./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_spec1_product03.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 a0ad45b227bbb81da93f33ffe3bf06c7b9263248 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:13:16,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:13:16,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:13:16,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:13:16,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:13:16,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:13:16,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:13:16,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:13:16,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:13:16,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:13:16,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:13:16,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:13:16,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:13:16,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:13:16,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:13:16,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:13:16,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:13:16,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:13:16,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:13:16,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:13:16,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:13:16,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:13:16,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:13:16,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:13:16,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:13:16,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:13:16,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:13:16,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:13:16,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:13:16,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:13:16,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:13:16,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:13:16,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:13:16,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:13:16,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:13:16,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:13:16,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:13:16,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:13:16,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:13:16,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:13:16,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:13:16,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:13:16,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:13:16,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:13:16,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:13:16,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:13:16,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:13:16,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:13:16,189 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:13:16,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:13:16,190 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:13:16,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:13:16,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:13:16,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:13:16,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:13:16,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:13:16,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:13:16,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:13:16,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:13:16,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:13:16,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:13:16,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:13:16,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:13:16,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:13:16,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:13:16,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:13:16,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:13:16,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:13:16,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:13:16,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:13:16,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:13:16,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:13:16,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0ad45b227bbb81da93f33ffe3bf06c7b9263248 [2021-08-29 16:13:16,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:13:16,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:13:16,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:13:16,531 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:13:16,532 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:13:16,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-08-29 16:13:16,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09020890/7cfd7b36b22844b3a08ac85d44b2af20/FLAGd6ea0e8d5 [2021-08-29 16:13:17,036 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:13:17,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2021-08-29 16:13:17,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09020890/7cfd7b36b22844b3a08ac85d44b2af20/FLAGd6ea0e8d5 [2021-08-29 16:13:17,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e09020890/7cfd7b36b22844b3a08ac85d44b2af20 [2021-08-29 16:13:17,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:13:17,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:13:17,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:13:17,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:13:17,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:13:17,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710ca02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17, skipping insertion in model container [2021-08-29 16:13:17,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:13:17,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:13:17,408 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_spec1_product03.cil.c[6562,6575] [2021-08-29 16:13:17,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:13:17,499 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:13:17,539 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_spec1_product03.cil.c[6562,6575] [2021-08-29 16:13:17,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:13:17,597 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:13:17,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17 WrapperNode [2021-08-29 16:13:17,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:13:17,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:13:17,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:13:17,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:13:17,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:13:17,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:13:17,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:13:17,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:13:17,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:13:17,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:13:17,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:13:17,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:13:17,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (1/1) ... [2021-08-29 16:13:17,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:13:17,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:13:17,734 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) [2021-08-29 16:13:17,746 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 [2021-08-29 16:13:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:13:17,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:13:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:13:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:13:18,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:13:18,326 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-08-29 16:13:18,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:18 BoogieIcfgContainer [2021-08-29 16:13:18,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:13:18,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:13:18,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:13:18,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:13:18,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:13:17" (1/3) ... [2021-08-29 16:13:18,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@112a3ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:13:18, skipping insertion in model container [2021-08-29 16:13:18,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:17" (2/3) ... [2021-08-29 16:13:18,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@112a3ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:13:18, skipping insertion in model container [2021-08-29 16:13:18,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:18" (3/3) ... [2021-08-29 16:13:18,345 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2021-08-29 16:13:18,351 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:13:18,352 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:13:18,399 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:13:18,406 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 [2021-08-29 16:13:18,406 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:13:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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) [2021-08-29 16:13:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:13:18,430 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:18,430 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:13:18,431 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:18,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:18,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-08-29 16:13:18,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:18,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145603764] [2021-08-29 16:13:18,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:18,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:18,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:18,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145603764] [2021-08-29 16:13:18,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145603764] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:18,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:18,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:13:18,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410682159] [2021-08-29 16:13:18,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:13:18,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:18,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:13:18,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:13:18,768 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-29 16:13:18,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:18,965 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-08-29 16:13:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:13:18,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-08-29 16:13:18,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:18,975 INFO L225 Difference]: With dead ends: 112 [2021-08-29 16:13:18,975 INFO L226 Difference]: Without dead ends: 55 [2021-08-29 16:13:18,978 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.05ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:13:18,983 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 164.67ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:18,984 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 80 Unknown, 0 Unchecked, 1.06ms Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 164.67ms Time] [2021-08-29 16:13:18,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-08-29 16:13:19,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-08-29 16:13:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 54 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:13:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-08-29 16:13:19,028 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-08-29 16:13:19,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:19,030 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-08-29 16:13:19,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-29 16:13:19,030 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-08-29 16:13:19,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:13:19,031 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:19,031 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:13:19,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:13:19,033 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:19,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:19,034 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-08-29 16:13:19,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:19,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031035222] [2021-08-29 16:13:19,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:19,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:19,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:19,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031035222] [2021-08-29 16:13:19,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031035222] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:19,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:19,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:13:19,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470537290] [2021-08-29 16:13:19,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:13:19,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:19,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:13:19,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:13:19,143 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-29 16:13:19,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:19,245 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-08-29 16:13:19,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:13:19,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-08-29 16:13:19,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:19,247 INFO L225 Difference]: With dead ends: 55 [2021-08-29 16:13:19,247 INFO L226 Difference]: Without dead ends: 29 [2021-08-29 16:13:19,247 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:13:19,249 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 33 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.83ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:19,249 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 0 Invalid, 45 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 93.83ms Time] [2021-08-29 16:13:19,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-08-29 16:13:19,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-08-29 16:13:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 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) [2021-08-29 16:13:19,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-08-29 16:13:19,254 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-08-29 16:13:19,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:19,254 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-08-29 16:13:19,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-29 16:13:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-08-29 16:13:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:13:19,255 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:19,256 INFO L513 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] [2021-08-29 16:13:19,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:13:19,256 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:19,257 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-08-29 16:13:19,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:19,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868195100] [2021-08-29 16:13:19,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:19,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:19,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:19,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868195100] [2021-08-29 16:13:19,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868195100] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:19,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:19,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:13:19,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984221183] [2021-08-29 16:13:19,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:13:19,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:19,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:13:19,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:13:19,333 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-08-29 16:13:19,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:19,636 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2021-08-29 16:13:19,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:13:19,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-08-29 16:13:19,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:19,640 INFO L225 Difference]: With dead ends: 98 [2021-08-29 16:13:19,640 INFO L226 Difference]: Without dead ends: 75 [2021-08-29 16:13:19,641 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.88ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:13:19,647 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 153 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 181.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.83ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 239.47ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:19,649 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 0 Invalid, 245 Unknown, 0 Unchecked, 6.83ms Time], IncrementalHoareTripleChecker [2 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 239.47ms Time] [2021-08-29 16:13:19,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-08-29 16:13:19,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2021-08-29 16:13:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 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) [2021-08-29 16:13:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-08-29 16:13:19,672 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-08-29 16:13:19,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:19,673 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-08-29 16:13:19,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-08-29 16:13:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-08-29 16:13:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:13:19,674 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:19,674 INFO L513 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] [2021-08-29 16:13:19,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:13:19,676 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:19,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:19,677 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-08-29 16:13:19,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:19,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387822881] [2021-08-29 16:13:19,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:19,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:19,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:19,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387822881] [2021-08-29 16:13:19,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387822881] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:19,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:19,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:13:19,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051943808] [2021-08-29 16:13:19,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:13:19,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:19,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:13:19,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:13:19,751 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-08-29 16:13:20,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:20,027 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-08-29 16:13:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:13:20,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2021-08-29 16:13:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:20,029 INFO L225 Difference]: With dead ends: 214 [2021-08-29 16:13:20,029 INFO L226 Difference]: Without dead ends: 172 [2021-08-29 16:13:20,030 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.25ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:13:20,031 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 122 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 174.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.05ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 232.13ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:20,031 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 0 Invalid, 241 Unknown, 0 Unchecked, 2.05ms Time], IncrementalHoareTripleChecker [6 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 232.13ms Time] [2021-08-29 16:13:20,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-08-29 16:13:20,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-08-29 16:13:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 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) [2021-08-29 16:13:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-08-29 16:13:20,046 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-08-29 16:13:20,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:20,046 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-08-29 16:13:20,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-08-29 16:13:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-08-29 16:13:20,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 16:13:20,047 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:20,048 INFO L513 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] [2021-08-29 16:13:20,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:13:20,048 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:20,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:20,048 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2021-08-29 16:13:20,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:20,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146256491] [2021-08-29 16:13:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:20,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:20,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:20,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146256491] [2021-08-29 16:13:20,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146256491] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:20,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:20,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:13:20,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216656696] [2021-08-29 16:13:20,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:13:20,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:20,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:13:20,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:13:20,100 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-29 16:13:20,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:20,306 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-08-29 16:13:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:13:20,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-08-29 16:13:20,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:20,307 INFO L225 Difference]: With dead ends: 268 [2021-08-29 16:13:20,307 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:13:20,308 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.77ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:13:20,309 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 88 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.23ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 167.86ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:20,309 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 0 Invalid, 151 Unknown, 0 Unchecked, 1.23ms Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 167.86ms Time] [2021-08-29 16:13:20,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:13:20,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:13:20,310 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) [2021-08-29 16:13:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:13:20,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-08-29 16:13:20,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:20,310 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:13:20,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-29 16:13:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:13:20,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:13:20,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:13:20,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:13:20,314 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:13:20,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:13:20,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:13:20,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:20,543 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-08-29 16:13:20,543 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:13:20,544 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 305) no Hoare annotation was computed. [2021-08-29 16:13:20,544 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-08-29 16:13:20,544 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 276) no Hoare annotation was computed. [2021-08-29 16:13:20,544 INFO L854 garLoopResultBuilder]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:13:20,545 INFO L854 garLoopResultBuilder]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-08-29 16:13:20,545 INFO L854 garLoopResultBuilder]: At program point L139(lines 1 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:20,545 INFO L861 garLoopResultBuilder]: At program point L454(lines 435 457) the Hoare annotation is: true [2021-08-29 16:13:20,545 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-08-29 16:13:20,546 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:13:20,546 INFO L858 garLoopResultBuilder]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2021-08-29 16:13:20,546 INFO L858 garLoopResultBuilder]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2021-08-29 16:13:20,547 INFO L858 garLoopResultBuilder]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-08-29 16:13:20,548 INFO L854 garLoopResultBuilder]: At program point L174(lines 174 180) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:13:20,548 INFO L854 garLoopResultBuilder]: At program point L174-1(lines 174 180) the Hoare annotation is: false [2021-08-29 16:13:20,549 INFO L854 garLoopResultBuilder]: At program point L174-2(lines 174 180) the Hoare annotation is: false [2021-08-29 16:13:20,549 INFO L854 garLoopResultBuilder]: At program point L422(lines 418 424) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:13:20,549 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-08-29 16:13:20,550 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-08-29 16:13:20,550 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-08-29 16:13:20,552 INFO L854 garLoopResultBuilder]: At program point L93-1(lines 167 173) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:13:20,553 INFO L854 garLoopResultBuilder]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2021-08-29 16:13:20,556 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-08-29 16:13:20,556 INFO L854 garLoopResultBuilder]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:13:20,556 INFO L854 garLoopResultBuilder]: At program point L226(lines 221 229) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-29 16:13:20,557 INFO L854 garLoopResultBuilder]: At program point L226-1(lines 221 229) the Hoare annotation is: false [2021-08-29 16:13:20,557 INFO L854 garLoopResultBuilder]: At program point L226-2(lines 221 229) the Hoare annotation is: false [2021-08-29 16:13:20,557 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:13:20,557 INFO L858 garLoopResultBuilder]: For program point L375(line 375) no Hoare annotation was computed. [2021-08-29 16:13:20,557 INFO L854 garLoopResultBuilder]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:13:20,557 INFO L854 garLoopResultBuilder]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2021-08-29 16:13:20,558 INFO L854 garLoopResultBuilder]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2021-08-29 16:13:20,558 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 489) no Hoare annotation was computed. [2021-08-29 16:13:20,558 INFO L854 garLoopResultBuilder]: At program point L476-1(lines 1 858) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:13:20,558 INFO L858 garLoopResultBuilder]: For program point L476-2(lines 476 489) no Hoare annotation was computed. [2021-08-29 16:13:20,559 INFO L854 garLoopResultBuilder]: At program point L476-3(lines 1 858) the Hoare annotation is: false [2021-08-29 16:13:20,559 INFO L858 garLoopResultBuilder]: For program point L476-4(lines 476 489) no Hoare annotation was computed. [2021-08-29 16:13:20,559 INFO L854 garLoopResultBuilder]: At program point L476-5(lines 1 858) the Hoare annotation is: false [2021-08-29 16:13:20,559 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-08-29 16:13:20,559 INFO L858 garLoopResultBuilder]: For program point L378-1(lines 167 173) no Hoare annotation was computed. [2021-08-29 16:13:20,559 INFO L854 garLoopResultBuilder]: At program point L147(lines 142 150) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:20,560 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:13:20,560 INFO L858 garLoopResultBuilder]: For program point L445(lines 445 452) no Hoare annotation was computed. [2021-08-29 16:13:20,560 INFO L861 garLoopResultBuilder]: At program point L445-1(lines 445 452) the Hoare annotation is: true [2021-08-29 16:13:20,560 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 317) no Hoare annotation was computed. [2021-08-29 16:13:20,560 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-08-29 16:13:20,560 INFO L858 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2021-08-29 16:13:20,561 INFO L858 garLoopResultBuilder]: For program point L463-1(line 463) no Hoare annotation was computed. [2021-08-29 16:13:20,561 INFO L858 garLoopResultBuilder]: For program point L463-2(line 463) no Hoare annotation was computed. [2021-08-29 16:13:20,561 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-08-29 16:13:20,562 INFO L854 garLoopResultBuilder]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:13:20,562 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-08-29 16:13:20,562 INFO L858 garLoopResultBuilder]: For program point L480-2(lines 480 486) no Hoare annotation was computed. [2021-08-29 16:13:20,562 INFO L858 garLoopResultBuilder]: For program point L480-4(lines 480 486) no Hoare annotation was computed. [2021-08-29 16:13:20,563 INFO L854 garLoopResultBuilder]: At program point L167(lines 166 185) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:13:20,563 INFO L858 garLoopResultBuilder]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2021-08-29 16:13:20,563 INFO L854 garLoopResultBuilder]: At program point L167-2(lines 166 185) the Hoare annotation is: false [2021-08-29 16:13:20,563 INFO L854 garLoopResultBuilder]: At program point L167-3(lines 166 185) the Hoare annotation is: false [2021-08-29 16:13:20,566 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:13:20,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:13:20 BoogieIcfgContainer [2021-08-29 16:13:20,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:13:20,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:13:20,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:13:20,581 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:13:20,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:18" (3/4) ... [2021-08-29 16:13:20,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:13:20,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:13:20,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:13:20,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:13:20,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:13:20,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:13:20,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:13:20,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:13:20,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-29 16:13:20,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:13:20,613 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-29 16:13:20,634 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:13:20,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:13:20,634 INFO L158 Benchmark]: Toolchain (without parser) took 3567.03ms. Allocated memory was 50.3MB in the beginning and 98.6MB in the end (delta: 48.2MB). Free memory was 26.4MB in the beginning and 54.2MB in the end (delta: -27.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-08-29 16:13:20,635 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 61.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:13:20,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.26ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 26.1MB in the beginning and 42.6MB in the end (delta: -16.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-08-29 16:13:20,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.39ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 39.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:13:20,635 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 38.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:13:20,636 INFO L158 Benchmark]: RCFGBuilder took 637.43ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 36.7MB in the end (delta: 1.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-08-29 16:13:20,636 INFO L158 Benchmark]: TraceAbstraction took 2240.81ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 36.4MB in the beginning and 59.4MB in the end (delta: -22.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-08-29 16:13:20,636 INFO L158 Benchmark]: Witness Printer took 53.49ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 54.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:13:20,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 61.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.26ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 26.1MB in the beginning and 42.6MB in the end (delta: -16.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.39ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 39.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.72ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 38.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.43ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 36.7MB in the end (delta: 1.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2240.81ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 36.4MB in the beginning and 59.4MB in the end (delta: -22.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 53.49ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 54.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 463]: 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, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2168.47ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 16.37ms, AutomataDifference: 1165.79ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 227.99ms, InitialAbstractionConstructionTime: 10.67ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 897.96ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 396 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 672.85ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 428 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 752 IncrementalHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 0 mSDtfsCounter, 752 mSolverCounterSat, 11.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 79.33ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 72.45ms AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 170.13ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 48.19ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 29.15ms SsaConstructionTime, 198.25ms SatisfiabilityAnalysisTime, 277.51ms InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2021-08-29 16:13:20,683 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...