./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_spec2_product17.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 f109400e8916ff9eba13533e7575144e5f0c1404 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:53:54,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:53:54,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:53:54,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:53:54,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:53:54,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:53:54,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:53:54,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:53:54,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:53:54,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:53:54,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:53:54,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:53:54,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:53:54,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:53:54,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:53:54,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:53:54,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:53:54,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:53:54,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:53:54,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:53:54,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:53:54,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:53:54,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:53:54,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:53:54,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:53:54,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:53:54,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:53:54,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:53:54,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:53:54,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:53:54,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:53:54,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:53:54,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:53:54,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:53:54,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:53:54,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:53:54,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:53:54,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:53:54,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:53:54,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:53:54,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:53:54,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:53:54,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:53:54,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:53:54,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:53:54,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:53:54,891 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:53:54,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:53:54,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:53:54,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:53:54,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:53:54,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:53:54,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:53:54,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:53:54,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:53:54,893 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:53:54,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:53:54,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:53:54,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:53:54,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:53:54,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:53:54,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:53:54,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:53:54,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:53:54,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:53:54,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:53:54,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:53:54,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:53:54,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:53:54,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:53:54,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2021-07-05 09:53:55,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:53:55,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:53:55,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:53:55,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:53:55,152 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:53:55,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-07-05 09:53:55,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3344426a/849901a1d8674b5eab79cecd593ead04/FLAG4ebf7e3e1 [2021-07-05 09:53:55,584 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:53:55,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-07-05 09:53:55,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3344426a/849901a1d8674b5eab79cecd593ead04/FLAG4ebf7e3e1 [2021-07-05 09:53:55,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3344426a/849901a1d8674b5eab79cecd593ead04 [2021-07-05 09:53:55,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:53:55,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:53:55,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:53:55,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:53:55,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:53:55,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:55,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9de1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55, skipping insertion in model container [2021-07-05 09:53:55,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:55,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:53:55,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:53:55,813 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_spec2_product17.cil.c[6078,6091] [2021-07-05 09:53:55,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:53:55,894 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:53:55,928 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_spec2_product17.cil.c[6078,6091] [2021-07-05 09:53:55,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:53:55,966 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:53:55,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55 WrapperNode [2021-07-05 09:53:55,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:53:55,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:53:55,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:53:55,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:53:55,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:55,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:53:56,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:53:56,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:53:56,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:53:56,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:53:56,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:53:56,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:53:56,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:53:56,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (1/1) ... [2021-07-05 09:53:56,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:53:56,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:53:56,071 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 09:53:56,108 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 09:53:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:53:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:53:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:53:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:53:56,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:53:56,686 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-07-05 09:53:56,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:56 BoogieIcfgContainer [2021-07-05 09:53:56,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:53:56,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:53:56,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:53:56,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:53:56,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:53:55" (1/3) ... [2021-07-05 09:53:56,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250590a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:53:56, skipping insertion in model container [2021-07-05 09:53:56,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:55" (2/3) ... [2021-07-05 09:53:56,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250590a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:53:56, skipping insertion in model container [2021-07-05 09:53:56,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:56" (3/3) ... [2021-07-05 09:53:56,697 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2021-07-05 09:53:56,701 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:53:56,702 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:53:56,739 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:56,747 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 09:53:56,747 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 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 09:53:56,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 09:53:56,762 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:56,763 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:56,763 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:56,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:56,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2021-07-05 09:53:56,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:56,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428993570] [2021-07-05 09:53:56,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:56,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:56,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:56,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:56,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:56,949 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 09:53:56,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:56,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428993570] [2021-07-05 09:53:56,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428993570] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:56,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:56,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:56,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794442218] [2021-07-05 09:53:56,958 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:56,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:56,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:56,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:56,969 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:57,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:57,005 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-07-05 09:53:57,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:57,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-07-05 09:53:57,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:57,012 INFO L225 Difference]: With dead ends: 151 [2021-07-05 09:53:57,012 INFO L226 Difference]: Without dead ends: 35 [2021-07-05 09:53:57,014 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:57,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-07-05 09:53:57,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-07-05 09:53:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 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 09:53:57,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-07-05 09:53:57,043 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-07-05 09:53:57,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:57,044 INFO L442 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-07-05 09:53:57,044 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:57,044 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-07-05 09:53:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:53:57,045 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:57,045 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 09:53:57,046 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:53:57,046 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:57,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:57,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2021-07-05 09:53:57,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:57,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725779347] [2021-07-05 09:53:57,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:57,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:57,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:57,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:57,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:57,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,164 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 09:53:57,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:57,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725779347] [2021-07-05 09:53:57,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725779347] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:57,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:57,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:53:57,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241723105] [2021-07-05 09:53:57,167 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:57,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:57,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:57,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:57,170 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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 09:53:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:57,253 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-07-05 09:53:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-05 09:53:57,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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 09:53:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:57,256 INFO L225 Difference]: With dead ends: 154 [2021-07-05 09:53:57,256 INFO L226 Difference]: Without dead ends: 126 [2021-07-05 09:53:57,257 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 36.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-07-05 09:53:57,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-07-05 09:53:57,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-07-05 09:53:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 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 09:53:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-07-05 09:53:57,273 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-07-05 09:53:57,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:57,273 INFO L442 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-07-05 09:53:57,273 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 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 09:53:57,273 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-07-05 09:53:57,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 09:53:57,274 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:57,274 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 09:53:57,274 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:53:57,274 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:57,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:57,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2021-07-05 09:53:57,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:57,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994036644] [2021-07-05 09:53:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:57,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:57,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:57,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:57,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:57,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:57,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994036644] [2021-07-05 09:53:57,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994036644] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:57,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:57,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:53:57,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448219062] [2021-07-05 09:53:57,363 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:57,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:57,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:57,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:57,366 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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 09:53:57,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:57,419 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-07-05 09:53:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:53:57,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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 09:53:57,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:57,420 INFO L225 Difference]: With dead ends: 150 [2021-07-05 09:53:57,420 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:57,421 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:53:57,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:57,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:57,421 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 09:53:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:57,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-07-05 09:53:57,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:57,422 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:57,422 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 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 09:53:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:57,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:57,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:57,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,527 INFO L758 garLoopResultBuilder]: At program point L217(lines 216 235) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,527 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,527 INFO L762 garLoopResultBuilder]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,528 INFO L762 garLoopResultBuilder]: For program point L151(lines 150 195) no Hoare annotation was computed. [2021-07-05 09:53:57,528 INFO L758 garLoopResultBuilder]: At program point L217-2(lines 216 235) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,528 INFO L758 garLoopResultBuilder]: At program point L217-3(lines 216 235) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,528 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,528 INFO L762 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2021-07-05 09:53:57,528 INFO L762 garLoopResultBuilder]: For program point L796(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,529 INFO L762 garLoopResultBuilder]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,530 INFO L762 garLoopResultBuilder]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,530 INFO L762 garLoopResultBuilder]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,530 INFO L758 garLoopResultBuilder]: At program point L302(lines 297 305) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,530 INFO L758 garLoopResultBuilder]: At program point L781(lines 776 783) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,530 INFO L758 garLoopResultBuilder]: At program point L302-1(lines 297 305) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,530 INFO L758 garLoopResultBuilder]: At program point L302-2(lines 297 305) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,530 INFO L762 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:57,530 INFO L758 garLoopResultBuilder]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,530 INFO L762 garLoopResultBuilder]: For program point L897(lines 897 904) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L758 garLoopResultBuilder]: At program point L897-1(lines 897 904) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L253(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L758 garLoopResultBuilder]: At program point L387(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L404(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L404-1(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,531 INFO L762 garLoopResultBuilder]: For program point L404-2(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,534 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,534 INFO L758 garLoopResultBuilder]: At program point L224(lines 224 230) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,534 INFO L758 garLoopResultBuilder]: At program point L224-1(lines 224 230) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,534 INFO L758 garLoopResultBuilder]: At program point L224-2(lines 224 230) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,534 INFO L758 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,534 INFO L758 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,534 INFO L758 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,535 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,535 INFO L758 garLoopResultBuilder]: At program point L357(lines 342 360) the Hoare annotation is: false [2021-07-05 09:53:57,535 INFO L758 garLoopResultBuilder]: At program point L357-1(lines 342 360) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,537 INFO L758 garLoopResultBuilder]: At program point L357-2(lines 342 360) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,537 INFO L762 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-07-05 09:53:57,537 INFO L758 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,537 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,538 INFO L762 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-07-05 09:53:57,538 INFO L758 garLoopResultBuilder]: At program point L906(lines 887 909) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,538 INFO L758 garLoopResultBuilder]: At program point L873(lines 869 875) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,538 INFO L758 garLoopResultBuilder]: At program point L196(lines 149 197) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,538 INFO L762 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-07-05 09:53:57,539 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,539 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,539 INFO L762 garLoopResultBuilder]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,539 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,539 INFO L758 garLoopResultBuilder]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,539 INFO L758 garLoopResultBuilder]: At program point L825-2(lines 825 839) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,539 INFO L762 garLoopResultBuilder]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,540 INFO L758 garLoopResultBuilder]: At program point L792-3(lines 1 909) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,540 INFO L762 garLoopResultBuilder]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,540 INFO L758 garLoopResultBuilder]: At program point L792-5(lines 1 909) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,540 INFO L762 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2021-07-05 09:53:57,541 INFO L758 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-07-05 09:53:57,541 INFO L758 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,541 INFO L762 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-07-05 09:53:57,541 INFO L758 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,541 INFO L762 garLoopResultBuilder]: For program point L249(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,541 INFO L762 garLoopResultBuilder]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,541 INFO L762 garLoopResultBuilder]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,541 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 09:53:57,541 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:57,544 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:53:57,547 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:57,551 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 09:53:57,551 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:57,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 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 09:53:57,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 09:53:57,554 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:57,554 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:57,554 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:57,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:57,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2021-07-05 09:53:57,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:57,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111195359] [2021-07-05 09:53:57,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:57,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:57,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,593 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 09:53:57,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:57,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111195359] [2021-07-05 09:53:57,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111195359] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:57,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:57,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:57,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636170072] [2021-07-05 09:53:57,593 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:53:57,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:57,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:53:57,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:57,594 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:57,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:57,598 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-07-05 09:53:57,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:53:57,598 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-07-05 09:53:57,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:57,601 INFO L225 Difference]: With dead ends: 151 [2021-07-05 09:53:57,601 INFO L226 Difference]: Without dead ends: 51 [2021-07-05 09:53:57,603 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 09:53:57,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-07-05 09:53:57,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-07-05 09:53:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 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 09:53:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2021-07-05 09:53:57,608 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 18 [2021-07-05 09:53:57,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:57,608 INFO L442 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2021-07-05 09:53:57,608 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2021-07-05 09:53:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-07-05 09:53:57,608 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:57,608 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:57,608 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-07-05 09:53:57,608 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:57,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:57,609 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2021-07-05 09:53:57,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:57,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424499613] [2021-07-05 09:53:57,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:57,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,648 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 09:53:57,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:57,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424499613] [2021-07-05 09:53:57,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424499613] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:57,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:57,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:53:57,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250247421] [2021-07-05 09:53:57,648 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:57,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:57,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:57,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:57,649 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:57,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:57,651 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2021-07-05 09:53:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:57,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-07-05 09:53:57,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:57,652 INFO L225 Difference]: With dead ends: 51 [2021-07-05 09:53:57,652 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:57,652 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:57,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:57,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:57,652 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 09:53:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:57,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-07-05 09:53:57,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:57,652 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:57,652 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:57,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:57,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:57,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,682 INFO L758 garLoopResultBuilder]: At program point L217(lines 216 235) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,682 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L151(lines 150 195) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L758 garLoopResultBuilder]: At program point L217-2(lines 216 235) the Hoare annotation is: false [2021-07-05 09:53:57,683 INFO L758 garLoopResultBuilder]: At program point L217-3(lines 216 235) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L796(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L762 garLoopResultBuilder]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,683 INFO L758 garLoopResultBuilder]: At program point L302(lines 297 305) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,683 INFO L758 garLoopResultBuilder]: At program point L781(lines 776 783) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,683 INFO L758 garLoopResultBuilder]: At program point L302-1(lines 297 305) the Hoare annotation is: false [2021-07-05 09:53:57,687 INFO L758 garLoopResultBuilder]: At program point L302-2(lines 297 305) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,687 INFO L762 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:57,687 INFO L758 garLoopResultBuilder]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,688 INFO L762 garLoopResultBuilder]: For program point L897(lines 897 904) no Hoare annotation was computed. [2021-07-05 09:53:57,689 INFO L758 garLoopResultBuilder]: At program point L897-1(lines 897 904) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,689 INFO L762 garLoopResultBuilder]: For program point L253(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,689 INFO L762 garLoopResultBuilder]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,689 INFO L762 garLoopResultBuilder]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,689 INFO L762 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,689 INFO L762 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,689 INFO L762 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,689 INFO L758 garLoopResultBuilder]: At program point L387(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,690 INFO L762 garLoopResultBuilder]: For program point L404(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,690 INFO L762 garLoopResultBuilder]: For program point L404-1(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,690 INFO L762 garLoopResultBuilder]: For program point L404-2(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,690 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,690 INFO L758 garLoopResultBuilder]: At program point L224(lines 224 230) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,690 INFO L758 garLoopResultBuilder]: At program point L224-1(lines 224 230) the Hoare annotation is: false [2021-07-05 09:53:57,691 INFO L758 garLoopResultBuilder]: At program point L224-2(lines 224 230) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,691 INFO L758 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,691 INFO L758 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-07-05 09:53:57,691 INFO L758 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,692 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,692 INFO L758 garLoopResultBuilder]: At program point L357(lines 342 360) the Hoare annotation is: false [2021-07-05 09:53:57,692 INFO L758 garLoopResultBuilder]: At program point L357-1(lines 342 360) the Hoare annotation is: false [2021-07-05 09:53:57,692 INFO L758 garLoopResultBuilder]: At program point L357-2(lines 342 360) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,692 INFO L762 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-07-05 09:53:57,692 INFO L758 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,693 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,693 INFO L762 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-07-05 09:53:57,693 INFO L758 garLoopResultBuilder]: At program point L906(lines 887 909) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,693 INFO L758 garLoopResultBuilder]: At program point L873(lines 869 875) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,693 INFO L758 garLoopResultBuilder]: At program point L196(lines 149 197) the Hoare annotation is: false [2021-07-05 09:53:57,693 INFO L762 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-07-05 09:53:57,693 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,693 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,693 INFO L762 garLoopResultBuilder]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,693 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,694 INFO L758 garLoopResultBuilder]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,694 INFO L758 garLoopResultBuilder]: At program point L825-2(lines 825 839) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,694 INFO L762 garLoopResultBuilder]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,694 INFO L758 garLoopResultBuilder]: At program point L792-3(lines 1 909) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,694 INFO L762 garLoopResultBuilder]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,694 INFO L758 garLoopResultBuilder]: At program point L792-5(lines 1 909) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,694 INFO L762 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2021-07-05 09:53:57,694 INFO L758 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-07-05 09:53:57,694 INFO L758 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-07-05 09:53:57,694 INFO L762 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-07-05 09:53:57,695 INFO L758 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,695 INFO L762 garLoopResultBuilder]: For program point L249(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,695 INFO L762 garLoopResultBuilder]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,695 INFO L762 garLoopResultBuilder]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,695 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-07-05 09:53:57,695 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:57,695 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:53:57,698 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:57,698 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 09:53:57,698 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 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 09:53:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-07-05 09:53:57,703 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:57,703 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, 1] [2021-07-05 09:53:57,703 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:57,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:57,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1073330059, now seen corresponding path program 1 times [2021-07-05 09:53:57,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:57,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924772460] [2021-07-05 09:53:57,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:57,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:57,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,719 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 09:53:57,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:57,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924772460] [2021-07-05 09:53:57,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924772460] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:57,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:57,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:57,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464129490] [2021-07-05 09:53:57,720 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:53:57,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:57,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:53:57,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:57,721 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 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 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 09:53:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:57,723 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-07-05 09:53:57,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:53:57,723 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-07-05 09:53:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:57,723 INFO L225 Difference]: With dead ends: 151 [2021-07-05 09:53:57,723 INFO L226 Difference]: Without dead ends: 71 [2021-07-05 09:53:57,724 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 09:53:57,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-07-05 09:53:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-07-05 09:53:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.457142857142857) internal successors, (102), 70 states have internal predecessors, (102), 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 09:53:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 102 transitions. [2021-07-05 09:53:57,727 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 102 transitions. Word has length 27 [2021-07-05 09:53:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:57,727 INFO L442 AbstractCegarLoop]: Abstraction has 71 states and 102 transitions. [2021-07-05 09:53:57,727 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 09:53:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2021-07-05 09:53:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-05 09:53:57,728 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:57,728 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, 1, 1] [2021-07-05 09:53:57,728 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-07-05 09:53:57,728 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:57,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:57,728 INFO L82 PathProgramCache]: Analyzing trace with hash 994209706, now seen corresponding path program 1 times [2021-07-05 09:53:57,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:57,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701152921] [2021-07-05 09:53:57,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:57,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:57,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:57,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:57,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:57,754 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 09:53:57,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:57,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701152921] [2021-07-05 09:53:57,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701152921] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:57,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:57,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:53:57,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49951824] [2021-07-05 09:53:57,755 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:57,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:57,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:57,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:57,756 INFO L87 Difference]: Start difference. First operand 71 states and 102 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:57,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:57,758 INFO L93 Difference]: Finished difference Result 71 states and 102 transitions. [2021-07-05 09:53:57,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:57,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-07-05 09:53:57,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:57,759 INFO L225 Difference]: With dead ends: 71 [2021-07-05 09:53:57,759 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:57,759 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 09:53:57,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:57,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:57,759 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 09:53:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:57,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-07-05 09:53:57,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:57,760 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:57,760 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:57,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:57,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:57,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:57,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:57,795 INFO L758 garLoopResultBuilder]: At program point L217(lines 216 235) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,796 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,796 INFO L762 garLoopResultBuilder]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,796 INFO L762 garLoopResultBuilder]: For program point L151(lines 150 195) no Hoare annotation was computed. [2021-07-05 09:53:57,796 INFO L758 garLoopResultBuilder]: At program point L217-2(lines 216 235) the Hoare annotation is: false [2021-07-05 09:53:57,796 INFO L758 garLoopResultBuilder]: At program point L217-3(lines 216 235) the Hoare annotation is: false [2021-07-05 09:53:57,796 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,796 INFO L762 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2021-07-05 09:53:57,796 INFO L762 garLoopResultBuilder]: For program point L796(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,796 INFO L762 garLoopResultBuilder]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,797 INFO L762 garLoopResultBuilder]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,798 INFO L762 garLoopResultBuilder]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2021-07-05 09:53:57,798 INFO L762 garLoopResultBuilder]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2021-07-05 09:53:57,798 INFO L762 garLoopResultBuilder]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2021-07-05 09:53:57,798 INFO L758 garLoopResultBuilder]: At program point L302(lines 297 305) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,798 INFO L758 garLoopResultBuilder]: At program point L781(lines 776 783) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,798 INFO L758 garLoopResultBuilder]: At program point L302-1(lines 297 305) the Hoare annotation is: false [2021-07-05 09:53:57,798 INFO L758 garLoopResultBuilder]: At program point L302-2(lines 297 305) the Hoare annotation is: false [2021-07-05 09:53:57,798 INFO L762 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:57,798 INFO L758 garLoopResultBuilder]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,799 INFO L762 garLoopResultBuilder]: For program point L897(lines 897 904) no Hoare annotation was computed. [2021-07-05 09:53:57,799 INFO L758 garLoopResultBuilder]: At program point L897-1(lines 897 904) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,799 INFO L762 garLoopResultBuilder]: For program point L253(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,799 INFO L762 garLoopResultBuilder]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,799 INFO L762 garLoopResultBuilder]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2021-07-05 09:53:57,799 INFO L762 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,799 INFO L762 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,799 INFO L762 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:53:57,799 INFO L758 garLoopResultBuilder]: At program point L387(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,799 INFO L762 garLoopResultBuilder]: For program point L404(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,800 INFO L762 garLoopResultBuilder]: For program point L404-1(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,800 INFO L762 garLoopResultBuilder]: For program point L404-2(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,800 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,800 INFO L758 garLoopResultBuilder]: At program point L224(lines 224 230) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,800 INFO L758 garLoopResultBuilder]: At program point L224-1(lines 224 230) the Hoare annotation is: false [2021-07-05 09:53:57,800 INFO L758 garLoopResultBuilder]: At program point L224-2(lines 224 230) the Hoare annotation is: false [2021-07-05 09:53:57,800 INFO L758 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,800 INFO L758 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-07-05 09:53:57,800 INFO L758 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-07-05 09:53:57,800 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,801 INFO L758 garLoopResultBuilder]: At program point L357(lines 342 360) the Hoare annotation is: false [2021-07-05 09:53:57,801 INFO L758 garLoopResultBuilder]: At program point L357-1(lines 342 360) the Hoare annotation is: false [2021-07-05 09:53:57,801 INFO L758 garLoopResultBuilder]: At program point L357-2(lines 342 360) the Hoare annotation is: false [2021-07-05 09:53:57,801 INFO L762 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-07-05 09:53:57,801 INFO L758 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,801 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,801 INFO L762 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-07-05 09:53:57,801 INFO L758 garLoopResultBuilder]: At program point L906(lines 887 909) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:53:57,801 INFO L758 garLoopResultBuilder]: At program point L873(lines 869 875) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,802 INFO L758 garLoopResultBuilder]: At program point L196(lines 149 197) the Hoare annotation is: false [2021-07-05 09:53:57,802 INFO L762 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-07-05 09:53:57,802 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,802 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:57,802 INFO L762 garLoopResultBuilder]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,802 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-07-05 09:53:57,802 INFO L758 garLoopResultBuilder]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:57,802 INFO L758 garLoopResultBuilder]: At program point L825-2(lines 825 839) the Hoare annotation is: false [2021-07-05 09:53:57,802 INFO L762 garLoopResultBuilder]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,802 INFO L758 garLoopResultBuilder]: At program point L792-3(lines 1 909) the Hoare annotation is: false [2021-07-05 09:53:57,803 INFO L762 garLoopResultBuilder]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2021-07-05 09:53:57,803 INFO L758 garLoopResultBuilder]: At program point L792-5(lines 1 909) the Hoare annotation is: false [2021-07-05 09:53:57,803 INFO L762 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2021-07-05 09:53:57,803 INFO L758 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-07-05 09:53:57,803 INFO L758 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-07-05 09:53:57,803 INFO L762 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-07-05 09:53:57,803 INFO L758 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-07-05 09:53:57,803 INFO L762 garLoopResultBuilder]: For program point L249(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,803 INFO L762 garLoopResultBuilder]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,803 INFO L762 garLoopResultBuilder]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2021-07-05 09:53:57,804 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-07-05 09:53:57,804 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:57,804 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:53:57,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:53:57 BoogieIcfgContainer [2021-07-05 09:53:57,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:53:57,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:53:57,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:53:57,815 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:53:57,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:56" (3/4) ... [2021-07-05 09:53:57,818 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:53:57,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:53:57,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:53:57,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:53:57,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:53:57,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:53:57,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:53:57,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:53:57,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0 [2021-07-05 09:53:57,863 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:53:57,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:53:57,864 INFO L168 Benchmark]: Toolchain (without parser) took 2258.48 ms. Allocated memory was 54.5 MB in the beginning and 94.4 MB in the end (delta: 39.8 MB). Free memory was 30.5 MB in the beginning and 70.3 MB in the end (delta: -39.8 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:57,864 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 35.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:53:57,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.49 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 50.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:57,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.50 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 47.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:57,865 INFO L168 Benchmark]: Boogie Preprocessor took 40.20 ms. Allocated memory is still 77.6 MB. Free memory was 47.4 MB in the beginning and 45.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:57,865 INFO L168 Benchmark]: RCFGBuilder took 634.51 ms. Allocated memory is still 77.6 MB. Free memory was 45.3 MB in the beginning and 57.1 MB in the end (delta: -11.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:57,865 INFO L168 Benchmark]: TraceAbstraction took 1126.88 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 56.6 MB in the beginning and 36.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:57,866 INFO L168 Benchmark]: Witness Printer took 48.16 ms. Allocated memory is still 94.4 MB. Free memory was 36.5 MB in the beginning and 70.3 MB in the end (delta: -33.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:57,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 35.3 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.49 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 50.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.50 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 47.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.20 ms. Allocated memory is still 77.6 MB. Free memory was 47.4 MB in the beginning and 45.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 634.51 ms. Allocated memory is still 77.6 MB. Free memory was 45.3 MB in the beginning and 57.1 MB in the end (delta: -11.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1126.88 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 56.6 MB in the beginning and 36.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * Witness Printer took 48.16 ms. Allocated memory is still 94.4 MB. Free memory was 36.5 MB in the beginning and 70.3 MB in the end (delta: -33.8 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: 404]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 404]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 404]: 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, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 806.3ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 9.3ms, AutomataDifference: 202.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 102.3ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 227 SDtfs, 303 SDslu, 288 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 77.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, 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: 31.2ms AutomataMinimizationTime, 3 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 82 NumberOfFragments, 148 HoareAnnotationTreeSize, 31 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 36.0ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 58.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 20.4ms SsaConstructionTime, 115.8ms SatisfiabilityAnalysisTime, 183.1ms InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 148.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.4ms, AutomataDifference: 12.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 29.6ms, InitialAbstractionConstructionTime: 2.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 157 SDtfs, 39 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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: 5.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 51 NumberOfFragments, 49 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 9.5ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 18.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 6.6ms SsaConstructionTime, 18.6ms SatisfiabilityAnalysisTime, 48.2ms InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 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, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 106.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 3.2ms, AutomataDifference: 6.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 34.7ms, InitialAbstractionConstructionTime: 1.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 157 SDtfs, 39 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6ms 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=79occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 42 NumberOfFragments, 49 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 10.5ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 22.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.2ms SsaConstructionTime, 9.3ms SatisfiabilityAnalysisTime, 25.9ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 == systemActive - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 == systemActive - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-07-05 09:53:57,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...