) no Hoare annotation was computed. [2020-10-20 01:44:34,126 INFO L270 CegarLoopResult]: At program point L968-3(lines 1 984) the Hoare annotation is: false [2020-10-20 01:44:34,126 INFO L277 CegarLoopResult]: At program point L902-1(lines 902 909) the Hoare annotation is: true [2020-10-20 01:44:34,127 INFO L274 CegarLoopResult]: For program point L968-4(lines 968 981) no Hoare annotation was computed. [2020-10-20 01:44:34,127 INFO L270 CegarLoopResult]: At program point L968-5(lines 1 984) the Hoare annotation is: false [2020-10-20 01:44:34,127 INFO L270 CegarLoopResult]: At program point L442(lines 391 443) the Hoare annotation is: false [2020-10-20 01:44:34,127 INFO L270 CegarLoopResult]: At program point L938(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:44:34,127 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-10-20 01:44:34,127 INFO L274 CegarLoopResult]: For program point L972(lines 972 978) no Hoare annotation was computed. [2020-10-20 01:44:34,128 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 978) no Hoare annotation was computed. [2020-10-20 01:44:34,128 INFO L274 CegarLoopResult]: For program point L972-4(lines 972 978) no Hoare annotation was computed. [2020-10-20 01:44:34,128 INFO L270 CegarLoopResult]: At program point L279(lines 274 282) the Hoare annotation is: false [2020-10-20 01:44:34,128 INFO L270 CegarLoopResult]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2020-10-20 01:44:34,128 INFO L270 CegarLoopResult]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2020-10-20 01:44:34,128 INFO L274 CegarLoopResult]: For program point L412(lines 412 418) no Hoare annotation was computed. [2020-10-20 01:44:34,129 INFO L270 CegarLoopResult]: At program point L412-1(lines 412 418) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)))) [2020-10-20 01:44:34,129 INFO L270 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:34,129 INFO L270 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-10-20 01:44:34,129 INFO L270 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-10-20 01:44:34,130 INFO L274 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-10-20 01:44:34,130 INFO L274 CegarLoopResult]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2020-10-20 01:44:34,130 INFO L274 CegarLoopResult]: For program point L347-3(lines 347 351) no Hoare annotation was computed. [2020-10-20 01:44:34,130 INFO L274 CegarLoopResult]: For program point L347-5(lines 347 351) no Hoare annotation was computed. [2020-10-20 01:44:34,130 INFO L274 CegarLoopResult]: For program point L347-6(lines 347 351) no Hoare annotation was computed. [2020-10-20 01:44:34,130 INFO L274 CegarLoopResult]: For program point L347-8(lines 347 351) no Hoare annotation was computed. [2020-10-20 01:44:34,131 INFO L270 CegarLoopResult]: At program point L876(lines 872 878) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:34,131 INFO L277 CegarLoopResult]: At program point L911(lines 892 914) the Hoare annotation is: true [2020-10-20 01:44:34,131 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:34,131 INFO L270 CegarLoopResult]: At program point L946(lines 941 949) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:34,131 INFO L270 CegarLoopResult]: At program point L353(lines 338 356) the Hoare annotation is: (and (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~8 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 0))) [2020-10-20 01:44:34,132 INFO L270 CegarLoopResult]: At program point L353-1(lines 338 356) the Hoare annotation is: false [2020-10-20 01:44:34,132 INFO L270 CegarLoopResult]: At program point L353-2(lines 338 356) the Hoare annotation is: false [2020-10-20 01:44:34,132 INFO L274 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-10-20 01:44:34,132 INFO L274 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-10-20 01:44:34,132 INFO L274 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-10-20 01:44:34,132 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:34,133 INFO L274 CegarLoopResult]: For program point L422(lines 422 437) no Hoare annotation was computed. [2020-10-20 01:44:34,133 INFO L270 CegarLoopResult]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:34,133 INFO L270 CegarLoopResult]: At program point L125-1(lines 120 128) the Hoare annotation is: false [2020-10-20 01:44:34,133 INFO L270 CegarLoopResult]: At program point L125-2(lines 120 128) the Hoare annotation is: false [2020-10-20 01:44:34,133 INFO L274 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-10-20 01:44:34,134 INFO L274 CegarLoopResult]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2020-10-20 01:44:34,134 INFO L274 CegarLoopResult]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2020-10-20 01:44:34,134 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:34,134 INFO L274 CegarLoopResult]: For program point L393(lines 392 441) no Hoare annotation was computed. [2020-10-20 01:44:34,134 INFO L274 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2020-10-20 01:44:34,134 INFO L274 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-10-20 01:44:34,135 INFO L274 CegarLoopResult]: For program point L955-2(line 955) no Hoare annotation was computed. [2020-10-20 01:44:34,135 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-10-20 01:44:34,135 INFO L274 CegarLoopResult]: For program point L361(lines 361 367) no Hoare annotation was computed. [2020-10-20 01:44:34,135 INFO L270 CegarLoopResult]: At program point L361-1(lines 361 367) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:44:34,135 INFO L274 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,135 INFO L274 CegarLoopResult]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,136 INFO L274 CegarLoopResult]: For program point L328-3(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,136 INFO L274 CegarLoopResult]: For program point L328-5(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,136 INFO L274 CegarLoopResult]: For program point L328-6(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,136 INFO L274 CegarLoopResult]: For program point L328-8(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,136 INFO L274 CegarLoopResult]: For program point L328-9(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,136 INFO L274 CegarLoopResult]: For program point L328-11(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,137 INFO L274 CegarLoopResult]: For program point L328-12(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,137 INFO L274 CegarLoopResult]: For program point L328-14(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,137 INFO L274 CegarLoopResult]: For program point L328-15(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,137 INFO L274 CegarLoopResult]: For program point L328-17(lines 328 332) no Hoare annotation was computed. [2020-10-20 01:44:34,137 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-10-20 01:44:34,137 INFO L274 CegarLoopResult]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2020-10-20 01:44:34,138 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-10-20 01:44:34,138 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:34,138 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:34,138 INFO L274 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-10-20 01:44:34,139 INFO L270 CegarLoopResult]: At program point L430-1(lines 168 174) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-10-20 01:44:34,139 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-10-20 01:44:34,139 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-10-20 01:44:34,139 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-10-20 01:44:34,139 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-10-20 01:44:34,139 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-10-20 01:44:34,140 INFO L274 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-10-20 01:44:34,140 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:44:34,140 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:44:34,140 INFO L274 CegarLoopResult]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:44:34,140 INFO L274 CegarLoopResult]: For program point L200-3(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:44:34,141 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-10-20 01:44:34,141 INFO L274 CegarLoopResult]: For program point L200-4(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:44:34,141 INFO L274 CegarLoopResult]: For program point L200-5(lines 200 217) no Hoare annotation was computed. [2020-10-20 01:44:34,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:34 BoogieIcfgContainer [2020-10-20 01:44:34,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:34,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:34,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:34,171 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:34,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:22" (3/4) ... [2020-10-20 01:44:34,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:34,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:34,198 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:34,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:34,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:34,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:34,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:34,203 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:34,244 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:44:34,245 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:44:34,245 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:34,246 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2020-10-20 01:44:34,246 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2020-10-20 01:44:34,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:34,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:34,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:34,248 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:34,249 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) [2020-10-20 01:44:34,250 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-10-20 01:44:34,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:44:34,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp == 1) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && !(tmp___0 == 0) [2020-10-20 01:44:34,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && !(\result == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-20 01:44:34,354 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:34,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:34,356 INFO L168 Benchmark]: Toolchain (without parser) took 13579.50 ms. Allocated memory was 41.9 MB in the beginning and 124.3 MB in the end (delta: 82.3 MB). Free memory was 19.2 MB in the beginning and 91.5 MB in the end (delta: -72.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:34,356 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.7 MB in the end (delta: 63.0 kB). Peak memory consumption was 63.0 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:34,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.65 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 18.4 MB in the beginning and 20.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:34,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.41 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 16.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:34,359 INFO L168 Benchmark]: Boogie Preprocessor took 45.55 ms. Allocated memory is still 44.0 MB. Free memory was 16.8 MB in the beginning and 14.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:34,360 INFO L168 Benchmark]: RCFGBuilder took 1097.97 ms. Allocated memory was 44.0 MB in the beginning and 48.8 MB in the end (delta: 4.7 MB). Free memory was 13.8 MB in the beginning and 22.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:34,360 INFO L168 Benchmark]: TraceAbstraction took 11583.19 ms. Allocated memory was 48.8 MB in the beginning and 122.2 MB in the end (delta: 73.4 MB). Free memory was 22.0 MB in the beginning and 18.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 83.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:34,361 INFO L168 Benchmark]: Witness Printer took 184.12 ms. Allocated memory was 122.2 MB in the beginning and 124.3 MB in the end (delta: 2.1 MB). Free memory was 18.4 MB in the beginning and 91.5 MB in the end (delta: -73.1 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:34,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.7 MB in the end (delta: 63.0 kB). Peak memory consumption was 63.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 583.65 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 18.4 MB in the beginning and 20.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 73.41 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 16.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 45.55 ms. Allocated memory is still 44.0 MB. Free memory was 16.8 MB in the beginning and 14.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1097.97 ms. Allocated memory was 44.0 MB in the beginning and 48.8 MB in the end (delta: 4.7 MB). Free memory was 13.8 MB in the beginning and 22.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 11583.19 ms. Allocated memory was 48.8 MB in the beginning and 122.2 MB in the end (delta: 73.4 MB). Free memory was 22.0 MB in the beginning and 18.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 83.3 MB. Max. memory is 14.3 GB. * Witness Printer took 184.12 ms. Allocated memory was 122.2 MB in the beginning and 124.3 MB in the end (delta: 2.1 MB). Free memory was 18.4 MB in the beginning and 91.5 MB in the end (delta: -73.1 MB). Peak memory consumption was 2.9 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: 175]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && !(\result == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp == 1) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && !(tmp___0 == 0) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1425 SDtfs, 2622 SDslu, 2427 SDs, 0 SdLazy, 409 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 2267 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 184 NumberOfFragments, 598 HoareAnnotationTreeSize, 44 FomulaSimplifications, 2563765 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 97267 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 49139 SizeOfPredicates, 4 NumberOfNonLiveVariables, 814 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 201/212 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...