./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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_spec4_product26.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 7b0c3f3646e33973a6d7bd1caf1826f109e77f0e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 09:55:14,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:55:14,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:55:14,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:55:14,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:55:14,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:55:14,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:55:14,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:55:14,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:55:14,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:55:14,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:55:14,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:55:14,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:55:14,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:55:14,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:55:14,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:55:14,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:55:14,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:55:14,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:55:14,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:55:14,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:55:14,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:55:14,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:55:14,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:55:14,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:55:14,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:55:14,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:55:14,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:55:14,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:55:14,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:55:14,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:55:14,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:55:14,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:55:14,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:55:14,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:55:14,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:55:14,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:55:14,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:55:14,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:55:14,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:55:14,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:55:14,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:55:14,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:55:14,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:55:14,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:55:14,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:55:14,823 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:55:14,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:55:14,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:55:14,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:55:14,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:55:14,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:55:14,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:55:14,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:55:14,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:55:14,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:55:14,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:55:14,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:55:14,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:55:14,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:55:14,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:55:14,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b0c3f3646e33973a6d7bd1caf1826f109e77f0e [2021-07-05 09:55:15,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:55:15,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:55:15,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:55:15,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:55:15,151 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:55:15,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2021-07-05 09:55:15,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361c616a1/80bd8d8ef8c04a4680a8233f217ba95d/FLAGfe8277c7f [2021-07-05 09:55:15,599 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:55:15,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2021-07-05 09:55:15,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361c616a1/80bd8d8ef8c04a4680a8233f217ba95d/FLAGfe8277c7f [2021-07-05 09:55:15,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361c616a1/80bd8d8ef8c04a4680a8233f217ba95d [2021-07-05 09:55:15,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:55:15,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:55:15,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:55:15,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:55:15,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:55:15,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:55:15" (1/1) ... [2021-07-05 09:55:15,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b20699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:15, skipping insertion in model container [2021-07-05 09:55:15,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:55:15" (1/1) ... [2021-07-05 09:55:15,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:55:16,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:55:16,091 WARN L224 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_spec4_product26.cil.c[1281,1294] [2021-07-05 09:55:16,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:55:16,191 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:55:16,199 WARN L224 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_spec4_product26.cil.c[1281,1294] [2021-07-05 09:55:16,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:55:16,274 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:55:16,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16 WrapperNode [2021-07-05 09:55:16,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:55:16,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:55:16,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:55:16,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:55:16,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:55:16,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:55:16,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:55:16,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:55:16,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:55:16,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:55:16,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:55:16,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:55:16,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (1/1) ... [2021-07-05 09:55:16,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:55:16,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:55:16,417 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) [2021-07-05 09:55:16,430 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 [2021-07-05 09:55:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:55:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:55:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:55:16,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:55:17,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:55:17,041 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-07-05 09:55:17,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:17 BoogieIcfgContainer [2021-07-05 09:55:17,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:55:17,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:55:17,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:55:17,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:55:17,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:55:15" (1/3) ... [2021-07-05 09:55:17,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5005e132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:55:17, skipping insertion in model container [2021-07-05 09:55:17,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:16" (2/3) ... [2021-07-05 09:55:17,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5005e132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:55:17, skipping insertion in model container [2021-07-05 09:55:17,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:17" (3/3) ... [2021-07-05 09:55:17,048 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2021-07-05 09:55:17,054 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:55:17,055 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:55:17,082 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:17,086 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:17,086 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-07-05 09:55:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 09:55:17,105 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:17,105 INFO L525 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] [2021-07-05 09:55:17,106 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:17,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:17,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-07-05 09:55:17,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:17,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992262133] [2021-07-05 09:55:17,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:17,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:17,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:17,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:17,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:17,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:17,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992262133] [2021-07-05 09:55:17,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992262133] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:17,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:17,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:17,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676383658] [2021-07-05 09:55:17,313 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:17,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:17,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:17,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:17,333 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-07-05 09:55:17,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:17,378 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-07-05 09:55:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:17,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 [2021-07-05 09:55:17,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:17,384 INFO L225 Difference]: With dead ends: 144 [2021-07-05 09:55:17,384 INFO L226 Difference]: Without dead ends: 33 [2021-07-05 09:55:17,386 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:17,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-07-05 09:55:17,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-07-05 09:55:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-07-05 09:55:17,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-07-05 09:55:17,406 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-07-05 09:55:17,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:17,406 INFO L442 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-07-05 09:55:17,406 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-07-05 09:55:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-07-05 09:55:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-07-05 09:55:17,407 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:17,407 INFO L525 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] [2021-07-05 09:55:17,407 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:55:17,408 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:17,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:17,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-07-05 09:55:17,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:17,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359726851] [2021-07-05 09:55:17,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:17,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:17,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:17,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:17,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 09:55:17,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:17,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:17,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359726851] [2021-07-05 09:55:17,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359726851] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:17,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:17,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:55:17,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688567239] [2021-07-05 09:55:17,488 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:55:17,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:17,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:55:17,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:55:17,491 INFO L87 Difference]: Start difference. First operand 33 states and 45 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) [2021-07-05 09:55:17,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:17,565 INFO L93 Difference]: Finished difference Result 120 states and 176 transitions. [2021-07-05 09:55:17,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 09:55:17,566 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 [2021-07-05 09:55:17,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:17,571 INFO L225 Difference]: With dead ends: 120 [2021-07-05 09:55:17,571 INFO L226 Difference]: Without dead ends: 93 [2021-07-05 09:55:17,572 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-05 09:55:17,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-07-05 09:55:17,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 56. [2021-07-05 09:55:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4) internal successors, (77), 55 states have internal predecessors, (77), 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) [2021-07-05 09:55:17,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2021-07-05 09:55:17,588 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 23 [2021-07-05 09:55:17,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:17,588 INFO L442 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2021-07-05 09:55:17,589 INFO L443 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) [2021-07-05 09:55:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2021-07-05 09:55:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 09:55:17,590 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:17,590 INFO L525 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] [2021-07-05 09:55:17,590 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:55:17,591 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:17,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:17,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1173164267, now seen corresponding path program 1 times [2021-07-05 09:55:17,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:17,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431043753] [2021-07-05 09:55:17,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:17,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:17,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:17,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:17,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:17,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:17,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:17,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431043753] [2021-07-05 09:55:17,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431043753] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:17,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:17,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:55:17,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146351274] [2021-07-05 09:55:17,666 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:55:17,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:17,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:55:17,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:55:17,669 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-07-05 09:55:17,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:17,728 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2021-07-05 09:55:17,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:55:17,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 [2021-07-05 09:55:17,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:17,729 INFO L225 Difference]: With dead ends: 124 [2021-07-05 09:55:17,729 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:17,730 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:55:17,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:17,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:17,730 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) [2021-07-05 09:55:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:17,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-07-05 09:55:17,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:17,741 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:17,741 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-07-05 09:55:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:17,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:17,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:17,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,867 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:17,868 INFO L762 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-07-05 09:55:17,868 INFO L762 garLoopResultBuilder]: For program point L845-1(lines 139 145) no Hoare annotation was computed. [2021-07-05 09:55:17,868 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:17,868 INFO L762 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:17,868 INFO L762 garLoopResultBuilder]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:17,868 INFO L762 garLoopResultBuilder]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:17,868 INFO L762 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2021-07-05 09:55:17,869 INFO L758 garLoopResultBuilder]: At program point L86-1(lines 86 92) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,869 INFO L762 garLoopResultBuilder]: For program point L912(lines 912 919) no Hoare annotation was computed. [2021-07-05 09:55:17,869 INFO L758 garLoopResultBuilder]: At program point L912-1(lines 912 919) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,869 INFO L762 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-07-05 09:55:17,869 INFO L758 garLoopResultBuilder]: At program point L104-2(lines 139 145) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,869 INFO L758 garLoopResultBuilder]: At program point L451(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,870 INFO L762 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:17,870 INFO L762 garLoopResultBuilder]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:17,870 INFO L762 garLoopResultBuilder]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:17,870 INFO L758 garLoopResultBuilder]: At program point L386(lines 381 389) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,870 INFO L758 garLoopResultBuilder]: At program point L386-1(lines 381 389) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,870 INFO L758 garLoopResultBuilder]: At program point L386-2(lines 381 389) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,870 INFO L758 garLoopResultBuilder]: At program point L139(lines 138 157) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,870 INFO L762 garLoopResultBuilder]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2021-07-05 09:55:17,871 INFO L758 garLoopResultBuilder]: At program point L139-2(lines 138 157) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,871 INFO L758 garLoopResultBuilder]: At program point L139-3(lines 138 157) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,871 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:17,871 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:17,871 INFO L762 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:17,871 INFO L762 garLoopResultBuilder]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:17,871 INFO L762 garLoopResultBuilder]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:17,871 INFO L762 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-07-05 09:55:17,872 INFO L758 garLoopResultBuilder]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,872 INFO L762 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:17,872 INFO L762 garLoopResultBuilder]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:17,872 INFO L762 garLoopResultBuilder]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:17,872 INFO L762 garLoopResultBuilder]: For program point L291-5(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:17,872 INFO L762 garLoopResultBuilder]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:17,872 INFO L762 garLoopResultBuilder]: For program point L291-8(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:17,874 INFO L762 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-07-05 09:55:17,876 INFO L758 garLoopResultBuilder]: At program point L242(lines 237 245) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,876 INFO L758 garLoopResultBuilder]: At program point L242-1(lines 237 245) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,876 INFO L758 garLoopResultBuilder]: At program point L242-2(lines 237 245) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,877 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:17,877 INFO L762 garLoopResultBuilder]: For program point L408(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:17,877 INFO L758 garLoopResultBuilder]: At program point L408-1(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,877 INFO L762 garLoopResultBuilder]: For program point L408-2(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:17,877 INFO L758 garLoopResultBuilder]: At program point L408-3(lines 1 924) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,877 INFO L762 garLoopResultBuilder]: For program point L408-4(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:17,877 INFO L758 garLoopResultBuilder]: At program point L408-5(lines 1 924) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,877 INFO L758 garLoopResultBuilder]: At program point L921(lines 902 924) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,878 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:55:17,878 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:55:17,880 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:55:17,880 INFO L758 garLoopResultBuilder]: At program point L459(lines 454 462) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,880 INFO L762 garLoopResultBuilder]: For program point L96(lines 96 109) no Hoare annotation was computed. [2021-07-05 09:55:17,880 INFO L758 garLoopResultBuilder]: At program point L889(lines 885 891) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,881 INFO L758 garLoopResultBuilder]: At program point L146(lines 146 152) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:17,881 INFO L758 garLoopResultBuilder]: At program point L146-1(lines 146 152) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,881 INFO L758 garLoopResultBuilder]: At program point L146-2(lines 146 152) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,882 INFO L758 garLoopResultBuilder]: At program point L114(lines 65 115) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,882 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: false [2021-07-05 09:55:17,886 INFO L758 garLoopResultBuilder]: At program point L395-1(lines 390 398) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,886 INFO L762 garLoopResultBuilder]: For program point L329(lines 329 333) no Hoare annotation was computed. [2021-07-05 09:55:17,886 INFO L758 garLoopResultBuilder]: At program point L395-2(lines 390 398) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,886 INFO L758 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,886 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:17,887 INFO L762 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:17,887 INFO L762 garLoopResultBuilder]: For program point L412-2(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:17,887 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:17,887 INFO L762 garLoopResultBuilder]: For program point L412-4(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:17,887 INFO L762 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2021-07-05 09:55:17,887 INFO L758 garLoopResultBuilder]: At program point L297(lines 282 300) the Hoare annotation is: false [2021-07-05 09:55:17,888 INFO L758 garLoopResultBuilder]: At program point L297-1(lines 282 300) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,888 INFO L758 garLoopResultBuilder]: At program point L297-2(lines 282 300) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:17,889 INFO L762 garLoopResultBuilder]: For program point L67(lines 66 113) no Hoare annotation was computed. [2021-07-05 09:55:17,889 INFO L762 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-07-05 09:55:17,889 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 09:55:17,889 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:17,892 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:55:17,898 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:17,902 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:17,902 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:17,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-07-05 09:55:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 09:55:17,906 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:17,906 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:17,906 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:17,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:17,907 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-07-05 09:55:17,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:17,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715647489] [2021-07-05 09:55:17,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:17,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:17,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:17,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:17,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:17,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715647489] [2021-07-05 09:55:17,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715647489] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:17,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:17,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:17,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318208483] [2021-07-05 09:55:17,945 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:55:17,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:17,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:55:17,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:17,946 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-07-05 09:55:17,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:17,948 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-07-05 09:55:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:55:17,948 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 [2021-07-05 09:55:17,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:17,949 INFO L225 Difference]: With dead ends: 144 [2021-07-05 09:55:17,949 INFO L226 Difference]: Without dead ends: 48 [2021-07-05 09:55:17,949 INFO L795 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 [2021-07-05 09:55:17,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-07-05 09:55:17,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-07-05 09:55:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 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) [2021-07-05 09:55:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2021-07-05 09:55:17,952 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 16 [2021-07-05 09:55:17,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:17,952 INFO L442 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2021-07-05 09:55:17,952 INFO L443 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) [2021-07-05 09:55:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2021-07-05 09:55:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 09:55:17,953 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:17,953 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:17,953 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-07-05 09:55:17,953 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:17,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:17,954 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-07-05 09:55:17,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:17,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500088433] [2021-07-05 09:55:17,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:17,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:17,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:17,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:17,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:17,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:17,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:17,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500088433] [2021-07-05 09:55:17,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500088433] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:17,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:17,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:17,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887130335] [2021-07-05 09:55:17,988 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:17,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:17,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:17,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:17,988 INFO L87 Difference]: Start difference. First operand 48 states and 67 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) [2021-07-05 09:55:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:17,993 INFO L93 Difference]: Finished difference Result 48 states and 67 transitions. [2021-07-05 09:55:17,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:17,993 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 [2021-07-05 09:55:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:17,993 INFO L225 Difference]: With dead ends: 48 [2021-07-05 09:55:17,994 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:17,996 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:17,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:17,996 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) [2021-07-05 09:55:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:17,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-07-05 09:55:17,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:17,997 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:17,997 INFO L443 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) [2021-07-05 09:55:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:17,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:17,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:17,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:17,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,046 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,046 INFO L762 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-07-05 09:55:18,046 INFO L762 garLoopResultBuilder]: For program point L845-1(lines 139 145) no Hoare annotation was computed. [2021-07-05 09:55:18,047 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:18,047 INFO L762 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:18,047 INFO L762 garLoopResultBuilder]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:18,047 INFO L762 garLoopResultBuilder]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:18,047 INFO L762 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2021-07-05 09:55:18,047 INFO L758 garLoopResultBuilder]: At program point L86-1(lines 86 92) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,047 INFO L762 garLoopResultBuilder]: For program point L912(lines 912 919) no Hoare annotation was computed. [2021-07-05 09:55:18,047 INFO L758 garLoopResultBuilder]: At program point L912-1(lines 912 919) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,047 INFO L762 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-07-05 09:55:18,048 INFO L758 garLoopResultBuilder]: At program point L104-2(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,048 INFO L758 garLoopResultBuilder]: At program point L451(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,048 INFO L762 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:18,048 INFO L762 garLoopResultBuilder]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:18,048 INFO L762 garLoopResultBuilder]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:18,048 INFO L758 garLoopResultBuilder]: At program point L386(lines 381 389) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,049 INFO L758 garLoopResultBuilder]: At program point L386-1(lines 381 389) the Hoare annotation is: false [2021-07-05 09:55:18,049 INFO L758 garLoopResultBuilder]: At program point L386-2(lines 381 389) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,049 INFO L758 garLoopResultBuilder]: At program point L139(lines 138 157) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,049 INFO L762 garLoopResultBuilder]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2021-07-05 09:55:18,049 INFO L758 garLoopResultBuilder]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2021-07-05 09:55:18,049 INFO L758 garLoopResultBuilder]: At program point L139-3(lines 138 157) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,049 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:18,050 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,050 INFO L762 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:18,050 INFO L762 garLoopResultBuilder]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:18,050 INFO L762 garLoopResultBuilder]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:18,050 INFO L762 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-07-05 09:55:18,050 INFO L758 garLoopResultBuilder]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,051 INFO L762 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,052 INFO L762 garLoopResultBuilder]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,052 INFO L762 garLoopResultBuilder]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,052 INFO L762 garLoopResultBuilder]: For program point L291-5(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,053 INFO L762 garLoopResultBuilder]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,053 INFO L762 garLoopResultBuilder]: For program point L291-8(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,053 INFO L762 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-07-05 09:55:18,053 INFO L758 garLoopResultBuilder]: At program point L242(lines 237 245) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,053 INFO L758 garLoopResultBuilder]: At program point L242-1(lines 237 245) the Hoare annotation is: false [2021-07-05 09:55:18,053 INFO L758 garLoopResultBuilder]: At program point L242-2(lines 237 245) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,053 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:18,053 INFO L762 garLoopResultBuilder]: For program point L408(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:18,053 INFO L758 garLoopResultBuilder]: At program point L408-1(lines 1 924) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,054 INFO L762 garLoopResultBuilder]: For program point L408-2(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:18,054 INFO L758 garLoopResultBuilder]: At program point L408-3(lines 1 924) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,054 INFO L762 garLoopResultBuilder]: For program point L408-4(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:18,054 INFO L758 garLoopResultBuilder]: At program point L408-5(lines 1 924) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,054 INFO L758 garLoopResultBuilder]: At program point L921(lines 902 924) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,055 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,055 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,055 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,055 INFO L758 garLoopResultBuilder]: At program point L459(lines 454 462) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,055 INFO L762 garLoopResultBuilder]: For program point L96(lines 96 109) no Hoare annotation was computed. [2021-07-05 09:55:18,055 INFO L758 garLoopResultBuilder]: At program point L889(lines 885 891) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,056 INFO L758 garLoopResultBuilder]: At program point L146(lines 146 152) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,056 INFO L758 garLoopResultBuilder]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2021-07-05 09:55:18,056 INFO L758 garLoopResultBuilder]: At program point L146-2(lines 146 152) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,056 INFO L758 garLoopResultBuilder]: At program point L114(lines 65 115) the Hoare annotation is: false [2021-07-05 09:55:18,056 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: false [2021-07-05 09:55:18,056 INFO L758 garLoopResultBuilder]: At program point L395-1(lines 390 398) the Hoare annotation is: false [2021-07-05 09:55:18,056 INFO L762 garLoopResultBuilder]: For program point L329(lines 329 333) no Hoare annotation was computed. [2021-07-05 09:55:18,056 INFO L758 garLoopResultBuilder]: At program point L395-2(lines 390 398) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,056 INFO L758 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,056 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:18,057 INFO L762 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:18,057 INFO L762 garLoopResultBuilder]: For program point L412-2(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:18,057 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,057 INFO L762 garLoopResultBuilder]: For program point L412-4(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:18,057 INFO L762 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2021-07-05 09:55:18,057 INFO L758 garLoopResultBuilder]: At program point L297(lines 282 300) the Hoare annotation is: false [2021-07-05 09:55:18,058 INFO L758 garLoopResultBuilder]: At program point L297-1(lines 282 300) the Hoare annotation is: false [2021-07-05 09:55:18,058 INFO L758 garLoopResultBuilder]: At program point L297-2(lines 282 300) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,058 INFO L762 garLoopResultBuilder]: For program point L67(lines 66 113) no Hoare annotation was computed. [2021-07-05 09:55:18,058 INFO L762 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-07-05 09:55:18,058 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-07-05 09:55:18,058 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:18,058 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:55:18,061 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:18,061 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:18,062 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-07-05 09:55:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:55:18,068 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:18,068 INFO L525 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] [2021-07-05 09:55:18,068 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:18,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:18,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1687801858, now seen corresponding path program 1 times [2021-07-05 09:55:18,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:18,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970058706] [2021-07-05 09:55:18,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:18,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:18,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:18,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:18,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:18,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:18,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:18,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970058706] [2021-07-05 09:55:18,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970058706] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:18,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:18,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:18,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701693922] [2021-07-05 09:55:18,107 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:55:18,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:18,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:55:18,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:18,108 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 12.5) 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) [2021-07-05 09:55:18,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:18,113 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-07-05 09:55:18,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:55:18,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) 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 [2021-07-05 09:55:18,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:18,116 INFO L225 Difference]: With dead ends: 144 [2021-07-05 09:55:18,116 INFO L226 Difference]: Without dead ends: 67 [2021-07-05 09:55:18,116 INFO L795 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 [2021-07-05 09:55:18,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-07-05 09:55:18,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-07-05 09:55:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 66 states have internal predecessors, (95), 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) [2021-07-05 09:55:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-07-05 09:55:18,127 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 25 [2021-07-05 09:55:18,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:18,128 INFO L442 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-07-05 09:55:18,128 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.5) 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) [2021-07-05 09:55:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-07-05 09:55:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 09:55:18,130 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:18,130 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:18,130 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-07-05 09:55:18,130 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:18,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:18,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1569908481, now seen corresponding path program 1 times [2021-07-05 09:55:18,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:18,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86659946] [2021-07-05 09:55:18,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:18,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:18,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:18,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:18,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:18,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:18,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:18,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:18,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86659946] [2021-07-05 09:55:18,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86659946] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:18,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:18,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:18,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791133138] [2021-07-05 09:55:18,164 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:18,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:18,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:18,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:18,165 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:18,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:18,168 INFO L93 Difference]: Finished difference Result 67 states and 95 transitions. [2021-07-05 09:55:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:18,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-07-05 09:55:18,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:18,169 INFO L225 Difference]: With dead ends: 67 [2021-07-05 09:55:18,169 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:18,169 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:18,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:18,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:18,170 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) [2021-07-05 09:55:18,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:18,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-07-05 09:55:18,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:18,170 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:18,170 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:18,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:18,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:18,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:18,218 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,218 INFO L762 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-07-05 09:55:18,218 INFO L762 garLoopResultBuilder]: For program point L845-1(lines 139 145) no Hoare annotation was computed. [2021-07-05 09:55:18,218 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:18,218 INFO L762 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:18,218 INFO L762 garLoopResultBuilder]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:18,219 INFO L762 garLoopResultBuilder]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2021-07-05 09:55:18,219 INFO L762 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2021-07-05 09:55:18,219 INFO L758 garLoopResultBuilder]: At program point L86-1(lines 86 92) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,219 INFO L762 garLoopResultBuilder]: For program point L912(lines 912 919) no Hoare annotation was computed. [2021-07-05 09:55:18,219 INFO L758 garLoopResultBuilder]: At program point L912-1(lines 912 919) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,219 INFO L762 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-07-05 09:55:18,219 INFO L758 garLoopResultBuilder]: At program point L104-2(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,219 INFO L758 garLoopResultBuilder]: At program point L451(lines 1 924) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,219 INFO L762 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:18,220 INFO L762 garLoopResultBuilder]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:18,220 INFO L762 garLoopResultBuilder]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2021-07-05 09:55:18,220 INFO L758 garLoopResultBuilder]: At program point L386(lines 381 389) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,220 INFO L758 garLoopResultBuilder]: At program point L386-1(lines 381 389) the Hoare annotation is: false [2021-07-05 09:55:18,220 INFO L758 garLoopResultBuilder]: At program point L386-2(lines 381 389) the Hoare annotation is: false [2021-07-05 09:55:18,220 INFO L758 garLoopResultBuilder]: At program point L139(lines 138 157) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,220 INFO L762 garLoopResultBuilder]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2021-07-05 09:55:18,220 INFO L758 garLoopResultBuilder]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2021-07-05 09:55:18,220 INFO L758 garLoopResultBuilder]: At program point L139-3(lines 138 157) the Hoare annotation is: false [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-07-05 09:55:18,221 INFO L758 garLoopResultBuilder]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,221 INFO L762 garLoopResultBuilder]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,222 INFO L762 garLoopResultBuilder]: For program point L291-5(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,222 INFO L762 garLoopResultBuilder]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,223 INFO L762 garLoopResultBuilder]: For program point L291-8(lines 291 295) no Hoare annotation was computed. [2021-07-05 09:55:18,223 INFO L762 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-07-05 09:55:18,223 INFO L758 garLoopResultBuilder]: At program point L242(lines 237 245) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,223 INFO L758 garLoopResultBuilder]: At program point L242-1(lines 237 245) the Hoare annotation is: false [2021-07-05 09:55:18,223 INFO L758 garLoopResultBuilder]: At program point L242-2(lines 237 245) the Hoare annotation is: false [2021-07-05 09:55:18,223 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:18,223 INFO L762 garLoopResultBuilder]: For program point L408(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:18,223 INFO L758 garLoopResultBuilder]: At program point L408-1(lines 1 924) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,223 INFO L762 garLoopResultBuilder]: For program point L408-2(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:18,224 INFO L758 garLoopResultBuilder]: At program point L408-3(lines 1 924) the Hoare annotation is: false [2021-07-05 09:55:18,224 INFO L762 garLoopResultBuilder]: For program point L408-4(lines 408 421) no Hoare annotation was computed. [2021-07-05 09:55:18,224 INFO L758 garLoopResultBuilder]: At program point L408-5(lines 1 924) the Hoare annotation is: false [2021-07-05 09:55:18,224 INFO L758 garLoopResultBuilder]: At program point L921(lines 902 924) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:55:18,224 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,224 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,224 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,224 INFO L758 garLoopResultBuilder]: At program point L459(lines 454 462) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,228 INFO L762 garLoopResultBuilder]: For program point L96(lines 96 109) no Hoare annotation was computed. [2021-07-05 09:55:18,228 INFO L758 garLoopResultBuilder]: At program point L889(lines 885 891) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,232 INFO L758 garLoopResultBuilder]: At program point L146(lines 146 152) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:18,232 INFO L758 garLoopResultBuilder]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2021-07-05 09:55:18,233 INFO L758 garLoopResultBuilder]: At program point L146-2(lines 146 152) the Hoare annotation is: false [2021-07-05 09:55:18,233 INFO L758 garLoopResultBuilder]: At program point L114(lines 65 115) the Hoare annotation is: false [2021-07-05 09:55:18,233 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: false [2021-07-05 09:55:18,233 INFO L758 garLoopResultBuilder]: At program point L395-1(lines 390 398) the Hoare annotation is: false [2021-07-05 09:55:18,233 INFO L762 garLoopResultBuilder]: For program point L329(lines 329 333) no Hoare annotation was computed. [2021-07-05 09:55:18,233 INFO L758 garLoopResultBuilder]: At program point L395-2(lines 390 398) the Hoare annotation is: false [2021-07-05 09:55:18,233 INFO L758 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: false [2021-07-05 09:55:18,233 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:18,233 INFO L762 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:18,233 INFO L762 garLoopResultBuilder]: For program point L412-2(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:18,234 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:18,234 INFO L762 garLoopResultBuilder]: For program point L412-4(lines 412 418) no Hoare annotation was computed. [2021-07-05 09:55:18,234 INFO L762 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2021-07-05 09:55:18,234 INFO L758 garLoopResultBuilder]: At program point L297(lines 282 300) the Hoare annotation is: false [2021-07-05 09:55:18,234 INFO L758 garLoopResultBuilder]: At program point L297-1(lines 282 300) the Hoare annotation is: false [2021-07-05 09:55:18,234 INFO L758 garLoopResultBuilder]: At program point L297-2(lines 282 300) the Hoare annotation is: false [2021-07-05 09:55:18,234 INFO L762 garLoopResultBuilder]: For program point L67(lines 66 113) no Hoare annotation was computed. [2021-07-05 09:55:18,234 INFO L762 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-07-05 09:55:18,234 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-07-05 09:55:18,234 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:18,235 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:55:18,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:55:18 BoogieIcfgContainer [2021-07-05 09:55:18,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:55:18,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:55:18,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:55:18,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:55:18,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:17" (3/4) ... [2021-07-05 09:55:18,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:55:18,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:55:18,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:55:18,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:55:18,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:55:18,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:55:18,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:55:18,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:55:18,285 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0 [2021-07-05 09:55:18,299 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:55:18,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:55:18,300 INFO L168 Benchmark]: Toolchain (without parser) took 2334.98 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 37.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:18,301 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 73.4 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:55:18,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.19 ms. Allocated memory is still 73.4 MB. Free memory was 54.4 MB in the beginning and 46.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:18,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.39 ms. Allocated memory is still 73.4 MB. Free memory was 46.3 MB in the beginning and 43.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:18,301 INFO L168 Benchmark]: Boogie Preprocessor took 53.72 ms. Allocated memory is still 73.4 MB. Free memory was 43.2 MB in the beginning and 41.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:18,302 INFO L168 Benchmark]: RCFGBuilder took 642.38 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 41.1 MB in the beginning and 68.3 MB in the end (delta: -27.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:18,302 INFO L168 Benchmark]: TraceAbstraction took 1201.97 ms. Allocated memory is still 104.9 MB. Free memory was 67.7 MB in the beginning and 43.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:18,302 INFO L168 Benchmark]: Witness Printer took 53.48 ms. Allocated memory is still 104.9 MB. Free memory was 43.9 MB in the beginning and 37.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:18,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 73.4 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 308.19 ms. Allocated memory is still 73.4 MB. Free memory was 54.4 MB in the beginning and 46.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.39 ms. Allocated memory is still 73.4 MB. Free memory was 46.3 MB in the beginning and 43.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.72 ms. Allocated memory is still 73.4 MB. Free memory was 43.2 MB in the beginning and 41.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 642.38 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 41.1 MB in the beginning and 68.3 MB in the end (delta: -27.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1201.97 ms. Allocated memory is still 104.9 MB. Free memory was 67.7 MB in the beginning and 43.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * Witness Printer took 53.48 ms. Allocated memory is still 104.9 MB. Free memory was 43.9 MB in the beginning and 37.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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 - 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 - 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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 for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 811.3ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 13.2ms, AutomataDifference: 218.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 122.1ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 212 SDtfs, 301 SDslu, 205 SDs, 0 SdLazy, 56 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 62.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 27.4ms AutomataMinimizationTime, 3 MinimizatonAttempts, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 77 NumberOfFragments, 145 HoareAnnotationTreeSize, 31 FomulaSimplifications, 483 FormulaSimplificationTreeSizeReduction, 59.1ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 53.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 12.4ms SsaConstructionTime, 106.2ms SatisfiabilityAnalysisTime, 157.7ms InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 160.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.6ms, AutomataDifference: 11.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 48.8ms, InitialAbstractionConstructionTime: 2.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 147 SDtfs, 37 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 52 NumberOfFragments, 51 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 16.7ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 29.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 6.3ms SsaConstructionTime, 31.2ms SatisfiabilityAnalysisTime, 27.3ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 173.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 6.1ms, AutomataDifference: 13.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 47.1ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 147 SDtfs, 37 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11.3ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 43 NumberOfFragments, 51 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 12.6ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 32.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 4.2ms SsaConstructionTime, 18.2ms SatisfiabilityAnalysisTime, 44.9ms InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 902]: Loop Invariant Derived loop invariant: 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == 1) && pumpRunning == 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 == systemActive - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == 1) && pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == 1) && pumpRunning == 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-07-05 09:55:18,337 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...