./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product10.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_spec1_product10.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 9321d4f4887cbb50dca95fc8fc7e71e80327248f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:53:00,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:53:00,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:53:00,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:53:00,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:53:00,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:53:00,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:53:00,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:53:00,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:53:00,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:53:00,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:53:00,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:53:00,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:53:00,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:53:00,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:53:00,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:53:00,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:53:00,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:53:00,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:53:00,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:53:00,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:53:00,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:53:00,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:53:00,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:53:00,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:53:00,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:53:00,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:53:00,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:53:00,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:53:00,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:53:00,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:53:00,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:53:00,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:53:00,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:53:00,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:53:00,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:53:00,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:53:00,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:53:00,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:53:00,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:53:00,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:53:00,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:53:00,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:53:00,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:53:00,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:53:00,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:53:00,971 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:53:00,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:53:00,972 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:53:00,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:53:00,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:53:00,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:53:00,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:53:00,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:53:00,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:53:00,973 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:53:00,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:53:00,973 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:53:00,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:53:00,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:53:00,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:53:00,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:53:00,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:53:00,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:53:00,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:53:00,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:53:00,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:53:00,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:53:00,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:53:00,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:53:00,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9321d4f4887cbb50dca95fc8fc7e71e80327248f [2021-07-05 09:53:01,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:53:01,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:53:01,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:53:01,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:53:01,261 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:53:01,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-07-05 09:53:01,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac4c1f7b/768d95ecd4cb4b84ac996d14a17dd31c/FLAG91baa51e3 [2021-07-05 09:53:01,689 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:53:01,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-07-05 09:53:01,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac4c1f7b/768d95ecd4cb4b84ac996d14a17dd31c/FLAG91baa51e3 [2021-07-05 09:53:02,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac4c1f7b/768d95ecd4cb4b84ac996d14a17dd31c [2021-07-05 09:53:02,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:53:02,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:53:02,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:53:02,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:53:02,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:53:02,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3425de58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02, skipping insertion in model container [2021-07-05 09:53:02,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:53:02,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:53:02,201 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_spec1_product10.cil.c[1281,1294] [2021-07-05 09:53:02,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:53:02,347 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:53:02,361 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_spec1_product10.cil.c[1281,1294] [2021-07-05 09:53:02,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:53:02,438 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:53:02,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02 WrapperNode [2021-07-05 09:53:02,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:53:02,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:53:02,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:53:02,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:53:02,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:53:02,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:53:02,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:53:02,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:53:02,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:53:02,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:53:02,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:53:02,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:53:02,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (1/1) ... [2021-07-05 09:53:02,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:53:02,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:53:02,566 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 09:53:02,570 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 09:53:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:53:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:53:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:53:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:53:03,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:53:03,088 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-07-05 09:53:03,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:03 BoogieIcfgContainer [2021-07-05 09:53:03,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:53:03,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:53:03,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:53:03,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:53:03,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:53:02" (1/3) ... [2021-07-05 09:53:03,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2bb9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:53:03, skipping insertion in model container [2021-07-05 09:53:03,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:02" (2/3) ... [2021-07-05 09:53:03,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2bb9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:53:03, skipping insertion in model container [2021-07-05 09:53:03,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:03" (3/3) ... [2021-07-05 09:53:03,094 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2021-07-05 09:53:03,098 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:53:03,099 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:53:03,125 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:03,129 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 09:53:03,130 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 09:53:03,142 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:03,143 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:03,143 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:03,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:03,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-07-05 09:53:03,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:03,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525170712] [2021-07-05 09:53:03,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:03,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:03,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:03,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:03,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:03,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:03,405 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 09:53:03,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:03,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525170712] [2021-07-05 09:53:03,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525170712] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:03,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:03,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:53:03,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141428926] [2021-07-05 09:53:03,420 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:03,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:03,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:03,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:03,430 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:03,530 INFO L93 Difference]: Finished difference Result 218 states and 338 transitions. [2021-07-05 09:53:03,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-05 09:53:03,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-07-05 09:53:03,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:03,537 INFO L225 Difference]: With dead ends: 218 [2021-07-05 09:53:03,537 INFO L226 Difference]: Without dead ends: 88 [2021-07-05 09:53:03,540 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 36.8ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-07-05 09:53:03,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-07-05 09:53:03,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-07-05 09:53:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 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 09:53:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-07-05 09:53:03,571 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-07-05 09:53:03,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:03,571 INFO L442 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-07-05 09:53:03,572 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,572 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-07-05 09:53:03,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-07-05 09:53:03,572 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:03,573 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:03,573 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:53:03,573 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:03,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:03,575 INFO L82 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2021-07-05 09:53:03,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:03,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027130804] [2021-07-05 09:53:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:03,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:03,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:03,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:03,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:03,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:03,658 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 09:53:03,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:03,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027130804] [2021-07-05 09:53:03,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027130804] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:03,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:03,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:53:03,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060871818] [2021-07-05 09:53:03,660 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:03,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:03,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:03,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:03,661 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:03,710 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-07-05 09:53:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:53:03,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-07-05 09:53:03,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:03,712 INFO L225 Difference]: With dead ends: 130 [2021-07-05 09:53:03,712 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:03,716 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:53:03,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:03,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:03,716 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 09:53:03,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:03,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-07-05 09:53:03,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:03,717 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:03,717 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:03,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:03,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:03,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,820 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,821 INFO L762 garLoopResultBuilder]: For program point L151(lines 150 197) no Hoare annotation was computed. [2021-07-05 09:53:03,821 INFO L758 garLoopResultBuilder]: At program point L267(lines 263 269) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,821 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:03,821 INFO L762 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-07-05 09:53:03,821 INFO L765 garLoopResultBuilder]: At program point L218-2(lines 218 232) the Hoare annotation is: true [2021-07-05 09:53:03,821 INFO L762 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2021-07-05 09:53:03,821 INFO L762 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-07-05 09:53:03,821 INFO L765 garLoopResultBuilder]: At program point L302(lines 283 305) the Hoare annotation is: true [2021-07-05 09:53:03,822 INFO L762 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:03,822 INFO L758 garLoopResultBuilder]: At program point L170-1(lines 170 176) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:03,822 INFO L762 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-07-05 09:53:03,822 INFO L758 garLoopResultBuilder]: At program point L188-2(lines 684 690) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:03,822 INFO L758 garLoopResultBuilder]: At program point L684(lines 683 702) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:03,822 INFO L762 garLoopResultBuilder]: For program point L684-1(lines 684 690) no Hoare annotation was computed. [2021-07-05 09:53:03,823 INFO L765 garLoopResultBuilder]: At program point L684-2(lines 683 702) the Hoare annotation is: true [2021-07-05 09:53:03,823 INFO L765 garLoopResultBuilder]: At program point L684-3(lines 683 702) the Hoare annotation is: true [2021-07-05 09:53:03,823 INFO L758 garLoopResultBuilder]: At program point L866(lines 861 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,823 INFO L762 garLoopResultBuilder]: For program point L222(lines 222 226) no Hoare annotation was computed. [2021-07-05 09:53:03,823 INFO L762 garLoopResultBuilder]: For program point L222-1(lines 684 690) no Hoare annotation was computed. [2021-07-05 09:53:03,823 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:03,824 INFO L762 garLoopResultBuilder]: For program point L818(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:03,824 INFO L758 garLoopResultBuilder]: At program point L818-1(lines 1 869) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:03,824 INFO L762 garLoopResultBuilder]: For program point L818-2(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:03,824 INFO L765 garLoopResultBuilder]: At program point L818-3(lines 1 869) the Hoare annotation is: true [2021-07-05 09:53:03,824 INFO L762 garLoopResultBuilder]: For program point L818-4(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:03,824 INFO L765 garLoopResultBuilder]: At program point L818-5(lines 1 869) the Hoare annotation is: true [2021-07-05 09:53:03,824 INFO L762 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-07-05 09:53:03,824 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,825 INFO L762 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-07-05 09:53:03,825 INFO L758 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:03,825 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:03,825 INFO L762 garLoopResultBuilder]: For program point L293(lines 293 300) no Hoare annotation was computed. [2021-07-05 09:53:03,825 INFO L765 garLoopResultBuilder]: At program point L293-1(lines 293 300) the Hoare annotation is: true [2021-07-05 09:53:03,825 INFO L762 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:03,826 INFO L762 garLoopResultBuilder]: For program point L822-2(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:03,826 INFO L762 garLoopResultBuilder]: For program point L822-4(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:03,826 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,826 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,826 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,826 INFO L762 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:03,827 INFO L762 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:03,827 INFO L762 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:03,827 INFO L758 garLoopResultBuilder]: At program point L691(lines 691 697) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:03,827 INFO L765 garLoopResultBuilder]: At program point L691-1(lines 691 697) the Hoare annotation is: true [2021-07-05 09:53:03,827 INFO L765 garLoopResultBuilder]: At program point L691-2(lines 691 697) the Hoare annotation is: true [2021-07-05 09:53:03,828 INFO L762 garLoopResultBuilder]: For program point L180(lines 180 193) no Hoare annotation was computed. [2021-07-05 09:53:03,828 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:03,828 INFO L758 garLoopResultBuilder]: At program point L858(lines 1 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,828 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,828 INFO L765 garLoopResultBuilder]: At program point L198(lines 149 199) the Hoare annotation is: true [2021-07-05 09:53:03,828 INFO L758 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:03,828 INFO L765 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: true [2021-07-05 09:53:03,828 INFO L765 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: true [2021-07-05 09:53:03,829 INFO L758 garLoopResultBuilder]: At program point L761(lines 756 764) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,829 INFO L765 garLoopResultBuilder]: At program point L761-1(lines 756 764) the Hoare annotation is: true [2021-07-05 09:53:03,829 INFO L765 garLoopResultBuilder]: At program point L761-2(lines 756 764) the Hoare annotation is: true [2021-07-05 09:53:03,829 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:53:03,829 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:03,832 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:53:03,840 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:03,845 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 09:53:03,845 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 09:53:03,848 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:03,848 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:03,849 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:03,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-07-05 09:53:03,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:03,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571194036] [2021-07-05 09:53:03,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:03,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:03,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:03,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:03,869 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 09:53:03,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:03,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571194036] [2021-07-05 09:53:03,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571194036] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:03,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:03,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:03,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162466968] [2021-07-05 09:53:03,870 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:53:03,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:03,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:53:03,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:03,870 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:03,873 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-07-05 09:53:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:53:03,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-07-05 09:53:03,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:03,873 INFO L225 Difference]: With dead ends: 108 [2021-07-05 09:53:03,873 INFO L226 Difference]: Without dead ends: 36 [2021-07-05 09:53:03,873 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 09:53:03,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-07-05 09:53:03,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-07-05 09:53:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.4) internal successors, (49), 35 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2021-07-05 09:53:03,875 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 16 [2021-07-05 09:53:03,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:03,876 INFO L442 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2021-07-05 09:53:03,876 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,876 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2021-07-05 09:53:03,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 09:53:03,876 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:03,876 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:03,876 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-07-05 09:53:03,876 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:03,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:03,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-07-05 09:53:03,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:03,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127178895] [2021-07-05 09:53:03,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:03,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:03,920 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 09:53:03,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:03,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127178895] [2021-07-05 09:53:03,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127178895] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:03,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:03,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:53:03,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823715423] [2021-07-05 09:53:03,921 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:03,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:03,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:03,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:03,922 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:03,926 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2021-07-05 09:53:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:03,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-07-05 09:53:03,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:03,927 INFO L225 Difference]: With dead ends: 36 [2021-07-05 09:53:03,927 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:03,927 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:03,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:03,927 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 09:53:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:03,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-07-05 09:53:03,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:03,927 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:03,927 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:03,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:03,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:03,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:03,953 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,953 INFO L762 garLoopResultBuilder]: For program point L151(lines 150 197) no Hoare annotation was computed. [2021-07-05 09:53:03,953 INFO L758 garLoopResultBuilder]: At program point L267(lines 263 269) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L765 garLoopResultBuilder]: At program point L218-2(lines 218 232) the Hoare annotation is: true [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L765 garLoopResultBuilder]: At program point L302(lines 283 305) the Hoare annotation is: true [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L758 garLoopResultBuilder]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L758 garLoopResultBuilder]: At program point L188-2(lines 684 690) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,954 INFO L758 garLoopResultBuilder]: At program point L684(lines 683 702) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L684-1(lines 684 690) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L758 garLoopResultBuilder]: At program point L684-2(lines 683 702) the Hoare annotation is: false [2021-07-05 09:53:03,954 INFO L765 garLoopResultBuilder]: At program point L684-3(lines 683 702) the Hoare annotation is: true [2021-07-05 09:53:03,954 INFO L758 garLoopResultBuilder]: At program point L866(lines 861 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L222(lines 222 226) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L222-1(lines 684 690) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L762 garLoopResultBuilder]: For program point L818(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:03,954 INFO L758 garLoopResultBuilder]: At program point L818-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L818-2(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L765 garLoopResultBuilder]: At program point L818-3(lines 1 869) the Hoare annotation is: true [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L818-4(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L765 garLoopResultBuilder]: At program point L818-5(lines 1 869) the Hoare annotation is: true [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L758 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L293(lines 293 300) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L765 garLoopResultBuilder]: At program point L293-1(lines 293 300) the Hoare annotation is: true [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L822-2(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L822-4(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L762 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:03,955 INFO L758 garLoopResultBuilder]: At program point L691(lines 691 697) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,956 INFO L758 garLoopResultBuilder]: At program point L691-1(lines 691 697) the Hoare annotation is: false [2021-07-05 09:53:03,956 INFO L765 garLoopResultBuilder]: At program point L691-2(lines 691 697) the Hoare annotation is: true [2021-07-05 09:53:03,956 INFO L762 garLoopResultBuilder]: For program point L180(lines 180 193) no Hoare annotation was computed. [2021-07-05 09:53:03,956 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:03,956 INFO L758 garLoopResultBuilder]: At program point L858(lines 1 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,956 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:03,956 INFO L758 garLoopResultBuilder]: At program point L198(lines 149 199) the Hoare annotation is: false [2021-07-05 09:53:03,956 INFO L758 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,956 INFO L758 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-07-05 09:53:03,956 INFO L765 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: true [2021-07-05 09:53:03,956 INFO L758 garLoopResultBuilder]: At program point L761(lines 756 764) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:03,956 INFO L758 garLoopResultBuilder]: At program point L761-1(lines 756 764) the Hoare annotation is: false [2021-07-05 09:53:03,956 INFO L765 garLoopResultBuilder]: At program point L761-2(lines 756 764) the Hoare annotation is: true [2021-07-05 09:53:03,956 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-07-05 09:53:03,956 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:03,956 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:53:03,957 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:03,958 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 09:53:03,958 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:53:03,959 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:03,959 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 09:53:03,959 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:03,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:03,959 INFO L82 PathProgramCache]: Analyzing trace with hash -813607517, now seen corresponding path program 1 times [2021-07-05 09:53:03,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:03,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072508367] [2021-07-05 09:53:03,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:03,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:03,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:03,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:03,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:03,988 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 09:53:03,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:03,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072508367] [2021-07-05 09:53:03,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072508367] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:03,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:03,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:03,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523874602] [2021-07-05 09:53:03,990 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:53:03,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:03,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:53:03,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:03,993 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:03,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:03,996 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-07-05 09:53:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:53:03,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-07-05 09:53:03,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:03,997 INFO L225 Difference]: With dead ends: 108 [2021-07-05 09:53:03,997 INFO L226 Difference]: Without dead ends: 49 [2021-07-05 09:53:03,999 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 09:53:03,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-07-05 09:53:04,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-07-05 09:53:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 48 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2021-07-05 09:53:04,008 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 68 transitions. Word has length 25 [2021-07-05 09:53:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:04,008 INFO L442 AbstractCegarLoop]: Abstraction has 49 states and 68 transitions. [2021-07-05 09:53:04,008 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2021-07-05 09:53:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 09:53:04,013 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:04,013 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 09:53:04,013 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-07-05 09:53:04,013 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:04,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:04,013 INFO L82 PathProgramCache]: Analyzing trace with hash -2075265019, now seen corresponding path program 1 times [2021-07-05 09:53:04,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:04,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677955563] [2021-07-05 09:53:04,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:04,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:04,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:04,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:04,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:04,050 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 09:53:04,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:04,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677955563] [2021-07-05 09:53:04,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677955563] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:04,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:04,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:53:04,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066696138] [2021-07-05 09:53:04,051 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:04,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:04,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:04,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:04,051 INFO L87 Difference]: Start difference. First operand 49 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:04,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:04,055 INFO L93 Difference]: Finished difference Result 49 states and 68 transitions. [2021-07-05 09:53:04,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:04,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-07-05 09:53:04,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:04,055 INFO L225 Difference]: With dead ends: 49 [2021-07-05 09:53:04,055 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:04,056 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 09:53:04,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:04,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:04,062 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 09:53:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:04,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-07-05 09:53:04,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:04,063 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:04,063 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:04,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:04,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:04,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:04,100 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L762 garLoopResultBuilder]: For program point L151(lines 150 197) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L758 garLoopResultBuilder]: At program point L267(lines 263 269) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,101 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L762 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L758 garLoopResultBuilder]: At program point L218-2(lines 218 232) the Hoare annotation is: false [2021-07-05 09:53:04,101 INFO L762 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L762 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L765 garLoopResultBuilder]: At program point L302(lines 283 305) the Hoare annotation is: true [2021-07-05 09:53:04,101 INFO L762 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L758 garLoopResultBuilder]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,101 INFO L762 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L758 garLoopResultBuilder]: At program point L188-2(lines 684 690) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,101 INFO L758 garLoopResultBuilder]: At program point L684(lines 683 702) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,101 INFO L762 garLoopResultBuilder]: For program point L684-1(lines 684 690) no Hoare annotation was computed. [2021-07-05 09:53:04,101 INFO L758 garLoopResultBuilder]: At program point L684-2(lines 683 702) the Hoare annotation is: false [2021-07-05 09:53:04,102 INFO L758 garLoopResultBuilder]: At program point L684-3(lines 683 702) the Hoare annotation is: false [2021-07-05 09:53:04,102 INFO L758 garLoopResultBuilder]: At program point L866(lines 861 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point L222(lines 222 226) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point L222-1(lines 684 690) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point L818(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L758 garLoopResultBuilder]: At program point L818-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point L818-2(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L758 garLoopResultBuilder]: At program point L818-3(lines 1 869) the Hoare annotation is: false [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point L818-4(lines 818 831) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L758 garLoopResultBuilder]: At program point L818-5(lines 1 869) the Hoare annotation is: false [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L758 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:04,102 INFO L762 garLoopResultBuilder]: For program point L293(lines 293 300) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L765 garLoopResultBuilder]: At program point L293-1(lines 293 300) the Hoare annotation is: true [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L822-2(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L822-4(lines 822 828) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L762 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-07-05 09:53:04,103 INFO L758 garLoopResultBuilder]: At program point L691(lines 691 697) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,103 INFO L758 garLoopResultBuilder]: At program point L691-1(lines 691 697) the Hoare annotation is: false [2021-07-05 09:53:04,103 INFO L758 garLoopResultBuilder]: At program point L691-2(lines 691 697) the Hoare annotation is: false [2021-07-05 09:53:04,104 INFO L762 garLoopResultBuilder]: For program point L180(lines 180 193) no Hoare annotation was computed. [2021-07-05 09:53:04,104 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:04,104 INFO L758 garLoopResultBuilder]: At program point L858(lines 1 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,104 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-07-05 09:53:04,104 INFO L758 garLoopResultBuilder]: At program point L198(lines 149 199) the Hoare annotation is: false [2021-07-05 09:53:04,104 INFO L758 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,105 INFO L758 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-07-05 09:53:04,105 INFO L758 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-07-05 09:53:04,105 INFO L758 garLoopResultBuilder]: At program point L761(lines 756 764) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:04,105 INFO L758 garLoopResultBuilder]: At program point L761-1(lines 756 764) the Hoare annotation is: false [2021-07-05 09:53:04,105 INFO L758 garLoopResultBuilder]: At program point L761-2(lines 756 764) the Hoare annotation is: false [2021-07-05 09:53:04,105 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-07-05 09:53:04,105 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:04,106 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:53:04,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:53:04 BoogieIcfgContainer [2021-07-05 09:53:04,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:53:04,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:53:04,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:53:04,120 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:53:04,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:03" (3/4) ... [2021-07-05 09:53:04,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:53:04,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:53:04,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:53:04,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:53:04,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:53:04,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:53:04,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:53:04,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:53:04,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && \result == 0) && pumpRunning == 0 [2021-07-05 09:53:04,163 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:53:04,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:53:04,163 INFO L168 Benchmark]: Toolchain (without parser) took 2100.34 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 36.4 MB in the beginning and 48.4 MB in the end (delta: -12.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:04,164 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:53:04,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.02 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 46.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:04,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.29 ms. Allocated memory is still 71.3 MB. Free memory was 46.3 MB in the beginning and 43.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:04,164 INFO L168 Benchmark]: Boogie Preprocessor took 42.00 ms. Allocated memory is still 71.3 MB. Free memory was 43.8 MB in the beginning and 41.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:04,164 INFO L168 Benchmark]: RCFGBuilder took 541.54 ms. Allocated memory is still 71.3 MB. Free memory was 41.9 MB in the beginning and 50.5 MB in the end (delta: -8.6 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:04,164 INFO L168 Benchmark]: TraceAbstraction took 1028.58 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 50.1 MB in the beginning and 54.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:04,165 INFO L168 Benchmark]: Witness Printer took 43.37 ms. Allocated memory is still 86.0 MB. Free memory was 54.0 MB in the beginning and 48.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:04,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.02 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 46.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.29 ms. Allocated memory is still 71.3 MB. Free memory was 46.3 MB in the beginning and 43.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.00 ms. Allocated memory is still 71.3 MB. Free memory was 43.8 MB in the beginning and 41.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 541.54 ms. Allocated memory is still 71.3 MB. Free memory was 41.9 MB in the beginning and 50.5 MB in the end (delta: -8.6 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1028.58 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 50.1 MB in the beginning and 54.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Witness Printer took 43.37 ms. Allocated memory is still 86.0 MB. Free memory was 54.0 MB in the beginning and 48.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 708.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.3ms, AutomataDifference: 173.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 99.6ms, InitialAbstractionConstructionTime: 6.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 149 SDtfs, 288 SDslu, 330 SDs, 0 SdLazy, 52 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 63.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 23.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 105 NumberOfFragments, 63 HoareAnnotationTreeSize, 25 FomulaSimplifications, 553 FormulaSimplificationTreeSizeReduction, 66.7ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 26.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 13.8ms SsaConstructionTime, 124.5ms SatisfiabilityAnalysisTime, 149.3ms InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 116.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.8ms, AutomataDifference: 9.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 25.3ms, InitialAbstractionConstructionTime: 1.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 111 SDtfs, 28 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 42 NumberOfFragments, 41 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 7.7ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 16.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 4.0ms SsaConstructionTime, 16.7ms SatisfiabilityAnalysisTime, 39.0ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 148.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 5.0ms, AutomataDifference: 11.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 35.2ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 111 SDtfs, 28 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 15.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 35 NumberOfFragments, 41 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 14.7ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 18.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.3ms SsaConstructionTime, 14.8ms SatisfiabilityAnalysisTime, 39.6ms InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && \result == 0) && pumpRunning == 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-07-05 09:53:04,195 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...