./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_spec3_product42.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 7e359c3e690bc34b8e145f12f51e57f299b8b0bc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:44:08,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:44:08,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:44:09,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:44:09,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:44:09,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:44:09,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:44:09,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:44:09,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:44:09,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:44:09,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:44:09,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:44:09,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:44:09,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:44:09,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:44:09,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:44:09,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:44:09,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:44:09,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:44:09,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:44:09,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:44:09,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:44:09,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:44:09,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:44:09,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:44:09,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:44:09,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:44:09,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:44:09,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:44:09,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:44:09,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:44:09,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:44:09,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:44:09,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:44:09,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:44:09,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:44:09,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:44:09,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:44:09,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:44:09,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:44:09,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:44:09,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:44:09,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:44:09,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:44:09,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:44:09,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:44:09,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:44:09,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:44:09,066 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:44:09,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:44:09,067 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:44:09,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:44:09,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:44:09,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:44:09,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:44:09,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:44:09,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:44:09,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:44:09,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:44:09,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:44:09,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:44:09,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:44:09,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:44:09,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:44:09,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:09,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:44:09,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:44:09,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:44:09,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:44:09,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:44:09,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:44:09,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:44:09,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e359c3e690bc34b8e145f12f51e57f299b8b0bc [2021-08-26 08:44:09,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:44:09,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:44:09,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:44:09,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:44:09,302 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:44:09,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-08-26 08:44:09,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098a97370/92c64430fe5b4bdc81aaac2854a88340/FLAGa0e7b7436 [2021-08-26 08:44:09,756 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:44:09,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-08-26 08:44:09,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098a97370/92c64430fe5b4bdc81aaac2854a88340/FLAGa0e7b7436 [2021-08-26 08:44:10,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098a97370/92c64430fe5b4bdc81aaac2854a88340 [2021-08-26 08:44:10,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:44:10,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:44:10,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:10,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:44:10,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:44:10,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d3e7d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10, skipping insertion in model container [2021-08-26 08:44:10,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:44:10,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:44:10,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7153,7166] [2021-08-26 08:44:10,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:10,390 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:44:10,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7153,7166] [2021-08-26 08:44:10,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:10,464 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:44:10,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10 WrapperNode [2021-08-26 08:44:10,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:10,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:10,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:44:10,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:44:10,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:10,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:44:10,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:44:10,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:44:10,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:44:10,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:44:10,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:44:10,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:44:10,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (1/1) ... [2021-08-26 08:44:10,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:10,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:10,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:44:10,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:44:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:44:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:44:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:44:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:44:11,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:44:11,247 INFO L299 CfgBuilder]: Removed 122 assume(true) statements. [2021-08-26 08:44:11,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:11 BoogieIcfgContainer [2021-08-26 08:44:11,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:44:11,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:44:11,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:44:11,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:44:11,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:44:10" (1/3) ... [2021-08-26 08:44:11,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0cf986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:11, skipping insertion in model container [2021-08-26 08:44:11,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:10" (2/3) ... [2021-08-26 08:44:11,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0cf986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:11, skipping insertion in model container [2021-08-26 08:44:11,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:11" (3/3) ... [2021-08-26 08:44:11,255 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2021-08-26 08:44:11,258 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:44:11,259 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:44:11,296 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:44:11,304 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:44:11,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:44:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:44:11,321 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,322 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:11,322 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:11,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1623272414, now seen corresponding path program 1 times [2021-08-26 08:44:11,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038139965] [2021-08-26 08:44:11,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:11,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038139965] [2021-08-26 08:44:11,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038139965] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:11,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224134552] [2021-08-26 08:44:11,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:44:11,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:44:11,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:11,563 INFO L87 Difference]: Start difference. First operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,591 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-08-26 08:44:11,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:44:11,592 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-26 08:44:11,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,597 INFO L225 Difference]: With dead ends: 180 [2021-08-26 08:44:11,597 INFO L226 Difference]: Without dead ends: 89 [2021-08-26 08:44:11,599 INFO L781 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 [2021-08-26 08:44:11,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-08-26 08:44:11,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-08-26 08:44:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 88 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-08-26 08:44:11,622 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-08-26 08:44:11,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,623 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-08-26 08:44:11,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,623 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-08-26 08:44:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:44:11,624 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,624 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:11,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:44:11,624 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:11,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,625 INFO L82 PathProgramCache]: Analyzing trace with hash 352621777, now seen corresponding path program 1 times [2021-08-26 08:44:11,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175906756] [2021-08-26 08:44:11,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:11,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175906756] [2021-08-26 08:44:11,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175906756] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:11,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627848378] [2021-08-26 08:44:11,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:11,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:11,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:11,684 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,695 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-08-26 08:44:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:11,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-26 08:44:11,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,696 INFO L225 Difference]: With dead ends: 89 [2021-08-26 08:44:11,696 INFO L226 Difference]: Without dead ends: 39 [2021-08-26 08:44:11,698 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:11,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-08-26 08:44:11,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-08-26 08:44:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-08-26 08:44:11,706 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-08-26 08:44:11,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,706 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-08-26 08:44:11,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-08-26 08:44:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:44:11,707 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,707 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:11,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:44:11,708 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:11,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2021-08-26 08:44:11,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918937228] [2021-08-26 08:44:11,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:11,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918937228] [2021-08-26 08:44:11,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918937228] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:11,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150112551] [2021-08-26 08:44:11,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:11,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:11,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:11,808 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,847 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-08-26 08:44:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:11,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:44:11,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,853 INFO L225 Difference]: With dead ends: 72 [2021-08-26 08:44:11,853 INFO L226 Difference]: Without dead ends: 39 [2021-08-26 08:44:11,854 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:11,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-08-26 08:44:11,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-08-26 08:44:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-08-26 08:44:11,864 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-08-26 08:44:11,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,865 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-08-26 08:44:11,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-08-26 08:44:11,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-26 08:44:11,865 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,865 INFO L512 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] [2021-08-26 08:44:11,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:44:11,866 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:11,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,866 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2021-08-26 08:44:11,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768137306] [2021-08-26 08:44:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:11,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768137306] [2021-08-26 08:44:11,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768137306] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:11,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555539610] [2021-08-26 08:44:11,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:11,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:11,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:11,915 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) 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) [2021-08-26 08:44:11,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,936 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-08-26 08:44:11,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:11,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) 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 [2021-08-26 08:44:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,939 INFO L225 Difference]: With dead ends: 95 [2021-08-26 08:44:11,939 INFO L226 Difference]: Without dead ends: 62 [2021-08-26 08:44:11,940 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:11,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-08-26 08:44:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-08-26 08:44:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 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) [2021-08-26 08:44:11,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-08-26 08:44:11,949 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-08-26 08:44:11,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,950 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-08-26 08:44:11,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) 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) [2021-08-26 08:44:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-08-26 08:44:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-26 08:44:11,951 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,951 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:11,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:44:11,951 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:11,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2021-08-26 08:44:11,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822457266] [2021-08-26 08:44:11,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822457266] [2021-08-26 08:44:12,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822457266] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:12,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563627919] [2021-08-26 08:44:12,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:12,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:12,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,008 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,091 INFO L93 Difference]: Finished difference Result 320 states and 467 transitions. [2021-08-26 08:44:12,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:12,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2021-08-26 08:44:12,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,094 INFO L225 Difference]: With dead ends: 320 [2021-08-26 08:44:12,094 INFO L226 Difference]: Without dead ends: 266 [2021-08-26 08:44:12,096 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:12,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-08-26 08:44:12,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2021-08-26 08:44:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4018691588785046) internal successors, (150), 107 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 150 transitions. [2021-08-26 08:44:12,117 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 150 transitions. Word has length 31 [2021-08-26 08:44:12,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,117 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 150 transitions. [2021-08-26 08:44:12,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 150 transitions. [2021-08-26 08:44:12,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:12,121 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,121 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:44:12,122 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2021-08-26 08:44:12,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657277610] [2021-08-26 08:44:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657277610] [2021-08-26 08:44:12,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657277610] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:12,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190874594] [2021-08-26 08:44:12,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:12,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:12,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:12,180 INFO L87 Difference]: Start difference. First operand 108 states and 150 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,204 INFO L93 Difference]: Finished difference Result 343 states and 483 transitions. [2021-08-26 08:44:12,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:12,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-08-26 08:44:12,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,206 INFO L225 Difference]: With dead ends: 343 [2021-08-26 08:44:12,206 INFO L226 Difference]: Without dead ends: 241 [2021-08-26 08:44:12,206 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-08-26 08:44:12,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 108. [2021-08-26 08:44:12,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.3925233644859814) internal successors, (149), 107 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 149 transitions. [2021-08-26 08:44:12,225 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 149 transitions. Word has length 32 [2021-08-26 08:44:12,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,225 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 149 transitions. [2021-08-26 08:44:12,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 149 transitions. [2021-08-26 08:44:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:12,226 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,226 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:44:12,227 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2021-08-26 08:44:12,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611911499] [2021-08-26 08:44:12,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611911499] [2021-08-26 08:44:12,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611911499] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-26 08:44:12,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064730546] [2021-08-26 08:44:12,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:44:12,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:44:12,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:12,274 INFO L87 Difference]: Start difference. First operand 108 states and 149 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,333 INFO L93 Difference]: Finished difference Result 386 states and 542 transitions. [2021-08-26 08:44:12,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:44:12,333 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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 32 [2021-08-26 08:44:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,334 INFO L225 Difference]: With dead ends: 386 [2021-08-26 08:44:12,334 INFO L226 Difference]: Without dead ends: 284 [2021-08-26 08:44:12,335 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:44:12,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-08-26 08:44:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 111. [2021-08-26 08:44:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 151 transitions. [2021-08-26 08:44:12,354 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 151 transitions. Word has length 32 [2021-08-26 08:44:12,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,355 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 151 transitions. [2021-08-26 08:44:12,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 151 transitions. [2021-08-26 08:44:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:44:12,356 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,356 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:44:12,357 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2021-08-26 08:44:12,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137679940] [2021-08-26 08:44:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137679940] [2021-08-26 08:44:12,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137679940] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:12,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532603820] [2021-08-26 08:44:12,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:12,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:12,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:12,423 INFO L87 Difference]: Start difference. First operand 111 states and 151 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,577 INFO L93 Difference]: Finished difference Result 814 states and 1107 transitions. [2021-08-26 08:44:12,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-26 08:44:12,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-08-26 08:44:12,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,580 INFO L225 Difference]: With dead ends: 814 [2021-08-26 08:44:12,581 INFO L226 Difference]: Without dead ends: 709 [2021-08-26 08:44:12,581 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 64.3ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-08-26 08:44:12,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2021-08-26 08:44:12,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 202. [2021-08-26 08:44:12,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 201 states have (on average 1.3532338308457712) internal successors, (272), 201 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 272 transitions. [2021-08-26 08:44:12,603 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 272 transitions. Word has length 35 [2021-08-26 08:44:12,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,603 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 272 transitions. [2021-08-26 08:44:12,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,604 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 272 transitions. [2021-08-26 08:44:12,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:44:12,605 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,605 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:44:12,606 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,606 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2021-08-26 08:44:12,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475852943] [2021-08-26 08:44:12,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475852943] [2021-08-26 08:44:12,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475852943] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:12,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445636753] [2021-08-26 08:44:12,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:12,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:12,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,667 INFO L87 Difference]: Start difference. First operand 202 states and 272 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,779 INFO L93 Difference]: Finished difference Result 516 states and 713 transitions. [2021-08-26 08:44:12,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:12,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-08-26 08:44:12,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,780 INFO L225 Difference]: With dead ends: 516 [2021-08-26 08:44:12,780 INFO L226 Difference]: Without dead ends: 104 [2021-08-26 08:44:12,780 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-08-26 08:44:12,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 97. [2021-08-26 08:44:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.25) internal successors, (120), 96 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2021-08-26 08:44:12,786 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 35 [2021-08-26 08:44:12,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,787 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2021-08-26 08:44:12,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2021-08-26 08:44:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 08:44:12,789 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:12,789 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:12,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:44:12,789 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:12,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2021-08-26 08:44:12,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:12,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944883039] [2021-08-26 08:44:12,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:12,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:12,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:12,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944883039] [2021-08-26 08:44:12,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944883039] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:12,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:12,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:12,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679159178] [2021-08-26 08:44:12,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:12,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:12,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:12,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:12,841 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:12,919 INFO L93 Difference]: Finished difference Result 229 states and 283 transitions. [2021-08-26 08:44:12,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:44:12,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-08-26 08:44:12,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:12,919 INFO L225 Difference]: With dead ends: 229 [2021-08-26 08:44:12,919 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:44:12,920 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:12,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:44:12,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:44:12,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:44:12,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-08-26 08:44:12,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:12,921 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:44:12,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:44:12,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:44:12,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:12,923 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:12,925 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:12,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:44:12,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:44:12,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:15,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-08-26 08:44:15,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:44:15,493 INFO L857 garLoopResultBuilder]: For program point L499(line 499) no Hoare annotation was computed. [2021-08-26 08:44:15,494 INFO L857 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2021-08-26 08:44:15,494 INFO L857 garLoopResultBuilder]: For program point L499-2(line 499) no Hoare annotation was computed. [2021-08-26 08:44:15,494 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-08-26 08:44:15,494 INFO L853 garLoopResultBuilder]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse4 .cse5 (= ~pumpRunning~0 1)))) [2021-08-26 08:44:15,494 INFO L853 garLoopResultBuilder]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2021-08-26 08:44:15,494 INFO L853 garLoopResultBuilder]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2021-08-26 08:44:15,494 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 490) no Hoare annotation was computed. [2021-08-26 08:44:15,494 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 484 490) no Hoare annotation was computed. [2021-08-26 08:44:15,495 INFO L857 garLoopResultBuilder]: For program point L484-2(lines 484 490) no Hoare annotation was computed. [2021-08-26 08:44:15,495 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 200) no Hoare annotation was computed. [2021-08-26 08:44:15,495 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-26 08:44:15,495 INFO L853 garLoopResultBuilder]: At program point L534(lines 529 537) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:15,495 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 934) no Hoare annotation was computed. [2021-08-26 08:44:15,495 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 934) no Hoare annotation was computed. [2021-08-26 08:44:15,495 INFO L857 garLoopResultBuilder]: For program point L914-4(lines 914 934) no Hoare annotation was computed. [2021-08-26 08:44:15,495 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:15,495 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-08-26 08:44:15,496 INFO L853 garLoopResultBuilder]: At program point L205(lines 156 206) the Hoare annotation is: false [2021-08-26 08:44:15,496 INFO L853 garLoopResultBuilder]: At program point L387(lines 372 390) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse7 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse8 .cse7 .cse9 .cse5 .cse10 .cse11 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse9 .cse5 .cse10 .cse11 .cse6))) [2021-08-26 08:44:15,496 INFO L853 garLoopResultBuilder]: At program point L387-1(lines 372 390) the Hoare annotation is: false [2021-08-26 08:44:15,496 INFO L853 garLoopResultBuilder]: At program point L387-2(lines 372 390) the Hoare annotation is: false [2021-08-26 08:44:15,496 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:44:15,496 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-08-26 08:44:15,496 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 229 235) no Hoare annotation was computed. [2021-08-26 08:44:15,496 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-08-26 08:44:15,497 INFO L853 garLoopResultBuilder]: At program point L323(lines 316 326) the Hoare annotation is: (let ((.cse3 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse11 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse12 .cse13 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse14 .cse11) (and .cse0 .cse1 .cse2 .cse12 .cse13 .cse15 .cse4 .cse7 .cse14 .cse11) (and .cse0 .cse1 .cse2 .cse15 .cse4 .cse5 .cse7 .cse10 .cse11))) [2021-08-26 08:44:15,497 INFO L853 garLoopResultBuilder]: At program point L323-1(lines 316 326) the Hoare annotation is: false [2021-08-26 08:44:15,497 INFO L853 garLoopResultBuilder]: At program point L323-2(lines 316 326) the Hoare annotation is: false [2021-08-26 08:44:15,497 INFO L857 garLoopResultBuilder]: For program point L158(lines 157 204) no Hoare annotation was computed. [2021-08-26 08:44:15,497 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-08-26 08:44:15,497 INFO L853 garLoopResultBuilder]: At program point L489(lines 480 493) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse8 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6))) [2021-08-26 08:44:15,497 INFO L853 garLoopResultBuilder]: At program point L489-1(lines 480 493) the Hoare annotation is: false [2021-08-26 08:44:15,498 INFO L853 garLoopResultBuilder]: At program point L489-2(lines 480 493) the Hoare annotation is: false [2021-08-26 08:44:15,498 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-08-26 08:44:15,498 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:44:15,498 INFO L857 garLoopResultBuilder]: For program point L407-3(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:44:15,498 INFO L857 garLoopResultBuilder]: For program point L407-6(lines 407 411) no Hoare annotation was computed. [2021-08-26 08:44:15,498 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:44:15,498 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 933) no Hoare annotation was computed. [2021-08-26 08:44:15,498 INFO L853 garLoopResultBuilder]: At program point L920-1(lines 1 937) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse6 .cse8) (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse7 .cse8) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse6 .cse8 (= ~pumpRunning~0 1)))) [2021-08-26 08:44:15,498 INFO L857 garLoopResultBuilder]: For program point L920-2(lines 920 933) no Hoare annotation was computed. [2021-08-26 08:44:15,499 INFO L853 garLoopResultBuilder]: At program point L920-3(lines 1 937) the Hoare annotation is: false [2021-08-26 08:44:15,499 INFO L857 garLoopResultBuilder]: For program point L920-4(lines 920 933) no Hoare annotation was computed. [2021-08-26 08:44:15,499 INFO L853 garLoopResultBuilder]: At program point L920-5(lines 1 937) the Hoare annotation is: false [2021-08-26 08:44:15,499 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2021-08-26 08:44:15,499 INFO L853 garLoopResultBuilder]: At program point L177-1(lines 177 183) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse3 .cse4 (= ~pumpRunning~0 1)))) [2021-08-26 08:44:15,499 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 278) no Hoare annotation was computed. [2021-08-26 08:44:15,499 INFO L857 garLoopResultBuilder]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2021-08-26 08:44:15,499 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 199) no Hoare annotation was computed. [2021-08-26 08:44:15,499 INFO L857 garLoopResultBuilder]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2021-08-26 08:44:15,500 INFO L853 garLoopResultBuilder]: At program point L195-2(lines 229 235) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse3 .cse4 (= ~pumpRunning~0 1)))) [2021-08-26 08:44:15,500 INFO L853 garLoopResultBuilder]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse0 .cse1 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse2 .cse3 (= ~pumpRunning~0 1)))) [2021-08-26 08:44:15,500 INFO L853 garLoopResultBuilder]: At program point L476-1(lines 471 479) the Hoare annotation is: false [2021-08-26 08:44:15,500 INFO L853 garLoopResultBuilder]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2021-08-26 08:44:15,501 INFO L853 garLoopResultBuilder]: At program point L526(lines 1 937) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:15,501 INFO L853 garLoopResultBuilder]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse3 .cse4 (= ~pumpRunning~0 1)))) [2021-08-26 08:44:15,501 INFO L857 garLoopResultBuilder]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2021-08-26 08:44:15,501 INFO L853 garLoopResultBuilder]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2021-08-26 08:44:15,502 INFO L853 garLoopResultBuilder]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2021-08-26 08:44:15,502 INFO L853 garLoopResultBuilder]: At program point L444(lines 439 447) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse6 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse9 .cse6 .cse10 .cse11 .cse7 .cse12 .cse13 .cse14 .cse8) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse10 .cse7 .cse14 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 .cse6 .cse11 .cse7 .cse12 .cse13 .cse8))) [2021-08-26 08:44:15,502 INFO L853 garLoopResultBuilder]: At program point L444-1(lines 439 447) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5 .cse6) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse7 .cse4 .cse6) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse4 .cse6 (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse4 .cse5 .cse6))) [2021-08-26 08:44:15,502 INFO L853 garLoopResultBuilder]: At program point L444-2(lines 439 447) the Hoare annotation is: false [2021-08-26 08:44:15,502 INFO L853 garLoopResultBuilder]: At program point L444-3(lines 439 447) the Hoare annotation is: false [2021-08-26 08:44:15,502 INFO L853 garLoopResultBuilder]: At program point L444-4(lines 439 447) the Hoare annotation is: false [2021-08-26 08:44:15,502 INFO L853 garLoopResultBuilder]: At program point L444-5(lines 439 447) the Hoare annotation is: false [2021-08-26 08:44:15,503 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:44:15,503 INFO L857 garLoopResultBuilder]: For program point L924(lines 924 930) no Hoare annotation was computed. [2021-08-26 08:44:15,503 INFO L857 garLoopResultBuilder]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2021-08-26 08:44:15,503 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2021-08-26 08:44:15,503 INFO L857 garLoopResultBuilder]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2021-08-26 08:44:15,503 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-08-26 08:44:15,503 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-08-26 08:44:15,503 INFO L857 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2021-08-26 08:44:15,503 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L298-2(lines 298 304) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L298-4(lines 298 304) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 385) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L381-3(lines 381 385) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L381-5(lines 381 385) no Hoare annotation was computed. [2021-08-26 08:44:15,504 INFO L857 garLoopResultBuilder]: For program point L381-6(lines 381 385) no Hoare annotation was computed. [2021-08-26 08:44:15,505 INFO L857 garLoopResultBuilder]: For program point L381-8(lines 381 385) no Hoare annotation was computed. [2021-08-26 08:44:15,505 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-08-26 08:44:15,505 INFO L853 garLoopResultBuilder]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_activatePump_~tmp~3 0) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-08-26 08:44:15,505 INFO L853 garLoopResultBuilder]: At program point L332-1(lines 327 335) the Hoare annotation is: false [2021-08-26 08:44:15,505 INFO L853 garLoopResultBuilder]: At program point L332-2(lines 327 335) the Hoare annotation is: false [2021-08-26 08:44:15,505 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 173) no Hoare annotation was computed. [2021-08-26 08:44:15,505 INFO L853 garLoopResultBuilder]: At program point L167-1(lines 167 173) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1) (= ~methaneLevelCritical~0 1) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4) (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse3 .cse4 (= ~pumpRunning~0 1)))) [2021-08-26 08:44:15,508 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:44:15,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:44:15 BoogieIcfgContainer [2021-08-26 08:44:15,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:44:15,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:44:15,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:44:15,534 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:44:15,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:11" (3/4) ... [2021-08-26 08:44:15,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:44:15,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:44:15,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:44:15,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:44:15,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:44:15,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:44:15,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:15,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:15,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive) [2021-08-26 08:44:15,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive) [2021-08-26 08:44:15,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:15,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:15,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:15,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:15,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:15,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:15,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:44:15,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && !(0 == systemActive)) [2021-08-26 08:44:15,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result <= 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:15,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) [2021-08-26 08:44:15,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 [2021-08-26 08:44:15,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(tmp == 0)) && \result == 1) && !(0 == systemActive)) || (((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) [2021-08-26 08:44:15,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(tmp == 0)) && \result == 1) && \result == 0) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:44:15,615 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:44:15,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:44:15,617 INFO L168 Benchmark]: Toolchain (without parser) took 5481.34 ms. Allocated memory was 73.4 MB in the beginning and 195.0 MB in the end (delta: 121.6 MB). Free memory was 57.5 MB in the beginning and 111.9 MB in the end (delta: -54.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:15,617 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 73.4 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:44:15,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.37 ms. Allocated memory is still 73.4 MB. Free memory was 57.3 MB in the beginning and 49.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:15,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.43 ms. Allocated memory is still 73.4 MB. Free memory was 49.5 MB in the beginning and 46.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:15,618 INFO L168 Benchmark]: Boogie Preprocessor took 29.16 ms. Allocated memory is still 73.4 MB. Free memory was 46.3 MB in the beginning and 43.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:15,618 INFO L168 Benchmark]: RCFGBuilder took 700.63 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 43.9 MB in the beginning and 50.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:15,619 INFO L168 Benchmark]: TraceAbstraction took 4283.23 ms. Allocated memory was 88.1 MB in the beginning and 195.0 MB in the end (delta: 107.0 MB). Free memory was 49.9 MB in the beginning and 120.3 MB in the end (delta: -70.3 MB). Peak memory consumption was 79.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:15,619 INFO L168 Benchmark]: Witness Printer took 82.07 ms. Allocated memory is still 195.0 MB. Free memory was 120.3 MB in the beginning and 111.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:15,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 73.4 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.37 ms. Allocated memory is still 73.4 MB. Free memory was 57.3 MB in the beginning and 49.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.43 ms. Allocated memory is still 73.4 MB. Free memory was 49.5 MB in the beginning and 46.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.16 ms. Allocated memory is still 73.4 MB. Free memory was 46.3 MB in the beginning and 43.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 700.63 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 43.9 MB in the beginning and 50.8 MB in the end (delta: -6.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4283.23 ms. Allocated memory was 88.1 MB in the beginning and 195.0 MB in the end (delta: 107.0 MB). Free memory was 49.9 MB in the beginning and 120.3 MB in the end (delta: -70.3 MB). Peak memory consumption was 79.0 MB. Max. memory is 16.1 GB. * Witness Printer took 82.07 ms. Allocated memory is still 195.0 MB. Free memory was 120.3 MB in the beginning and 111.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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 - PositiveResult [Line: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4213.2ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 17.2ms, AutomataDifference: 665.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2567.1ms, InitialAbstractionConstructionTime: 9.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 890 SDtfs, 1402 SDslu, 1485 SDs, 0 SdLazy, 206 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 210.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 199.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=8, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 128.5ms AutomataMinimizationTime, 10 MinimizatonAttempts, 980 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 189 NumberOfFragments, 1237 HoareAnnotationTreeSize, 40 FomulaSimplifications, 289691 FormulaSimplificationTreeSizeReduction, 590.1ms HoareSimplificationTime, 40 FomulaSimplificationsInter, 20183 FormulaSimplificationTreeSizeReductionInter, 1965.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 38.5ms SsaConstructionTime, 194.2ms SatisfiabilityAnalysisTime, 409.3ms InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 0) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(tmp == 0)) && \result == 1) && \result == 0) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((((((((\result <= 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && tmp == 1) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && !(0 == systemActive) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && !(tmp == 0)) && \result == 1) && !(0 == systemActive)) || (((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && !(tmp == 0)) && methaneLevelCritical == 1) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && !(0 == systemActive))) || (((((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && !(\result == 0)) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && tmp == 0) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:44:15,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...