./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product51.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_product51.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 c5548a4f9ab372783c382dbed65951e6f378a572 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:45:36,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:45:36,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:45:36,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:45:36,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:45:36,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:45:36,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:45:36,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:45:36,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:45:36,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:45:36,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:45:36,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:45:36,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:45:36,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:45:36,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:45:36,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:45:36,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:45:36,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:45:36,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:45:36,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:45:36,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:45:36,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:45:36,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:45:36,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:45:36,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:45:36,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:45:36,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:45:36,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:45:36,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:45:36,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:45:36,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:45:36,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:45:36,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:45:36,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:45:36,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:45:36,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:45:36,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:45:36,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:45:36,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:45:36,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:45:36,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:45:36,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:45:36,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:45:36,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:45:36,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:45:36,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:45:36,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:45:36,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:45:36,550 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:45:36,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:45:36,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:45:36,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:45:36,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:45:36,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:45:36,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:45:36,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:45:36,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:45:36,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:45:36,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:45:36,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:45:36,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:45:36,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:45:36,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:45:36,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:45:36,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:36,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:45:36,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:45:36,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:45:36,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:45:36,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:45:36,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:45:36,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:45:36,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5548a4f9ab372783c382dbed65951e6f378a572 [2021-08-26 08:45:36,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:45:36,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:45:36,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:45:36,925 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:45:36,926 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:45:36,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-08-26 08:45:36,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4690e6b6/4f239036d9d943668c384bd3c58eed9f/FLAG7bd7a8de8 [2021-08-26 08:45:37,540 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:45:37,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-08-26 08:45:37,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4690e6b6/4f239036d9d943668c384bd3c58eed9f/FLAG7bd7a8de8 [2021-08-26 08:45:38,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4690e6b6/4f239036d9d943668c384bd3c58eed9f [2021-08-26 08:45:38,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:45:38,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:45:38,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:38,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:45:38,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:45:38,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e97bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38, skipping insertion in model container [2021-08-26 08:45:38,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:45:38,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:45:38,324 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_product51.cil.c[18161,18174] [2021-08-26 08:45:38,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:38,337 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:45:38,390 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_product51.cil.c[18161,18174] [2021-08-26 08:45:38,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:38,407 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:45:38,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38 WrapperNode [2021-08-26 08:45:38,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:38,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:38,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:45:38,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:45:38,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:38,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:45:38,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:45:38,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:45:38,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:45:38,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:45:38,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:45:38,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:45:38,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:38,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:38,578 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 08:45:38,588 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 08:45:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:45:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:45:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:45:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:45:39,576 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:45:39,577 INFO L299 CfgBuilder]: Removed 174 assume(true) statements. [2021-08-26 08:45:39,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:39 BoogieIcfgContainer [2021-08-26 08:45:39,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:45:39,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:45:39,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:45:39,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:45:39,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:45:38" (1/3) ... [2021-08-26 08:45:39,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4274a701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:39, skipping insertion in model container [2021-08-26 08:45:39,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38" (2/3) ... [2021-08-26 08:45:39,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4274a701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:39, skipping insertion in model container [2021-08-26 08:45:39,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:39" (3/3) ... [2021-08-26 08:45:39,593 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2021-08-26 08:45:39,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:45:39,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:45:39,646 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:45:39,652 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 08:45:39,652 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:45:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 124 states have (on average 1.5483870967741935) internal successors, (192), 127 states have internal predecessors, (192), 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 08:45:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:45:39,677 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:39,677 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 08:45:39,683 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 08:45:39,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:39,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1681835383, now seen corresponding path program 1 times [2021-08-26 08:45:39,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:39,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212236039] [2021-08-26 08:45:39,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:39,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:39,979 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 08:45:39,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:39,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212236039] [2021-08-26 08:45:39,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212236039] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:39,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:39,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:39,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972758288] [2021-08-26 08:45:39,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:45:39,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:45:40,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:40,013 INFO L87 Difference]: Start difference. First operand has 128 states, 124 states have (on average 1.5483870967741935) internal successors, (192), 127 states have internal predecessors, (192), 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 08:45:40,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,057 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2021-08-26 08:45:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:45:40,058 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 08:45:40,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,071 INFO L225 Difference]: With dead ends: 249 [2021-08-26 08:45:40,071 INFO L226 Difference]: Without dead ends: 124 [2021-08-26 08:45:40,074 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 08:45:40,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-08-26 08:45:40,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-08-26 08:45:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 121 states have (on average 1.487603305785124) internal successors, (180), 123 states have internal predecessors, (180), 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 08:45:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2021-08-26 08:45:40,123 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2021-08-26 08:45:40,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:40,125 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2021-08-26 08:45:40,125 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 08:45:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2021-08-26 08:45:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 08:45:40,128 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,128 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 08:45:40,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:45:40,129 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 08:45:40,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,132 INFO L82 PathProgramCache]: Analyzing trace with hash 124184170, now seen corresponding path program 1 times [2021-08-26 08:45:40,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680799596] [2021-08-26 08:45:40,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,257 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 08:45:40,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680799596] [2021-08-26 08:45:40,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680799596] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:40,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616861314] [2021-08-26 08:45:40,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:40,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:40,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:40,263 INFO L87 Difference]: Start difference. First operand 124 states and 180 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 08:45:40,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,284 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2021-08-26 08:45:40,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:40,285 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 08:45:40,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,288 INFO L225 Difference]: With dead ends: 124 [2021-08-26 08:45:40,289 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:45:40,290 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:40,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:45:40,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:45:40,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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 08:45:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:45:40,304 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2021-08-26 08:45:40,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:40,304 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:45:40,304 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 08:45:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:45:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:45:40,305 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,305 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 08:45:40,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:45:40,306 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 08:45:40,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2021-08-26 08:45:40,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918096317] [2021-08-26 08:45:40,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,381 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 08:45:40,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918096317] [2021-08-26 08:45:40,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918096317] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:40,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002988] [2021-08-26 08:45:40,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:40,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:40,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:40,384 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 08:45:40,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,395 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-08-26 08:45:40,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:40,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 08:45:40,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,397 INFO L225 Difference]: With dead ends: 145 [2021-08-26 08:45:40,397 INFO L226 Difference]: Without dead ends: 99 [2021-08-26 08:45:40,397 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:40,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-08-26 08:45:40,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2021-08-26 08:45:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4893617021276595) internal successors, (140), 94 states have internal predecessors, (140), 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 08:45:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2021-08-26 08:45:40,406 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 26 [2021-08-26 08:45:40,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:40,406 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2021-08-26 08:45:40,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 08:45:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2021-08-26 08:45:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 08:45:40,408 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,408 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 08:45:40,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:45:40,408 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 08:45:40,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2021-08-26 08:45:40,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110576440] [2021-08-26 08:45:40,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,456 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 08:45:40,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110576440] [2021-08-26 08:45:40,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110576440] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:40,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725145624] [2021-08-26 08:45:40,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:40,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:40,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:40,459 INFO L87 Difference]: Start difference. First operand 95 states and 140 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 08:45:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,488 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2021-08-26 08:45:40,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:40,489 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 08:45:40,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,490 INFO L225 Difference]: With dead ends: 230 [2021-08-26 08:45:40,490 INFO L226 Difference]: Without dead ends: 142 [2021-08-26 08:45:40,490 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:40,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-08-26 08:45:40,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-08-26 08:45:40,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.4532374100719425) internal successors, (202), 139 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 08:45:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 202 transitions. [2021-08-26 08:45:40,499 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 202 transitions. Word has length 28 [2021-08-26 08:45:40,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:40,500 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 202 transitions. [2021-08-26 08:45:40,500 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 08:45:40,500 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2021-08-26 08:45:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-26 08:45:40,501 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,501 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 08:45:40,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:45:40,501 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 08:45:40,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2021-08-26 08:45:40,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136912470] [2021-08-26 08:45:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,569 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 08:45:40,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136912470] [2021-08-26 08:45:40,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136912470] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:40,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093862915] [2021-08-26 08:45:40,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:40,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:40,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:40,571 INFO L87 Difference]: Start difference. First operand 140 states and 202 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 08:45:40,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,731 INFO L93 Difference]: Finished difference Result 487 states and 703 transitions. [2021-08-26 08:45:40,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:45:40,732 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 08:45:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,735 INFO L225 Difference]: With dead ends: 487 [2021-08-26 08:45:40,735 INFO L226 Difference]: Without dead ends: 354 [2021-08-26 08:45:40,736 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:45:40,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-08-26 08:45:40,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 138. [2021-08-26 08:45:40,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 137 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 08:45:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2021-08-26 08:45:40,749 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 29 [2021-08-26 08:45:40,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:40,750 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2021-08-26 08:45:40,750 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 08:45:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2021-08-26 08:45:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:40,751 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,751 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 08:45:40,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:45:40,752 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 08:45:40,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2021-08-26 08:45:40,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390392473] [2021-08-26 08:45:40,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,831 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 08:45:40,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390392473] [2021-08-26 08:45:40,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390392473] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:40,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767616992] [2021-08-26 08:45:40,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:40,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:40,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:40,834 INFO L87 Difference]: Start difference. First operand 138 states and 196 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 08:45:40,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,890 INFO L93 Difference]: Finished difference Result 371 states and 521 transitions. [2021-08-26 08:45:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:45:40,890 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 08:45:40,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,892 INFO L225 Difference]: With dead ends: 371 [2021-08-26 08:45:40,892 INFO L226 Difference]: Without dead ends: 240 [2021-08-26 08:45:40,893 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:40,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-08-26 08:45:40,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 150. [2021-08-26 08:45:40,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 149 states have (on average 1.395973154362416) internal successors, (208), 149 states have internal predecessors, (208), 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 08:45:40,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 208 transitions. [2021-08-26 08:45:40,903 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 208 transitions. Word has length 34 [2021-08-26 08:45:40,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:40,903 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 208 transitions. [2021-08-26 08:45:40,903 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 08:45:40,903 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2021-08-26 08:45:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:40,904 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,904 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 08:45:40,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:45:40,905 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 08:45:40,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2021-08-26 08:45:40,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928334885] [2021-08-26 08:45:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,961 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 08:45:40,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928334885] [2021-08-26 08:45:40,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928334885] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:40,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044654894] [2021-08-26 08:45:40,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:45:40,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:45:40,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:45:40,963 INFO L87 Difference]: Start difference. First operand 150 states and 208 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 08:45:40,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,997 INFO L93 Difference]: Finished difference Result 359 states and 494 transitions. [2021-08-26 08:45:40,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:45:40,998 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 08:45:40,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,999 INFO L225 Difference]: With dead ends: 359 [2021-08-26 08:45:40,999 INFO L226 Difference]: Without dead ends: 216 [2021-08-26 08:45:41,000 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:41,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-08-26 08:45:41,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 158. [2021-08-26 08:45:41,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.375796178343949) internal successors, (216), 157 states have internal predecessors, (216), 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 08:45:41,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 216 transitions. [2021-08-26 08:45:41,009 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 216 transitions. Word has length 34 [2021-08-26 08:45:41,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,009 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 216 transitions. [2021-08-26 08:45:41,009 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 08:45:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2021-08-26 08:45:41,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:41,010 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,010 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 08:45:41,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:45:41,011 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 08:45:41,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2021-08-26 08:45:41,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383542074] [2021-08-26 08:45:41,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,062 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 08:45:41,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:41,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383542074] [2021-08-26 08:45:41,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383542074] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:41,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:41,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:41,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083724891] [2021-08-26 08:45:41,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:41,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:41,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:41,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:41,065 INFO L87 Difference]: Start difference. First operand 158 states and 216 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 08:45:41,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:41,091 INFO L93 Difference]: Finished difference Result 367 states and 500 transitions. [2021-08-26 08:45:41,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:41,092 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 08:45:41,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:41,093 INFO L225 Difference]: With dead ends: 367 [2021-08-26 08:45:41,093 INFO L226 Difference]: Without dead ends: 216 [2021-08-26 08:45:41,094 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:41,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-08-26 08:45:41,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2021-08-26 08:45:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.3348837209302327) internal successors, (287), 215 states have internal predecessors, (287), 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 08:45:41,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2021-08-26 08:45:41,111 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 34 [2021-08-26 08:45:41,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,111 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2021-08-26 08:45:41,111 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 08:45:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2021-08-26 08:45:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:45:41,112 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,112 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 08:45:41,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:45:41,113 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 08:45:41,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,113 INFO L82 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2021-08-26 08:45:41,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440434946] [2021-08-26 08:45:41,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,248 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 08:45:41,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:41,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440434946] [2021-08-26 08:45:41,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440434946] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:41,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:41,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:45:41,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408340424] [2021-08-26 08:45:41,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:45:41,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:41,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:45:41,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:41,252 INFO L87 Difference]: Start difference. First operand 216 states and 287 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 08:45:41,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:41,511 INFO L93 Difference]: Finished difference Result 1063 states and 1448 transitions. [2021-08-26 08:45:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:45:41,513 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 08:45:41,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:41,518 INFO L225 Difference]: With dead ends: 1063 [2021-08-26 08:45:41,518 INFO L226 Difference]: Without dead ends: 912 [2021-08-26 08:45:41,521 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 58.9ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-26 08:45:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-08-26 08:45:41,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 380. [2021-08-26 08:45:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 379 states have (on average 1.3271767810026385) internal successors, (503), 379 states have internal predecessors, (503), 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 08:45:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 503 transitions. [2021-08-26 08:45:41,563 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 503 transitions. Word has length 35 [2021-08-26 08:45:41,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,565 INFO L470 AbstractCegarLoop]: Abstraction has 380 states and 503 transitions. [2021-08-26 08:45:41,565 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 08:45:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 503 transitions. [2021-08-26 08:45:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-26 08:45:41,566 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,566 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:41,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:45:41,566 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 08:45:41,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,567 INFO L82 PathProgramCache]: Analyzing trace with hash 376283960, now seen corresponding path program 1 times [2021-08-26 08:45:41,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584588582] [2021-08-26 08:45:41,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:45:41,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:41,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584588582] [2021-08-26 08:45:41,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584588582] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:41,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:41,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:41,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146886824] [2021-08-26 08:45:41,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:41,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:41,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:41,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:41,626 INFO L87 Difference]: Start difference. First operand 380 states and 503 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 08:45:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:41,679 INFO L93 Difference]: Finished difference Result 455 states and 601 transitions. [2021-08-26 08:45:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:41,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 54 [2021-08-26 08:45:41,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:41,681 INFO L225 Difference]: With dead ends: 455 [2021-08-26 08:45:41,681 INFO L226 Difference]: Without dead ends: 190 [2021-08-26 08:45:41,682 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-08-26 08:45:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2021-08-26 08:45:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.2751322751322751) internal successors, (241), 189 states have internal predecessors, (241), 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 08:45:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 241 transitions. [2021-08-26 08:45:41,693 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 241 transitions. Word has length 54 [2021-08-26 08:45:41,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,694 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 241 transitions. [2021-08-26 08:45:41,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 08:45:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 241 transitions. [2021-08-26 08:45:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-26 08:45:41,695 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,695 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, 1, 1] [2021-08-26 08:45:41,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:45:41,695 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 08:45:41,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,696 INFO L82 PathProgramCache]: Analyzing trace with hash 767046238, now seen corresponding path program 1 times [2021-08-26 08:45:41,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946170307] [2021-08-26 08:45:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,766 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 08:45:41,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:41,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946170307] [2021-08-26 08:45:41,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946170307] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:41,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986913994] [2021-08-26 08:45:41,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:45:41,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:41,772 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 08:45:41,782 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 08:45:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:45:41,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:45:42,222 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 08:45:42,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986913994] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:42,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:45:42,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 08:45:42,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648877885] [2021-08-26 08:45:42,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:45:42,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:42,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:45:42,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:45:42,225 INFO L87 Difference]: Start difference. First operand 190 states and 241 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 08:45:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:42,440 INFO L93 Difference]: Finished difference Result 434 states and 563 transitions. [2021-08-26 08:45:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:45:42,440 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 58 [2021-08-26 08:45:42,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:42,441 INFO L225 Difference]: With dead ends: 434 [2021-08-26 08:45:42,441 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:45:42,442 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.5ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:45:42,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:45:42,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:45:42,442 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 08:45:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:45:42,442 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-08-26 08:45:42,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:42,442 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:45:42,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 08:45:42,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:45:42,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:45:42,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:42,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:42,445 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:42,476 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 08:45:42,665 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 08:45:42,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:45:42,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:42,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,925 INFO L857 garLoopResultBuilder]: For program point L101-4(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:44,925 INFO L857 garLoopResultBuilder]: For program point L101-5(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:44,925 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 865) no Hoare annotation was computed. [2021-08-26 08:45:44,925 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-08-26 08:45:44,925 INFO L853 garLoopResultBuilder]: At program point L432(lines 383 433) the Hoare annotation is: false [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L961(lines 956 963) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:45:44,926 INFO L860 garLoopResultBuilder]: At program point L369(lines 350 372) the Hoare annotation is: true [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5)))) [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L72-1(lines 72 78) the Hoare annotation is: false [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L72-2(lines 72 78) the Hoare annotation is: false [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L931(lines 922 935) the Hoare annotation is: false [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L931-1(lines 922 935) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2))) [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L931-2(lines 922 935) the Hoare annotation is: false [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L931-3(lines 922 935) the Hoare annotation is: false [2021-08-26 08:45:44,926 INFO L853 garLoopResultBuilder]: At program point L931-4(lines 922 935) the Hoare annotation is: false [2021-08-26 08:45:44,927 INFO L853 garLoopResultBuilder]: At program point L931-5(lines 922 935) the Hoare annotation is: false [2021-08-26 08:45:44,927 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-08-26 08:45:44,927 INFO L853 garLoopResultBuilder]: At program point L404-1(lines 404 410) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5)))) [2021-08-26 08:45:44,927 INFO L853 garLoopResultBuilder]: At program point L471(lines 466 474) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:45:44,928 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-08-26 08:45:44,929 INFO L853 garLoopResultBuilder]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (or .cse1 (<= ~waterLevel~0 1))) (.cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse2)))) [2021-08-26 08:45:44,929 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 171 179) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse4 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:45:44,929 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2021-08-26 08:45:44,929 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 171 179) the Hoare annotation is: false [2021-08-26 08:45:44,930 INFO L853 garLoopResultBuilder]: At program point L176-4(lines 171 179) the Hoare annotation is: false [2021-08-26 08:45:44,931 INFO L853 garLoopResultBuilder]: At program point L176-5(lines 171 179) the Hoare annotation is: false [2021-08-26 08:45:44,931 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-08-26 08:45:44,931 INFO L857 garLoopResultBuilder]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2021-08-26 08:45:44,932 INFO L857 garLoopResultBuilder]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2021-08-26 08:45:44,932 INFO L857 garLoopResultBuilder]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2021-08-26 08:45:44,932 INFO L857 garLoopResultBuilder]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2021-08-26 08:45:44,932 INFO L857 garLoopResultBuilder]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2021-08-26 08:45:44,932 INFO L853 garLoopResultBuilder]: At program point L971(lines 65 71) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse4 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:45:44,932 INFO L853 garLoopResultBuilder]: At program point L971-1(lines 65 71) the Hoare annotation is: false [2021-08-26 08:45:44,932 INFO L853 garLoopResultBuilder]: At program point L971-2(lines 65 71) the Hoare annotation is: false [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L853 garLoopResultBuilder]: At program point L941(lines 936 944) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-08-26 08:45:44,933 INFO L853 garLoopResultBuilder]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2021-08-26 08:45:44,933 INFO L853 garLoopResultBuilder]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2021-08-26 08:45:44,933 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 281 295) the Hoare annotation is: false [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 427) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L282(line 282) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L853 garLoopResultBuilder]: At program point L250(lines 235 253) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-08-26 08:45:44,933 INFO L853 garLoopResultBuilder]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2021-08-26 08:45:44,933 INFO L853 garLoopResultBuilder]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 289) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L385(lines 384 431) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 390) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-08-26 08:45:44,933 INFO L857 garLoopResultBuilder]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L420(lines 420 426) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L853 garLoopResultBuilder]: At program point L420-1(lines 420 426) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5)))) [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 140) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 123 140) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L123-2(lines 123 140) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L982(lines 982 999) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L853 garLoopResultBuilder]: At program point L982-1(lines 1 1002) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse5 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3)))) [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L982-2(lines 982 999) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L853 garLoopResultBuilder]: At program point L982-3(lines 1 1002) the Hoare annotation is: false [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L982-4(lines 982 999) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L853 garLoopResultBuilder]: At program point L982-5(lines 1 1002) the Hoare annotation is: false [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L950-1(line 950) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L857 garLoopResultBuilder]: For program point L950-2(line 950) no Hoare annotation was computed. [2021-08-26 08:45:44,934 INFO L853 garLoopResultBuilder]: At program point L918(lines 913 921) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse4 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse5) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5)))) [2021-08-26 08:45:44,934 INFO L853 garLoopResultBuilder]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2021-08-26 08:45:44,935 INFO L853 garLoopResultBuilder]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L853 garLoopResultBuilder]: At program point L258-1(lines 258 264) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-2(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-3(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-5(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-6(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-8(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-9(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-11(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-12(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-14(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-15(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L225-17(lines 225 229) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 135) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 127 135) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:45:44,935 INFO L857 garLoopResultBuilder]: For program point L986(lines 986 996) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L986-2(lines 986 996) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L986-4(lines 986 996) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L987(lines 987 993) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 367) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L860 garLoopResultBuilder]: At program point L360-1(lines 360 367) the Hoare annotation is: true [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 400) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L853 garLoopResultBuilder]: At program point L394-1(lines 394 400) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or .cse4 (<= ~waterLevel~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5)))) [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L97-2(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L97-3(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L97-4(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L97-5(lines 97 114) no Hoare annotation was computed. [2021-08-26 08:45:44,936 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)) (.cse2 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-08-26 08:45:44,936 INFO L853 garLoopResultBuilder]: At program point L65-1(lines 61 83) the Hoare annotation is: false [2021-08-26 08:45:44,936 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:45:44,937 INFO L853 garLoopResultBuilder]: At program point L65-2(lines 61 83) the Hoare annotation is: false [2021-08-26 08:45:44,937 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-08-26 08:45:44,937 INFO L853 garLoopResultBuilder]: At program point L231(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:44,937 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))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2))) [2021-08-26 08:45:44,937 INFO L853 garLoopResultBuilder]: At program point L231-2(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:44,937 INFO L853 garLoopResultBuilder]: At program point L231-3(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:44,937 INFO L853 garLoopResultBuilder]: At program point L231-4(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:44,937 INFO L853 garLoopResultBuilder]: At program point L231-5(lines 216 234) the Hoare annotation is: false [2021-08-26 08:45:44,937 INFO L853 garLoopResultBuilder]: At program point L463(lines 1 1002) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:45:44,937 INFO L853 garLoopResultBuilder]: At program point L331(lines 327 333) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:45:44,937 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-08-26 08:45:44,937 INFO L857 garLoopResultBuilder]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2021-08-26 08:45:44,937 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 932) no Hoare annotation was computed. [2021-08-26 08:45:44,937 INFO L857 garLoopResultBuilder]: For program point L926-3(lines 926 932) no Hoare annotation was computed. [2021-08-26 08:45:44,937 INFO L857 garLoopResultBuilder]: For program point L926-4(lines 926 932) no Hoare annotation was computed. [2021-08-26 08:45:44,937 INFO L857 garLoopResultBuilder]: For program point L926-5(lines 926 932) no Hoare annotation was computed. [2021-08-26 08:45:44,937 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:44,938 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:44,938 INFO L857 garLoopResultBuilder]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:44,938 INFO L857 garLoopResultBuilder]: For program point L101-3(lines 101 109) no Hoare annotation was computed. [2021-08-26 08:45:44,941 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:45:44,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:45:44 BoogieIcfgContainer [2021-08-26 08:45:44,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:45:44,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:45:44,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:45:44,965 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:45:44,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:39" (3/4) ... [2021-08-26 08:45:44,968 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:45:44,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:45:44,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:45:44,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:45:44,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:45:44,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:45:44,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:44,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:45,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && \result == 2) && pumpRunning == 1) && tmp == 2) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:45,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:45,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:45,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:45,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && \result == 1) && pumpRunning == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 0 == systemActive)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 1 == systemActive) [2021-08-26 08:45:45,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 0 == systemActive) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 1 == systemActive) [2021-08-26 08:45:45,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:45,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:45,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || ((((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && \result == 2) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:45,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1 [2021-08-26 08:45:45,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && 1 == systemActive) [2021-08-26 08:45:45,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 0 == systemActive) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 1 == systemActive) [2021-08-26 08:45:45,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1 [2021-08-26 08:45:45,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) [2021-08-26 08:45:45,048 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:45:45,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:45:45,050 INFO L168 Benchmark]: Toolchain (without parser) took 7031.28 ms. Allocated memory was 52.4 MB in the beginning and 167.8 MB in the end (delta: 115.3 MB). Free memory was 28.3 MB in the beginning and 87.1 MB in the end (delta: -58.8 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:45,050 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:45:45,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.49 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.1 MB in the beginning and 38.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:45,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.10 ms. Allocated memory is still 62.9 MB. Free memory was 38.2 MB in the beginning and 34.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:45,051 INFO L168 Benchmark]: Boogie Preprocessor took 61.19 ms. Allocated memory is still 62.9 MB. Free memory was 34.4 MB in the beginning and 31.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:45,051 INFO L168 Benchmark]: RCFGBuilder took 1036.19 ms. Allocated memory is still 62.9 MB. Free memory was 31.6 MB in the beginning and 29.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:45,051 INFO L168 Benchmark]: TraceAbstraction took 5379.72 ms. Allocated memory was 62.9 MB in the beginning and 167.8 MB in the end (delta: 104.9 MB). Free memory was 28.8 MB in the beginning and 97.6 MB in the end (delta: -68.8 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:45,051 INFO L168 Benchmark]: Witness Printer took 83.90 ms. Allocated memory is still 167.8 MB. Free memory was 97.6 MB in the beginning and 87.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:45,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 388.49 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.1 MB in the beginning and 38.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.10 ms. Allocated memory is still 62.9 MB. Free memory was 38.2 MB in the beginning and 34.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.19 ms. Allocated memory is still 62.9 MB. Free memory was 34.4 MB in the beginning and 31.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1036.19 ms. Allocated memory is still 62.9 MB. Free memory was 31.6 MB in the beginning and 29.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5379.72 ms. Allocated memory was 62.9 MB in the beginning and 167.8 MB in the end (delta: 104.9 MB). Free memory was 28.8 MB in the beginning and 97.6 MB in the end (delta: -68.8 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. * Witness Printer took 83.90 ms. Allocated memory is still 167.8 MB. Free memory was 97.6 MB in the beginning and 87.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 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: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: 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, 128 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5296.2ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 19.7ms, AutomataDifference: 987.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2259.3ms, InitialAbstractionConstructionTime: 14.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1194 SDtfs, 1227 SDslu, 1689 SDs, 0 SdLazy, 269 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 398.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 192.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred 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: 169.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 902 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 191 NumberOfFragments, 896 HoareAnnotationTreeSize, 51 FomulaSimplifications, 47663 FormulaSimplificationTreeSizeReduction, 440.8ms HoareSimplificationTime, 51 FomulaSimplificationsInter, 11908 FormulaSimplificationTreeSizeReductionInter, 1804.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 96.9ms SsaConstructionTime, 402.5ms SatisfiabilityAnalysisTime, 821.7ms InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 829 SizeOfPredicates, 3 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 41/47 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: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 0 == systemActive) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 1 == systemActive) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && \result == 2) && pumpRunning == 1) && tmp == 2) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || ((((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && \result == 2) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 0 == systemActive) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 1 == systemActive) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && \result == 1) && pumpRunning == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 0 == systemActive)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && 1 == systemActive) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: 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: 922]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((splverifierCounter == 0 && 2 == waterLevel) && 1 == systemActive) && pumpRunning == 1)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == systemActive)) || (((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:45:45,093 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...