./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product41.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 1fc4b6513d54dfae6e097800b1200a0f44455272 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:44:09,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:44:09,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:44:09,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:44:09,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:44:09,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:44:09,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:44:09,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:44:09,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:44:09,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:44:09,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:44:09,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:44:09,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:44:09,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:44:09,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:44:09,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:44:09,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:44:09,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:44:09,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:44:09,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:44:09,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:44:09,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:44:09,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:44:09,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:44:09,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:44:09,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:44:09,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:44:09,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:44:09,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:44:09,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:44:09,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:44:09,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:44:09,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:44:09,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:44:09,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:44:09,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:44:09,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:44:09,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:44:09,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:44:09,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:44:09,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:44:09,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:44:09,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:44:09,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:44:09,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:44:09,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:44:09,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:44:09,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:44:09,174 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:44:09,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:44:09,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:44:09,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:44:09,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:44:09,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:44:09,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:44:09,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:44:09,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:44:09,176 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:44:09,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:44:09,177 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:44:09,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:44:09,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:44:09,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:44:09,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:44:09,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:09,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:44:09,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:44:09,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:44:09,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:44:09,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:44:09,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:44:09,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:44:09,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fc4b6513d54dfae6e097800b1200a0f44455272 [2021-08-26 08:44:09,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:44:09,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:44:09,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:44:09,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:44:09,479 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:44:09,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-08-26 08:44:09,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc163315a/9ffd0893808043a9889d74e77daf9f59/FLAG283454569 [2021-08-26 08:44:09,972 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:44:09,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-08-26 08:44:09,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc163315a/9ffd0893808043a9889d74e77daf9f59/FLAG283454569 [2021-08-26 08:44:09,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc163315a/9ffd0893808043a9889d74e77daf9f59 [2021-08-26 08:44:10,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:44:10,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:44:10,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:10,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:44:10,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:44:10,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:10,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21848039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10, skipping insertion in model container [2021-08-26 08:44:10,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:09" (1/1) ... [2021-08-26 08:44:10,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:44:10,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:44:10,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17654,17667] [2021-08-26 08:44:10,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:10,355 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:44:10,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17654,17667] [2021-08-26 08:44:10,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:10,470 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:44:10,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10 WrapperNode [2021-08-26 08:44:10,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:10,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:10,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:44:10,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:44:10,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:10,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:44:10,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:44:10,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:44:10,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:44:10,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:44:10,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:44:10,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:44:10,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:10,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:10,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:44:10,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:44:10,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:44:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:44:10,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:44:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:44:11,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:44:11,583 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-08-26 08:44:11,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:11 BoogieIcfgContainer [2021-08-26 08:44:11,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:44:11,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:44:11,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:44:11,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:44:11,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:44:09" (1/3) ... [2021-08-26 08:44:11,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cb9bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:11, skipping insertion in model container [2021-08-26 08:44:11,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (2/3) ... [2021-08-26 08:44:11,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cb9bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:11, skipping insertion in model container [2021-08-26 08:44:11,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:11" (3/3) ... [2021-08-26 08:44:11,594 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2021-08-26 08:44:11,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:44:11,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:44:11,640 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:44:11,646 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:44:11,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:44:11,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:44:11,668 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,668 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:11,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:11,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,678 INFO L82 PathProgramCache]: Analyzing trace with hash -611333278, now seen corresponding path program 1 times [2021-08-26 08:44:11,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800817275] [2021-08-26 08:44:11,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:11,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800817275] [2021-08-26 08:44:11,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800817275] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:11,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947933067] [2021-08-26 08:44:11,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:44:11,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:44:11,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:11,996 INFO L87 Difference]: Start difference. First operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,035 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-08-26 08:44:12,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:44:12,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-26 08:44:12,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,047 INFO L225 Difference]: With dead ends: 180 [2021-08-26 08:44:12,048 INFO L226 Difference]: Without dead ends: 89 [2021-08-26 08:44:12,051 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:12,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-08-26 08:44:12,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-08-26 08:44:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 88 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-08-26 08:44:12,098 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-08-26 08:44:12,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,099 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-08-26 08:44:12,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,100 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-08-26 08:44:12,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:44:12,101 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,102 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:44:12,102 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1493643632, now seen corresponding path program 1 times [2021-08-26 08:44:12,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985026933] [2021-08-26 08:44:12,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,229 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 08:44:12,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985026933] [2021-08-26 08:44:12,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985026933] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:12,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639670375] [2021-08-26 08:44:12,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:12,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:12,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:12,236 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,252 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-08-26 08:44:12,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:12,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-26 08:44:12,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,254 INFO L225 Difference]: With dead ends: 89 [2021-08-26 08:44:12,254 INFO L226 Difference]: Without dead ends: 39 [2021-08-26 08:44:12,256 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:12,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-08-26 08:44:12,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-08-26 08:44:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-08-26 08:44:12,267 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-08-26 08:44:12,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,268 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-08-26 08:44:12,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-08-26 08:44:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:44:12,270 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,270 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:44:12,271 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,272 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2021-08-26 08:44:12,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198166270] [2021-08-26 08:44:12,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198166270] [2021-08-26 08:44:12,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198166270] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:12,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630602355] [2021-08-26 08:44:12,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:12,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:12,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:12,368 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,377 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-08-26 08:44:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:12,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:44:12,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,385 INFO L225 Difference]: With dead ends: 72 [2021-08-26 08:44:12,385 INFO L226 Difference]: Without dead ends: 39 [2021-08-26 08:44:12,386 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:12,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-08-26 08:44:12,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-08-26 08:44:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-08-26 08:44:12,391 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-08-26 08:44:12,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,391 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-08-26 08:44:12,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-08-26 08:44:12,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 08:44:12,393 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,393 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] [2021-08-26 08:44:12,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:44:12,394 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2021-08-26 08:44:12,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637394689] [2021-08-26 08:44:12,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637394689] [2021-08-26 08:44:12,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637394689] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:12,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018295822] [2021-08-26 08:44:12,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:12,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:12,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:12,477 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,522 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-08-26 08:44:12,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:12,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-08-26 08:44:12,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,529 INFO L225 Difference]: With dead ends: 95 [2021-08-26 08:44:12,529 INFO L226 Difference]: Without dead ends: 62 [2021-08-26 08:44:12,530 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:12,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-08-26 08:44:12,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-08-26 08:44:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-08-26 08:44:12,545 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-08-26 08:44:12,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,545 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-08-26 08:44:12,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,546 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-08-26 08:44:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-26 08:44:12,546 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,547 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] [2021-08-26 08:44:12,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:44:12,547 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,548 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2021-08-26 08:44:12,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984573104] [2021-08-26 08:44:12,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984573104] [2021-08-26 08:44:12,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984573104] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:12,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120781304] [2021-08-26 08:44:12,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:12,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:12,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,647 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,790 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2021-08-26 08:44:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:12,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2021-08-26 08:44:12,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,794 INFO L225 Difference]: With dead ends: 314 [2021-08-26 08:44:12,794 INFO L226 Difference]: Without dead ends: 260 [2021-08-26 08:44:12,797 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 49.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-08-26 08:44:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-08-26 08:44:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 105 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2021-08-26 08:44:12,831 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2021-08-26 08:44:12,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,831 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2021-08-26 08:44:12,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2021-08-26 08:44:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:12,832 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,833 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:44:12,833 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2021-08-26 08:44:12,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681149059] [2021-08-26 08:44:12,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681149059] [2021-08-26 08:44:12,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681149059] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:12,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794688579] [2021-08-26 08:44:12,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:12,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:12,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:12,885 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,975 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2021-08-26 08:44:12,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:44:12,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-26 08:44:12,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,977 INFO L225 Difference]: With dead ends: 212 [2021-08-26 08:44:12,977 INFO L226 Difference]: Without dead ends: 158 [2021-08-26 08:44:12,978 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-08-26 08:44:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-08-26 08:44:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.396103896103896) internal successors, (215), 154 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-08-26 08:44:12,986 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2021-08-26 08:44:12,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,987 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-08-26 08:44:12,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-08-26 08:44:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:12,988 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,988 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:44:12,989 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2021-08-26 08:44:12,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271503385] [2021-08-26 08:44:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:13,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:13,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271503385] [2021-08-26 08:44:13,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271503385] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:13,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:13,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:13,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829468468] [2021-08-26 08:44:13,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:13,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:13,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:13,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:13,040 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:13,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:13,103 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2021-08-26 08:44:13,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:13,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-26 08:44:13,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:13,106 INFO L225 Difference]: With dead ends: 412 [2021-08-26 08:44:13,106 INFO L226 Difference]: Without dead ends: 308 [2021-08-26 08:44:13,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:13,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-08-26 08:44:13,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2021-08-26 08:44:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 154 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2021-08-26 08:44:13,119 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2021-08-26 08:44:13,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:13,119 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2021-08-26 08:44:13,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2021-08-26 08:44:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:13,120 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:13,121 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:13,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:44:13,121 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:13,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:13,122 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2021-08-26 08:44:13,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:13,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438167287] [2021-08-26 08:44:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:13,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:13,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:13,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438167287] [2021-08-26 08:44:13,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438167287] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:13,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:13,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:44:13,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285938375] [2021-08-26 08:44:13,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:13,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:13,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:13,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:13,230 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:13,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:13,353 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2021-08-26 08:44:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:13,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-26 08:44:13,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:13,355 INFO L225 Difference]: With dead ends: 524 [2021-08-26 08:44:13,356 INFO L226 Difference]: Without dead ends: 375 [2021-08-26 08:44:13,356 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 84.2ms TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:44:13,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-08-26 08:44:13,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2021-08-26 08:44:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.36875) internal successors, (219), 160 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2021-08-26 08:44:13,369 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2021-08-26 08:44:13,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:13,370 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2021-08-26 08:44:13,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2021-08-26 08:44:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:44:13,371 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:13,371 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 08:44:13,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:44:13,372 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:13,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:13,372 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2021-08-26 08:44:13,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:13,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715081511] [2021-08-26 08:44:13,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:13,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:13,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:13,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715081511] [2021-08-26 08:44:13,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715081511] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:13,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:13,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:13,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481320813] [2021-08-26 08:44:13,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:13,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:13,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:13,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:13,484 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 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 08:44:13,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:13,733 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2021-08-26 08:44:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-26 08:44:13,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 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 08:44:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:13,754 INFO L225 Difference]: With dead ends: 1154 [2021-08-26 08:44:13,755 INFO L226 Difference]: Without dead ends: 999 [2021-08-26 08:44:13,755 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 120.3ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-08-26 08:44:13,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-08-26 08:44:13,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2021-08-26 08:44:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.3488372093023255) internal successors, (406), 301 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2021-08-26 08:44:13,794 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2021-08-26 08:44:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:13,794 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2021-08-26 08:44:13,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 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 08:44:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2021-08-26 08:44:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:44:13,797 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:13,797 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 08:44:13,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:44:13,797 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:13,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2021-08-26 08:44:13,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:13,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265568086] [2021-08-26 08:44:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:13,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:13,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:13,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265568086] [2021-08-26 08:44:13,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265568086] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:13,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:13,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:44:13,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871784928] [2021-08-26 08:44:13,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:13,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:13,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:13,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:13,877 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) 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 08:44:14,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:14,050 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2021-08-26 08:44:14,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:44:14,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) 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 08:44:14,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:14,052 INFO L225 Difference]: With dead ends: 687 [2021-08-26 08:44:14,052 INFO L226 Difference]: Without dead ends: 121 [2021-08-26 08:44:14,053 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 56.7ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:44:14,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-08-26 08:44:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2021-08-26 08:44:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.2105263157894737) internal successors, (115), 95 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2021-08-26 08:44:14,062 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2021-08-26 08:44:14,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:14,063 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2021-08-26 08:44:14,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) 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 08:44:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2021-08-26 08:44:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:44:14,064 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:14,064 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:14,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:44:14,064 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:14,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:14,065 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2021-08-26 08:44:14,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:14,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135420775] [2021-08-26 08:44:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:14,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:14,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:14,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135420775] [2021-08-26 08:44:14,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135420775] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:14,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:14,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:44:14,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019301175] [2021-08-26 08:44:14,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:44:14,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:14,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:44:14,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:14,135 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:14,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:14,363 INFO L93 Difference]: Finished difference Result 280 states and 335 transitions. [2021-08-26 08:44:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:44:14,364 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-26 08:44:14,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:14,364 INFO L225 Difference]: With dead ends: 280 [2021-08-26 08:44:14,364 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:44:14,365 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 100.0ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-08-26 08:44:14,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:44:14,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:44:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:44:14,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-08-26 08:44:14,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:14,366 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:44:14,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:44:14,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:44:14,369 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:14,369 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:14,370 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:14,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:44:14,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:44:14,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:14,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:16,781 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-08-26 08:44:16,782 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-08-26 08:44:16,782 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 289) no Hoare annotation was computed. [2021-08-26 08:44:16,782 INFO L857 garLoopResultBuilder]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2021-08-26 08:44:16,782 INFO L853 garLoopResultBuilder]: At program point L283-1(lines 283 289) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse3 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse4) (and .cse1 .cse2 .cse7 .cse4 .cse6) (and .cse1 .cse2 .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5))) [2021-08-26 08:44:16,782 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-08-26 08:44:16,782 INFO L857 garLoopResultBuilder]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2021-08-26 08:44:16,782 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:44:16,782 INFO L860 garLoopResultBuilder]: At program point L549(lines 530 552) the Hoare annotation is: true [2021-08-26 08:44:16,783 INFO L853 garLoopResultBuilder]: At program point L104(lines 104 110) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4))) [2021-08-26 08:44:16,783 INFO L853 garLoopResultBuilder]: At program point L104-1(lines 104 110) the Hoare annotation is: false [2021-08-26 08:44:16,783 INFO L853 garLoopResultBuilder]: At program point L104-2(lines 104 110) the Hoare annotation is: false [2021-08-26 08:44:16,783 INFO L853 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:44:16,783 INFO L853 garLoopResultBuilder]: At program point L319(lines 272 320) the Hoare annotation is: false [2021-08-26 08:44:16,784 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 314) no Hoare annotation was computed. [2021-08-26 08:44:16,784 INFO L853 garLoopResultBuilder]: At program point L452(lines 443 456) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse3 .cse7) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse7))) [2021-08-26 08:44:16,784 INFO L853 garLoopResultBuilder]: At program point L452-1(lines 443 456) the Hoare annotation is: false [2021-08-26 08:44:16,784 INFO L853 garLoopResultBuilder]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2021-08-26 08:44:16,784 INFO L853 garLoopResultBuilder]: At program point L469-2(lines 469 483) the Hoare annotation is: false [2021-08-26 08:44:16,784 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-08-26 08:44:16,784 INFO L857 garLoopResultBuilder]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2021-08-26 08:44:16,785 INFO L857 garLoopResultBuilder]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2021-08-26 08:44:16,785 INFO L853 garLoopResultBuilder]: At program point L255(lines 240 258) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse10 .cse5 .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse10 .cse3 .cse4))) [2021-08-26 08:44:16,785 INFO L853 garLoopResultBuilder]: At program point L255-1(lines 240 258) the Hoare annotation is: false [2021-08-26 08:44:16,785 INFO L853 garLoopResultBuilder]: At program point L255-2(lines 240 258) the Hoare annotation is: false [2021-08-26 08:44:16,785 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-08-26 08:44:16,785 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:44:16,785 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 359) no Hoare annotation was computed. [2021-08-26 08:44:16,786 INFO L857 garLoopResultBuilder]: For program point L339-2(lines 339 359) no Hoare annotation was computed. [2021-08-26 08:44:16,786 INFO L857 garLoopResultBuilder]: For program point L339-4(lines 339 359) no Hoare annotation was computed. [2021-08-26 08:44:16,786 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:44:16,786 INFO L853 garLoopResultBuilder]: At program point L191(lines 184 194) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse12 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse13 (not .cse2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse14 (= ~waterLevel~0 1)) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse0 .cse1 .cse4 .cse5 .cse13 .cse6 .cse7 .cse8 .cse10 .cse11) (and .cse12 .cse0 .cse1 .cse13 .cse6 .cse14 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse14 .cse9 .cse11)))) [2021-08-26 08:44:16,786 INFO L853 garLoopResultBuilder]: At program point L191-1(lines 184 194) the Hoare annotation is: false [2021-08-26 08:44:16,786 INFO L853 garLoopResultBuilder]: At program point L191-2(lines 184 194) the Hoare annotation is: false [2021-08-26 08:44:16,787 INFO L853 garLoopResultBuilder]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= ~waterLevel~0 1)))) [2021-08-26 08:44:16,787 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-08-26 08:44:16,787 INFO L853 garLoopResultBuilder]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2021-08-26 08:44:16,787 INFO L853 garLoopResultBuilder]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2021-08-26 08:44:16,787 INFO L857 garLoopResultBuilder]: For program point L274(lines 273 318) no Hoare annotation was computed. [2021-08-26 08:44:16,787 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 477) no Hoare annotation was computed. [2021-08-26 08:44:16,787 INFO L857 garLoopResultBuilder]: For program point L473-1(lines 97 103) no Hoare annotation was computed. [2021-08-26 08:44:16,788 INFO L853 garLoopResultBuilder]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (not .cse2)) (.cse5 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse6 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse9 .cse10 .cse4 .cse11 .cse12 .cse13 .cse6) (and .cse7 .cse0 .cse1 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse9 .cse4 .cse11 .cse12 .cse13 .cse6)))) [2021-08-26 08:44:16,788 INFO L853 garLoopResultBuilder]: At program point L407-1(lines 402 410) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse5 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse6 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse0 (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse5 .cse0 .cse1 .cse6 .cse3 .cse4)))) [2021-08-26 08:44:16,788 INFO L853 garLoopResultBuilder]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2021-08-26 08:44:16,788 INFO L853 garLoopResultBuilder]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2021-08-26 08:44:16,788 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-08-26 08:44:16,788 INFO L853 garLoopResultBuilder]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2021-08-26 08:44:16,789 INFO L853 garLoopResultBuilder]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2021-08-26 08:44:16,789 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:44:16,789 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 547) no Hoare annotation was computed. [2021-08-26 08:44:16,789 INFO L860 garLoopResultBuilder]: At program point L540-1(lines 540 547) the Hoare annotation is: true [2021-08-26 08:44:16,789 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 313) no Hoare annotation was computed. [2021-08-26 08:44:16,789 INFO L857 garLoopResultBuilder]: For program point L309-2(lines 97 103) no Hoare annotation was computed. [2021-08-26 08:44:16,789 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2021-08-26 08:44:16,790 INFO L853 garLoopResultBuilder]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse5 .cse3))) [2021-08-26 08:44:16,790 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 146) no Hoare annotation was computed. [2021-08-26 08:44:16,790 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 129 146) no Hoare annotation was computed. [2021-08-26 08:44:16,790 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 146) no Hoare annotation was computed. [2021-08-26 08:44:16,790 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-08-26 08:44:16,790 INFO L853 garLoopResultBuilder]: At program point L97(lines 96 115) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse5 .cse3))) [2021-08-26 08:44:16,791 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 97 103) no Hoare annotation was computed. [2021-08-26 08:44:16,791 INFO L853 garLoopResultBuilder]: At program point L97-2(lines 96 115) the Hoare annotation is: false [2021-08-26 08:44:16,791 INFO L853 garLoopResultBuilder]: At program point L97-3(lines 96 115) the Hoare annotation is: false [2021-08-26 08:44:16,791 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 358) no Hoare annotation was computed. [2021-08-26 08:44:16,791 INFO L853 garLoopResultBuilder]: At program point L345-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse3 .cse4 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse4 .cse6))) [2021-08-26 08:44:16,791 INFO L857 garLoopResultBuilder]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2021-08-26 08:44:16,791 INFO L853 garLoopResultBuilder]: At program point L345-3(lines 1 927) the Hoare annotation is: false [2021-08-26 08:44:16,792 INFO L857 garLoopResultBuilder]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2021-08-26 08:44:16,792 INFO L853 garLoopResultBuilder]: At program point L345-5(lines 1 927) the Hoare annotation is: false [2021-08-26 08:44:16,792 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:44:16,792 INFO L857 garLoopResultBuilder]: For program point L924(line 924) no Hoare annotation was computed. [2021-08-26 08:44:16,792 INFO L857 garLoopResultBuilder]: For program point L924-1(line 924) no Hoare annotation was computed. [2021-08-26 08:44:16,792 INFO L857 garLoopResultBuilder]: For program point L924-2(line 924) no Hoare annotation was computed. [2021-08-26 08:44:16,792 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-08-26 08:44:16,793 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 172) no Hoare annotation was computed. [2021-08-26 08:44:16,793 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 141) no Hoare annotation was computed. [2021-08-26 08:44:16,793 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 141) no Hoare annotation was computed. [2021-08-26 08:44:16,793 INFO L857 garLoopResultBuilder]: For program point L166-2(lines 166 172) no Hoare annotation was computed. [2021-08-26 08:44:16,793 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:44:16,793 INFO L857 garLoopResultBuilder]: For program point L133-2(lines 133 141) no Hoare annotation was computed. [2021-08-26 08:44:16,793 INFO L857 garLoopResultBuilder]: For program point L166-4(lines 166 172) no Hoare annotation was computed. [2021-08-26 08:44:16,794 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 453) no Hoare annotation was computed. [2021-08-26 08:44:16,794 INFO L857 garLoopResultBuilder]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2021-08-26 08:44:16,794 INFO L857 garLoopResultBuilder]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2021-08-26 08:44:16,794 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 253) no Hoare annotation was computed. [2021-08-26 08:44:16,794 INFO L857 garLoopResultBuilder]: For program point L249-2(lines 249 253) no Hoare annotation was computed. [2021-08-26 08:44:16,794 INFO L857 garLoopResultBuilder]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2021-08-26 08:44:16,794 INFO L857 garLoopResultBuilder]: For program point L249-5(lines 249 253) no Hoare annotation was computed. [2021-08-26 08:44:16,794 INFO L857 garLoopResultBuilder]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2021-08-26 08:44:16,795 INFO L857 garLoopResultBuilder]: For program point L249-8(lines 249 253) no Hoare annotation was computed. [2021-08-26 08:44:16,795 INFO L853 garLoopResultBuilder]: At program point L200(lines 195 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_activatePump_~tmp~1 0) (= 1 ~systemActive~0)) [2021-08-26 08:44:16,795 INFO L853 garLoopResultBuilder]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2021-08-26 08:44:16,795 INFO L853 garLoopResultBuilder]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2021-08-26 08:44:16,798 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:44:16,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:44:16 BoogieIcfgContainer [2021-08-26 08:44:16,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:44:16,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:44:16,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:44:16,822 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:44:16,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:11" (3/4) ... [2021-08-26 08:44:16,825 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:44:16,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:44:16,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:44:16,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:44:16,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:44:16,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:44:16,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:16,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:16,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-26 08:44:16,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) [2021-08-26 08:44:16,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-26 08:44:16,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) [2021-08-26 08:44:16,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-08-26 08:44:16,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) [2021-08-26 08:44:16,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-26 08:44:16,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive [2021-08-26 08:44:16,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) [2021-08-26 08:44:16,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && \result == 0) && !(tmp == 0)) [2021-08-26 08:44:16,897 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:44:16,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:44:16,899 INFO L168 Benchmark]: Toolchain (without parser) took 6896.47 ms. Allocated memory was 48.2 MB in the beginning and 157.3 MB in the end (delta: 109.1 MB). Free memory was 23.3 MB in the beginning and 48.3 MB in the end (delta: -24.9 MB). Peak memory consumption was 84.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:16,899 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 30.9 MB in the beginning and 30.8 MB in the end (delta: 62.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:44:16,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.39 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.2 MB in the beginning and 37.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:16,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.02 ms. Allocated memory is still 60.8 MB. Free memory was 37.7 MB in the beginning and 34.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:16,900 INFO L168 Benchmark]: Boogie Preprocessor took 64.38 ms. Allocated memory is still 60.8 MB. Free memory was 34.4 MB in the beginning and 32.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:16,900 INFO L168 Benchmark]: RCFGBuilder took 960.98 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 32.1 MB in the beginning and 68.5 MB in the end (delta: -36.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:16,901 INFO L168 Benchmark]: TraceAbstraction took 5232.76 ms. Allocated memory was 88.1 MB in the beginning and 157.3 MB in the end (delta: 69.2 MB). Free memory was 68.0 MB in the beginning and 57.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 93.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:16,901 INFO L168 Benchmark]: Witness Printer took 76.07 ms. Allocated memory is still 157.3 MB. Free memory was 57.7 MB in the beginning and 48.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:16,903 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 48.2 MB. Free memory was 30.9 MB in the beginning and 30.8 MB in the end (delta: 62.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 466.39 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.2 MB in the beginning and 37.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.02 ms. Allocated memory is still 60.8 MB. Free memory was 37.7 MB in the beginning and 34.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.38 ms. Allocated memory is still 60.8 MB. Free memory was 34.4 MB in the beginning and 32.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 960.98 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 32.1 MB in the beginning and 68.5 MB in the end (delta: -36.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5232.76 ms. Allocated memory was 88.1 MB in the beginning and 157.3 MB in the end (delta: 69.2 MB). Free memory was 68.0 MB in the beginning and 57.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 93.4 MB. Max. memory is 16.1 GB. * Witness Printer took 76.07 ms. Allocated memory is still 157.3 MB. Free memory was 57.7 MB in the beginning and 48.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: 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, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5159.5ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 21.5ms, AutomataDifference: 1286.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2410.8ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1028 SDtfs, 1366 SDslu, 1800 SDs, 0 SdLazy, 263 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 447.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 462.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=9, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 181.2ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 204 NumberOfFragments, 1061 HoareAnnotationTreeSize, 39 FomulaSimplifications, 189890 FormulaSimplificationTreeSizeReduction, 639.4ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 8055 FormulaSimplificationTreeSizeReductionInter, 1757.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 48.8ms SsaConstructionTime, 294.2ms SatisfiabilityAnalysisTime, 670.9ms InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && \result == 0) && !(tmp == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:44:16,953 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...