./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product49.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 b00f2b5e86cdb554aa1013f25ad23bb3779c67ba ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:45:12,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:12,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:12,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:12,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:12,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:12,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:12,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:12,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:12,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:12,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:12,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:12,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:12,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:12,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:12,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:12,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:12,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:12,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:12,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:12,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:12,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:12,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:12,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:12,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:12,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:12,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:12,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:12,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:12,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:12,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:12,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:12,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:12,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:12,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:12,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:12,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:12,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:12,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:12,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:12,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:12,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:12,603 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:12,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:12,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:12,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:12,605 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:12,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:12,605 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:12,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:12,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:12,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:12,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:12,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:12,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:12,607 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:12,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:12,607 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:12,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:12,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:12,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:12,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:12,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:12,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:12,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:12,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:12,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:12,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:12,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:12,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:12,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:12,610 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 -> b00f2b5e86cdb554aa1013f25ad23bb3779c67ba [2020-10-20 01:45:12,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:12,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:12,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:12,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:12,836 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:12,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2020-10-20 01:45:12,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1e42cae/78f96c046e774ff19880f759d9ae702a/FLAG481308210 [2020-10-20 01:45:13,523 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:13,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2020-10-20 01:45:13,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1e42cae/78f96c046e774ff19880f759d9ae702a/FLAG481308210 [2020-10-20 01:45:13,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be1e42cae/78f96c046e774ff19880f759d9ae702a [2020-10-20 01:45:13,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:13,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:13,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:13,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:13,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:13,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:13" (1/1) ... [2020-10-20 01:45:13,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@940be2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:13, skipping insertion in model container [2020-10-20 01:45:13,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:13" (1/1) ... [2020-10-20 01:45:13,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:13,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:14,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:14,318 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:14,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:14,506 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:14,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14 WrapperNode [2020-10-20 01:45:14,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:14,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:14,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:14,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:14,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:14,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:14,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:14,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:14,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... [2020-10-20 01:45:14,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:14,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:14,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:14,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:14,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:15,680 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:15,680 INFO L298 CfgBuilder]: Removed 176 assume(true) statements. [2020-10-20 01:45:15,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:15 BoogieIcfgContainer [2020-10-20 01:45:15,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:15,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:15,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:15,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:15,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:13" (1/3) ... [2020-10-20 01:45:15,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb689c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:15, skipping insertion in model container [2020-10-20 01:45:15,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:14" (2/3) ... [2020-10-20 01:45:15,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb689c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:15, skipping insertion in model container [2020-10-20 01:45:15,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:15" (3/3) ... [2020-10-20 01:45:15,692 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-10-20 01:45:15,705 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:15,713 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:15,727 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:15,752 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:15,753 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:15,753 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:15,753 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:15,753 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:15,753 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:15,754 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:15,754 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-10-20 01:45:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:15,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:15,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:15,781 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:15,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:15,786 INFO L82 PathProgramCache]: Analyzing trace with hash 2010350306, now seen corresponding path program 1 times [2020-10-20 01:45:15,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:15,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343883185] [2020-10-20 01:45:15,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:16,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343883185] [2020-10-20 01:45:16,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:16,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:16,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528274994] [2020-10-20 01:45:16,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:16,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:16,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:16,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:16,120 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-10-20 01:45:16,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:16,156 INFO L93 Difference]: Finished difference Result 248 states and 373 transitions. [2020-10-20 01:45:16,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:16,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:16,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:16,172 INFO L225 Difference]: With dead ends: 248 [2020-10-20 01:45:16,173 INFO L226 Difference]: Without dead ends: 122 [2020-10-20 01:45:16,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:16,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-20 01:45:16,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-20 01:45:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-20 01:45:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2020-10-20 01:45:16,220 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2020-10-20 01:45:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:16,221 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2020-10-20 01:45:16,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2020-10-20 01:45:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:16,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:16,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:16,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:16,223 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:16,224 INFO L82 PathProgramCache]: Analyzing trace with hash -478597437, now seen corresponding path program 1 times [2020-10-20 01:45:16,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:16,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838912118] [2020-10-20 01:45:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:16,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838912118] [2020-10-20 01:45:16,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:16,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:16,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144605809] [2020-10-20 01:45:16,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:16,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:16,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:16,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:16,341 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2020-10-20 01:45:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:16,357 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2020-10-20 01:45:16,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:16,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:16,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:16,358 INFO L225 Difference]: With dead ends: 122 [2020-10-20 01:45:16,359 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 01:45:16,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:16,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 01:45:16,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-20 01:45:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-20 01:45:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-10-20 01:45:16,376 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-10-20 01:45:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:16,377 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-10-20 01:45:16,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-10-20 01:45:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:16,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:16,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:16,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:16,380 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:16,380 INFO L82 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2020-10-20 01:45:16,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:16,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571566457] [2020-10-20 01:45:16,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:16,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571566457] [2020-10-20 01:45:16,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:16,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:16,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969356151] [2020-10-20 01:45:16,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:45:16,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:16,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:45:16,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:45:16,532 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 6 states. [2020-10-20 01:45:16,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:16,683 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2020-10-20 01:45:16,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:45:16,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-20 01:45:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:16,688 INFO L225 Difference]: With dead ends: 95 [2020-10-20 01:45:16,688 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 01:45:16,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:16,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 01:45:16,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-20 01:45:16,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-20 01:45:16,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-10-20 01:45:16,701 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2020-10-20 01:45:16,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:16,702 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-10-20 01:45:16,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:45:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-10-20 01:45:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:45:16,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:16,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:16,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:16,705 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:16,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:16,706 INFO L82 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2020-10-20 01:45:16,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:16,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353057919] [2020-10-20 01:45:16,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:16,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353057919] [2020-10-20 01:45:16,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:16,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:16,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200749405] [2020-10-20 01:45:16,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:16,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:16,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:16,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:16,789 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-10-20 01:45:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:16,831 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2020-10-20 01:45:16,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:16,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-20 01:45:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:16,832 INFO L225 Difference]: With dead ends: 119 [2020-10-20 01:45:16,832 INFO L226 Difference]: Without dead ends: 75 [2020-10-20 01:45:16,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:16,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-20 01:45:16,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-10-20 01:45:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-20 01:45:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-10-20 01:45:16,843 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2020-10-20 01:45:16,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:16,843 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-10-20 01:45:16,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:16,843 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-10-20 01:45:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:16,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:16,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:16,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:16,846 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:16,846 INFO L82 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2020-10-20 01:45:16,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:16,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758572342] [2020-10-20 01:45:16,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:16,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758572342] [2020-10-20 01:45:16,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:16,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:16,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193682004] [2020-10-20 01:45:16,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:45:16,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:16,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:45:16,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:45:16,948 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2020-10-20 01:45:17,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:17,067 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2020-10-20 01:45:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:45:17,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-20 01:45:17,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:17,070 INFO L225 Difference]: With dead ends: 263 [2020-10-20 01:45:17,070 INFO L226 Difference]: Without dead ends: 197 [2020-10-20 01:45:17,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:45:17,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-20 01:45:17,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2020-10-20 01:45:17,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-20 01:45:17,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2020-10-20 01:45:17,086 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2020-10-20 01:45:17,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:17,086 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2020-10-20 01:45:17,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:45:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2020-10-20 01:45:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:17,088 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:17,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:17,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:17,089 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:17,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:17,089 INFO L82 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2020-10-20 01:45:17,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:17,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999775418] [2020-10-20 01:45:17,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:17,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999775418] [2020-10-20 01:45:17,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:17,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:17,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818170256] [2020-10-20 01:45:17,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:17,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:17,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:17,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:17,169 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2020-10-20 01:45:17,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:17,261 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2020-10-20 01:45:17,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:17,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:17,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:17,263 INFO L225 Difference]: With dead ends: 202 [2020-10-20 01:45:17,263 INFO L226 Difference]: Without dead ends: 132 [2020-10-20 01:45:17,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:17,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-10-20 01:45:17,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2020-10-20 01:45:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-20 01:45:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2020-10-20 01:45:17,276 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2020-10-20 01:45:17,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:17,277 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2020-10-20 01:45:17,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2020-10-20 01:45:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:17,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:17,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:17,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:17,280 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:17,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:17,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2020-10-20 01:45:17,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:17,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337581216] [2020-10-20 01:45:17,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:17,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337581216] [2020-10-20 01:45:17,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:17,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:17,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954278961] [2020-10-20 01:45:17,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:17,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:17,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:17,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:17,343 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2020-10-20 01:45:17,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:17,486 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2020-10-20 01:45:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:17,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-20 01:45:17,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:17,489 INFO L225 Difference]: With dead ends: 282 [2020-10-20 01:45:17,489 INFO L226 Difference]: Without dead ends: 206 [2020-10-20 01:45:17,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:17,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-20 01:45:17,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2020-10-20 01:45:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-20 01:45:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2020-10-20 01:45:17,503 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2020-10-20 01:45:17,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:17,503 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2020-10-20 01:45:17,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2020-10-20 01:45:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:45:17,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:17,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:17,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:17,506 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:17,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:17,506 INFO L82 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2020-10-20 01:45:17,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:17,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372898142] [2020-10-20 01:45:17,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:17,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372898142] [2020-10-20 01:45:17,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:17,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:17,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048003280] [2020-10-20 01:45:17,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:17,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:17,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:17,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:17,554 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2020-10-20 01:45:17,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:17,586 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2020-10-20 01:45:17,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:17,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:45:17,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:17,588 INFO L225 Difference]: With dead ends: 185 [2020-10-20 01:45:17,588 INFO L226 Difference]: Without dead ends: 110 [2020-10-20 01:45:17,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:17,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-20 01:45:17,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-20 01:45:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-20 01:45:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2020-10-20 01:45:17,630 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2020-10-20 01:45:17,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:17,630 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2020-10-20 01:45:17,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:17,631 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2020-10-20 01:45:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-20 01:45:17,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:17,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:17,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:17,633 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:17,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:17,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2020-10-20 01:45:17,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:17,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363723978] [2020-10-20 01:45:17,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:17,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363723978] [2020-10-20 01:45:17,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:17,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:17,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374496734] [2020-10-20 01:45:17,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:17,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:17,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:17,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:17,742 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 7 states. [2020-10-20 01:45:18,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:18,101 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2020-10-20 01:45:18,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:18,101 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-10-20 01:45:18,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:18,105 INFO L225 Difference]: With dead ends: 524 [2020-10-20 01:45:18,105 INFO L226 Difference]: Without dead ends: 449 [2020-10-20 01:45:18,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:18,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-10-20 01:45:18,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2020-10-20 01:45:18,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-20 01:45:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2020-10-20 01:45:18,134 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2020-10-20 01:45:18,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:18,134 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2020-10-20 01:45:18,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2020-10-20 01:45:18,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:45:18,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:18,136 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:18,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:18,137 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:18,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:18,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1709075204, now seen corresponding path program 1 times [2020-10-20 01:45:18,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:18,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214095695] [2020-10-20 01:45:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:18,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214095695] [2020-10-20 01:45:18,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083204830] [2020-10-20 01:45:18,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:45:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:18,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:18,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:18,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:18,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-20 01:45:18,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110645166] [2020-10-20 01:45:18,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 01:45:18,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:18,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 01:45:18,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-20 01:45:18,511 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand 10 states. [2020-10-20 01:45:18,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:18,901 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2020-10-20 01:45:18,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:18,902 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-20 01:45:18,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:18,902 INFO L225 Difference]: With dead ends: 434 [2020-10-20 01:45:18,902 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:18,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-20 01:45:18,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:18,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:18,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:18,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-20 01:45:18,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:18,905 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:18,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 01:45:18,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:18,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:19,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:19,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:19,304 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-10-20 01:45:20,030 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-10-20 01:45:20,192 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-10-20 01:45:20,674 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2020-10-20 01:45:20,799 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2020-10-20 01:45:20,980 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 24 [2020-10-20 01:45:21,131 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-20 01:45:21,253 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2020-10-20 01:45:21,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:21,339 INFO L277 CegarLoopResult]: At program point L531(lines 512 534) the Hoare annotation is: true [2020-10-20 01:45:21,339 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:21,339 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:21,339 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:21,339 INFO L274 CegarLoopResult]: For program point L268(lines 267 312) no Hoare annotation was computed. [2020-10-20 01:45:21,339 INFO L270 CegarLoopResult]: At program point L566(lines 561 569) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:21,340 INFO L274 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-10-20 01:45:21,340 INFO L270 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-20 01:45:21,342 INFO L270 CegarLoopResult]: At program point L71-1(lines 71 77) the Hoare annotation is: false [2020-10-20 01:45:21,342 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 77) the Hoare annotation is: false [2020-10-20 01:45:21,342 INFO L274 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-10-20 01:45:21,342 INFO L274 CegarLoopResult]: For program point L303-2(lines 297 308) no Hoare annotation was computed. [2020-10-20 01:45:21,342 INFO L274 CegarLoopResult]: For program point L964(lines 964 981) no Hoare annotation was computed. [2020-10-20 01:45:21,342 INFO L270 CegarLoopResult]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-20 01:45:21,343 INFO L274 CegarLoopResult]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2020-10-20 01:45:21,343 INFO L270 CegarLoopResult]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2020-10-20 01:45:21,343 INFO L274 CegarLoopResult]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2020-10-20 01:45:21,344 INFO L270 CegarLoopResult]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2020-10-20 01:45:21,344 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:21,344 INFO L274 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-10-20 01:45:21,344 INFO L274 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-10-20 01:45:21,344 INFO L274 CegarLoopResult]: For program point L406-2(lines 406 412) no Hoare annotation was computed. [2020-10-20 01:45:21,345 INFO L274 CegarLoopResult]: For program point L406-3(lines 406 412) no Hoare annotation was computed. [2020-10-20 01:45:21,345 INFO L274 CegarLoopResult]: For program point L406-4(lines 406 412) no Hoare annotation was computed. [2020-10-20 01:45:21,346 INFO L274 CegarLoopResult]: For program point L406-5(lines 406 412) no Hoare annotation was computed. [2020-10-20 01:45:21,348 INFO L270 CegarLoopResult]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-10-20 01:45:21,348 INFO L270 CegarLoopResult]: At program point L175-1(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:45:21,348 INFO L270 CegarLoopResult]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2020-10-20 01:45:21,348 INFO L270 CegarLoopResult]: At program point L175-3(lines 170 178) the Hoare annotation is: false [2020-10-20 01:45:21,349 INFO L270 CegarLoopResult]: At program point L175-4(lines 170 178) the Hoare annotation is: false [2020-10-20 01:45:21,349 INFO L270 CegarLoopResult]: At program point L175-5(lines 170 178) the Hoare annotation is: false [2020-10-20 01:45:21,349 INFO L274 CegarLoopResult]: For program point L968(lines 968 978) no Hoare annotation was computed. [2020-10-20 01:45:21,349 INFO L274 CegarLoopResult]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2020-10-20 01:45:21,349 INFO L274 CegarLoopResult]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2020-10-20 01:45:21,349 INFO L274 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-10-20 01:45:21,349 INFO L274 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2020-10-20 01:45:21,349 INFO L274 CegarLoopResult]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2020-10-20 01:45:21,350 INFO L274 CegarLoopResult]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2020-10-20 01:45:21,350 INFO L274 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-10-20 01:45:21,350 INFO L274 CegarLoopResult]: For program point L243-2(lines 243 247) no Hoare annotation was computed. [2020-10-20 01:45:21,350 INFO L274 CegarLoopResult]: For program point L243-3(lines 243 247) no Hoare annotation was computed. [2020-10-20 01:45:21,351 INFO L274 CegarLoopResult]: For program point L243-5(lines 243 247) no Hoare annotation was computed. [2020-10-20 01:45:21,351 INFO L274 CegarLoopResult]: For program point L243-6(lines 243 247) no Hoare annotation was computed. [2020-10-20 01:45:21,351 INFO L274 CegarLoopResult]: For program point L243-8(lines 243 247) no Hoare annotation was computed. [2020-10-20 01:45:21,352 INFO L274 CegarLoopResult]: For program point L277(lines 277 283) no Hoare annotation was computed. [2020-10-20 01:45:21,352 INFO L270 CegarLoopResult]: At program point L277-1(lines 277 283) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse0 .cse1 .cse2 .cse3))) [2020-10-20 01:45:21,352 INFO L270 CegarLoopResult]: At program point L411(lines 402 415) the Hoare annotation is: false [2020-10-20 01:45:21,352 INFO L270 CegarLoopResult]: At program point L411-1(lines 402 415) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:21,352 INFO L270 CegarLoopResult]: At program point L411-2(lines 402 415) the Hoare annotation is: false [2020-10-20 01:45:21,352 INFO L270 CegarLoopResult]: At program point L411-3(lines 402 415) the Hoare annotation is: false [2020-10-20 01:45:21,353 INFO L270 CegarLoopResult]: At program point L411-4(lines 402 415) the Hoare annotation is: false [2020-10-20 01:45:21,353 INFO L270 CegarLoopResult]: At program point L411-5(lines 402 415) the Hoare annotation is: false [2020-10-20 01:45:21,353 INFO L270 CegarLoopResult]: At program point L313(lines 266 314) the Hoare annotation is: false [2020-10-20 01:45:21,353 INFO L270 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2020-10-20 01:45:21,353 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-20 01:45:21,353 INFO L270 CegarLoopResult]: At program point L249(lines 234 252) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:21,353 INFO L270 CegarLoopResult]: At program point L249-1(lines 234 252) the Hoare annotation is: false [2020-10-20 01:45:21,354 INFO L270 CegarLoopResult]: At program point L249-2(lines 234 252) the Hoare annotation is: false [2020-10-20 01:45:21,354 INFO L270 CegarLoopResult]: At program point L943(lines 938 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:21,354 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:21,354 INFO L274 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-10-20 01:45:21,354 INFO L274 CegarLoopResult]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2020-10-20 01:45:21,354 INFO L274 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-10-20 01:45:21,354 INFO L274 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2020-10-20 01:45:21,354 INFO L270 CegarLoopResult]: At program point L287-1(lines 287 293) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse0 .cse1 .cse2 .cse3))) [2020-10-20 01:45:21,355 INFO L274 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-10-20 01:45:21,355 INFO L274 CegarLoopResult]: For program point L122-1(lines 122 139) no Hoare annotation was computed. [2020-10-20 01:45:21,355 INFO L274 CegarLoopResult]: For program point L122-2(lines 122 139) no Hoare annotation was computed. [2020-10-20 01:45:21,355 INFO L270 CegarLoopResult]: At program point L421(lines 416 424) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:21,355 INFO L270 CegarLoopResult]: At program point L421-1(lines 416 424) the Hoare annotation is: false [2020-10-20 01:45:21,355 INFO L270 CegarLoopResult]: At program point L421-2(lines 416 424) the Hoare annotation is: false [2020-10-20 01:45:21,355 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:21,355 INFO L274 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,356 INFO L274 CegarLoopResult]: For program point L224-2(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,356 INFO L274 CegarLoopResult]: For program point L224-3(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,356 INFO L274 CegarLoopResult]: For program point L224-5(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,356 INFO L274 CegarLoopResult]: For program point L224-6(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,356 INFO L274 CegarLoopResult]: For program point L224-8(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,356 INFO L274 CegarLoopResult]: For program point L224-9(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,356 INFO L274 CegarLoopResult]: For program point L224-11(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,357 INFO L274 CegarLoopResult]: For program point L224-12(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,357 INFO L274 CegarLoopResult]: For program point L224-14(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,357 INFO L274 CegarLoopResult]: For program point L224-15(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,357 INFO L274 CegarLoopResult]: For program point L224-17(lines 224 228) no Hoare annotation was computed. [2020-10-20 01:45:21,358 INFO L274 CegarLoopResult]: For program point L522(lines 522 529) no Hoare annotation was computed. [2020-10-20 01:45:21,358 INFO L277 CegarLoopResult]: At program point L522-1(lines 522 529) the Hoare annotation is: true [2020-10-20 01:45:21,358 INFO L274 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-10-20 01:45:21,358 INFO L274 CegarLoopResult]: For program point L126-1(lines 126 134) no Hoare annotation was computed. [2020-10-20 01:45:21,358 INFO L274 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2020-10-20 01:45:21,358 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:21,358 INFO L270 CegarLoopResult]: At program point L953(lines 64 70) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-20 01:45:21,358 INFO L270 CegarLoopResult]: At program point L953-1(lines 64 70) the Hoare annotation is: false [2020-10-20 01:45:21,359 INFO L270 CegarLoopResult]: At program point L953-2(lines 64 70) the Hoare annotation is: false [2020-10-20 01:45:21,359 INFO L270 CegarLoopResult]: At program point L558(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:21,360 INFO L274 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-10-20 01:45:21,362 INFO L274 CegarLoopResult]: For program point L96-1(lines 96 113) no Hoare annotation was computed. [2020-10-20 01:45:21,362 INFO L274 CegarLoopResult]: For program point L96-2(lines 96 113) no Hoare annotation was computed. [2020-10-20 01:45:21,363 INFO L274 CegarLoopResult]: For program point L96-3(lines 96 113) no Hoare annotation was computed. [2020-10-20 01:45:21,363 INFO L274 CegarLoopResult]: For program point L96-4(lines 96 113) no Hoare annotation was computed. [2020-10-20 01:45:21,363 INFO L274 CegarLoopResult]: For program point L96-5(lines 96 113) no Hoare annotation was computed. [2020-10-20 01:45:21,363 INFO L270 CegarLoopResult]: At program point L64(lines 60 82) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-10-20 01:45:21,363 INFO L270 CegarLoopResult]: At program point L64-1(lines 60 82) the Hoare annotation is: false [2020-10-20 01:45:21,363 INFO L270 CegarLoopResult]: At program point L64-2(lines 60 82) the Hoare annotation is: false [2020-10-20 01:45:21,363 INFO L270 CegarLoopResult]: At program point L494(lines 490 496) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:45:21,364 INFO L274 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-10-20 01:45:21,364 INFO L270 CegarLoopResult]: At program point L230(lines 215 233) the Hoare annotation is: false [2020-10-20 01:45:21,364 INFO L274 CegarLoopResult]: For program point L329-3(lines 329 333) no Hoare annotation was computed. [2020-10-20 01:45:21,364 INFO L270 CegarLoopResult]: At program point L230-1(lines 215 233) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-10-20 01:45:21,364 INFO L270 CegarLoopResult]: At program point L230-2(lines 215 233) the Hoare annotation is: false [2020-10-20 01:45:21,364 INFO L270 CegarLoopResult]: At program point L230-3(lines 215 233) the Hoare annotation is: false [2020-10-20 01:45:21,364 INFO L274 CegarLoopResult]: For program point L329-6(lines 329 333) no Hoare annotation was computed. [2020-10-20 01:45:21,364 INFO L270 CegarLoopResult]: At program point L230-4(lines 215 233) the Hoare annotation is: false [2020-10-20 01:45:21,365 INFO L270 CegarLoopResult]: At program point L230-5(lines 215 233) the Hoare annotation is: false [2020-10-20 01:45:21,365 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:21,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:21,365 INFO L274 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2020-10-20 01:45:21,365 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-20 01:45:21,365 INFO L274 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-10-20 01:45:21,365 INFO L274 CegarLoopResult]: For program point L430-2(line 430) no Hoare annotation was computed. [2020-10-20 01:45:21,365 INFO L274 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-10-20 01:45:21,366 INFO L274 CegarLoopResult]: For program point L100-1(lines 100 108) no Hoare annotation was computed. [2020-10-20 01:45:21,366 INFO L274 CegarLoopResult]: For program point L100-2(lines 100 108) no Hoare annotation was computed. [2020-10-20 01:45:21,366 INFO L274 CegarLoopResult]: For program point L100-3(lines 100 108) no Hoare annotation was computed. [2020-10-20 01:45:21,366 INFO L274 CegarLoopResult]: For program point L100-4(lines 100 108) no Hoare annotation was computed. [2020-10-20 01:45:21,366 INFO L274 CegarLoopResult]: For program point L100-5(lines 100 108) no Hoare annotation was computed. [2020-10-20 01:45:21,366 INFO L270 CegarLoopResult]: At program point L398(lines 393 401) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-10-20 01:45:21,366 INFO L270 CegarLoopResult]: At program point L398-1(lines 393 401) the Hoare annotation is: false [2020-10-20 01:45:21,366 INFO L270 CegarLoopResult]: At program point L398-2(lines 393 401) the Hoare annotation is: false [2020-10-20 01:45:21,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:21 BoogieIcfgContainer [2020-10-20 01:45:21,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:21,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:21,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:21,430 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:21,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:15" (3/4) ... [2020-10-20 01:45:21,435 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:21,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:21,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:21,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:21,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:21,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:21,463 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:21,464 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:21,498 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-10-20 01:45:21,498 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:45:21,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:45:21,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 <= pumpRunning && \result <= 2) && tmp == systemActive) && 2 <= tmp) && tmp == 1) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,499 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && tmp == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && tmp == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,500 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && tmp == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && tmp == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,501 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,501 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,503 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && \result <= 2) && tmp == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:21,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-10-20 01:45:21,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-20 01:45:21,612 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:21,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:21,614 INFO L168 Benchmark]: Toolchain (without parser) took 7812.88 ms. Allocated memory was 35.7 MB in the beginning and 109.1 MB in the end (delta: 73.4 MB). Free memory was 8.6 MB in the beginning and 42.8 MB in the end (delta: -34.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:21,615 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 35.7 MB. Free memory was 14.9 MB in the beginning and 14.8 MB in the end (delta: 73.5 kB). Peak memory consumption was 73.5 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:21,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.28 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 7.7 MB in the beginning and 15.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:21,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.44 ms. Allocated memory was 45.6 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Free memory was 15.6 MB in the beginning and 26.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:21,616 INFO L168 Benchmark]: Boogie Preprocessor took 51.49 ms. Allocated memory is still 47.2 MB. Free memory was 26.5 MB in the beginning and 23.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:21,617 INFO L168 Benchmark]: RCFGBuilder took 1042.27 ms. Allocated memory was 47.2 MB in the beginning and 50.9 MB in the end (delta: 3.7 MB). Free memory was 23.5 MB in the beginning and 20.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:21,617 INFO L168 Benchmark]: TraceAbstraction took 5742.71 ms. Allocated memory was 50.9 MB in the beginning and 109.1 MB in the end (delta: 58.2 MB). Free memory was 19.8 MB in the beginning and 56.7 MB in the end (delta: -36.8 MB). Peak memory consumption was 58.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:21,618 INFO L168 Benchmark]: Witness Printer took 184.85 ms. Allocated memory is still 109.1 MB. Free memory was 56.7 MB in the beginning and 42.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:21,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 35.7 MB. Free memory was 14.9 MB in the beginning and 14.8 MB in the end (delta: 73.5 kB). Peak memory consumption was 73.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 700.28 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 7.7 MB in the beginning and 15.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 80.44 ms. Allocated memory was 45.6 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Free memory was 15.6 MB in the beginning and 26.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 51.49 ms. Allocated memory is still 47.2 MB. Free memory was 26.5 MB in the beginning and 23.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1042.27 ms. Allocated memory was 47.2 MB in the beginning and 50.9 MB in the end (delta: 3.7 MB). Free memory was 23.5 MB in the beginning and 20.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5742.71 ms. Allocated memory was 50.9 MB in the beginning and 109.1 MB in the end (delta: 58.2 MB). Free memory was 19.8 MB in the beginning and 56.7 MB in the end (delta: -36.8 MB). Peak memory consumption was 58.4 MB. Max. memory is 14.3 GB. * Witness Printer took 184.85 ms. Allocated memory is still 109.1 MB. Free memory was 56.7 MB in the beginning and 42.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 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: 170]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && \result <= 2) && tmp == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && tmp == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && tmp == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((1 <= pumpRunning && \result <= 2) && tmp == systemActive) && 2 <= tmp) && tmp == 1) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && tmp == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && tmp == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1042 SDtfs, 1693 SDslu, 1591 SDs, 0 SdLazy, 287 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 554 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 141 NumberOfFragments, 798 HoareAnnotationTreeSize, 49 FomulaSimplifications, 95208 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 49 FomulaSimplificationsInter, 2657 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 32036 SizeOfPredicates, 4 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...