./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product45.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_spec3_product45.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 115416f6b9263aced1374dbb9cce15bd25dca014 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:44:11,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:44:11,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:44:11,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:44:11,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:44:11,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:44:11,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:44:11,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:44:11,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:44:11,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:44:11,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:44:11,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:44:11,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:44:11,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:44:11,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:44:11,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:44:11,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:44:11,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:44:11,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:44:11,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:44:11,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:44:11,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:44:11,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:44:11,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:44:11,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:44:11,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:44:11,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:44:11,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:44:11,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:44:11,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:44:11,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:44:11,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:44:11,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:44:11,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:44:11,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:44:11,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:44:11,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:44:11,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:44:11,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:44:11,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:44:11,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:44:11,377 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:44:11,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:44:11,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:44:11,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:44:11,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:44:11,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:44:11,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:44:11,418 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:44:11,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:44:11,419 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:44:11,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:44:11,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:44:11,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:44:11,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:44:11,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:44:11,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:44:11,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:44:11,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:44:11,421 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:44:11,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:44:11,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:44:11,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:44:11,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:44:11,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:11,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:44:11,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:44:11,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:44:11,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:44:11,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:44:11,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:44:11,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:44:11,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115416f6b9263aced1374dbb9cce15bd25dca014 [2021-08-26 08:44:11,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:44:11,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:44:11,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:44:11,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:44:11,744 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:44:11,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-08-26 08:44:11,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d0ce9ef0/168e783718954f9ba493fa05432972a8/FLAG89e7fd4d4 [2021-08-26 08:44:12,341 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:44:12,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2021-08-26 08:44:12,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d0ce9ef0/168e783718954f9ba493fa05432972a8/FLAG89e7fd4d4 [2021-08-26 08:44:12,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d0ce9ef0/168e783718954f9ba493fa05432972a8 [2021-08-26 08:44:12,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:44:12,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:44:12,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:12,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:44:12,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:44:12,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:12" (1/1) ... [2021-08-26 08:44:12,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1318edf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:12, skipping insertion in model container [2021-08-26 08:44:12,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:12" (1/1) ... [2021-08-26 08:44:12,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:44:12,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:44:13,119 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_spec3_product45.cil.c[8293,8306] [2021-08-26 08:44:13,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:13,164 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:44:13,226 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_spec3_product45.cil.c[8293,8306] [2021-08-26 08:44:13,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:13,283 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:44:13,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13 WrapperNode [2021-08-26 08:44:13,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:13,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:13,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:44:13,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:44:13,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:13,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:44:13,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:44:13,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:44:13,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:44:13,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:44:13,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:44:13,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:44:13,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (1/1) ... [2021-08-26 08:44:13,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:13,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:13,510 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 08:44:13,533 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 08:44:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:44:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:44:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:44:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:44:14,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:44:14,478 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-08-26 08:44:14,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:14 BoogieIcfgContainer [2021-08-26 08:44:14,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:44:14,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:44:14,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:44:14,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:44:14,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:44:12" (1/3) ... [2021-08-26 08:44:14,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f02f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:14, skipping insertion in model container [2021-08-26 08:44:14,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:13" (2/3) ... [2021-08-26 08:44:14,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f02f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:14, skipping insertion in model container [2021-08-26 08:44:14,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:14" (3/3) ... [2021-08-26 08:44:14,488 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2021-08-26 08:44:14,492 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:44:14,492 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:44:14,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:44:14,538 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 08:44:14,538 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:44:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 08:44:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:44:14,557 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:14,558 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:14,558 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 08:44:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:14,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1981233963, now seen corresponding path program 1 times [2021-08-26 08:44:14,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:14,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535335754] [2021-08-26 08:44:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:14,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:14,845 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 08:44:14,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:14,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535335754] [2021-08-26 08:44:14,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535335754] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:14,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:14,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:14,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545744741] [2021-08-26 08:44:14,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:44:14,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:14,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:44:14,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:14,872 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 08:44:14,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:14,920 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-08-26 08:44:14,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:44:14,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-08-26 08:44:14,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:14,932 INFO L225 Difference]: With dead ends: 264 [2021-08-26 08:44:14,932 INFO L226 Difference]: Without dead ends: 131 [2021-08-26 08:44:14,935 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 08:44:14,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-08-26 08:44:14,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-08-26 08:44:14,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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 08:44:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-08-26 08:44:14,983 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2021-08-26 08:44:14,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:14,984 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-08-26 08:44:14,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 08:44:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-08-26 08:44:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:44:14,986 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:14,986 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 08:44:14,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:44:14,987 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 08:44:14,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:14,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1070203210, now seen corresponding path program 1 times [2021-08-26 08:44:14,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:14,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472406881] [2021-08-26 08:44:14,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:14,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,111 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 08:44:15,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472406881] [2021-08-26 08:44:15,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472406881] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:15,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244509880] [2021-08-26 08:44:15,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:15,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:15,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:15,116 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 08:44:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,140 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-08-26 08:44:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:15,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 08:44:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,143 INFO L225 Difference]: With dead ends: 131 [2021-08-26 08:44:15,143 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:44:15,144 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:15,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:44:15,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:44:15,152 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 08:44:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:44:15,154 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2021-08-26 08:44:15,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,154 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:44:15,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 08:44:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:44:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:44:15,156 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,156 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] [2021-08-26 08:44:15,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:44:15,157 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 08:44:15,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1049766460, now seen corresponding path program 1 times [2021-08-26 08:44:15,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386004613] [2021-08-26 08:44:15,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,291 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 08:44:15,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386004613] [2021-08-26 08:44:15,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386004613] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:15,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267052238] [2021-08-26 08:44:15,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:15,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:15,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:15,297 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 08:44:15,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,452 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-08-26 08:44:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:15,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2021-08-26 08:44:15,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,454 INFO L225 Difference]: With dead ends: 100 [2021-08-26 08:44:15,455 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:44:15,455 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:15,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:44:15,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:44:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 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 08:44:15,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-08-26 08:44:15,459 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2021-08-26 08:44:15,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,460 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-08-26 08:44:15,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 08:44:15,460 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-08-26 08:44:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:44:15,461 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,461 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 08:44:15,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:44:15,461 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 08:44:15,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,462 INFO L82 PathProgramCache]: Analyzing trace with hash -927374502, now seen corresponding path program 1 times [2021-08-26 08:44:15,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118871867] [2021-08-26 08:44:15,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,508 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 08:44:15,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118871867] [2021-08-26 08:44:15,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118871867] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:15,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039580797] [2021-08-26 08:44:15,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:15,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:15,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:15,511 INFO L87 Difference]: Start difference. First operand 53 states and 75 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 08:44:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,554 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2021-08-26 08:44:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:15,555 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 08:44:15,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,557 INFO L225 Difference]: With dead ends: 123 [2021-08-26 08:44:15,557 INFO L226 Difference]: Without dead ends: 76 [2021-08-26 08:44:15,558 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-08-26 08:44:15,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-08-26 08:44:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 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 08:44:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2021-08-26 08:44:15,574 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2021-08-26 08:44:15,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,574 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2021-08-26 08:44:15,574 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 08:44:15,574 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-08-26 08:44:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:15,578 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,578 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] [2021-08-26 08:44:15,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:44:15,579 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 08:44:15,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,579 INFO L82 PathProgramCache]: Analyzing trace with hash -44236562, now seen corresponding path program 1 times [2021-08-26 08:44:15,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069852826] [2021-08-26 08:44:15,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,684 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 08:44:15,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069852826] [2021-08-26 08:44:15,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069852826] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:15,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744356648] [2021-08-26 08:44:15,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:15,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:15,686 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 08:44:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:15,845 INFO L93 Difference]: Finished difference Result 373 states and 541 transitions. [2021-08-26 08:44:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:15,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-08-26 08:44:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:15,848 INFO L225 Difference]: With dead ends: 373 [2021-08-26 08:44:15,848 INFO L226 Difference]: Without dead ends: 305 [2021-08-26 08:44:15,849 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 47.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:15,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-08-26 08:44:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-08-26 08:44:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3916666666666666) internal successors, (167), 120 states have internal predecessors, (167), 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 08:44:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2021-08-26 08:44:15,858 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 32 [2021-08-26 08:44:15,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:15,858 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2021-08-26 08:44:15,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 08:44:15,858 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2021-08-26 08:44:15,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:15,859 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,859 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] [2021-08-26 08:44:15,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:44:15,859 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 08:44:15,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1115283092, now seen corresponding path program 1 times [2021-08-26 08:44:15,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914011089] [2021-08-26 08:44:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:15,905 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 08:44:15,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:15,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914011089] [2021-08-26 08:44:15,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914011089] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:15,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:15,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:15,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66931517] [2021-08-26 08:44:15,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:15,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:15,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:15,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:15,907 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 08:44:16,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,022 INFO L93 Difference]: Finished difference Result 250 states and 352 transitions. [2021-08-26 08:44:16,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:44:16,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-08-26 08:44:16,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,024 INFO L225 Difference]: With dead ends: 250 [2021-08-26 08:44:16,024 INFO L226 Difference]: Without dead ends: 182 [2021-08-26 08:44:16,024 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:16,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-08-26 08:44:16,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-08-26 08:44:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3932584269662922) internal successors, (248), 178 states have internal predecessors, (248), 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 08:44:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 248 transitions. [2021-08-26 08:44:16,033 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 248 transitions. Word has length 33 [2021-08-26 08:44:16,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,034 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 248 transitions. [2021-08-26 08:44:16,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 08:44:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 248 transitions. [2021-08-26 08:44:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:16,035 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,035 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] [2021-08-26 08:44:16,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:44:16,035 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 08:44:16,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,036 INFO L82 PathProgramCache]: Analyzing trace with hash -2126400342, now seen corresponding path program 1 times [2021-08-26 08:44:16,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525862502] [2021-08-26 08:44:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,088 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 08:44:16,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525862502] [2021-08-26 08:44:16,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525862502] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:16,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521620700] [2021-08-26 08:44:16,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:16,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:16,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:16,091 INFO L87 Difference]: Start difference. First operand 179 states and 248 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 08:44:16,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,161 INFO L93 Difference]: Finished difference Result 497 states and 700 transitions. [2021-08-26 08:44:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:16,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-08-26 08:44:16,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,165 INFO L225 Difference]: With dead ends: 497 [2021-08-26 08:44:16,165 INFO L226 Difference]: Without dead ends: 370 [2021-08-26 08:44:16,167 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:16,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-08-26 08:44:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 179. [2021-08-26 08:44:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3820224719101124) internal successors, (246), 178 states have internal predecessors, (246), 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 08:44:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 246 transitions. [2021-08-26 08:44:16,181 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 246 transitions. Word has length 33 [2021-08-26 08:44:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,181 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 246 transitions. [2021-08-26 08:44:16,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 08:44:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 246 transitions. [2021-08-26 08:44:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:16,182 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,182 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] [2021-08-26 08:44:16,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:44:16,183 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 08:44:16,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1868234904, now seen corresponding path program 1 times [2021-08-26 08:44:16,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137514351] [2021-08-26 08:44:16,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,265 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 08:44:16,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137514351] [2021-08-26 08:44:16,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137514351] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:16,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735970845] [2021-08-26 08:44:16,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:16,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:16,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:16,268 INFO L87 Difference]: Start difference. First operand 179 states and 246 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 08:44:16,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,364 INFO L93 Difference]: Finished difference Result 540 states and 754 transitions. [2021-08-26 08:44:16,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:16,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-08-26 08:44:16,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,367 INFO L225 Difference]: With dead ends: 540 [2021-08-26 08:44:16,367 INFO L226 Difference]: Without dead ends: 367 [2021-08-26 08:44:16,367 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:16,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-08-26 08:44:16,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 188. [2021-08-26 08:44:16,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.3529411764705883) internal successors, (253), 187 states have internal predecessors, (253), 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 08:44:16,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 253 transitions. [2021-08-26 08:44:16,379 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 253 transitions. Word has length 33 [2021-08-26 08:44:16,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,379 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 253 transitions. [2021-08-26 08:44:16,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 08:44:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 253 transitions. [2021-08-26 08:44:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:44:16,380 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,381 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, 1] [2021-08-26 08:44:16,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:44:16,381 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 08:44:16,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,381 INFO L82 PathProgramCache]: Analyzing trace with hash 941421312, now seen corresponding path program 1 times [2021-08-26 08:44:16,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103143126] [2021-08-26 08:44:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,447 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 08:44:16,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103143126] [2021-08-26 08:44:16,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103143126] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:16,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229781474] [2021-08-26 08:44:16,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:16,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:16,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:16,449 INFO L87 Difference]: Start difference. First operand 188 states and 253 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 08:44:16,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,749 INFO L93 Difference]: Finished difference Result 1177 states and 1553 transitions. [2021-08-26 08:44:16,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-26 08:44:16,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-08-26 08:44:16,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,754 INFO L225 Difference]: With dead ends: 1177 [2021-08-26 08:44:16,754 INFO L226 Difference]: Without dead ends: 995 [2021-08-26 08:44:16,755 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 128.9ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-08-26 08:44:16,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2021-08-26 08:44:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 356. [2021-08-26 08:44:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3295774647887324) internal successors, (472), 355 states have internal predecessors, (472), 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 08:44:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 472 transitions. [2021-08-26 08:44:16,790 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 472 transitions. Word has length 36 [2021-08-26 08:44:16,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,791 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 472 transitions. [2021-08-26 08:44:16,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 08:44:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 472 transitions. [2021-08-26 08:44:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:44:16,792 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,792 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, 1] [2021-08-26 08:44:16,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:44:16,792 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 08:44:16,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1621479682, now seen corresponding path program 1 times [2021-08-26 08:44:16,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480716145] [2021-08-26 08:44:16,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,849 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 08:44:16,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480716145] [2021-08-26 08:44:16,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480716145] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:16,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002924253] [2021-08-26 08:44:16,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:16,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:16,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:16,852 INFO L87 Difference]: Start difference. First operand 356 states and 472 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 08:44:17,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,065 INFO L93 Difference]: Finished difference Result 930 states and 1259 transitions. [2021-08-26 08:44:17,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:17,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-08-26 08:44:17,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,068 INFO L225 Difference]: With dead ends: 930 [2021-08-26 08:44:17,069 INFO L226 Difference]: Without dead ends: 580 [2021-08-26 08:44:17,070 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 47.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:17,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-08-26 08:44:17,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 302. [2021-08-26 08:44:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.2923588039867109) internal successors, (389), 301 states have internal predecessors, (389), 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 08:44:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 389 transitions. [2021-08-26 08:44:17,094 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 389 transitions. Word has length 36 [2021-08-26 08:44:17,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,094 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 389 transitions. [2021-08-26 08:44:17,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 08:44:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 389 transitions. [2021-08-26 08:44:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-26 08:44:17,095 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,096 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, 1, 1] [2021-08-26 08:44:17,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:44:17,096 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 08:44:17,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,097 INFO L82 PathProgramCache]: Analyzing trace with hash 886341574, now seen corresponding path program 1 times [2021-08-26 08:44:17,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989022556] [2021-08-26 08:44:17,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,196 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 08:44:17,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989022556] [2021-08-26 08:44:17,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989022556] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-26 08:44:17,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127486862] [2021-08-26 08:44:17,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:44:17,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:44:17,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:17,199 INFO L87 Difference]: Start difference. First operand 302 states and 389 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 08:44:17,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,497 INFO L93 Difference]: Finished difference Result 889 states and 1138 transitions. [2021-08-26 08:44:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-26 08:44:17,498 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 37 [2021-08-26 08:44:17,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,501 INFO L225 Difference]: With dead ends: 889 [2021-08-26 08:44:17,501 INFO L226 Difference]: Without dead ends: 593 [2021-08-26 08:44:17,502 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 151.8ms TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-08-26 08:44:17,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-08-26 08:44:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 282. [2021-08-26 08:44:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.2526690391459074) internal successors, (352), 281 states have internal predecessors, (352), 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 08:44:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 352 transitions. [2021-08-26 08:44:17,530 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 352 transitions. Word has length 37 [2021-08-26 08:44:17,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,531 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 352 transitions. [2021-08-26 08:44:17,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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 08:44:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 352 transitions. [2021-08-26 08:44:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 08:44:17,532 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,532 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:17,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:44:17,533 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:17,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,533 INFO L82 PathProgramCache]: Analyzing trace with hash 2123545264, now seen corresponding path program 1 times [2021-08-26 08:44:17,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959546402] [2021-08-26 08:44:17,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:44:17,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959546402] [2021-08-26 08:44:17,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959546402] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:17,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888868865] [2021-08-26 08:44:17,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:17,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:17,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,615 INFO L87 Difference]: Start difference. First operand 282 states and 352 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 08:44:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,690 INFO L93 Difference]: Finished difference Result 653 states and 819 transitions. [2021-08-26 08:44:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:17,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 53 [2021-08-26 08:44:17,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,693 INFO L225 Difference]: With dead ends: 653 [2021-08-26 08:44:17,693 INFO L226 Difference]: Without dead ends: 377 [2021-08-26 08:44:17,694 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:17,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-08-26 08:44:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 282. [2021-08-26 08:44:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.2384341637010676) internal successors, (348), 281 states have internal predecessors, (348), 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 08:44:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 348 transitions. [2021-08-26 08:44:17,716 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 348 transitions. Word has length 53 [2021-08-26 08:44:17,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,717 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 348 transitions. [2021-08-26 08:44:17,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 08:44:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2021-08-26 08:44:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 08:44:17,719 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,719 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:17,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:44:17,720 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:17,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2051158706, now seen corresponding path program 1 times [2021-08-26 08:44:17,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458741987] [2021-08-26 08:44:17,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:44:17,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458741987] [2021-08-26 08:44:17,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458741987] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:17,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440678055] [2021-08-26 08:44:17,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:17,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:17,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:17,797 INFO L87 Difference]: Start difference. First operand 282 states and 348 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 08:44:17,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,845 INFO L93 Difference]: Finished difference Result 600 states and 751 transitions. [2021-08-26 08:44:17,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:44:17,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 53 [2021-08-26 08:44:17,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,848 INFO L225 Difference]: With dead ends: 600 [2021-08-26 08:44:17,848 INFO L226 Difference]: Without dead ends: 324 [2021-08-26 08:44:17,848 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-08-26 08:44:17,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 240. [2021-08-26 08:44:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2426778242677825) internal successors, (297), 239 states have internal predecessors, (297), 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 08:44:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 297 transitions. [2021-08-26 08:44:17,866 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 297 transitions. Word has length 53 [2021-08-26 08:44:17,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,866 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 297 transitions. [2021-08-26 08:44:17,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 08:44:17,867 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 297 transitions. [2021-08-26 08:44:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-26 08:44:17,867 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,868 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 08:44:17,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-26 08:44:17,868 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:17,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1485859958, now seen corresponding path program 1 times [2021-08-26 08:44:17,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687400927] [2021-08-26 08:44:17,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:17,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687400927] [2021-08-26 08:44:17,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687400927] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:17,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599341033] [2021-08-26 08:44:17,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:17,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:17,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,926 INFO L87 Difference]: Start difference. First operand 240 states and 297 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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 08:44:18,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:18,030 INFO L93 Difference]: Finished difference Result 612 states and 756 transitions. [2021-08-26 08:44:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:18,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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 08:44:18,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:18,032 INFO L225 Difference]: With dead ends: 612 [2021-08-26 08:44:18,032 INFO L226 Difference]: Without dead ends: 378 [2021-08-26 08:44:18,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 32.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:18,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-08-26 08:44:18,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 240. [2021-08-26 08:44:18,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2259414225941423) internal successors, (293), 239 states have internal predecessors, (293), 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 08:44:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 293 transitions. [2021-08-26 08:44:18,055 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 293 transitions. Word has length 54 [2021-08-26 08:44:18,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,055 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 293 transitions. [2021-08-26 08:44:18,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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 08:44:18,055 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 293 transitions. [2021-08-26 08:44:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:44:18,056 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:18,056 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:18,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-26 08:44:18,056 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:18,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:18,057 INFO L82 PathProgramCache]: Analyzing trace with hash 675182755, now seen corresponding path program 1 times [2021-08-26 08:44:18,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:18,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674707627] [2021-08-26 08:44:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-26 08:44:18,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:18,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674707627] [2021-08-26 08:44:18,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674707627] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:18,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:18,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:18,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178943962] [2021-08-26 08:44:18,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:18,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:18,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:18,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:18,113 INFO L87 Difference]: Start difference. First operand 240 states and 293 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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 08:44:18,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:18,254 INFO L93 Difference]: Finished difference Result 571 states and 706 transitions. [2021-08-26 08:44:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:44:18,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-08-26 08:44:18,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:18,256 INFO L225 Difference]: With dead ends: 571 [2021-08-26 08:44:18,256 INFO L226 Difference]: Without dead ends: 387 [2021-08-26 08:44:18,258 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 53.2ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:44:18,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-08-26 08:44:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 240. [2021-08-26 08:44:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2217573221757323) internal successors, (292), 239 states have internal predecessors, (292), 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 08:44:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 292 transitions. [2021-08-26 08:44:18,278 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 292 transitions. Word has length 56 [2021-08-26 08:44:18,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,278 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 292 transitions. [2021-08-26 08:44:18,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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 08:44:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 292 transitions. [2021-08-26 08:44:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-08-26 08:44:18,279 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:18,279 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:18,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-26 08:44:18,280 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:18,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:18,281 INFO L82 PathProgramCache]: Analyzing trace with hash 666594362, now seen corresponding path program 1 times [2021-08-26 08:44:18,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:18,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988102803] [2021-08-26 08:44:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-26 08:44:18,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:18,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988102803] [2021-08-26 08:44:18,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988102803] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:18,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:18,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-26 08:44:18,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652834129] [2021-08-26 08:44:18,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:44:18,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:18,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:44:18,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:18,364 INFO L87 Difference]: Start difference. First operand 240 states and 292 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 08:44:18,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:18,629 INFO L93 Difference]: Finished difference Result 609 states and 743 transitions. [2021-08-26 08:44:18,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 08:44:18,629 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 77 [2021-08-26 08:44:18,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:18,631 INFO L225 Difference]: With dead ends: 609 [2021-08-26 08:44:18,631 INFO L226 Difference]: Without dead ends: 425 [2021-08-26 08:44:18,632 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 127.0ms TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-08-26 08:44:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-08-26 08:44:18,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 232. [2021-08-26 08:44:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.2207792207792207) internal successors, (282), 231 states have internal predecessors, (282), 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 08:44:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 282 transitions. [2021-08-26 08:44:18,652 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 282 transitions. Word has length 77 [2021-08-26 08:44:18,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,652 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 282 transitions. [2021-08-26 08:44:18,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 08:44:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 282 transitions. [2021-08-26 08:44:18,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-26 08:44:18,653 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:18,653 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:18,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-26 08:44:18,653 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:18,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:18,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1176968629, now seen corresponding path program 1 times [2021-08-26 08:44:18,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:18,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374795777] [2021-08-26 08:44:18,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-08-26 08:44:18,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:18,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374795777] [2021-08-26 08:44:18,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374795777] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:18,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:18,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:18,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268965966] [2021-08-26 08:44:18,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:18,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:18,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:18,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:18,707 INFO L87 Difference]: Start difference. First operand 232 states and 282 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 08:44:18,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:18,835 INFO L93 Difference]: Finished difference Result 887 states and 1096 transitions. [2021-08-26 08:44:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:18,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 79 [2021-08-26 08:44:18,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:18,836 INFO L225 Difference]: With dead ends: 887 [2021-08-26 08:44:18,836 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:44:18,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:18,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:44:18,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:44:18,837 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 08:44:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:44:18,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2021-08-26 08:44:18,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,838 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:44:18,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 08:44:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:44:18,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:44:18,840 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:18,841 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:18,841 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:18,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-26 08:44:18,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:44:18,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:18,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:21,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:30,190 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 582) no Hoare annotation was computed. [2021-08-26 08:44:30,191 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-08-26 08:44:30,191 INFO L853 garLoopResultBuilder]: At program point L498-1(lines 498 504) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse19 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse12 (= ~waterLevel~0 1)) (.cse13 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse9 (not .cse19)) (.cse16 (not .cse3)) (.cse10 (= ULTIMATE.start_main_~tmp~1 1)) (.cse11 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse18 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse14 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse15 (not .cse7)) (.cse6 (= 1 ~systemActive~0)) (.cse17 (not .cse8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse0 .cse1 .cse7 .cse3 .cse8 .cse9 .cse6 .cse10 .cse11 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse12) (and (or (and .cse13 .cse0 .cse6 .cse12 .cse14) (and .cse13 .cse0 .cse5 .cse6 .cse14)) .cse9 .cse15 .cse16 .cse10 .cse11 .cse17) (and .cse0 .cse1 .cse9 .cse15 .cse6 .cse16 .cse10 .cse11 .cse17) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) .cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse15 .cse6 .cse12 .cse17) (and .cse13 .cse0 .cse7 .cse3 .cse8 .cse6 .cse10 .cse11 .cse18 .cse19 .cse14) (and .cse8 (or (and .cse13 .cse0 .cse7 .cse3 .cse6 .cse12 .cse14) (and .cse13 .cse0 .cse7 .cse3 .cse5 .cse6 .cse14)) .cse10 .cse11 .cse19) (and .cse13 .cse0 .cse9 .cse15 .cse6 .cse16 .cse10 .cse11 .cse18 .cse17 .cse14) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse15 .cse6 .cse17)))) [2021-08-26 08:44:30,192 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 274) no Hoare annotation was computed. [2021-08-26 08:44:30,192 INFO L860 garLoopResultBuilder]: At program point L267-1(lines 267 274) the Hoare annotation is: true [2021-08-26 08:44:30,192 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2021-08-26 08:44:30,192 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2021-08-26 08:44:30,192 INFO L857 garLoopResultBuilder]: For program point L168-2(lines 168 174) no Hoare annotation was computed. [2021-08-26 08:44:30,192 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 168 174) no Hoare annotation was computed. [2021-08-26 08:44:30,193 INFO L857 garLoopResultBuilder]: For program point L168-4(lines 168 174) no Hoare annotation was computed. [2021-08-26 08:44:30,193 INFO L857 garLoopResultBuilder]: For program point L168-5(lines 168 174) no Hoare annotation was computed. [2021-08-26 08:44:30,193 INFO L853 garLoopResultBuilder]: At program point L565(lines 1 951) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:44:30,193 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-08-26 08:44:30,193 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,193 INFO L857 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,193 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,194 INFO L857 garLoopResultBuilder]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,194 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,194 INFO L857 garLoopResultBuilder]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,197 INFO L857 garLoopResultBuilder]: For program point L467-9(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,197 INFO L857 garLoopResultBuilder]: For program point L467-11(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,197 INFO L857 garLoopResultBuilder]: For program point L467-12(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,198 INFO L857 garLoopResultBuilder]: For program point L467-14(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,198 INFO L857 garLoopResultBuilder]: For program point L467-15(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,198 INFO L857 garLoopResultBuilder]: For program point L467-17(lines 467 471) no Hoare annotation was computed. [2021-08-26 08:44:30,198 INFO L853 garLoopResultBuilder]: At program point L534(lines 487 535) the Hoare annotation is: false [2021-08-26 08:44:30,198 INFO L853 garLoopResultBuilder]: At program point L173(lines 164 177) the Hoare annotation is: false [2021-08-26 08:44:30,198 INFO L853 garLoopResultBuilder]: At program point L173-1(lines 164 177) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse5 (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)))) [2021-08-26 08:44:30,199 INFO L853 garLoopResultBuilder]: At program point L173-2(lines 164 177) the Hoare annotation is: false [2021-08-26 08:44:30,199 INFO L853 garLoopResultBuilder]: At program point L173-3(lines 164 177) the Hoare annotation is: false [2021-08-26 08:44:30,199 INFO L853 garLoopResultBuilder]: At program point L173-4(lines 164 177) the Hoare annotation is: false [2021-08-26 08:44:30,199 INFO L853 garLoopResultBuilder]: At program point L173-5(lines 164 177) the Hoare annotation is: false [2021-08-26 08:44:30,199 INFO L853 garLoopResultBuilder]: At program point L240(lines 236 242) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:44:30,199 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 582) no Hoare annotation was computed. [2021-08-26 08:44:30,199 INFO L853 garLoopResultBuilder]: At program point L473(lines 458 476) the Hoare annotation is: false [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L473-1(lines 458 476) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse8 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse4 .cse5 .cse6 .cse7 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse4 .cse5 .cse6 .cse8 .cse7) (and .cse0 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) .cse6 .cse8 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L473-3(lines 458 476) the Hoare annotation is: false [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L473-4(lines 458 476) the Hoare annotation is: false [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L473-5(lines 458 476) the Hoare annotation is: false [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L573(lines 568 576) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:44:30,200 INFO L860 garLoopResultBuilder]: At program point L276(lines 257 279) the Hoare annotation is: true [2021-08-26 08:44:30,200 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L508-1(lines 508 514) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse5 (= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_main_~tmp~1 1)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~3 0) .cse7) (and .cse0 .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse4) (and (or (and .cse6 .cse0 .cse4 .cse5 .cse7) (and .cse6 .cse0 .cse8 .cse4 .cse7)) .cse9 .cse10) (and .cse0 .cse1 .cse8 .cse4 .cse9 .cse10))) [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L409(lines 402 412) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (not .cse2) (not .cse3) .cse4 (not .cse5) .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse5 .cse4 (= ULTIMATE.start_main_~tmp~1 1) .cse6 .cse2 .cse7))) [2021-08-26 08:44:30,200 INFO L853 garLoopResultBuilder]: At program point L409-1(lines 402 412) the Hoare annotation is: false [2021-08-26 08:44:30,201 INFO L853 garLoopResultBuilder]: At program point L409-2(lines 402 412) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 1)) (.cse13 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse9 (= ULTIMATE.start_main_~tmp~1 1)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not .cse13) .cse7 (not .cse5) .cse8 (not .cse6) .cse9 .cse10 .cse11 .cse12))) [2021-08-26 08:44:30,201 INFO L853 garLoopResultBuilder]: At program point L409-3(lines 402 412) the Hoare annotation is: false [2021-08-26 08:44:30,201 INFO L853 garLoopResultBuilder]: At program point L409-4(lines 402 412) the Hoare annotation is: false [2021-08-26 08:44:30,201 INFO L853 garLoopResultBuilder]: At program point L409-5(lines 402 412) the Hoare annotation is: false [2021-08-26 08:44:30,201 INFO L853 garLoopResultBuilder]: At program point L409-6(lines 402 412) the Hoare annotation is: false [2021-08-26 08:44:30,201 INFO L853 garLoopResultBuilder]: At program point L409-7(lines 402 412) the Hoare annotation is: false [2021-08-26 08:44:30,201 INFO L853 garLoopResultBuilder]: At program point L409-8(lines 402 412) the Hoare annotation is: false [2021-08-26 08:44:30,201 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2021-08-26 08:44:30,201 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 365) no Hoare annotation was computed. [2021-08-26 08:44:30,201 INFO L857 garLoopResultBuilder]: For program point L348-1(lines 348 365) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 365) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point L582-1(line 582) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point L582-2(line 582) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point L384(lines 384 390) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point L384-2(lines 384 390) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point L384-4(lines 384 390) no Hoare annotation was computed. [2021-08-26 08:44:30,202 INFO L857 garLoopResultBuilder]: For program point L384-6(lines 384 390) no Hoare annotation was computed. [2021-08-26 08:44:30,203 INFO L857 garLoopResultBuilder]: For program point L384-8(lines 384 390) no Hoare annotation was computed. [2021-08-26 08:44:30,203 INFO L857 garLoopResultBuilder]: For program point L384-10(lines 384 390) no Hoare annotation was computed. [2021-08-26 08:44:30,203 INFO L853 garLoopResultBuilder]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse9 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse10 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~3 0) .cse8 .cse9 .cse10) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 1) .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10))) [2021-08-26 08:44:30,203 INFO L853 garLoopResultBuilder]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-08-26 08:44:30,203 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 360) no Hoare annotation was computed. [2021-08-26 08:44:30,203 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-08-26 08:44:30,204 INFO L857 garLoopResultBuilder]: For program point L352-1(lines 352 360) no Hoare annotation was computed. [2021-08-26 08:44:30,204 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 360) no Hoare annotation was computed. [2021-08-26 08:44:30,204 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 75) no Hoare annotation was computed. [2021-08-26 08:44:30,204 INFO L857 garLoopResultBuilder]: For program point L55-2(lines 55 75) no Hoare annotation was computed. [2021-08-26 08:44:30,204 INFO L857 garLoopResultBuilder]: For program point L55-4(lines 55 75) no Hoare annotation was computed. [2021-08-26 08:44:30,204 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 529) no Hoare annotation was computed. [2021-08-26 08:44:30,204 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 339) no Hoare annotation was computed. [2021-08-26 08:44:30,204 INFO L857 garLoopResultBuilder]: For program point L322-1(lines 322 339) no Hoare annotation was computed. [2021-08-26 08:44:30,205 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:44:30,205 INFO L857 garLoopResultBuilder]: For program point L322-2(lines 322 339) no Hoare annotation was computed. [2021-08-26 08:44:30,205 INFO L857 garLoopResultBuilder]: For program point L322-3(lines 322 339) no Hoare annotation was computed. [2021-08-26 08:44:30,205 INFO L857 garLoopResultBuilder]: For program point L322-4(lines 322 339) no Hoare annotation was computed. [2021-08-26 08:44:30,205 INFO L857 garLoopResultBuilder]: For program point L322-5(lines 322 339) no Hoare annotation was computed. [2021-08-26 08:44:30,205 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 95) no Hoare annotation was computed. [2021-08-26 08:44:30,205 INFO L857 garLoopResultBuilder]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2021-08-26 08:44:30,206 INFO L857 garLoopResultBuilder]: For program point L91-6(lines 91 95) no Hoare annotation was computed. [2021-08-26 08:44:30,206 INFO L853 garLoopResultBuilder]: At program point L290(lines 289 308) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse4) (and (= ULTIMATE.start_activatePump_~tmp~4 0) .cse0 .cse4 .cse5 .cse6 (= ~pumpRunning~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6))) [2021-08-26 08:44:30,206 INFO L857 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2021-08-26 08:44:30,206 INFO L853 garLoopResultBuilder]: At program point L290-2(lines 289 308) the Hoare annotation is: false [2021-08-26 08:44:30,206 INFO L853 garLoopResultBuilder]: At program point L290-3(lines 289 308) the Hoare annotation is: false [2021-08-26 08:44:30,206 INFO L853 garLoopResultBuilder]: At program point L191-2(lines 191 205) the Hoare annotation is: false [2021-08-26 08:44:30,207 INFO L857 garLoopResultBuilder]: For program point L489(lines 488 533) no Hoare annotation was computed. [2021-08-26 08:44:30,207 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-08-26 08:44:30,207 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-08-26 08:44:30,207 INFO L853 garLoopResultBuilder]: At program point L160(lines 155 163) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 1) .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9) (and .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) .cse2 .cse3 .cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse5 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0) .cse6 .cse7 (= ~waterLevel~0 1)) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 .cse10 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse2 .cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse4 (<= ~waterLevel~0 1) (not .cse8) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~3 0) .cse8 .cse9))) [2021-08-26 08:44:30,207 INFO L853 garLoopResultBuilder]: At program point L160-1(lines 155 163) the Hoare annotation is: false [2021-08-26 08:44:30,207 INFO L853 garLoopResultBuilder]: At program point L160-2(lines 155 163) the Hoare annotation is: false [2021-08-26 08:44:30,207 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-08-26 08:44:30,208 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:44:30,208 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 951) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse11 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse12 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse16 (not .cse8)) (.cse14 (not .cse2)) (.cse5 (= 1 ~systemActive~0)) (.cse18 (not .cse3)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (not .cse4))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 1) .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9) (and .cse1 .cse10 .cse11 .cse3 .cse12 .cse5 .cse13) (and .cse1 .cse10 .cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) .cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse14 .cse5 .cse13 .cse15) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 .cse10 .cse2 .cse3 .cse12 .cse4 (<= ~waterLevel~0 1) .cse16 .cse5 .cse7 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse17 .cse8 .cse9) (and .cse0 .cse1 .cse16 .cse14 .cse5 .cse18 .cse6 .cse7 .cse17 .cse15 .cse9) (and .cse1 .cse10 .cse12 .cse16 .cse14 .cse5 .cse18 .cse7 .cse15)))) [2021-08-26 08:44:30,208 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-08-26 08:44:30,208 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 951) the Hoare annotation is: false [2021-08-26 08:44:30,208 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-08-26 08:44:30,208 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 951) the Hoare annotation is: false [2021-08-26 08:44:30,209 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 528) no Hoare annotation was computed. [2021-08-26 08:44:30,209 INFO L857 garLoopResultBuilder]: For program point L524-2(lines 290 296) no Hoare annotation was computed. [2021-08-26 08:44:30,209 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 334) no Hoare annotation was computed. [2021-08-26 08:44:30,209 INFO L857 garLoopResultBuilder]: For program point L326-1(lines 326 334) no Hoare annotation was computed. [2021-08-26 08:44:30,209 INFO L857 garLoopResultBuilder]: For program point L326-2(lines 326 334) no Hoare annotation was computed. [2021-08-26 08:44:30,209 INFO L857 garLoopResultBuilder]: For program point L326-3(lines 326 334) no Hoare annotation was computed. [2021-08-26 08:44:30,209 INFO L857 garLoopResultBuilder]: For program point L326-4(lines 326 334) no Hoare annotation was computed. [2021-08-26 08:44:30,210 INFO L857 garLoopResultBuilder]: For program point L326-5(lines 326 334) no Hoare annotation was computed. [2021-08-26 08:44:30,210 INFO L853 garLoopResultBuilder]: At program point L128(lines 123 131) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (not .cse2) .cse3 (not .cse4) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse3 (= ULTIMATE.start_main_~tmp~1 1) .cse5 .cse6))) [2021-08-26 08:44:30,210 INFO L853 garLoopResultBuilder]: At program point L128-1(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,210 INFO L853 garLoopResultBuilder]: At program point L128-2(lines 123 131) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse7 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_main_~tmp~1 1)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not .cse6) .cse7 (not .cse8) .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse8 .cse5 .cse7 .cse9 .cse10 .cse11 .cse12))) [2021-08-26 08:44:30,210 INFO L853 garLoopResultBuilder]: At program point L128-3(lines 123 131) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse15 (= ~waterLevel~0 1)) (.cse4 (not .cse9)) (.cse11 (not .cse2)) (.cse12 (not .cse3)) (.cse8 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse10 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 1) .cse2 .cse3 (<= 2 ~waterLevel~0) .cse5 .cse6 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse9 .cse10) (and .cse0 .cse1 .cse4 .cse11 .cse5 .cse12 .cse6 .cse7) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 .cse13 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse14 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0) .cse6 .cse7 .cse15) (and .cse0 .cse1 .cse13 .cse14 .cse11 .cse5 .cse12 .cse6 .cse7 .cse15) (and .cse8 .cse0 .cse4 .cse11 .cse5 .cse12 .cse6 .cse7 .cse16 .cse10) (and .cse8 .cse0 .cse2 .cse3 .cse5 .cse6 .cse7 .cse16 .cse9 .cse10)))) [2021-08-26 08:44:30,210 INFO L853 garLoopResultBuilder]: At program point L128-4(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,211 INFO L853 garLoopResultBuilder]: At program point L128-5(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,211 INFO L853 garLoopResultBuilder]: At program point L128-6(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,211 INFO L853 garLoopResultBuilder]: At program point L128-7(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,211 INFO L853 garLoopResultBuilder]: At program point L128-8(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,211 INFO L853 garLoopResultBuilder]: At program point L128-9(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,211 INFO L853 garLoopResultBuilder]: At program point L128-10(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,211 INFO L853 garLoopResultBuilder]: At program point L128-11(lines 123 131) the Hoare annotation is: false [2021-08-26 08:44:30,212 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 199) no Hoare annotation was computed. [2021-08-26 08:44:30,212 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 290 296) no Hoare annotation was computed. [2021-08-26 08:44:30,212 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-08-26 08:44:30,212 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:44:30,212 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-08-26 08:44:30,212 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-08-26 08:44:30,213 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 582) no Hoare annotation was computed. [2021-08-26 08:44:30,213 INFO L853 garLoopResultBuilder]: At program point L297(lines 297 303) the Hoare annotation is: (let ((.cse9 (= ~methaneLevelCritical~0 0)) (.cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| 0))) (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse16 (= ~waterLevel~0 1)) (.cse4 (not .cse12)) (.cse6 (not .cse9)) (.cse7 (= ULTIMATE.start_activatePump_~tmp~4 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= 1 ~systemActive~0)) (.cse10 (= ULTIMATE.start_main_~tmp~1 1)) (.cse11 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse13 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 1) .cse8 .cse9 (<= 2 ~waterLevel~0) .cse5 .cse10 .cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 .cse14 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse15 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~2 0) .cse10 .cse11 .cse16) (and .cse0 .cse1 .cse14 .cse15 .cse5 .cse6 .cse10 .cse11 .cse16) (and .cse7 .cse0 .cse4 (not .cse8) .cse5 .cse6 .cse10 .cse11 .cse17 .cse13) (and .cse7 .cse0 .cse8 .cse9 .cse5 .cse10 .cse11 .cse17 .cse12 .cse13)))) [2021-08-26 08:44:30,213 INFO L853 garLoopResultBuilder]: At program point L297-1(lines 297 303) the Hoare annotation is: false [2021-08-26 08:44:30,213 INFO L853 garLoopResultBuilder]: At program point L297-2(lines 297 303) the Hoare annotation is: false [2021-08-26 08:44:30,217 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:44:30,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:44:30 BoogieIcfgContainer [2021-08-26 08:44:30,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:44:30,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:44:30,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:44:30,252 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:44:30,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:14" (3/4) ... [2021-08-26 08:44:30,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:44:30,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:44:30,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:44:30,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:44:30,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:44:30,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:44:30,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:30,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:30,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-08-26 08:44:30,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 [2021-08-26 08:44:30,295 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && pumpRunning == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == 1) && tmp == systemActive) && \result == 1) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || (((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == systemActive) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && \result == 1) && tmp___0 <= 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && !(tmp == 0)) && pumpRunning == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == 1) && !(tmp == 0)) [2021-08-26 08:44:30,295 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) || ((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && !(\result == 0)) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp___0 <= 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1)) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0))) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == 1) && tmp == systemActive) && \result == 1) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((tmp == 0 && (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && \result == 1) && \result == 0)) || ((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && !(tmp == 0)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) [2021-08-26 08:44:30,295 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1) || ((((((tmp == 0 && splverifierCounter == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && !(\result == 0)) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) [2021-08-26 08:44:30,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && !(\result == 0)) && 1 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) [2021-08-26 08:44:30,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) || ((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1) [2021-08-26 08:44:30,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && tmp == 1) && \result == 1) || ((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1)) || ((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1) [2021-08-26 08:44:30,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp == systemActive) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == 1) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:44:30,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && splverifierCounter == 0) && tmp == systemActive) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && \result == 0) && pumpRunning == 1) [2021-08-26 08:44:30,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && !(\result == 0)) && \result == 1) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && \result == 0)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && \result == 1) && 1 == systemActive) && waterLevel == 1) [2021-08-26 08:44:30,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && pumpRunning == 1) || ((((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && \result == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && tmp == systemActive) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1) [2021-08-26 08:44:30,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && tmp == systemActive) && \result == 0) && \result == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && !(\result == 0)) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && \result == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) [2021-08-26 08:44:30,300 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && \result == 1) && pumpRunning == 1) [2021-08-26 08:44:30,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) || ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) [2021-08-26 08:44:30,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) || (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) [2021-08-26 08:44:30,337 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:44:30,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:44:30,339 INFO L168 Benchmark]: Toolchain (without parser) took 17511.59 ms. Allocated memory was 54.5 MB in the beginning and 251.7 MB in the end (delta: 197.1 MB). Free memory was 30.6 MB in the beginning and 124.2 MB in the end (delta: -93.6 MB). Peak memory consumption was 103.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:30,340 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.4 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:44:30,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.49 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 42.2 MB in the end (delta: -11.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:30,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.83 ms. Allocated memory is still 67.1 MB. Free memory was 42.2 MB in the beginning and 38.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:30,341 INFO L168 Benchmark]: Boogie Preprocessor took 77.99 ms. Allocated memory is still 67.1 MB. Free memory was 38.1 MB in the beginning and 35.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:30,341 INFO L168 Benchmark]: RCFGBuilder took 1012.27 ms. Allocated memory is still 67.1 MB. Free memory was 35.1 MB in the beginning and 33.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:30,341 INFO L168 Benchmark]: TraceAbstraction took 15768.85 ms. Allocated memory was 67.1 MB in the beginning and 251.7 MB in the end (delta: 184.5 MB). Free memory was 33.4 MB in the beginning and 136.7 MB in the end (delta: -103.4 MB). Peak memory consumption was 140.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:30,341 INFO L168 Benchmark]: Witness Printer took 86.57 ms. Allocated memory is still 251.7 MB. Free memory was 136.7 MB in the beginning and 124.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:30,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.4 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.49 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 42.2 MB in the end (delta: -11.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.83 ms. Allocated memory is still 67.1 MB. Free memory was 42.2 MB in the beginning and 38.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.99 ms. Allocated memory is still 67.1 MB. Free memory was 38.1 MB in the beginning and 35.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1012.27 ms. Allocated memory is still 67.1 MB. Free memory was 35.1 MB in the beginning and 33.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15768.85 ms. Allocated memory was 67.1 MB in the beginning and 251.7 MB in the end (delta: 184.5 MB). Free memory was 33.4 MB in the beginning and 136.7 MB in the end (delta: -103.4 MB). Peak memory consumption was 140.8 MB. Max. memory is 16.1 GB. * Witness Printer took 86.57 ms. Allocated memory is still 251.7 MB. Free memory was 136.7 MB in the beginning and 124.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 582]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 582]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 582]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 15685.9ms, OverallIterations: 17, TraceHistogramMax: 3, EmptinessCheckTime: 24.9ms, AutomataDifference: 2387.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11348.9ms, InitialAbstractionConstructionTime: 10.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2002 SDtfs, 3011 SDslu, 3594 SDs, 0 SdLazy, 603 SolverSat, 103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 878.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 822.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=9, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 295.8ms AutomataMinimizationTime, 17 MinimizatonAttempts, 2444 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 311 NumberOfFragments, 2066 HoareAnnotationTreeSize, 57 FomulaSimplifications, 49120324 FormulaSimplificationTreeSizeReduction, 2676.0ms HoareSimplificationTime, 57 FomulaSimplificationsInter, 13289997 FormulaSimplificationTreeSizeReductionInter, 8652.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 63.9ms SsaConstructionTime, 355.6ms SatisfiabilityAnalysisTime, 938.8ms InterpolantComputationTime, 699 NumberOfCodeBlocks, 699 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 682 ConstructedInterpolants, 0 QuantifiedInterpolants, 1224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 160/160 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: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) || (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && !(\result == 0)) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && pumpRunning == 1) || ((((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && \result == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && tmp == systemActive) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && tmp == systemActive) && \result == 0) && \result == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && waterLevel <= 1) && !(\result == 0)) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && \result == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1) || ((((((tmp == 0 && splverifierCounter == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && !(\result == 0)) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1)) && tmp == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) || ((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || ((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && pumpRunning == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == 1) && tmp == systemActive) && \result == 1) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || (((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == systemActive) && tmp == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && \result == 1) && tmp___0 <= 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && !(tmp == 0)) && pumpRunning == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == 1) && !(tmp == 0)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && !(\result == 0)) && \result == 1) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && \result == 0)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && \result == 1) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) || ((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && !(\result == 0)) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp___0 <= 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1)) && !(\result == 0)) && !(\result == 0)) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && !(tmp == 0))) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == 1) && tmp == systemActive) && \result == 1) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || ((((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((tmp == 0 && (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && \result == 1) && \result == 0)) || ((((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && !(tmp == 0)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && tmp == 1) && \result == 1) || ((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1)) || ((((((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 0) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) && pumpRunning == 1) - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp == systemActive) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == 1) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && splverifierCounter == 0) && tmp == systemActive) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && \result == 0) && pumpRunning == 1) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && !(\result == 0)) && 1 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) || ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && \result == 1) && tmp == 0) && \result == 0) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:44:30,404 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...