./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product01.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_product01.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 2db56498d5efee7ebbfc800217bb7d691cfe36ed .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:54:58,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:54:58,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:54:58,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:54:58,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:54:58,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:54:58,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:54:58,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:54:58,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:54:58,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:54:58,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:54:58,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:54:58,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:54:58,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:54:58,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:54:58,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:54:58,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:54:58,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:54:58,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:54:58,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:54:58,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:54:58,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:54:58,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:54:58,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:54:58,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:54:58,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:54:58,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:54:58,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:54:58,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:54:58,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:54:58,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:54:58,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:54:58,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:54:58,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:54:58,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:54:58,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:54:58,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:54:58,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:54:58,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:54:58,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:54:58,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:54:58,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:54:58,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:54:58,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:54:58,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:54:58,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:54:58,847 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:54:58,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:54:58,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:54:58,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:54:58,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:54:58,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:54:58,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2021-07-05 09:54:59,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:54:59,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:54:59,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:54:59,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:54:59,110 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:54:59,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-07-05 09:54:59,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba9fdf2aa/c9947ac2894249ccb9901c5712a80d2a/FLAG9ac46cb7d [2021-07-05 09:54:59,561 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:54:59,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-07-05 09:54:59,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba9fdf2aa/c9947ac2894249ccb9901c5712a80d2a/FLAG9ac46cb7d [2021-07-05 09:54:59,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba9fdf2aa/c9947ac2894249ccb9901c5712a80d2a [2021-07-05 09:54:59,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:54:59,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:54:59,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:54:59,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:54:59,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:54:59,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:54:59" (1/1) ... [2021-07-05 09:54:59,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29545639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:59, skipping insertion in model container [2021-07-05 09:54:59,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:54:59" (1/1) ... [2021-07-05 09:54:59,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:54:59,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:55:00,114 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_product01.cil.c[1281,1294] [2021-07-05 09:55:00,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:55:00,274 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:55:00,286 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_product01.cil.c[1281,1294] [2021-07-05 09:55:00,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:55:00,349 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:55:00,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00 WrapperNode [2021-07-05 09:55:00,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:55:00,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:55:00,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:55:00,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:55:00,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:55:00,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:55:00,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:55:00,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:55:00,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:55:00,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:55:00,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:55:00,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:55:00,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (1/1) ... [2021-07-05 09:55:00,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:55:00,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:55:00,486 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 09:55:00,497 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 09:55:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:55:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:55:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:55:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:55:01,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:55:01,035 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-07-05 09:55:01,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:01 BoogieIcfgContainer [2021-07-05 09:55:01,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:55:01,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:55:01,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:55:01,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:55:01,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:54:59" (1/3) ... [2021-07-05 09:55:01,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330ecdf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:55:01, skipping insertion in model container [2021-07-05 09:55:01,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:00" (2/3) ... [2021-07-05 09:55:01,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@330ecdf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:55:01, skipping insertion in model container [2021-07-05 09:55:01,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:01" (3/3) ... [2021-07-05 09:55:01,042 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2021-07-05 09:55:01,046 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:55:01,047 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:55:01,082 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:01,090 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 09:55:01,090 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 09:55:01,104 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:01,105 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 09:55:01,105 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:01,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:01,110 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-07-05 09:55:01,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:01,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999257964] [2021-07-05 09:55:01,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:01,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:01,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:01,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:55:01,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:55:01,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:55:01,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:01,397 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 09:55:01,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:01,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999257964] [2021-07-05 09:55:01,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999257964] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:01,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:01,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 09:55:01,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433109086] [2021-07-05 09:55:01,415 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 09:55:01,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:01,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 09:55:01,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-05 09:55:01,432 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:01,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:01,742 INFO L93 Difference]: Finished difference Result 277 states and 433 transitions. [2021-07-05 09:55:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-05 09:55:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-07-05 09:55:01,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:01,750 INFO L225 Difference]: With dead ends: 277 [2021-07-05 09:55:01,750 INFO L226 Difference]: Without dead ends: 121 [2021-07-05 09:55:01,753 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 116.0ms TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-07-05 09:55:01,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-07-05 09:55:01,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2021-07-05 09:55:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4576271186440677) internal successors, (86), 59 states have internal predecessors, (86), 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 09:55:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2021-07-05 09:55:01,779 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 22 [2021-07-05 09:55:01,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:01,780 INFO L442 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2021-07-05 09:55:01,780 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2021-07-05 09:55:01,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-07-05 09:55:01,781 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:01,781 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 09:55:01,781 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:55:01,781 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:01,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:01,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2021-07-05 09:55:01,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:01,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968353013] [2021-07-05 09:55:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:01,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:01,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:01,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:01,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:01,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:01,846 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 09:55:01,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:01,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968353013] [2021-07-05 09:55:01,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968353013] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:01,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:01,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:55:01,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129539803] [2021-07-05 09:55:01,848 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:55:01,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:01,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:55:01,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:55:01,850 INFO L87 Difference]: Start difference. First operand 60 states and 86 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 09:55:01,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:01,883 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2021-07-05 09:55:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:55:01,883 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 09:55:01,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:01,883 INFO L225 Difference]: With dead ends: 163 [2021-07-05 09:55:01,884 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:01,885 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:55:01,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:01,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:01,885 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 09:55:01,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:01,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-07-05 09:55:01,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:01,886 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:01,886 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 09:55:01,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:01,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:01,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:01,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:01,982 INFO L762 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-07-05 09:55:01,983 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:01,983 INFO L762 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-07-05 09:55:01,983 INFO L762 garLoopResultBuilder]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-07-05 09:55:01,983 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:01,983 INFO L762 garLoopResultBuilder]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:01,984 INFO L765 garLoopResultBuilder]: At program point L185(lines 166 188) the Hoare annotation is: true [2021-07-05 09:55:01,984 INFO L758 garLoopResultBuilder]: At program point L152(lines 148 154) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:01,985 INFO L762 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-07-05 09:55:01,985 INFO L762 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:55:01,985 INFO L758 garLoopResultBuilder]: At program point L334-1(lines 334 340) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:55:01,985 INFO L758 garLoopResultBuilder]: At program point L204(lines 203 222) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:55:01,985 INFO L762 garLoopResultBuilder]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:01,985 INFO L765 garLoopResultBuilder]: At program point L204-2(lines 203 222) the Hoare annotation is: true [2021-07-05 09:55:01,986 INFO L762 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-07-05 09:55:01,986 INFO L765 garLoopResultBuilder]: At program point L204-3(lines 203 222) the Hoare annotation is: true [2021-07-05 09:55:01,986 INFO L762 garLoopResultBuilder]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:01,986 INFO L762 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-07-05 09:55:01,986 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:01,987 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:01,988 INFO L758 garLoopResultBuilder]: At program point L76(lines 1 840) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:01,988 INFO L762 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-07-05 09:55:01,988 INFO L758 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:55:01,988 INFO L762 garLoopResultBuilder]: For program point L176(lines 176 183) no Hoare annotation was computed. [2021-07-05 09:55:01,989 INFO L765 garLoopResultBuilder]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2021-07-05 09:55:01,989 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:01,989 INFO L762 garLoopResultBuilder]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:01,989 INFO L758 garLoopResultBuilder]: At program point L458-1(lines 1 840) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:55:01,989 INFO L762 garLoopResultBuilder]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:01,989 INFO L765 garLoopResultBuilder]: At program point L458-3(lines 1 840) the Hoare annotation is: true [2021-07-05 09:55:01,989 INFO L762 garLoopResultBuilder]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:01,990 INFO L765 garLoopResultBuilder]: At program point L458-5(lines 1 840) the Hoare annotation is: true [2021-07-05 09:55:01,990 INFO L762 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:01,990 INFO L762 garLoopResultBuilder]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:01,990 INFO L758 garLoopResultBuilder]: At program point L211(lines 211 217) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:55:01,990 INFO L765 garLoopResultBuilder]: At program point L211-1(lines 211 217) the Hoare annotation is: true [2021-07-05 09:55:01,990 INFO L762 garLoopResultBuilder]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:01,991 INFO L765 garLoopResultBuilder]: At program point L211-2(lines 211 217) the Hoare annotation is: true [2021-07-05 09:55:01,991 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:55:01,991 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:55:01,991 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:55:01,991 INFO L765 garLoopResultBuilder]: At program point L360(lines 313 361) the Hoare annotation is: true [2021-07-05 09:55:01,991 INFO L762 garLoopResultBuilder]: For program point L344(lines 344 355) no Hoare annotation was computed. [2021-07-05 09:55:01,991 INFO L758 garLoopResultBuilder]: At program point L263(lines 258 266) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:01,991 INFO L765 garLoopResultBuilder]: At program point L263-1(lines 258 266) the Hoare annotation is: true [2021-07-05 09:55:01,992 INFO L765 garLoopResultBuilder]: At program point L263-2(lines 258 266) the Hoare annotation is: true [2021-07-05 09:55:01,992 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:01,992 INFO L758 garLoopResultBuilder]: At program point L445(lines 440 448) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:55:01,992 INFO L765 garLoopResultBuilder]: At program point L445-1(lines 440 448) the Hoare annotation is: true [2021-07-05 09:55:01,992 INFO L765 garLoopResultBuilder]: At program point L445-2(lines 440 448) the Hoare annotation is: true [2021-07-05 09:55:01,992 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:01,993 INFO L762 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:01,993 INFO L762 garLoopResultBuilder]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:01,993 INFO L762 garLoopResultBuilder]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:01,993 INFO L762 garLoopResultBuilder]: For program point L315(lines 314 359) no Hoare annotation was computed. [2021-07-05 09:55:01,993 INFO L758 garLoopResultBuilder]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:01,993 INFO L765 garLoopResultBuilder]: At program point L101-2(lines 101 115) the Hoare annotation is: true [2021-07-05 09:55:01,993 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:55:01,994 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:01,996 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:55:02,004 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:02,007 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 09:55:02,007 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 09:55:02,013 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:02,013 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:02,013 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:02,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:02,013 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-07-05 09:55:02,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:02,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966875208] [2021-07-05 09:55:02,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:02,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:02,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:02,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:02,041 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 09:55:02,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:02,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966875208] [2021-07-05 09:55:02,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966875208] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:02,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:02,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:02,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179210261] [2021-07-05 09:55:02,043 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:55:02,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:02,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:55:02,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:02,045 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 09:55:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:02,056 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-07-05 09:55:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:55:02,057 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 09:55:02,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:02,057 INFO L225 Difference]: With dead ends: 108 [2021-07-05 09:55:02,057 INFO L226 Difference]: Without dead ends: 36 [2021-07-05 09:55:02,057 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 09:55:02,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-07-05 09:55:02,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-07-05 09:55:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.4) internal successors, (49), 35 states have internal predecessors, (49), 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 09:55:02,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2021-07-05 09:55:02,060 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 16 [2021-07-05 09:55:02,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:02,060 INFO L442 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2021-07-05 09:55:02,060 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 09:55:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2021-07-05 09:55:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 09:55:02,061 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:02,061 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 09:55:02,061 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-07-05 09:55:02,061 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:02,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:02,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-07-05 09:55:02,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:02,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853339136] [2021-07-05 09:55:02,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:02,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:02,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:02,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:02,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:02,103 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 09:55:02,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:02,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853339136] [2021-07-05 09:55:02,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853339136] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:02,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:02,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:02,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390894725] [2021-07-05 09:55:02,107 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:02,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:02,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:02,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:02,109 INFO L87 Difference]: Start difference. First operand 36 states and 49 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 09:55:02,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:02,111 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2021-07-05 09:55:02,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:02,112 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 09:55:02,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:02,112 INFO L225 Difference]: With dead ends: 36 [2021-07-05 09:55:02,112 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:02,112 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 09:55:02,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:02,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:02,113 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 09:55:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:02,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-07-05 09:55:02,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:02,113 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:02,113 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 09:55:02,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:02,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:02,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:02,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,142 INFO L762 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-07-05 09:55:02,142 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,142 INFO L762 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-07-05 09:55:02,142 INFO L762 garLoopResultBuilder]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-07-05 09:55:02,142 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:02,143 INFO L762 garLoopResultBuilder]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:02,143 INFO L765 garLoopResultBuilder]: At program point L185(lines 166 188) the Hoare annotation is: true [2021-07-05 09:55:02,143 INFO L758 garLoopResultBuilder]: At program point L152(lines 148 154) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,143 INFO L762 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-07-05 09:55:02,143 INFO L762 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:55:02,143 INFO L758 garLoopResultBuilder]: At program point L334-1(lines 334 340) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,143 INFO L758 garLoopResultBuilder]: At program point L204(lines 203 222) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,143 INFO L762 garLoopResultBuilder]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:02,144 INFO L758 garLoopResultBuilder]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2021-07-05 09:55:02,144 INFO L762 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-07-05 09:55:02,144 INFO L765 garLoopResultBuilder]: At program point L204-3(lines 203 222) the Hoare annotation is: true [2021-07-05 09:55:02,144 INFO L762 garLoopResultBuilder]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:02,144 INFO L762 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-07-05 09:55:02,144 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:02,144 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,144 INFO L758 garLoopResultBuilder]: At program point L76(lines 1 840) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,145 INFO L762 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-07-05 09:55:02,145 INFO L758 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,145 INFO L762 garLoopResultBuilder]: For program point L176(lines 176 183) no Hoare annotation was computed. [2021-07-05 09:55:02,145 INFO L765 garLoopResultBuilder]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2021-07-05 09:55:02,145 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:02,145 INFO L762 garLoopResultBuilder]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:02,145 INFO L758 garLoopResultBuilder]: At program point L458-1(lines 1 840) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,146 INFO L762 garLoopResultBuilder]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:02,146 INFO L765 garLoopResultBuilder]: At program point L458-3(lines 1 840) the Hoare annotation is: true [2021-07-05 09:55:02,146 INFO L762 garLoopResultBuilder]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:02,146 INFO L765 garLoopResultBuilder]: At program point L458-5(lines 1 840) the Hoare annotation is: true [2021-07-05 09:55:02,147 INFO L762 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:02,147 INFO L762 garLoopResultBuilder]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:02,147 INFO L758 garLoopResultBuilder]: At program point L211(lines 211 217) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,147 INFO L758 garLoopResultBuilder]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2021-07-05 09:55:02,148 INFO L762 garLoopResultBuilder]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:02,148 INFO L765 garLoopResultBuilder]: At program point L211-2(lines 211 217) the Hoare annotation is: true [2021-07-05 09:55:02,148 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,148 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,148 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,148 INFO L758 garLoopResultBuilder]: At program point L360(lines 313 361) the Hoare annotation is: false [2021-07-05 09:55:02,148 INFO L762 garLoopResultBuilder]: For program point L344(lines 344 355) no Hoare annotation was computed. [2021-07-05 09:55:02,148 INFO L758 garLoopResultBuilder]: At program point L263(lines 258 266) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,148 INFO L758 garLoopResultBuilder]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2021-07-05 09:55:02,149 INFO L765 garLoopResultBuilder]: At program point L263-2(lines 258 266) the Hoare annotation is: true [2021-07-05 09:55:02,149 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:02,149 INFO L758 garLoopResultBuilder]: At program point L445(lines 440 448) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,149 INFO L758 garLoopResultBuilder]: At program point L445-1(lines 440 448) the Hoare annotation is: false [2021-07-05 09:55:02,149 INFO L765 garLoopResultBuilder]: At program point L445-2(lines 440 448) the Hoare annotation is: true [2021-07-05 09:55:02,151 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,151 INFO L762 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:02,151 INFO L762 garLoopResultBuilder]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:02,151 INFO L762 garLoopResultBuilder]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:02,151 INFO L762 garLoopResultBuilder]: For program point L315(lines 314 359) no Hoare annotation was computed. [2021-07-05 09:55:02,151 INFO L758 garLoopResultBuilder]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,151 INFO L765 garLoopResultBuilder]: At program point L101-2(lines 101 115) the Hoare annotation is: true [2021-07-05 09:55:02,152 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-07-05 09:55:02,152 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:02,153 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:55:02,155 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:02,155 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 09:55:02,155 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:02,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:55:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:55:02,158 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:02,158 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 09:55:02,158 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:02,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:02,158 INFO L82 PathProgramCache]: Analyzing trace with hash 488510146, now seen corresponding path program 1 times [2021-07-05 09:55:02,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:02,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674138694] [2021-07-05 09:55:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:02,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:02,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:02,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:02,195 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 09:55:02,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:02,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674138694] [2021-07-05 09:55:02,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674138694] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:02,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:02,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:02,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163968361] [2021-07-05 09:55:02,196 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:55:02,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:02,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:55:02,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:02,197 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 09:55:02,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:02,198 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-07-05 09:55:02,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:55:02,199 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 09:55:02,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:02,199 INFO L225 Difference]: With dead ends: 108 [2021-07-05 09:55:02,199 INFO L226 Difference]: Without dead ends: 49 [2021-07-05 09:55:02,199 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 09:55:02,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-07-05 09:55:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-07-05 09:55:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 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 09:55:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2021-07-05 09:55:02,202 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 68 transitions. Word has length 25 [2021-07-05 09:55:02,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:02,202 INFO L442 AbstractCegarLoop]: Abstraction has 49 states and 68 transitions. [2021-07-05 09:55:02,203 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 09:55:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2021-07-05 09:55:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 09:55:02,203 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:02,203 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 09:55:02,204 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-07-05 09:55:02,204 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:02,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:02,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1617619227, now seen corresponding path program 1 times [2021-07-05 09:55:02,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:02,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580250334] [2021-07-05 09:55:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:02,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:02,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:02,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:02,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:02,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:02,233 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 09:55:02,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:02,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580250334] [2021-07-05 09:55:02,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580250334] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:02,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:02,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:02,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178119025] [2021-07-05 09:55:02,234 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:02,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:02,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:02,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:02,235 INFO L87 Difference]: Start difference. First operand 49 states and 68 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 09:55:02,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:02,237 INFO L93 Difference]: Finished difference Result 49 states and 68 transitions. [2021-07-05 09:55:02,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:02,237 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 09:55:02,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:02,238 INFO L225 Difference]: With dead ends: 49 [2021-07-05 09:55:02,238 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:02,238 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 09:55:02,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:02,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:02,238 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 09:55:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:02,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-07-05 09:55:02,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:02,239 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:02,239 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 09:55:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:02,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:02,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:02,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:02,273 INFO L762 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-07-05 09:55:02,274 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,274 INFO L762 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-07-05 09:55:02,274 INFO L762 garLoopResultBuilder]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-07-05 09:55:02,274 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:02,275 INFO L762 garLoopResultBuilder]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:02,275 INFO L765 garLoopResultBuilder]: At program point L185(lines 166 188) the Hoare annotation is: true [2021-07-05 09:55:02,276 INFO L758 garLoopResultBuilder]: At program point L152(lines 148 154) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,276 INFO L762 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-07-05 09:55:02,276 INFO L762 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:55:02,276 INFO L758 garLoopResultBuilder]: At program point L334-1(lines 334 340) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,276 INFO L758 garLoopResultBuilder]: At program point L204(lines 203 222) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,276 INFO L762 garLoopResultBuilder]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:02,277 INFO L758 garLoopResultBuilder]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2021-07-05 09:55:02,277 INFO L762 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-07-05 09:55:02,277 INFO L758 garLoopResultBuilder]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2021-07-05 09:55:02,277 INFO L762 garLoopResultBuilder]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2021-07-05 09:55:02,277 INFO L762 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-07-05 09:55:02,277 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:02,278 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,278 INFO L758 garLoopResultBuilder]: At program point L76(lines 1 840) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,278 INFO L762 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-07-05 09:55:02,278 INFO L758 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,278 INFO L762 garLoopResultBuilder]: For program point L176(lines 176 183) no Hoare annotation was computed. [2021-07-05 09:55:02,278 INFO L765 garLoopResultBuilder]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2021-07-05 09:55:02,278 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:02,279 INFO L762 garLoopResultBuilder]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:02,279 INFO L758 garLoopResultBuilder]: At program point L458-1(lines 1 840) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,279 INFO L762 garLoopResultBuilder]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:02,279 INFO L758 garLoopResultBuilder]: At program point L458-3(lines 1 840) the Hoare annotation is: false [2021-07-05 09:55:02,279 INFO L762 garLoopResultBuilder]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-07-05 09:55:02,279 INFO L758 garLoopResultBuilder]: At program point L458-5(lines 1 840) the Hoare annotation is: false [2021-07-05 09:55:02,279 INFO L762 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:02,279 INFO L762 garLoopResultBuilder]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:02,280 INFO L758 garLoopResultBuilder]: At program point L211(lines 211 217) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,280 INFO L758 garLoopResultBuilder]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2021-07-05 09:55:02,280 INFO L762 garLoopResultBuilder]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2021-07-05 09:55:02,280 INFO L758 garLoopResultBuilder]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2021-07-05 09:55:02,280 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,280 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,280 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,281 INFO L758 garLoopResultBuilder]: At program point L360(lines 313 361) the Hoare annotation is: false [2021-07-05 09:55:02,281 INFO L762 garLoopResultBuilder]: For program point L344(lines 344 355) no Hoare annotation was computed. [2021-07-05 09:55:02,281 INFO L758 garLoopResultBuilder]: At program point L263(lines 258 266) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,282 INFO L758 garLoopResultBuilder]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2021-07-05 09:55:02,282 INFO L758 garLoopResultBuilder]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2021-07-05 09:55:02,282 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:02,282 INFO L758 garLoopResultBuilder]: At program point L445(lines 440 448) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,283 INFO L758 garLoopResultBuilder]: At program point L445-1(lines 440 448) the Hoare annotation is: false [2021-07-05 09:55:02,283 INFO L758 garLoopResultBuilder]: At program point L445-2(lines 440 448) the Hoare annotation is: false [2021-07-05 09:55:02,283 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:55:02,283 INFO L762 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:02,283 INFO L762 garLoopResultBuilder]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:02,283 INFO L762 garLoopResultBuilder]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-07-05 09:55:02,283 INFO L762 garLoopResultBuilder]: For program point L315(lines 314 359) no Hoare annotation was computed. [2021-07-05 09:55:02,283 INFO L758 garLoopResultBuilder]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0)) [2021-07-05 09:55:02,284 INFO L758 garLoopResultBuilder]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2021-07-05 09:55:02,284 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-07-05 09:55:02,284 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:02,284 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:55:02,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:55:02 BoogieIcfgContainer [2021-07-05 09:55:02,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:55:02,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:55:02,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:55:02,297 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:55:02,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:01" (3/4) ... [2021-07-05 09:55:02,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:55:02,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:55:02,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:55:02,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:55:02,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:55:02,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:55:02,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:55:02,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:55:02,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && \result == 0) && pumpRunning == 0 [2021-07-05 09:55:02,368 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:55:02,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:55:02,369 INFO L168 Benchmark]: Toolchain (without parser) took 2416.72 ms. Allocated memory was 50.3 MB in the beginning and 79.7 MB in the end (delta: 29.4 MB). Free memory was 26.6 MB in the beginning and 39.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:02,370 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 32.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:55:02,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.42 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.5 MB in the beginning and 41.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:02,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.57 ms. Allocated memory is still 65.0 MB. Free memory was 41.4 MB in the beginning and 38.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:02,371 INFO L168 Benchmark]: Boogie Preprocessor took 45.71 ms. Allocated memory is still 65.0 MB. Free memory was 38.7 MB in the beginning and 36.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:02,371 INFO L168 Benchmark]: RCFGBuilder took 575.31 ms. Allocated memory is still 65.0 MB. Free memory was 36.7 MB in the beginning and 37.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:02,372 INFO L168 Benchmark]: TraceAbstraction took 1259.02 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 37.6 MB in the beginning and 43.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:02,372 INFO L168 Benchmark]: Witness Printer took 71.43 ms. Allocated memory is still 79.7 MB. Free memory was 43.8 MB in the beginning and 39.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:02,373 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 50.3 MB. Free memory was 32.5 MB in the beginning and 32.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.42 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.5 MB in the beginning and 41.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.57 ms. Allocated memory is still 65.0 MB. Free memory was 41.4 MB in the beginning and 38.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.71 ms. Allocated memory is still 65.0 MB. Free memory was 38.7 MB in the beginning and 36.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 575.31 ms. Allocated memory is still 65.0 MB. Free memory was 36.7 MB in the beginning and 37.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1259.02 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 37.6 MB in the beginning and 43.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Witness Printer took 71.43 ms. Allocated memory is still 79.7 MB. Free memory was 43.8 MB in the beginning and 39.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 915.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 6.9ms, AutomataDifference: 370.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 93.7ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 140 SDtfs, 416 SDslu, 459 SDs, 0 SdLazy, 163 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 133.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 133.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=1, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 18.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 121 NumberOfFragments, 72 HoareAnnotationTreeSize, 24 FomulaSimplifications, 728 FormulaSimplificationTreeSizeReduction, 61.9ms HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 25.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 9.9ms SsaConstructionTime, 119.3ms SatisfiabilityAnalysisTime, 174.4ms InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 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.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 148.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.3ms, AutomataDifference: 18.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 28.0ms, InitialAbstractionConstructionTime: 4.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 111 SDtfs, 28 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8ms 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=57occurred 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: 2.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 40 NumberOfFragments, 38 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 10.9ms HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 15.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.8ms SsaConstructionTime, 15.8ms SatisfiabilityAnalysisTime, 45.4ms 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 129.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.6ms, AutomataDifference: 7.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 33.7ms, InitialAbstractionConstructionTime: 1.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 111 SDtfs, 28 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8ms 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=57occurred 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, 24 LocationsWithAnnotation, 24 PreInvPairs, 33 NumberOfFragments, 38 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 12.3ms HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 20.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.7ms SsaConstructionTime, 27.8ms SatisfiabilityAnalysisTime, 29.7ms 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: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && \result == 0) && pumpRunning == 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(waterLevel == 0)) && pumpRunning == 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(waterLevel == 0)) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(waterLevel == 0)) && pumpRunning == 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-07-05 09:55:02,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...