./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_product41.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 1fc4b6513d54dfae6e097800b1200a0f44455272 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:15:41,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:15:41,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:15:41,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:15:41,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:15:41,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:15:41,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:15:41,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:15:41,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:15:41,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:15:41,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:15:41,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:15:41,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:15:41,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:15:41,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:15:41,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:15:41,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:15:41,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:15:41,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:15:41,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:15:41,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:15:41,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:15:41,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:15:41,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:15:41,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:15:41,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:15:41,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:15:41,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:15:41,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:15:41,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:15:41,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:15:41,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:15:41,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:15:41,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:15:41,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:15:41,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:15:41,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:15:41,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:15:41,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:15:41,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:15:41,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:15:41,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:15:42,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:15:42,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:15:42,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:15:42,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:15:42,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:15:42,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:15:42,018 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:15:42,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:15:42,018 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:15:42,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:15:42,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:15:42,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:15:42,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:15:42,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:15:42,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:15:42,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:15:42,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:15:42,020 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:15:42,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:15:42,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:15:42,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:15:42,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:15:42,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:15:42,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:15:42,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:15:42,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:15:42,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:15:42,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:15:42,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:15:42,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:15:42,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fc4b6513d54dfae6e097800b1200a0f44455272 [2021-08-29 16:15:42,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:15:42,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:15:42,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:15:42,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:15:42,368 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:15:42,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-08-29 16:15:42,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255e7d832/d73c0b87a6994a308fc9a26a739277e5/FLAGf7912cf47 [2021-08-29 16:15:42,944 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:15:42,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-08-29 16:15:42,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255e7d832/d73c0b87a6994a308fc9a26a739277e5/FLAGf7912cf47 [2021-08-29 16:15:43,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/255e7d832/d73c0b87a6994a308fc9a26a739277e5 [2021-08-29 16:15:43,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:15:43,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:15:43,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:15:43,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:15:43,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:15:43,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2301a76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43, skipping insertion in model container [2021-08-29 16:15:43,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:15:43,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:15:43,711 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_product41.cil.c[17654,17667] [2021-08-29 16:15:43,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:15:43,720 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:15:43,782 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_product41.cil.c[17654,17667] [2021-08-29 16:15:43,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:15:43,796 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:15:43,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43 WrapperNode [2021-08-29 16:15:43,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:15:43,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:15:43,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:15:43,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:15:43,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:15:43,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:15:43,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:15:43,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:15:43,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:15:43,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:15:43,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:15:43,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:15:43,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (1/1) ... [2021-08-29 16:15:43,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:15:43,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:15:43,942 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) [2021-08-29 16:15:43,959 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 [2021-08-29 16:15:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:15:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:15:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:15:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:15:44,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:15:44,525 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-08-29 16:15:44,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:44 BoogieIcfgContainer [2021-08-29 16:15:44,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:15:44,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:15:44,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:15:44,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:15:44,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:15:43" (1/3) ... [2021-08-29 16:15:44,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc470c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:15:44, skipping insertion in model container [2021-08-29 16:15:44,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:43" (2/3) ... [2021-08-29 16:15:44,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc470c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:15:44, skipping insertion in model container [2021-08-29 16:15:44,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:44" (3/3) ... [2021-08-29 16:15:44,535 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2021-08-29 16:15:44,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:15:44,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:15:44,589 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:15:44,597 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 [2021-08-29 16:15:44,597 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:15:44,616 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) [2021-08-29 16:15:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 16:15:44,623 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:44,624 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:44,625 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:44,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:44,630 INFO L82 PathProgramCache]: Analyzing trace with hash -611333278, now seen corresponding path program 1 times [2021-08-29 16:15:44,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:44,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084357025] [2021-08-29 16:15:44,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:44,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:44,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:44,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084357025] [2021-08-29 16:15:44,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084357025] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:44,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:44,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:44,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173101220] [2021-08-29 16:15:44,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:15:44,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:44,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:15:44,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:15:44,901 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) [2021-08-29 16:15:45,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:45,188 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-08-29 16:15:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:15:45,190 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 [2021-08-29 16:15:45,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:45,197 INFO L225 Difference]: With dead ends: 180 [2021-08-29 16:15:45,197 INFO L226 Difference]: Without dead ends: 89 [2021-08-29 16:15:45,199 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:15:45,202 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 200.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 259.90ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:45,203 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 131 Unknown, 0 Unchecked, 0.99ms Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 259.90ms Time] [2021-08-29 16:15:45,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-08-29 16:15:45,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-08-29 16:15:45,232 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) [2021-08-29 16:15:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-08-29 16:15:45,234 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-08-29 16:15:45,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:45,235 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-08-29 16:15:45,235 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) [2021-08-29 16:15:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-08-29 16:15:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:15:45,236 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:45,236 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:15:45,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:15:45,237 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:45,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:45,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1493643632, now seen corresponding path program 1 times [2021-08-29 16:15:45,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:45,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150626553] [2021-08-29 16:15:45,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:45,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:45,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:45,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150626553] [2021-08-29 16:15:45,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150626553] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:45,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:45,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:45,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397940119] [2021-08-29 16:15:45,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:45,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:45,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:45,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:45,377 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) [2021-08-29 16:15:45,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:45,534 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-08-29 16:15:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:45,534 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 [2021-08-29 16:15:45,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:45,535 INFO L225 Difference]: With dead ends: 89 [2021-08-29 16:15:45,535 INFO L226 Difference]: Without dead ends: 39 [2021-08-29 16:15:45,536 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:45,537 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 48 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.55ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:45,537 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 0 Invalid, 60 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 145.55ms Time] [2021-08-29 16:15:45,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-08-29 16:15:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-08-29 16:15:45,546 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) [2021-08-29 16:15:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-08-29 16:15:45,548 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-08-29 16:15:45,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:45,549 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-08-29 16:15:45,549 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) [2021-08-29 16:15:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-08-29 16:15:45,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:15:45,550 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:45,550 INFO L513 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] [2021-08-29 16:15:45,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:15:45,550 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:45,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:45,551 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2021-08-29 16:15:45,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:45,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413029453] [2021-08-29 16:15:45,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:45,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:45,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:45,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413029453] [2021-08-29 16:15:45,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413029453] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:45,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:45,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:45,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339157104] [2021-08-29 16:15:45,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:45,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:45,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:45,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:45,661 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:45,745 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-08-29 16:15:45,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:45,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-29 16:15:45,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:45,748 INFO L225 Difference]: With dead ends: 72 [2021-08-29 16:15:45,749 INFO L226 Difference]: Without dead ends: 39 [2021-08-29 16:15:45,749 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:45,752 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.63ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:45,754 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 54 Unknown, 0 Unchecked, 0.46ms Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 77.63ms Time] [2021-08-29 16:15:45,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-08-29 16:15:45,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-08-29 16:15:45,761 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) [2021-08-29 16:15:45,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-08-29 16:15:45,765 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-08-29 16:15:45,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:45,766 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-08-29 16:15:45,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-08-29 16:15:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:15:45,768 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:45,769 INFO L513 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] [2021-08-29 16:15:45,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:15:45,769 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:45,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:45,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2021-08-29 16:15:45,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:45,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173598511] [2021-08-29 16:15:45,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:45,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:45,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:45,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:45,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173598511] [2021-08-29 16:15:45,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173598511] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:45,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:45,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:45,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773663683] [2021-08-29 16:15:45,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:45,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:45,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:45,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:45,865 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) [2021-08-29 16:15:46,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:46,032 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-08-29 16:15:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:46,032 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 [2021-08-29 16:15:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:46,033 INFO L225 Difference]: With dead ends: 95 [2021-08-29 16:15:46,035 INFO L226 Difference]: Without dead ends: 62 [2021-08-29 16:15:46,035 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.80ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:46,037 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 33 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 156.43ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:46,041 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 0 Invalid, 91 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 156.43ms Time] [2021-08-29 16:15:46,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-08-29 16:15:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-08-29 16:15:46,052 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) [2021-08-29 16:15:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-08-29 16:15:46,056 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-08-29 16:15:46,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:46,057 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-08-29 16:15:46,057 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) [2021-08-29 16:15:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-08-29 16:15:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-29 16:15:46,058 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:46,058 INFO L513 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] [2021-08-29 16:15:46,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:15:46,059 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:46,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:46,062 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2021-08-29 16:15:46,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:46,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998767823] [2021-08-29 16:15:46,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:46,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:46,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:46,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:46,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998767823] [2021-08-29 16:15:46,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998767823] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:46,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:46,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:46,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902699022] [2021-08-29 16:15:46,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:46,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:46,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:46,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:46,181 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) [2021-08-29 16:15:46,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:46,586 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2021-08-29 16:15:46,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:15:46,587 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 [2021-08-29 16:15:46,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:46,591 INFO L225 Difference]: With dead ends: 314 [2021-08-29 16:15:46,592 INFO L226 Difference]: Without dead ends: 260 [2021-08-29 16:15:46,593 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 24.97ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:15:46,595 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 184 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 267.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.77ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 350.02ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:46,596 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 0 Invalid, 382 Unknown, 0 Unchecked, 6.77ms Time], IncrementalHoareTripleChecker [7 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 350.02ms Time] [2021-08-29 16:15:46,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-08-29 16:15:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-08-29 16:15:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 105 states have internal predecessors, (146), 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) [2021-08-29 16:15:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2021-08-29 16:15:46,613 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2021-08-29 16:15:46,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:46,613 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2021-08-29 16:15:46,613 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) [2021-08-29 16:15:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2021-08-29 16:15:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:15:46,614 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:46,614 INFO L513 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] [2021-08-29 16:15:46,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:15:46,615 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:46,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:46,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2021-08-29 16:15:46,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:46,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543243754] [2021-08-29 16:15:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:46,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:46,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:46,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543243754] [2021-08-29 16:15:46,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543243754] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:46,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:46,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:46,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355286494] [2021-08-29 16:15:46,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:15:46,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:46,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:15:46,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:15:46,716 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-08-29 16:15:46,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:46,904 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2021-08-29 16:15:46,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:15:46,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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 [2021-08-29 16:15:46,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:46,907 INFO L225 Difference]: With dead ends: 212 [2021-08-29 16:15:46,907 INFO L226 Difference]: Without dead ends: 158 [2021-08-29 16:15:46,907 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.15ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:15:46,909 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 69 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 167.66ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:46,911 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 0 Invalid, 197 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [4 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 167.66ms Time] [2021-08-29 16:15:46,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-08-29 16:15:46,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-08-29 16:15:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.396103896103896) internal successors, (215), 154 states have internal predecessors, (215), 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) [2021-08-29 16:15:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-08-29 16:15:46,928 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2021-08-29 16:15:46,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:46,928 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-08-29 16:15:46,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 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) [2021-08-29 16:15:46,928 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-08-29 16:15:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:15:46,929 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:46,929 INFO L513 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] [2021-08-29 16:15:46,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:15:46,930 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:46,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:46,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2021-08-29 16:15:46,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:46,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146337326] [2021-08-29 16:15:46,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:46,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:46,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:46,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146337326] [2021-08-29 16:15:46,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146337326] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:46,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:46,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:46,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163571039] [2021-08-29 16:15:46,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:15:46,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:46,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:15:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:15:46,971 INFO L87 Difference]: Start difference. First operand 155 states and 215 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) [2021-08-29 16:15:47,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:47,232 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2021-08-29 16:15:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:15:47,233 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 [2021-08-29 16:15:47,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:47,235 INFO L225 Difference]: With dead ends: 412 [2021-08-29 16:15:47,236 INFO L226 Difference]: Without dead ends: 308 [2021-08-29 16:15:47,238 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.60ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:47,241 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 92 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 165.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 227.93ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:47,241 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 0 Invalid, 283 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [1 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 227.93ms Time] [2021-08-29 16:15:47,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-08-29 16:15:47,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2021-08-29 16:15:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 154 states have internal predecessors, (214), 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) [2021-08-29 16:15:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2021-08-29 16:15:47,269 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2021-08-29 16:15:47,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:47,270 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2021-08-29 16:15:47,270 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) [2021-08-29 16:15:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2021-08-29 16:15:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:15:47,271 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:47,271 INFO L513 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] [2021-08-29 16:15:47,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:15:47,271 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:47,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:47,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2021-08-29 16:15:47,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:47,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389367650] [2021-08-29 16:15:47,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:47,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:47,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:47,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389367650] [2021-08-29 16:15:47,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389367650] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:47,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:47,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:15:47,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947673846] [2021-08-29 16:15:47,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:15:47,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:47,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:15:47,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:47,342 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2021-08-29 16:15:47,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:47,695 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2021-08-29 16:15:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:15:47,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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 [2021-08-29 16:15:47,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:47,697 INFO L225 Difference]: With dead ends: 524 [2021-08-29 16:15:47,697 INFO L226 Difference]: Without dead ends: 375 [2021-08-29 16:15:47,698 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 36.01ms TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-08-29 16:15:47,699 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 231 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 225.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.50ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 292.48ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:47,699 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 0 Invalid, 376 Unknown, 0 Unchecked, 2.50ms Time], IncrementalHoareTripleChecker [3 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 292.48ms Time] [2021-08-29 16:15:47,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-08-29 16:15:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2021-08-29 16:15:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.36875) internal successors, (219), 160 states have internal predecessors, (219), 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) [2021-08-29 16:15:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2021-08-29 16:15:47,724 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2021-08-29 16:15:47,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:47,725 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2021-08-29 16:15:47,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 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) [2021-08-29 16:15:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2021-08-29 16:15:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-29 16:15:47,731 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:47,731 INFO L513 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] [2021-08-29 16:15:47,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:15:47,731 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:47,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:47,732 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2021-08-29 16:15:47,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:47,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364696327] [2021-08-29 16:15:47,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:47,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:47,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:47,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364696327] [2021-08-29 16:15:47,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364696327] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:47,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:47,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:15:47,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48966942] [2021-08-29 16:15:47,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:15:47,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:47,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:15:47,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:47,807 INFO L87 Difference]: Start difference. First operand 161 states and 219 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) [2021-08-29 16:15:48,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:48,424 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2021-08-29 16:15:48,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-29 16:15:48,425 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 [2021-08-29 16:15:48,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:48,428 INFO L225 Difference]: With dead ends: 1154 [2021-08-29 16:15:48,429 INFO L226 Difference]: Without dead ends: 999 [2021-08-29 16:15:48,429 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 62.27ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-08-29 16:15:48,430 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 339 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 384.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.95ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 491.30ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:48,430 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 0 Invalid, 695 Unknown, 0 Unchecked, 2.95ms Time], IncrementalHoareTripleChecker [9 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 491.30ms Time] [2021-08-29 16:15:48,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-08-29 16:15:48,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2021-08-29 16:15:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.3488372093023255) internal successors, (406), 301 states have internal predecessors, (406), 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) [2021-08-29 16:15:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2021-08-29 16:15:48,456 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2021-08-29 16:15:48,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:48,457 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2021-08-29 16:15:48,457 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) [2021-08-29 16:15:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2021-08-29 16:15:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-29 16:15:48,457 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:48,458 INFO L513 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] [2021-08-29 16:15:48,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:15:48,458 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:48,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:48,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2021-08-29 16:15:48,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:48,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412326881] [2021-08-29 16:15:48,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:48,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:48,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:48,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412326881] [2021-08-29 16:15:48,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412326881] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:48,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:48,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:15:48,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591860688] [2021-08-29 16:15:48,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:15:48,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:48,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:15:48,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:48,511 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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) [2021-08-29 16:15:48,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:48,883 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2021-08-29 16:15:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:15:48,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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 [2021-08-29 16:15:48,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:48,884 INFO L225 Difference]: With dead ends: 687 [2021-08-29 16:15:48,885 INFO L226 Difference]: Without dead ends: 121 [2021-08-29 16:15:48,885 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 39.81ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-29 16:15:48,886 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 173 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 234.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.89ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 301.19ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:48,887 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 0 Invalid, 413 Unknown, 0 Unchecked, 1.89ms Time], IncrementalHoareTripleChecker [3 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 301.19ms Time] [2021-08-29 16:15:48,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-08-29 16:15:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2021-08-29 16:15:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.2105263157894737) internal successors, (115), 95 states have internal predecessors, (115), 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) [2021-08-29 16:15:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2021-08-29 16:15:48,894 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2021-08-29 16:15:48,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:48,894 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2021-08-29 16:15:48,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 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) [2021-08-29 16:15:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2021-08-29 16:15:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 16:15:48,895 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:48,895 INFO L513 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] [2021-08-29 16:15:48,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 16:15:48,896 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:48,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:48,896 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2021-08-29 16:15:48,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:48,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517128016] [2021-08-29 16:15:48,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:48,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:15:48,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:48,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517128016] [2021-08-29 16:15:48,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517128016] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:48,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:48,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:15:48,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474712119] [2021-08-29 16:15:48,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 16:15:48,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:48,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 16:15:48,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:15:48,967 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 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) [2021-08-29 16:15:49,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:49,385 INFO L93 Difference]: Finished difference Result 280 states and 335 transitions. [2021-08-29 16:15:49,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:15:49,385 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 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 [2021-08-29 16:15:49,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:49,385 INFO L225 Difference]: With dead ends: 280 [2021-08-29 16:15:49,385 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:15:49,386 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 74.46ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-08-29 16:15:49,386 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 158 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 253.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.97ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 328.52ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:49,387 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 0 Invalid, 446 Unknown, 0 Unchecked, 1.97ms Time], IncrementalHoareTripleChecker [7 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 328.52ms Time] [2021-08-29 16:15:49,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:15:49,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:15:49,387 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) [2021-08-29 16:15:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:15:49,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-08-29 16:15:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:49,387 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:15:49,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 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) [2021-08-29 16:15:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:15:49,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:15:49,391 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:15:49,391 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:15:49,391 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:15:49,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 16:15:49,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:15:49,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:49,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:50,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:51,392 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-08-29 16:15:51,393 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-08-29 16:15:51,393 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 289) no Hoare annotation was computed. [2021-08-29 16:15:51,393 INFO L858 garLoopResultBuilder]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2021-08-29 16:15:51,393 INFO L854 garLoopResultBuilder]: At program point L283-1(lines 283 289) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse3 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse4) (and .cse1 .cse2 .cse7 .cse4 .cse6) (and .cse1 .cse2 .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5))) [2021-08-29 16:15:51,393 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-08-29 16:15:51,393 INFO L858 garLoopResultBuilder]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2021-08-29 16:15:51,393 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:15:51,394 INFO L861 garLoopResultBuilder]: At program point L549(lines 530 552) the Hoare annotation is: true [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L104(lines 104 110) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4))) [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L104-1(lines 104 110) the Hoare annotation is: false [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L104-2(lines 104 110) the Hoare annotation is: false [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L319(lines 272 320) the Hoare annotation is: false [2021-08-29 16:15:51,394 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 314) no Hoare annotation was computed. [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L452(lines 443 456) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse3 .cse7) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse7))) [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L452-1(lines 443 456) the Hoare annotation is: false [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2021-08-29 16:15:51,394 INFO L854 garLoopResultBuilder]: At program point L469-2(lines 469 483) the Hoare annotation is: false [2021-08-29 16:15:51,394 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-08-29 16:15:51,394 INFO L858 garLoopResultBuilder]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2021-08-29 16:15:51,395 INFO L858 garLoopResultBuilder]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2021-08-29 16:15:51,395 INFO L854 garLoopResultBuilder]: At program point L255(lines 240 258) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse10 .cse5 .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse10 .cse3 .cse4))) [2021-08-29 16:15:51,395 INFO L854 garLoopResultBuilder]: At program point L255-1(lines 240 258) the Hoare annotation is: false [2021-08-29 16:15:51,395 INFO L854 garLoopResultBuilder]: At program point L255-2(lines 240 258) the Hoare annotation is: false [2021-08-29 16:15:51,395 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-08-29 16:15:51,395 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:15:51,395 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 359) no Hoare annotation was computed. [2021-08-29 16:15:51,395 INFO L858 garLoopResultBuilder]: For program point L339-2(lines 339 359) no Hoare annotation was computed. [2021-08-29 16:15:51,395 INFO L858 garLoopResultBuilder]: For program point L339-4(lines 339 359) no Hoare annotation was computed. [2021-08-29 16:15:51,395 INFO L854 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:51,395 INFO L854 garLoopResultBuilder]: At program point L191(lines 184 194) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse12 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse13 (not .cse2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse14 (= ~waterLevel~0 1)) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse0 .cse1 .cse4 .cse5 .cse13 .cse6 .cse7 .cse8 .cse10 .cse11) (and .cse12 .cse0 .cse1 .cse13 .cse6 .cse14 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse14 .cse9 .cse11)))) [2021-08-29 16:15:51,395 INFO L854 garLoopResultBuilder]: At program point L191-1(lines 184 194) the Hoare annotation is: false [2021-08-29 16:15:51,395 INFO L854 garLoopResultBuilder]: At program point L191-2(lines 184 194) the Hoare annotation is: false [2021-08-29 16:15:51,396 INFO L854 garLoopResultBuilder]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= ~waterLevel~0 1)))) [2021-08-29 16:15:51,396 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-08-29 16:15:51,396 INFO L854 garLoopResultBuilder]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2021-08-29 16:15:51,396 INFO L854 garLoopResultBuilder]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2021-08-29 16:15:51,396 INFO L858 garLoopResultBuilder]: For program point L274(lines 273 318) no Hoare annotation was computed. [2021-08-29 16:15:51,396 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 477) no Hoare annotation was computed. [2021-08-29 16:15:51,396 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 97 103) no Hoare annotation was computed. [2021-08-29 16:15:51,396 INFO L854 garLoopResultBuilder]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (not .cse2)) (.cse5 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse6 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse9 .cse10 .cse4 .cse11 .cse12 .cse13 .cse6) (and .cse7 .cse0 .cse1 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse9 .cse4 .cse11 .cse12 .cse13 .cse6)))) [2021-08-29 16:15:51,396 INFO L854 garLoopResultBuilder]: At program point L407-1(lines 402 410) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse5 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse6 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse0 (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse5 .cse0 .cse1 .cse6 .cse3 .cse4)))) [2021-08-29 16:15:51,396 INFO L854 garLoopResultBuilder]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2021-08-29 16:15:51,396 INFO L854 garLoopResultBuilder]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2021-08-29 16:15:51,396 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-08-29 16:15:51,396 INFO L854 garLoopResultBuilder]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2021-08-29 16:15:51,397 INFO L854 garLoopResultBuilder]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 547) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L861 garLoopResultBuilder]: At program point L540-1(lines 540 547) the Hoare annotation is: true [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 313) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 97 103) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L854 garLoopResultBuilder]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse5 .cse3))) [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 146) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 129 146) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L129-2(lines 129 146) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-08-29 16:15:51,397 INFO L854 garLoopResultBuilder]: At program point L97(lines 96 115) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse5 .cse3))) [2021-08-29 16:15:51,397 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 97 103) no Hoare annotation was computed. [2021-08-29 16:15:51,398 INFO L854 garLoopResultBuilder]: At program point L97-2(lines 96 115) the Hoare annotation is: false [2021-08-29 16:15:51,398 INFO L854 garLoopResultBuilder]: At program point L97-3(lines 96 115) the Hoare annotation is: false [2021-08-29 16:15:51,398 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 358) no Hoare annotation was computed. [2021-08-29 16:15:51,398 INFO L854 garLoopResultBuilder]: At program point L345-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse3 .cse4 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse4 .cse6))) [2021-08-29 16:15:51,398 INFO L858 garLoopResultBuilder]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2021-08-29 16:15:51,398 INFO L854 garLoopResultBuilder]: At program point L345-3(lines 1 927) the Hoare annotation is: false [2021-08-29 16:15:51,398 INFO L858 garLoopResultBuilder]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2021-08-29 16:15:51,398 INFO L854 garLoopResultBuilder]: At program point L345-5(lines 1 927) the Hoare annotation is: false [2021-08-29 16:15:51,398 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:15:51,398 INFO L858 garLoopResultBuilder]: For program point L924(line 924) no Hoare annotation was computed. [2021-08-29 16:15:51,398 INFO L858 garLoopResultBuilder]: For program point L924-1(line 924) no Hoare annotation was computed. [2021-08-29 16:15:51,398 INFO L858 garLoopResultBuilder]: For program point L924-2(line 924) no Hoare annotation was computed. [2021-08-29 16:15:51,398 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 172) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 141) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 133 141) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L166-2(lines 166 172) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L854 garLoopResultBuilder]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L133-2(lines 133 141) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L166-4(lines 166 172) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L447(lines 447 453) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 253) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L249-2(lines 249 253) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2021-08-29 16:15:51,399 INFO L858 garLoopResultBuilder]: For program point L249-5(lines 249 253) no Hoare annotation was computed. [2021-08-29 16:15:51,400 INFO L858 garLoopResultBuilder]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2021-08-29 16:15:51,400 INFO L858 garLoopResultBuilder]: For program point L249-8(lines 249 253) no Hoare annotation was computed. [2021-08-29 16:15:51,400 INFO L854 garLoopResultBuilder]: At program point L200(lines 195 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_activatePump_~tmp~1 0) (= 1 ~systemActive~0)) [2021-08-29 16:15:51,400 INFO L854 garLoopResultBuilder]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2021-08-29 16:15:51,400 INFO L854 garLoopResultBuilder]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2021-08-29 16:15:51,409 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:15:51,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:15:51 BoogieIcfgContainer [2021-08-29 16:15:51,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:15:51,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:15:51,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:15:51,461 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:15:51,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:44" (3/4) ... [2021-08-29 16:15:51,464 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:15:51,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:15:51,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:15:51,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:15:51,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:15:51,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:15:51,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:15:51,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:15:51,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-29 16:15:51,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) [2021-08-29 16:15:51,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-29 16:15:51,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) [2021-08-29 16:15:51,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-08-29 16:15:51,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) [2021-08-29 16:15:51,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-29 16:15:51,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive [2021-08-29 16:15:51,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) [2021-08-29 16:15:51,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && \result == 0) && !(tmp == 0)) [2021-08-29 16:15:51,577 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:15:51,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:15:51,578 INFO L158 Benchmark]: Toolchain (without parser) took 8271.95ms. Allocated memory was 58.7MB in the beginning and 111.1MB in the end (delta: 52.4MB). Free memory was 36.5MB in the beginning and 41.8MB in the end (delta: -5.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-08-29 16:15:51,578 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:15:51,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.43ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 35.1MB in the end (delta: 1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 16:15:51,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.38ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 31.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:15:51,579 INFO L158 Benchmark]: Boogie Preprocessor took 47.90ms. Allocated memory is still 58.7MB. Free memory was 31.6MB in the beginning and 29.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:15:51,580 INFO L158 Benchmark]: RCFGBuilder took 630.23ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 44.9MB in the end (delta: -15.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-08-29 16:15:51,580 INFO L158 Benchmark]: TraceAbstraction took 6931.34ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 44.4MB in the beginning and 51.3MB in the end (delta: -6.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-08-29 16:15:51,581 INFO L158 Benchmark]: Witness Printer took 116.09ms. Allocated memory is still 111.1MB. Free memory was 51.3MB in the beginning and 41.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 16:15:51,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.43ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 35.1MB in the end (delta: 1.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.38ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 31.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.90ms. Allocated memory is still 58.7MB. Free memory was 31.6MB in the beginning and 29.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.23ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 44.9MB in the end (delta: -15.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6931.34ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 44.4MB in the beginning and 51.3MB in the end (delta: -6.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 116.09ms. Allocated memory is still 111.1MB. Free memory was 51.3MB in the beginning and 41.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: 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: 6821.03ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 24.98ms, AutomataDifference: 3438.97ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 2000.15ms, InitialAbstractionConstructionTime: 14.09ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1366 SdHoareTripleChecker+Valid, 2798.62ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1366 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2161.61ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1800 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3091 IncrementalHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 0 mSDtfsCounter, 3091 mSolverCounterSat, 22.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 256.18ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=9, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 168.74ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 204 NumberOfFragments, 1061 HoareAnnotationTreeSize, 39 FomulaSimplifications, 189890 FormulaSimplificationTreeSizeReduction, 678.03ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 8055 FormulaSimplificationTreeSizeReductionInter, 1308.89ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 48.47ms SsaConstructionTime, 267.91ms SatisfiabilityAnalysisTime, 646.19ms InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && \result == 0) && !(tmp == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:15:51,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...