./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_1.5.800.v20200727-1323.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_product40.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 b1dccf015ca242d6c8f0727566f3e9418ec10384 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:45:28,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:45:28,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:45:28,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:45:28,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:45:28,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:45:28,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:45:28,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:45:28,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:45:28,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:45:28,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:45:28,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:45:28,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:45:28,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:45:28,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:45:28,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:45:28,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:45:28,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:45:28,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:45:28,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:45:28,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:45:28,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:45:28,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:45:28,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:45:28,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:45:28,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:45:28,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:45:28,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:45:28,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:45:28,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:45:28,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:45:28,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:45:28,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:45:28,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:45:28,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:45:28,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:45:28,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:45:28,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:45:28,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:45:28,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:45:28,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:45:28,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:45:28,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:45:28,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:45:28,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:45:28,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:45:28,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:45:28,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:45:28,586 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:45:28,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:45:28,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:45:28,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:45:28,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:45:28,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:45:28,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:45:28,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:45:28,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:45:28,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:45:28,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:45:28,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:45:28,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:45:28,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:45:28,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:45:28,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:45:28,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:28,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:45:28,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:45:28,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:45:28,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:45:28,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:45:28,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:45:28,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:45:28,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1dccf015ca242d6c8f0727566f3e9418ec10384 [2021-08-26 08:45:28,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:45:28,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:45:28,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:45:28,938 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:45:28,939 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:45:28,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2021-08-26 08:45:29,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98b9d989/e2a9fef544ef4c31a45ec06007c93e33/FLAGa795ef61d [2021-08-26 08:45:29,494 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:45:29,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2021-08-26 08:45:29,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98b9d989/e2a9fef544ef4c31a45ec06007c93e33/FLAGa795ef61d [2021-08-26 08:45:29,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98b9d989/e2a9fef544ef4c31a45ec06007c93e33 [2021-08-26 08:45:29,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:45:29,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:45:29,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:29,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:45:29,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:45:29,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:29" (1/1) ... [2021-08-26 08:45:29,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8fd0a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:29, skipping insertion in model container [2021-08-26 08:45:29,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:29" (1/1) ... [2021-08-26 08:45:29,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:45:29,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:45:30,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[16774,16787] [2021-08-26 08:45:30,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:30,227 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:45:30,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[16774,16787] [2021-08-26 08:45:30,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:30,294 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:45:30,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30 WrapperNode [2021-08-26 08:45:30,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:30,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:30,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:45:30,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:45:30,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:30,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:45:30,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:45:30,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:45:30,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:45:30,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:45:30,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:45:30,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:45:30,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (1/1) ... [2021-08-26 08:45:30,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:30,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:30,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:45:30,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:45:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:45:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:45:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:45:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:45:31,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:45:31,602 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2021-08-26 08:45:31,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:31 BoogieIcfgContainer [2021-08-26 08:45:31,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:45:31,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:45:31,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:45:31,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:45:31,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:45:29" (1/3) ... [2021-08-26 08:45:31,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39968b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:31, skipping insertion in model container [2021-08-26 08:45:31,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:30" (2/3) ... [2021-08-26 08:45:31,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39968b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:31, skipping insertion in model container [2021-08-26 08:45:31,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:31" (3/3) ... [2021-08-26 08:45:31,630 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-08-26 08:45:31,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:45:31,636 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:45:31,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:45:31,678 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:45:31,678 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:45:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 121 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:45:31,701 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:31,702 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:31,702 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:31,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:31,708 INFO L82 PathProgramCache]: Analyzing trace with hash -570084669, now seen corresponding path program 1 times [2021-08-26 08:45:31,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:31,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765076837] [2021-08-26 08:45:31,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:31,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:31,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:31,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765076837] [2021-08-26 08:45:31,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765076837] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:31,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:31,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:31,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103422932] [2021-08-26 08:45:31,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:45:31,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:31,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:45:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:31,954 INFO L87 Difference]: Start difference. First operand has 122 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 121 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:32,001 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2021-08-26 08:45:32,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:45:32,002 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-26 08:45:32,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:32,013 INFO L225 Difference]: With dead ends: 237 [2021-08-26 08:45:32,013 INFO L226 Difference]: Without dead ends: 118 [2021-08-26 08:45:32,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:32,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-08-26 08:45:32,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-08-26 08:45:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.4869565217391305) internal successors, (171), 117 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2021-08-26 08:45:32,065 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2021-08-26 08:45:32,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:32,066 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2021-08-26 08:45:32,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2021-08-26 08:45:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 08:45:32,070 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:32,071 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:32,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:45:32,071 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:32,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:32,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1235934884, now seen corresponding path program 1 times [2021-08-26 08:45:32,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:32,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230426726] [2021-08-26 08:45:32,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:32,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:32,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:32,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230426726] [2021-08-26 08:45:32,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230426726] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:32,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:32,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:32,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774104741] [2021-08-26 08:45:32,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:32,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:32,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:32,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:32,224 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:32,238 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2021-08-26 08:45:32,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:32,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-08-26 08:45:32,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:32,241 INFO L225 Difference]: With dead ends: 118 [2021-08-26 08:45:32,241 INFO L226 Difference]: Without dead ends: 51 [2021-08-26 08:45:32,243 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:32,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-08-26 08:45:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-08-26 08:45:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-08-26 08:45:32,252 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-08-26 08:45:32,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:32,253 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-08-26 08:45:32,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-08-26 08:45:32,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:45:32,255 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:32,255 INFO L512 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] [2021-08-26 08:45:32,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:45:32,256 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:32,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:32,257 INFO L82 PathProgramCache]: Analyzing trace with hash -807039390, now seen corresponding path program 1 times [2021-08-26 08:45:32,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:32,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934122477] [2021-08-26 08:45:32,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:32,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:32,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:32,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934122477] [2021-08-26 08:45:32,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934122477] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:32,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:32,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:32,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581988809] [2021-08-26 08:45:32,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:32,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:32,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:32,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:32,370 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:32,417 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2021-08-26 08:45:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:32,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 08:45:32,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:32,421 INFO L225 Difference]: With dead ends: 139 [2021-08-26 08:45:32,422 INFO L226 Difference]: Without dead ends: 95 [2021-08-26 08:45:32,423 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:32,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-08-26 08:45:32,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2021-08-26 08:45:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.488888888888889) internal successors, (134), 90 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2021-08-26 08:45:32,434 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2021-08-26 08:45:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:32,434 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2021-08-26 08:45:32,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2021-08-26 08:45:32,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 08:45:32,437 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:32,437 INFO L512 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] [2021-08-26 08:45:32,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:45:32,437 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:32,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:32,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1166251271, now seen corresponding path program 1 times [2021-08-26 08:45:32,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:32,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796208713] [2021-08-26 08:45:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:32,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:32,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:32,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796208713] [2021-08-26 08:45:32,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796208713] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:32,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:32,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:32,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693817872] [2021-08-26 08:45:32,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:32,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:32,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:32,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:32,493 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:32,548 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2021-08-26 08:45:32,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:32,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-26 08:45:32,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:32,552 INFO L225 Difference]: With dead ends: 222 [2021-08-26 08:45:32,552 INFO L226 Difference]: Without dead ends: 138 [2021-08-26 08:45:32,554 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:32,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-08-26 08:45:32,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-08-26 08:45:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-08-26 08:45:32,567 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2021-08-26 08:45:32,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:32,568 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-08-26 08:45:32,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-08-26 08:45:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-26 08:45:32,569 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:32,569 INFO L512 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] [2021-08-26 08:45:32,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:45:32,570 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:32,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:32,570 INFO L82 PathProgramCache]: Analyzing trace with hash -237845909, now seen corresponding path program 1 times [2021-08-26 08:45:32,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:32,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39842041] [2021-08-26 08:45:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:32,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:32,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:32,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39842041] [2021-08-26 08:45:32,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39842041] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:32,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:32,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:32,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119865267] [2021-08-26 08:45:32,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:32,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:32,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:32,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:32,659 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:32,777 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2021-08-26 08:45:32,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:45:32,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-08-26 08:45:32,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:32,780 INFO L225 Difference]: With dead ends: 475 [2021-08-26 08:45:32,780 INFO L226 Difference]: Without dead ends: 346 [2021-08-26 08:45:32,781 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 45.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:45:32,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-08-26 08:45:32,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2021-08-26 08:45:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.4285714285714286) internal successors, (190), 133 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2021-08-26 08:45:32,795 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2021-08-26 08:45:32,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:32,795 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2021-08-26 08:45:32,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2021-08-26 08:45:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:32,796 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:32,796 INFO L512 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] [2021-08-26 08:45:32,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:45:32,797 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:32,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:32,797 INFO L82 PathProgramCache]: Analyzing trace with hash -2058108952, now seen corresponding path program 1 times [2021-08-26 08:45:32,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:32,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218721833] [2021-08-26 08:45:32,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:32,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:32,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:32,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218721833] [2021-08-26 08:45:32,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218721833] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:32,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:32,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:32,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436095423] [2021-08-26 08:45:32,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:32,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:32,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:32,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:32,853 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:32,911 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2021-08-26 08:45:32,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:45:32,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:32,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:32,913 INFO L225 Difference]: With dead ends: 363 [2021-08-26 08:45:32,913 INFO L226 Difference]: Without dead ends: 236 [2021-08-26 08:45:32,914 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:32,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-08-26 08:45:32,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2021-08-26 08:45:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.393103448275862) internal successors, (202), 145 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2021-08-26 08:45:32,924 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2021-08-26 08:45:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:32,925 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2021-08-26 08:45:32,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2021-08-26 08:45:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:32,926 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:32,926 INFO L512 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] [2021-08-26 08:45:32,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:45:32,927 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:32,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:32,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1357044374, now seen corresponding path program 1 times [2021-08-26 08:45:32,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:32,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753938522] [2021-08-26 08:45:32,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:32,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:32,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:32,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753938522] [2021-08-26 08:45:32,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753938522] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:32,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:32,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:32,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291686332] [2021-08-26 08:45:32,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:45:32,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:32,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:45:32,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:45:32,977 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:33,012 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2021-08-26 08:45:33,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:45:33,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:33,013 INFO L225 Difference]: With dead ends: 351 [2021-08-26 08:45:33,013 INFO L226 Difference]: Without dead ends: 212 [2021-08-26 08:45:33,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:33,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-08-26 08:45:33,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 154. [2021-08-26 08:45:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3725490196078431) internal successors, (210), 153 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2021-08-26 08:45:33,030 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2021-08-26 08:45:33,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:33,032 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2021-08-26 08:45:33,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,032 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2021-08-26 08:45:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:33,038 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:33,038 INFO L512 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] [2021-08-26 08:45:33,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:45:33,039 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:33,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1943850388, now seen corresponding path program 1 times [2021-08-26 08:45:33,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:33,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110399937] [2021-08-26 08:45:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:33,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:33,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:33,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110399937] [2021-08-26 08:45:33,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110399937] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:33,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:33,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:33,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638025730] [2021-08-26 08:45:33,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:33,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:33,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:33,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:33,116 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:33,147 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2021-08-26 08:45:33,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:33,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:33,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:33,149 INFO L225 Difference]: With dead ends: 359 [2021-08-26 08:45:33,149 INFO L226 Difference]: Without dead ends: 212 [2021-08-26 08:45:33,149 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-08-26 08:45:33,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-08-26 08:45:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 1.3317535545023698) internal successors, (281), 211 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2021-08-26 08:45:33,163 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2021-08-26 08:45:33,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:33,163 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2021-08-26 08:45:33,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2021-08-26 08:45:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:45:33,164 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:33,164 INFO L512 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] [2021-08-26 08:45:33,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:45:33,165 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:33,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:33,165 INFO L82 PathProgramCache]: Analyzing trace with hash 955170732, now seen corresponding path program 1 times [2021-08-26 08:45:33,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:33,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075631726] [2021-08-26 08:45:33,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:33,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:33,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:33,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075631726] [2021-08-26 08:45:33,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075631726] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:33,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:33,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:45:33,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587090887] [2021-08-26 08:45:33,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:45:33,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:33,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:45:33,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:33,267 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:33,545 INFO L93 Difference]: Finished difference Result 1039 states and 1412 transitions. [2021-08-26 08:45:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:45:33,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 08:45:33,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:33,549 INFO L225 Difference]: With dead ends: 1039 [2021-08-26 08:45:33,550 INFO L226 Difference]: Without dead ends: 892 [2021-08-26 08:45:33,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 76.8ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-26 08:45:33,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-08-26 08:45:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 372. [2021-08-26 08:45:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.3234501347708896) internal successors, (491), 371 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 491 transitions. [2021-08-26 08:45:33,580 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 491 transitions. Word has length 35 [2021-08-26 08:45:33,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:33,581 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 491 transitions. [2021-08-26 08:45:33,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2021-08-26 08:45:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-26 08:45:33,582 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:33,582 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:33,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:45:33,583 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:33,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:33,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1911482104, now seen corresponding path program 1 times [2021-08-26 08:45:33,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:33,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034328140] [2021-08-26 08:45:33,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:33,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:45:33,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:33,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034328140] [2021-08-26 08:45:33,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034328140] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:33,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:33,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:33,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107853012] [2021-08-26 08:45:33,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:33,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:33,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:33,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:33,623 INFO L87 Difference]: Start difference. First operand 372 states and 491 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:33,714 INFO L93 Difference]: Finished difference Result 624 states and 822 transitions. [2021-08-26 08:45:33,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:33,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-08-26 08:45:33,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:33,717 INFO L225 Difference]: With dead ends: 624 [2021-08-26 08:45:33,717 INFO L226 Difference]: Without dead ends: 259 [2021-08-26 08:45:33,717 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-08-26 08:45:33,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2021-08-26 08:45:33,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.3055555555555556) internal successors, (329), 252 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2021-08-26 08:45:33,737 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 329 transitions. Word has length 55 [2021-08-26 08:45:33,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:33,737 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 329 transitions. [2021-08-26 08:45:33,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 329 transitions. [2021-08-26 08:45:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:45:33,738 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:33,738 INFO L512 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] [2021-08-26 08:45:33,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:45:33,739 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:33,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:33,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1510184545, now seen corresponding path program 1 times [2021-08-26 08:45:33,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:33,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433029019] [2021-08-26 08:45:33,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:33,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:33,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:33,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433029019] [2021-08-26 08:45:33,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433029019] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:33,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343272508] [2021-08-26 08:45:33,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:33,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:45:33,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:33,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 08:45:33,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:45:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:33,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:45:33,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:45:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:34,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343272508] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:34,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:45:34,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 08:45:34,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373689971] [2021-08-26 08:45:34,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:45:34,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:34,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:45:34,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:45:34,195 INFO L87 Difference]: Start difference. First operand 253 states and 329 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:34,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:34,509 INFO L93 Difference]: Finished difference Result 582 states and 769 transitions. [2021-08-26 08:45:34,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:45:34,509 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-08-26 08:45:34,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:34,511 INFO L225 Difference]: With dead ends: 582 [2021-08-26 08:45:34,511 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:45:34,512 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 54.3ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:45:34,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:45:34,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:45:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:45:34,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-08-26 08:45:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:34,514 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:45:34,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:45:34,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:45:34,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:34,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:34,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:34,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:45:34,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-26 08:45:34,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:45:34,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:34,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:35,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point L101-4(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point L101-5(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 852) no Hoare annotation was computed. [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 767) no Hoare annotation was computed. [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point L730(lines 730 740) no Hoare annotation was computed. [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point L763-1(lines 763 767) no Hoare annotation was computed. [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point L730-2(lines 730 740) no Hoare annotation was computed. [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point L730-4(lines 730 740) no Hoare annotation was computed. [2021-08-26 08:45:37,565 INFO L857 garLoopResultBuilder]: For program point L731(lines 731 737) no Hoare annotation was computed. [2021-08-26 08:45:37,566 INFO L857 garLoopResultBuilder]: For program point L731-2(lines 731 737) no Hoare annotation was computed. [2021-08-26 08:45:37,566 INFO L857 garLoopResultBuilder]: For program point L731-4(lines 731 737) no Hoare annotation was computed. [2021-08-26 08:45:37,566 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 317) no Hoare annotation was computed. [2021-08-26 08:45:37,566 INFO L853 garLoopResultBuilder]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-08-26 08:45:37,566 INFO L853 garLoopResultBuilder]: At program point L72-1(lines 72 78) the Hoare annotation is: false [2021-08-26 08:45:37,566 INFO L853 garLoopResultBuilder]: At program point L72-2(lines 72 78) the Hoare annotation is: false [2021-08-26 08:45:37,566 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 902) no Hoare annotation was computed. [2021-08-26 08:45:37,566 INFO L857 garLoopResultBuilder]: For program point L898-3(lines 898 902) no Hoare annotation was computed. [2021-08-26 08:45:37,566 INFO L857 garLoopResultBuilder]: For program point L898-6(lines 898 902) no Hoare annotation was computed. [2021-08-26 08:45:37,566 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 245) no Hoare annotation was computed. [2021-08-26 08:45:37,567 INFO L853 garLoopResultBuilder]: At program point L239-1(lines 239 245) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= ~waterLevel~0 2)) [2021-08-26 08:45:37,567 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 841) no Hoare annotation was computed. [2021-08-26 08:45:37,567 INFO L860 garLoopResultBuilder]: At program point L834-1(lines 834 841) the Hoare annotation is: true [2021-08-26 08:45:37,567 INFO L857 garLoopResultBuilder]: For program point L273(lines 272 321) no Hoare annotation was computed. [2021-08-26 08:45:37,567 INFO L853 garLoopResultBuilder]: At program point L967(lines 962 970) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4))) [2021-08-26 08:45:37,567 INFO L853 garLoopResultBuilder]: At program point L967-1(lines 962 970) the Hoare annotation is: false [2021-08-26 08:45:37,567 INFO L853 garLoopResultBuilder]: At program point L967-2(lines 962 970) the Hoare annotation is: false [2021-08-26 08:45:37,567 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 852) no Hoare annotation was computed. [2021-08-26 08:45:37,567 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-08-26 08:45:37,567 INFO L853 garLoopResultBuilder]: At program point L935(lines 930 938) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-08-26 08:45:37,567 INFO L853 garLoopResultBuilder]: At program point L935-1(lines 930 938) the Hoare annotation is: false [2021-08-26 08:45:37,567 INFO L853 garLoopResultBuilder]: At program point L935-2(lines 930 938) the Hoare annotation is: false [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 .cse5 .cse6) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6))) [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 171 179) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 171 179) the Hoare annotation is: false [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L176-4(lines 171 179) the Hoare annotation is: false [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L176-5(lines 171 179) the Hoare annotation is: false [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L705(lines 700 707) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:45:37,568 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 316) no Hoare annotation was computed. [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L310-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-08-26 08:45:37,568 INFO L853 garLoopResultBuilder]: At program point L807(lines 803 809) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:45:37,568 INFO L857 garLoopResultBuilder]: For program point L975(lines 975 981) no Hoare annotation was computed. [2021-08-26 08:45:37,569 INFO L857 garLoopResultBuilder]: For program point L975-1(lines 975 981) no Hoare annotation was computed. [2021-08-26 08:45:37,569 INFO L857 garLoopResultBuilder]: For program point L975-2(lines 975 981) no Hoare annotation was computed. [2021-08-26 08:45:37,569 INFO L857 garLoopResultBuilder]: For program point L975-3(lines 975 981) no Hoare annotation was computed. [2021-08-26 08:45:37,569 INFO L857 garLoopResultBuilder]: For program point L975-4(lines 975 981) no Hoare annotation was computed. [2021-08-26 08:45:37,569 INFO L860 garLoopResultBuilder]: At program point L843(lines 824 846) the Hoare annotation is: true [2021-08-26 08:45:37,569 INFO L857 garLoopResultBuilder]: For program point L975-5(lines 975 981) no Hoare annotation was computed. [2021-08-26 08:45:37,569 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 288) no Hoare annotation was computed. [2021-08-26 08:45:37,574 INFO L853 garLoopResultBuilder]: At program point L282-1(lines 282 288) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-08-26 08:45:37,574 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-08-26 08:45:37,575 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:45:37,575 INFO L853 garLoopResultBuilder]: At program point L879(lines 1 984) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:45:37,575 INFO L853 garLoopResultBuilder]: At program point L715(lines 65 71) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-08-26 08:45:37,576 INFO L853 garLoopResultBuilder]: At program point L715-1(lines 65 71) the Hoare annotation is: false [2021-08-26 08:45:37,576 INFO L853 garLoopResultBuilder]: At program point L715-2(lines 65 71) the Hoare annotation is: false [2021-08-26 08:45:37,576 INFO L853 garLoopResultBuilder]: At program point L980(lines 971 984) the Hoare annotation is: false [2021-08-26 08:45:37,577 INFO L853 garLoopResultBuilder]: At program point L980-1(lines 971 984) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3))) [2021-08-26 08:45:37,577 INFO L853 garLoopResultBuilder]: At program point L980-2(lines 971 984) the Hoare annotation is: false [2021-08-26 08:45:37,577 INFO L853 garLoopResultBuilder]: At program point L980-3(lines 971 984) the Hoare annotation is: false [2021-08-26 08:45:37,577 INFO L853 garLoopResultBuilder]: At program point L980-4(lines 971 984) the Hoare annotation is: false [2021-08-26 08:45:37,577 INFO L853 garLoopResultBuilder]: At program point L980-5(lines 971 984) the Hoare annotation is: false [2021-08-26 08:45:37,577 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 140) no Hoare annotation was computed. [2021-08-26 08:45:37,578 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 123 140) no Hoare annotation was computed. [2021-08-26 08:45:37,578 INFO L857 garLoopResultBuilder]: For program point L123-2(lines 123 140) no Hoare annotation was computed. [2021-08-26 08:45:37,578 INFO L853 garLoopResultBuilder]: At program point L322(lines 271 323) the Hoare annotation is: false [2021-08-26 08:45:37,578 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:45:37,578 INFO L857 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2021-08-26 08:45:37,578 INFO L857 garLoopResultBuilder]: For program point L852-1(line 852) no Hoare annotation was computed. [2021-08-26 08:45:37,579 INFO L857 garLoopResultBuilder]: For program point L852-2(line 852) no Hoare annotation was computed. [2021-08-26 08:45:37,579 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,579 INFO L857 garLoopResultBuilder]: For program point L225-2(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,579 INFO L857 garLoopResultBuilder]: For program point L225-3(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,579 INFO L857 garLoopResultBuilder]: For program point L225-5(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,579 INFO L857 garLoopResultBuilder]: For program point L225-6(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,579 INFO L857 garLoopResultBuilder]: For program point L225-8(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,579 INFO L857 garLoopResultBuilder]: For program point L225-9(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,580 INFO L857 garLoopResultBuilder]: For program point L225-11(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,580 INFO L857 garLoopResultBuilder]: For program point L225-12(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,580 INFO L857 garLoopResultBuilder]: For program point L225-14(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,580 INFO L857 garLoopResultBuilder]: For program point L225-15(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,580 INFO L857 garLoopResultBuilder]: For program point L225-17(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:37,580 INFO L857 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2021-08-26 08:45:37,580 INFO L853 garLoopResultBuilder]: At program point L292-1(lines 292 298) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-08-26 08:45:37,581 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 135) no Hoare annotation was computed. [2021-08-26 08:45:37,581 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 127 135) no Hoare annotation was computed. [2021-08-26 08:45:37,581 INFO L857 garLoopResultBuilder]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2021-08-26 08:45:37,581 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:45:37,582 INFO L853 garLoopResultBuilder]: At program point L887(lines 882 890) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:45:37,583 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2021-08-26 08:45:37,583 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:37,583 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:37,583 INFO L857 garLoopResultBuilder]: For program point L97-2(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:37,584 INFO L857 garLoopResultBuilder]: For program point L97-3(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:37,584 INFO L857 garLoopResultBuilder]: For program point L97-4(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:37,584 INFO L857 garLoopResultBuilder]: For program point L97-5(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:37,585 INFO L853 garLoopResultBuilder]: At program point L65(lines 61 83) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-08-26 08:45:37,585 INFO L853 garLoopResultBuilder]: At program point L65-1(lines 61 83) the Hoare annotation is: false [2021-08-26 08:45:37,585 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:45:37,585 INFO L853 garLoopResultBuilder]: At program point L65-2(lines 61 83) the Hoare annotation is: false [2021-08-26 08:45:37,585 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 852) no Hoare annotation was computed. [2021-08-26 08:45:37,585 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 743) no Hoare annotation was computed. [2021-08-26 08:45:37,586 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse4) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4))) [2021-08-26 08:45:37,586 INFO L853 garLoopResultBuilder]: At program point L759-2(lines 759 773) the Hoare annotation is: false [2021-08-26 08:45:37,586 INFO L857 garLoopResultBuilder]: For program point L726-2(lines 726 743) no Hoare annotation was computed. [2021-08-26 08:45:37,586 INFO L853 garLoopResultBuilder]: At program point L726-3(lines 1 984) the Hoare annotation is: false [2021-08-26 08:45:37,586 INFO L857 garLoopResultBuilder]: For program point L726-4(lines 726 743) no Hoare annotation was computed. [2021-08-26 08:45:37,586 INFO L853 garLoopResultBuilder]: At program point L726-5(lines 1 984) the Hoare annotation is: false [2021-08-26 08:45:37,587 INFO L853 garLoopResultBuilder]: At program point L231(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:37,587 INFO L853 garLoopResultBuilder]: At program point L231-1(lines 216 234) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-08-26 08:45:37,587 INFO L853 garLoopResultBuilder]: At program point L231-2(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:37,587 INFO L853 garLoopResultBuilder]: At program point L231-3(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:37,587 INFO L853 garLoopResultBuilder]: At program point L231-4(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:37,587 INFO L853 garLoopResultBuilder]: At program point L231-5(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:37,588 INFO L857 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2021-08-26 08:45:37,588 INFO L853 garLoopResultBuilder]: At program point L167(lines 160 170) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-08-26 08:45:37,588 INFO L853 garLoopResultBuilder]: At program point L167-1(lines 160 170) the Hoare annotation is: false [2021-08-26 08:45:37,588 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:37,588 INFO L853 garLoopResultBuilder]: At program point L167-2(lines 160 170) the Hoare annotation is: false [2021-08-26 08:45:37,588 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:37,590 INFO L857 garLoopResultBuilder]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:37,590 INFO L857 garLoopResultBuilder]: For program point L101-3(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:37,594 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:45:37,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:45:37 BoogieIcfgContainer [2021-08-26 08:45:37,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:45:37,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:45:37,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:45:37,636 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:45:37,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:31" (3/4) ... [2021-08-26 08:45:37,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:45:37,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:45:37,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:45:37,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:45:37,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:45:37,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:45:37,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:37,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:37,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:37,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-08-26 08:45:37,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-08-26 08:45:37,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-08-26 08:45:37,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:37,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:37,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:37,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-08-26 08:45:37,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:37,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-08-26 08:45:37,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-08-26 08:45:37,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) [2021-08-26 08:45:37,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:37,702 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) [2021-08-26 08:45:37,757 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:45:37,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:45:37,759 INFO L168 Benchmark]: Toolchain (without parser) took 7878.43 ms. Allocated memory was 48.2 MB in the beginning and 159.4 MB in the end (delta: 111.1 MB). Free memory was 23.0 MB in the beginning and 83.0 MB in the end (delta: -60.0 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:37,759 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.6 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:45:37,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.05 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.9 MB in the beginning and 37.3 MB in the end (delta: -14.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:37,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.08 ms. Allocated memory is still 60.8 MB. Free memory was 37.3 MB in the beginning and 33.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:37,760 INFO L168 Benchmark]: Boogie Preprocessor took 79.98 ms. Allocated memory is still 60.8 MB. Free memory was 33.6 MB in the beginning and 30.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:37,760 INFO L168 Benchmark]: RCFGBuilder took 1148.98 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 30.9 MB in the beginning and 47.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:37,761 INFO L168 Benchmark]: TraceAbstraction took 6029.07 ms. Allocated memory was 73.4 MB in the beginning and 159.4 MB in the end (delta: 86.0 MB). Free memory was 46.4 MB in the beginning and 93.5 MB in the end (delta: -47.1 MB). Peak memory consumption was 89.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:37,761 INFO L168 Benchmark]: Witness Printer took 121.82 ms. Allocated memory is still 159.4 MB. Free memory was 93.5 MB in the beginning and 83.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:37,763 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.6 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 400.05 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.9 MB in the beginning and 37.3 MB in the end (delta: -14.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.08 ms. Allocated memory is still 60.8 MB. Free memory was 37.3 MB in the beginning and 33.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.98 ms. Allocated memory is still 60.8 MB. Free memory was 33.6 MB in the beginning and 30.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1148.98 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 30.9 MB in the beginning and 47.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6029.07 ms. Allocated memory was 73.4 MB in the beginning and 159.4 MB in the end (delta: 86.0 MB). Free memory was 46.4 MB in the beginning and 93.5 MB in the end (delta: -47.1 MB). Peak memory consumption was 89.5 MB. Max. memory is 16.1 GB. * Witness Printer took 121.82 ms. Allocated memory is still 159.4 MB. Free memory was 93.5 MB in the beginning and 83.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 852]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 852]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 852]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5922.8ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 27.8ms, AutomataDifference: 1172.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2827.0ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1165 SDtfs, 1307 SDslu, 1583 SDs, 0 SdLazy, 271 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 545.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 226.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 171.5ms AutomataMinimizationTime, 11 MinimizatonAttempts, 892 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 203 NumberOfFragments, 800 HoareAnnotationTreeSize, 51 FomulaSimplifications, 62906 FormulaSimplificationTreeSizeReduction, 500.5ms HoareSimplificationTime, 51 FomulaSimplificationsInter, 16446 FormulaSimplificationTreeSizeReductionInter, 2312.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 70.0ms SsaConstructionTime, 341.2ms SatisfiabilityAnalysisTime, 792.6ms InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 778 SizeOfPredicates, 3 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 42/48 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:45:37,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...