./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 107fce0473a360d3222152377d740ad2acd97172 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:45:37,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:45:37,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:45:37,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:45:37,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:45:37,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:45:37,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:45:37,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:45:37,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:45:37,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:45:37,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:45:37,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:45:37,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:45:37,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:45:37,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:45:37,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:45:37,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:45:37,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:45:37,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:45:37,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:45:37,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:45:37,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:45:37,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:45:37,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:45:37,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:45:37,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:45:37,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:45:37,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:45:37,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:45:37,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:45:37,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:45:37,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:45:37,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:45:37,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:45:37,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:45:37,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:45:37,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:45:37,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:45:37,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:45:37,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:45:37,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:45:37,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:45:37,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:45:37,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:45:37,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:45:37,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:45:37,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:45:37,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:45:37,436 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:45:37,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:45:37,437 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:45:37,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:45:37,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:45:37,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:45:37,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:45:37,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:45:37,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:45:37,438 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:45:37,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:45:37,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:45:37,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:45:37,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:45:37,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:45:37,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:45:37,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:37,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:45:37,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:45:37,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:45:37,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:45:37,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:45:37,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:45:37,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:45:37,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 107fce0473a360d3222152377d740ad2acd97172 [2021-08-26 08:45:37,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:45:37,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:45:37,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:45:37,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:45:37,760 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:45:37,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-08-26 08:45:37,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8085527/c68b6ebf640f450aacb71f6925a46409/FLAG9d6880599 [2021-08-26 08:45:38,365 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:45:38,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2021-08-26 08:45:38,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8085527/c68b6ebf640f450aacb71f6925a46409/FLAG9d6880599 [2021-08-26 08:45:38,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8085527/c68b6ebf640f450aacb71f6925a46409 [2021-08-26 08:45:38,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:45:38,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:45:38,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:38,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:45:38,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:45:38,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334b9850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:38, skipping insertion in model container [2021-08-26 08:45:38,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:38" (1/1) ... [2021-08-26 08:45:38,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:45:38,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:45:38,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12348,12361] [2021-08-26 08:45:39,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:39,027 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:45:39,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12348,12361] [2021-08-26 08:45:39,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:39,160 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:45:39,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39 WrapperNode [2021-08-26 08:45:39,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:39,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:39,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:45:39,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:45:39,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:39,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:45:39,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:45:39,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:45:39,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:45:39,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:45:39,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:45:39,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:45:39,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (1/1) ... [2021-08-26 08:45:39,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:39,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:39,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:45:39,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:45:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:45:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:45:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:45:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:45:40,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:45:40,231 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2021-08-26 08:45:40,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:40 BoogieIcfgContainer [2021-08-26 08:45:40,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:45:40,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:45:40,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:45:40,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:45:40,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:45:38" (1/3) ... [2021-08-26 08:45:40,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53808181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:40, skipping insertion in model container [2021-08-26 08:45:40,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:39" (2/3) ... [2021-08-26 08:45:40,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53808181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:40, skipping insertion in model container [2021-08-26 08:45:40,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:40" (3/3) ... [2021-08-26 08:45:40,240 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2021-08-26 08:45:40,244 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:45:40,245 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:45:40,292 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:45:40,297 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:45:40,298 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:45:40,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 124 states have (on average 1.5483870967741935) internal successors, (192), 127 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:40,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:45:40,319 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,319 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:40,320 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:40,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1472110058, now seen corresponding path program 1 times [2021-08-26 08:45:40,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866727173] [2021-08-26 08:45:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:40,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866727173] [2021-08-26 08:45:40,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866727173] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:40,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78781321] [2021-08-26 08:45:40,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:45:40,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:45:40,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:40,549 INFO L87 Difference]: Start difference. First operand has 128 states, 124 states have (on average 1.5483870967741935) internal successors, (192), 127 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:40,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,575 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2021-08-26 08:45:40,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:45:40,577 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-26 08:45:40,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,586 INFO L225 Difference]: With dead ends: 249 [2021-08-26 08:45:40,586 INFO L226 Difference]: Without dead ends: 124 [2021-08-26 08:45:40,589 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:40,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-08-26 08:45:40,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-08-26 08:45:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 121 states have (on average 1.487603305785124) internal successors, (180), 123 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2021-08-26 08:45:40,625 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2021-08-26 08:45:40,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:40,626 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2021-08-26 08:45:40,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2021-08-26 08:45:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 08:45:40,627 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,627 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:40,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:45:40,628 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:40,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1016837685, now seen corresponding path program 1 times [2021-08-26 08:45:40,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780261538] [2021-08-26 08:45:40,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:40,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780261538] [2021-08-26 08:45:40,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780261538] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:40,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102138183] [2021-08-26 08:45:40,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:40,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:40,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:40,734 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,745 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2021-08-26 08:45:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:40,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-08-26 08:45:40,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,747 INFO L225 Difference]: With dead ends: 124 [2021-08-26 08:45:40,747 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:45:40,748 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:40,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:45:40,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:45:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-08-26 08:45:40,754 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2021-08-26 08:45:40,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:40,755 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-08-26 08:45:40,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-08-26 08:45:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:45:40,756 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:40,757 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:40,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:45:40,757 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:40,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:40,758 INFO L82 PathProgramCache]: Analyzing trace with hash 632373730, now seen corresponding path program 1 times [2021-08-26 08:45:40,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:40,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377976964] [2021-08-26 08:45:40,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:40,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:40,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:40,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377976964] [2021-08-26 08:45:40,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377976964] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:40,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:40,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:40,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638995010] [2021-08-26 08:45:40,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:40,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:40,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:40,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:40,882 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:40,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:40,973 INFO L93 Difference]: Finished difference Result 125 states and 183 transitions. [2021-08-26 08:45:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:45:40,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 08:45:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:40,989 INFO L225 Difference]: With dead ends: 125 [2021-08-26 08:45:40,989 INFO L226 Difference]: Without dead ends: 79 [2021-08-26 08:45:40,990 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 53.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:45:40,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-08-26 08:45:40,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2021-08-26 08:45:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2021-08-26 08:45:41,014 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2021-08-26 08:45:41,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,014 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2021-08-26 08:45:41,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-08-26 08:45:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 08:45:41,016 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,016 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:41,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:45:41,016 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:41,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,017 INFO L82 PathProgramCache]: Analyzing trace with hash 505882496, now seen corresponding path program 1 times [2021-08-26 08:45:41,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322723221] [2021-08-26 08:45:41,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:41,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:41,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322723221] [2021-08-26 08:45:41,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322723221] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:41,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:41,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:41,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189606582] [2021-08-26 08:45:41,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:41,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:41,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:41,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:41,112 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:41,195 INFO L93 Difference]: Finished difference Result 167 states and 245 transitions. [2021-08-26 08:45:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:41,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-26 08:45:41,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:41,199 INFO L225 Difference]: With dead ends: 167 [2021-08-26 08:45:41,201 INFO L226 Difference]: Without dead ends: 99 [2021-08-26 08:45:41,201 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:41,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-08-26 08:45:41,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2021-08-26 08:45:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-08-26 08:45:41,218 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2021-08-26 08:45:41,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,219 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-08-26 08:45:41,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-08-26 08:45:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-26 08:45:41,222 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,222 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:41,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:45:41,222 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:41,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1201567211, now seen corresponding path program 1 times [2021-08-26 08:45:41,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679290635] [2021-08-26 08:45:41,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:41,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:41,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679290635] [2021-08-26 08:45:41,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679290635] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:41,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:41,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:41,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842615065] [2021-08-26 08:45:41,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:41,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:41,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:41,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:41,363 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:41,541 INFO L93 Difference]: Finished difference Result 314 states and 445 transitions. [2021-08-26 08:45:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:45:41,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-08-26 08:45:41,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:41,544 INFO L225 Difference]: With dead ends: 314 [2021-08-26 08:45:41,544 INFO L226 Difference]: Without dead ends: 224 [2021-08-26 08:45:41,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 55.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:45:41,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-08-26 08:45:41,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 95. [2021-08-26 08:45:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2021-08-26 08:45:41,557 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 29 [2021-08-26 08:45:41,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,558 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2021-08-26 08:45:41,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2021-08-26 08:45:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:41,559 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,559 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:41,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:45:41,560 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:41,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,560 INFO L82 PathProgramCache]: Analyzing trace with hash 113415631, now seen corresponding path program 1 times [2021-08-26 08:45:41,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290161169] [2021-08-26 08:45:41,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:41,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:41,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290161169] [2021-08-26 08:45:41,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290161169] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:41,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:41,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:41,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598070215] [2021-08-26 08:45:41,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:41,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:41,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:41,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:41,659 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:41,741 INFO L93 Difference]: Finished difference Result 276 states and 380 transitions. [2021-08-26 08:45:41,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:45:41,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:41,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:41,744 INFO L225 Difference]: With dead ends: 276 [2021-08-26 08:45:41,744 INFO L226 Difference]: Without dead ends: 188 [2021-08-26 08:45:41,751 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:41,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-08-26 08:45:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 101. [2021-08-26 08:45:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2021-08-26 08:45:41,773 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 34 [2021-08-26 08:45:41,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,775 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2021-08-26 08:45:41,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2021-08-26 08:45:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:41,781 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,781 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:41,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:45:41,782 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:41,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,782 INFO L82 PathProgramCache]: Analyzing trace with hash 814480209, now seen corresponding path program 1 times [2021-08-26 08:45:41,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882492631] [2021-08-26 08:45:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:41,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:41,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882492631] [2021-08-26 08:45:41,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882492631] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:41,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:41,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:41,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749411847] [2021-08-26 08:45:41,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:45:41,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:41,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:45:41,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:45:41,865 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:41,917 INFO L93 Difference]: Finished difference Result 249 states and 338 transitions. [2021-08-26 08:45:41,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:45:41,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:41,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:41,919 INFO L225 Difference]: With dead ends: 249 [2021-08-26 08:45:41,919 INFO L226 Difference]: Without dead ends: 155 [2021-08-26 08:45:41,919 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:41,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-08-26 08:45:41,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-08-26 08:45:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2021-08-26 08:45:41,928 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 34 [2021-08-26 08:45:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:41,929 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2021-08-26 08:45:41,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2021-08-26 08:45:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:41,930 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:41,930 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:41,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:45:41,930 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:41,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:41,931 INFO L82 PathProgramCache]: Analyzing trace with hash 227674195, now seen corresponding path program 1 times [2021-08-26 08:45:41,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:41,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698583595] [2021-08-26 08:45:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:41,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:42,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:42,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698583595] [2021-08-26 08:45:42,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698583595] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:42,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:42,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:42,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959705184] [2021-08-26 08:45:42,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:42,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:42,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:42,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:42,016 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:42,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:42,053 INFO L93 Difference]: Finished difference Result 253 states and 341 transitions. [2021-08-26 08:45:42,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:42,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:42,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:42,055 INFO L225 Difference]: With dead ends: 253 [2021-08-26 08:45:42,055 INFO L226 Difference]: Without dead ends: 155 [2021-08-26 08:45:42,056 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:42,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-08-26 08:45:42,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-08-26 08:45:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 154 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2021-08-26 08:45:42,070 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 34 [2021-08-26 08:45:42,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:42,071 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2021-08-26 08:45:42,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2021-08-26 08:45:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:45:42,073 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:42,073 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:42,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:45:42,074 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:42,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:42,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1168271981, now seen corresponding path program 1 times [2021-08-26 08:45:42,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:42,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345485844] [2021-08-26 08:45:42,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:42,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:42,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:42,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345485844] [2021-08-26 08:45:42,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345485844] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:42,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:42,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:45:42,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720720761] [2021-08-26 08:45:42,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:45:42,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:42,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:45:42,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:42,235 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:42,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:42,594 INFO L93 Difference]: Finished difference Result 720 states and 976 transitions. [2021-08-26 08:45:42,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:45:42,595 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 08:45:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:42,599 INFO L225 Difference]: With dead ends: 720 [2021-08-26 08:45:42,599 INFO L226 Difference]: Without dead ends: 622 [2021-08-26 08:45:42,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 135.7ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-26 08:45:42,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2021-08-26 08:45:42,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 257. [2021-08-26 08:45:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.3203125) internal successors, (338), 256 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 338 transitions. [2021-08-26 08:45:42,633 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 338 transitions. Word has length 35 [2021-08-26 08:45:42,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:42,634 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 338 transitions. [2021-08-26 08:45:42,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 338 transitions. [2021-08-26 08:45:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-26 08:45:42,635 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:42,635 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:42,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:45:42,636 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:42,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:42,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1462781310, now seen corresponding path program 1 times [2021-08-26 08:45:42,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:42,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430888672] [2021-08-26 08:45:42,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:42,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:42,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:42,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430888672] [2021-08-26 08:45:42,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430888672] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:42,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376619591] [2021-08-26 08:45:42,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:42,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:45:42,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:42,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 08:45:42,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:45:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:42,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:45:42,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:45:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:43,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376619591] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:43,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:45:43,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 08:45:43,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168433104] [2021-08-26 08:45:43,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:45:43,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:45:43,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:45:43,375 INFO L87 Difference]: Start difference. First operand 257 states and 338 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:43,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:43,682 INFO L93 Difference]: Finished difference Result 590 states and 787 transitions. [2021-08-26 08:45:43,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:45:43,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-08-26 08:45:43,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:43,683 INFO L225 Difference]: With dead ends: 590 [2021-08-26 08:45:43,683 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:45:43,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 73.5ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:45:43,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:45:43,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:45:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:45:43,685 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-08-26 08:45:43,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:43,686 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:45:43,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:45:43,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:45:43,689 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:43,690 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:43,690 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:43,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:45:43,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-26 08:45:43,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:45:43,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:43,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:44,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:48,086 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2021-08-26 08:45:48,086 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 700) no Hoare annotation was computed. [2021-08-26 08:45:48,086 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2021-08-26 08:45:48,087 INFO L853 garLoopResultBuilder]: At program point L531(lines 526 533) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:48,087 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 814) no Hoare annotation was computed. [2021-08-26 08:45:48,087 INFO L857 garLoopResultBuilder]: For program point L797-1(lines 797 814) no Hoare annotation was computed. [2021-08-26 08:45:48,087 INFO L857 garLoopResultBuilder]: For program point L797-2(lines 797 814) no Hoare annotation was computed. [2021-08-26 08:45:48,087 INFO L857 garLoopResultBuilder]: For program point L797-3(lines 797 814) no Hoare annotation was computed. [2021-08-26 08:45:48,087 INFO L857 garLoopResultBuilder]: For program point L797-4(lines 797 814) no Hoare annotation was computed. [2021-08-26 08:45:48,087 INFO L857 garLoopResultBuilder]: For program point L797-5(lines 797 814) no Hoare annotation was computed. [2021-08-26 08:45:48,087 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 507) no Hoare annotation was computed. [2021-08-26 08:45:48,088 INFO L860 garLoopResultBuilder]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2021-08-26 08:45:48,088 INFO L853 garLoopResultBuilder]: At program point L765(lines 761 783) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 (= ~pumpRunning~0 1)) (and .cse0 .cse5 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:45:48,088 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-08-26 08:45:48,088 INFO L853 garLoopResultBuilder]: At program point L765-1(lines 761 783) the Hoare annotation is: false [2021-08-26 08:45:48,088 INFO L853 garLoopResultBuilder]: At program point L732-1(lines 1 1011) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2021-08-26 08:45:48,088 INFO L853 garLoopResultBuilder]: At program point L765-2(lines 761 783) the Hoare annotation is: false [2021-08-26 08:45:48,089 INFO L853 garLoopResultBuilder]: At program point L931(lines 916 934) the Hoare annotation is: false [2021-08-26 08:45:48,089 INFO L853 garLoopResultBuilder]: At program point L931-1(lines 916 934) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5))) [2021-08-26 08:45:48,089 INFO L853 garLoopResultBuilder]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2021-08-26 08:45:48,089 INFO L853 garLoopResultBuilder]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2021-08-26 08:45:48,089 INFO L853 garLoopResultBuilder]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2021-08-26 08:45:48,089 INFO L853 garLoopResultBuilder]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2021-08-26 08:45:48,090 INFO L853 garLoopResultBuilder]: At program point L667(lines 658 671) the Hoare annotation is: false [2021-08-26 08:45:48,090 INFO L853 garLoopResultBuilder]: At program point L667-1(lines 658 671) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2021-08-26 08:45:48,090 INFO L853 garLoopResultBuilder]: At program point L667-2(lines 658 671) the Hoare annotation is: false [2021-08-26 08:45:48,091 INFO L853 garLoopResultBuilder]: At program point L667-3(lines 658 671) the Hoare annotation is: false [2021-08-26 08:45:48,091 INFO L853 garLoopResultBuilder]: At program point L667-4(lines 658 671) the Hoare annotation is: false [2021-08-26 08:45:48,091 INFO L853 garLoopResultBuilder]: At program point L667-5(lines 658 671) the Hoare annotation is: false [2021-08-26 08:45:48,091 INFO L857 garLoopResultBuilder]: For program point L801(lines 801 809) no Hoare annotation was computed. [2021-08-26 08:45:48,091 INFO L857 garLoopResultBuilder]: For program point L801-1(lines 801 809) no Hoare annotation was computed. [2021-08-26 08:45:48,091 INFO L857 garLoopResultBuilder]: For program point L801-2(lines 801 809) no Hoare annotation was computed. [2021-08-26 08:45:48,091 INFO L857 garLoopResultBuilder]: For program point L801-3(lines 801 809) no Hoare annotation was computed. [2021-08-26 08:45:48,091 INFO L857 garLoopResultBuilder]: For program point L801-4(lines 801 809) no Hoare annotation was computed. [2021-08-26 08:45:48,092 INFO L857 garLoopResultBuilder]: For program point L801-5(lines 801 809) no Hoare annotation was computed. [2021-08-26 08:45:48,092 INFO L853 garLoopResultBuilder]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:48,092 INFO L853 garLoopResultBuilder]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:48,092 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2021-08-26 08:45:48,092 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-08-26 08:45:48,092 INFO L853 garLoopResultBuilder]: At program point L704-1(lines 704 710) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse6 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:45:48,092 INFO L853 garLoopResultBuilder]: At program point L772(lines 772 778) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse6 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:45:48,092 INFO L853 garLoopResultBuilder]: At program point L772-1(lines 772 778) the Hoare annotation is: false [2021-08-26 08:45:48,092 INFO L853 garLoopResultBuilder]: At program point L772-2(lines 772 778) the Hoare annotation is: false [2021-08-26 08:45:48,093 INFO L853 garLoopResultBuilder]: At program point L541(lines 765 771) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3))) [2021-08-26 08:45:48,093 INFO L853 garLoopResultBuilder]: At program point L541-1(lines 765 771) the Hoare annotation is: false [2021-08-26 08:45:48,093 INFO L853 garLoopResultBuilder]: At program point L541-2(lines 765 771) the Hoare annotation is: false [2021-08-26 08:45:48,093 INFO L860 garLoopResultBuilder]: At program point L509(lines 490 512) the Hoare annotation is: true [2021-08-26 08:45:48,093 INFO L857 garLoopResultBuilder]: For program point L609(lines 609 613) no Hoare annotation was computed. [2021-08-26 08:45:48,093 INFO L853 garLoopResultBuilder]: At program point L677(lines 672 680) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-08-26 08:45:48,094 INFO L853 garLoopResultBuilder]: At program point L677-1(lines 672 680) the Hoare annotation is: false [2021-08-26 08:45:48,094 INFO L853 garLoopResultBuilder]: At program point L677-2(lines 672 680) the Hoare annotation is: false [2021-08-26 08:45:48,094 INFO L853 garLoopResultBuilder]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:48,094 INFO L853 garLoopResultBuilder]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3))) [2021-08-26 08:45:48,094 INFO L853 garLoopResultBuilder]: At program point L876-1(lines 871 879) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3))) [2021-08-26 08:45:48,094 INFO L853 garLoopResultBuilder]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2021-08-26 08:45:48,095 INFO L853 garLoopResultBuilder]: At program point L876-3(lines 871 879) the Hoare annotation is: false [2021-08-26 08:45:48,095 INFO L853 garLoopResultBuilder]: At program point L744(lines 693 745) the Hoare annotation is: false [2021-08-26 08:45:48,095 INFO L853 garLoopResultBuilder]: At program point L876-4(lines 871 879) the Hoare annotation is: false [2021-08-26 08:45:48,095 INFO L853 garLoopResultBuilder]: At program point L876-5(lines 871 879) the Hoare annotation is: false [2021-08-26 08:45:48,095 INFO L857 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2021-08-26 08:45:48,095 INFO L857 garLoopResultBuilder]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2021-08-26 08:45:48,095 INFO L857 garLoopResultBuilder]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2021-08-26 08:45:48,096 INFO L857 garLoopResultBuilder]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2021-08-26 08:45:48,096 INFO L857 garLoopResultBuilder]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2021-08-26 08:45:48,096 INFO L857 garLoopResultBuilder]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2021-08-26 08:45:48,096 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:45:48,096 INFO L857 garLoopResultBuilder]: For program point L714(lines 714 720) no Hoare annotation was computed. [2021-08-26 08:45:48,096 INFO L853 garLoopResultBuilder]: At program point L714-1(lines 714 720) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse6 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:45:48,097 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-08-26 08:45:48,097 INFO L857 garLoopResultBuilder]: For program point L518-1(line 518) no Hoare annotation was computed. [2021-08-26 08:45:48,097 INFO L857 garLoopResultBuilder]: For program point L518-2(line 518) no Hoare annotation was computed. [2021-08-26 08:45:48,097 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 589) no Hoare annotation was computed. [2021-08-26 08:45:48,097 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 569) no Hoare annotation was computed. [2021-08-26 08:45:48,097 INFO L853 garLoopResultBuilder]: At program point L552-1(lines 1 1011) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4) .cse0 .cse1 (<= 2 ~waterLevel~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4 2) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5) (and .cse0 .cse6 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:45:48,097 INFO L857 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2021-08-26 08:45:48,098 INFO L857 garLoopResultBuilder]: For program point L552-2(lines 552 569) no Hoare annotation was computed. [2021-08-26 08:45:48,098 INFO L853 garLoopResultBuilder]: At program point L552-3(lines 1 1011) the Hoare annotation is: false [2021-08-26 08:45:48,098 INFO L857 garLoopResultBuilder]: For program point L552-4(lines 552 569) no Hoare annotation was computed. [2021-08-26 08:45:48,098 INFO L857 garLoopResultBuilder]: For program point L585-6(lines 585 589) no Hoare annotation was computed. [2021-08-26 08:45:48,098 INFO L853 garLoopResultBuilder]: At program point L552-5(lines 1 1011) the Hoare annotation is: false [2021-08-26 08:45:48,098 INFO L853 garLoopResultBuilder]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2021-08-26 08:45:48,098 INFO L857 garLoopResultBuilder]: For program point L421(line 421) no Hoare annotation was computed. [2021-08-26 08:45:48,099 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:45:48,099 INFO L853 garLoopResultBuilder]: At program point L950(lines 935 953) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-08-26 08:45:48,099 INFO L853 garLoopResultBuilder]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2021-08-26 08:45:48,099 INFO L853 garLoopResultBuilder]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2021-08-26 08:45:48,099 INFO L853 garLoopResultBuilder]: At program point L654(lines 649 657) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5) (and .cse0 .cse6 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2021-08-26 08:45:48,099 INFO L853 garLoopResultBuilder]: At program point L654-1(lines 649 657) the Hoare annotation is: false [2021-08-26 08:45:48,099 INFO L853 garLoopResultBuilder]: At program point L654-2(lines 649 657) the Hoare annotation is: false [2021-08-26 08:45:48,100 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 566) no Hoare annotation was computed. [2021-08-26 08:45:48,100 INFO L857 garLoopResultBuilder]: For program point L556-2(lines 556 566) no Hoare annotation was computed. [2021-08-26 08:45:48,100 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-08-26 08:45:48,100 INFO L857 garLoopResultBuilder]: For program point L556-4(lines 556 566) no Hoare annotation was computed. [2021-08-26 08:45:48,100 INFO L857 garLoopResultBuilder]: For program point L424-1(lines 424 428) no Hoare annotation was computed. [2021-08-26 08:45:48,100 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 563) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 563) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point L557-4(lines 557 563) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 840) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point L823-1(lines 823 840) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point L823-2(lines 823 840) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point L724(lines 724 739) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:45:48,101 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 964) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L853 garLoopResultBuilder]: At program point L958-1(lines 958 964) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,102 INFO L857 garLoopResultBuilder]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 835) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L827-1(lines 827 835) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L827-2(lines 827 835) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L695(lines 694 743) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 668) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L662-2(lines 662 668) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L662-3(lines 662 668) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L662-4(lines 662 668) no Hoare annotation was computed. [2021-08-26 08:45:48,103 INFO L857 garLoopResultBuilder]: For program point L662-5(lines 662 668) no Hoare annotation was computed. [2021-08-26 08:45:48,107 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:45:48,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:45:48 BoogieIcfgContainer [2021-08-26 08:45:48,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:45:48,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:45:48,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:45:48,162 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:45:48,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:40" (3/4) ... [2021-08-26 08:45:48,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:45:48,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:45:48,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:45:48,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:45:48,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:45:48,185 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:45:48,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:48,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:48,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:48,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:48,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:48,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((1 < tmp && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:48,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:48,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:48,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2021-08-26 08:45:48,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2021-08-26 08:45:48,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) [2021-08-26 08:45:48,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) [2021-08-26 08:45:48,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:48,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:48,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:48,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 [2021-08-26 08:45:48,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:48,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) [2021-08-26 08:45:48,213 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 [2021-08-26 08:45:48,213 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp___0 == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:48,251 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:45:48,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:45:48,252 INFO L168 Benchmark]: Toolchain (without parser) took 9539.52 ms. Allocated memory was 62.9 MB in the beginning and 136.3 MB in the end (delta: 73.4 MB). Free memory was 42.7 MB in the beginning and 67.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:48,252 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 62.9 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:45:48,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.10 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 38.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:48,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 62.9 MB. Free memory was 38.2 MB in the beginning and 34.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:48,253 INFO L168 Benchmark]: Boogie Preprocessor took 85.42 ms. Allocated memory is still 62.9 MB. Free memory was 34.5 MB in the beginning and 31.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:48,254 INFO L168 Benchmark]: RCFGBuilder took 928.42 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 35.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:48,254 INFO L168 Benchmark]: TraceAbstraction took 7926.67 ms. Allocated memory was 75.5 MB in the beginning and 136.3 MB in the end (delta: 60.8 MB). Free memory was 34.6 MB in the beginning and 78.0 MB in the end (delta: -43.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:48,254 INFO L168 Benchmark]: Witness Printer took 89.43 ms. Allocated memory is still 136.3 MB. Free memory was 78.0 MB in the beginning and 67.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:48,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 62.9 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.10 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 38.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.68 ms. Allocated memory is still 62.9 MB. Free memory was 38.2 MB in the beginning and 34.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.42 ms. Allocated memory is still 62.9 MB. Free memory was 34.5 MB in the beginning and 31.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 928.42 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 35.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7926.67 ms. Allocated memory was 75.5 MB in the beginning and 136.3 MB in the end (delta: 60.8 MB). Free memory was 34.6 MB in the beginning and 78.0 MB in the end (delta: -43.4 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. * Witness Printer took 89.43 ms. Allocated memory is still 136.3 MB. Free memory was 78.0 MB in the beginning and 67.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 518]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 518]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 518]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7816.3ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 25.0ms, AutomataDifference: 1333.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4171.7ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1110 SDtfs, 1493 SDslu, 1600 SDs, 0 SdLazy, 278 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 611.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 381.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 160.7ms AutomataMinimizationTime, 10 MinimizatonAttempts, 637 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 203 NumberOfFragments, 1015 HoareAnnotationTreeSize, 51 FomulaSimplifications, 64254 FormulaSimplificationTreeSizeReduction, 689.7ms HoareSimplificationTime, 51 FomulaSimplificationsInter, 33545 FormulaSimplificationTreeSizeReductionInter, 3464.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 91.9ms SsaConstructionTime, 345.1ms SatisfiabilityAnalysisTime, 1158.4ms InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 736 SizeOfPredicates, 3 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((1 < tmp && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp___0 == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && tmp == 1) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:45:48,305 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...