./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product47.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_spec2_product47.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 fed47f8471b5c81afa3edb58ddb4d4213a39ce3e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:14:59,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:14:59,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:15:00,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:15:00,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:15:00,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:15:00,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:15:00,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:15:00,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:15:00,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:15:00,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:15:00,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:15:00,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:15:00,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:15:00,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:15:00,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:15:00,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:15:00,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:15:00,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:15:00,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:15:00,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:15:00,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:15:00,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:15:00,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:15:00,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:15:00,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:15:00,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:15:00,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:15:00,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:15:00,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:15:00,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:15:00,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:15:00,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:15:00,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:15:00,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:15:00,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:15:00,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:15:00,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:15:00,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:15:00,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:15:00,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:15:00,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:15:00,133 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:15:00,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:15:00,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:15:00,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:15:00,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:15:00,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:15:00,137 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:15:00,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:15:00,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:15:00,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:15:00,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:15:00,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:15:00,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:15:00,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:15:00,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:15:00,139 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:15:00,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:15:00,139 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:15:00,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:15:00,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:15:00,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:15:00,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:15:00,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:15:00,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:15:00,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:15:00,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:15:00,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:15:00,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:15:00,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:15:00,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:15:00,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed47f8471b5c81afa3edb58ddb4d4213a39ce3e [2021-08-29 16:15:00,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:15:00,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:15:00,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:15:00,422 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:15:00,423 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:15:00,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-08-29 16:15:00,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/118689d5f/ca9845607c24454685600c68c7c45b47/FLAGeea6d516e [2021-08-29 16:15:00,965 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:15:00,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-08-29 16:15:00,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/118689d5f/ca9845607c24454685600c68c7c45b47/FLAGeea6d516e [2021-08-29 16:15:01,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/118689d5f/ca9845607c24454685600c68c7c45b47 [2021-08-29 16:15:01,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:15:01,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:15:01,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:15:01,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:15:01,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:15:01,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:01,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be67400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01, skipping insertion in model container [2021-08-29 16:15:01,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:01,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:15:01,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:15:01,632 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_spec2_product47.cil.c[1281,1294] [2021-08-29 16:15:01,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:15:01,811 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:15:01,826 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_spec2_product47.cil.c[1281,1294] [2021-08-29 16:15:01,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:15:01,897 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:15:01,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01 WrapperNode [2021-08-29 16:15:01,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:15:01,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:15:01,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:15:01,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:15:01,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:01,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:01,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:15:01,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:15:01,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:15:01,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:15:02,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:02,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:02,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:02,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:02,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:02,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:02,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:02,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:15:02,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:15:02,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:15:02,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:15:02,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (1/1) ... [2021-08-29 16:15:02,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:15:02,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:15:02,106 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 16:15:02,133 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 16:15:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:15:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:15:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:15:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:15:02,660 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:15:02,661 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-08-29 16:15:02,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:02 BoogieIcfgContainer [2021-08-29 16:15:02,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:15:02,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:15:02,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:15:02,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:15:02,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:15:01" (1/3) ... [2021-08-29 16:15:02,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ce879c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:15:02, skipping insertion in model container [2021-08-29 16:15:02,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:15:01" (2/3) ... [2021-08-29 16:15:02,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ce879c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:15:02, skipping insertion in model container [2021-08-29 16:15:02,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:02" (3/3) ... [2021-08-29 16:15:02,686 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2021-08-29 16:15:02,690 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:15:02,691 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:15:02,741 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:15:02,748 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 16:15:02,749 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:15:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 134 states have internal predecessors, (202), 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 16:15:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 16:15:02,772 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:02,773 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 16:15:02,774 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 16:15:02,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:02,778 INFO L82 PathProgramCache]: Analyzing trace with hash -986925596, now seen corresponding path program 1 times [2021-08-29 16:15:02,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:02,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027526476] [2021-08-29 16:15:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:02,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:03,044 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 16:15:03,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:03,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027526476] [2021-08-29 16:15:03,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027526476] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:03,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:03,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:03,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927127937] [2021-08-29 16:15:03,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:15:03,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:03,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:15:03,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:15:03,074 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 134 states have internal predecessors, (202), 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 16:15:03,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:03,374 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2021-08-29 16:15:03,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:15:03,376 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 16:15:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:03,383 INFO L225 Difference]: With dead ends: 263 [2021-08-29 16:15:03,391 INFO L226 Difference]: Without dead ends: 131 [2021-08-29 16:15:03,394 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 16:15:03,397 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 200.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 263.12ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:03,399 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 195 Unknown, 0 Unchecked, 1.08ms Time], IncrementalHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 263.12ms Time] [2021-08-29 16:15:03,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-08-29 16:15:03,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-08-29 16:15:03,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.484375) internal successors, (190), 130 states have internal predecessors, (190), 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 16:15:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2021-08-29 16:15:03,431 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2021-08-29 16:15:03,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:03,432 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2021-08-29 16:15:03,432 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 16:15:03,432 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2021-08-29 16:15:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:15:03,432 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:03,433 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 16:15:03,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:15:03,433 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 16:15:03,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:03,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1205761565, now seen corresponding path program 1 times [2021-08-29 16:15:03,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:03,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719374824] [2021-08-29 16:15:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:03,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:03,529 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 16:15:03,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:03,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719374824] [2021-08-29 16:15:03,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719374824] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:03,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:03,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:03,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988965020] [2021-08-29 16:15:03,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:03,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:03,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:03,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:03,534 INFO L87 Difference]: Start difference. First operand 131 states and 190 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 16:15:03,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:03,659 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2021-08-29 16:15:03,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:03,660 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 16:15:03,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:03,661 INFO L225 Difference]: With dead ends: 131 [2021-08-29 16:15:03,661 INFO L226 Difference]: Without dead ends: 55 [2021-08-29 16:15:03,661 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:03,662 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 71 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.63ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:03,663 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 0 Invalid, 85 Unknown, 0 Unchecked, 0.92ms Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 108.63ms Time] [2021-08-29 16:15:03,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-08-29 16:15:03,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-08-29 16:15:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 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 16:15:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-08-29 16:15:03,667 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-08-29 16:15:03,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:03,668 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-08-29 16:15:03,668 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 16:15:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-08-29 16:15:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:15:03,669 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:03,669 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 16:15:03,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:15:03,669 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 16:15:03,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:03,670 INFO L82 PathProgramCache]: Analyzing trace with hash 462208575, now seen corresponding path program 1 times [2021-08-29 16:15:03,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:03,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769713396] [2021-08-29 16:15:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:03,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:03,746 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 16:15:03,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:03,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769713396] [2021-08-29 16:15:03,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769713396] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:03,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:03,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:03,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919059832] [2021-08-29 16:15:03,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:03,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:03,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:03,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:03,748 INFO L87 Difference]: Start difference. First operand 55 states and 79 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 16:15:03,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:03,924 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-08-29 16:15:03,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:03,925 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 16:15:03,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:03,927 INFO L225 Difference]: With dead ends: 151 [2021-08-29 16:15:03,927 INFO L226 Difference]: Without dead ends: 103 [2021-08-29 16:15:03,927 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.57ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:03,928 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 61 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 151.09ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:03,929 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 0 Invalid, 151 Unknown, 0 Unchecked, 1.56ms Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 151.09ms Time] [2021-08-29 16:15:03,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-08-29 16:15:03,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2021-08-29 16:15:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.489795918367347) internal successors, (146), 98 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 16:15:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2021-08-29 16:15:03,936 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2021-08-29 16:15:03,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:03,936 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2021-08-29 16:15:03,942 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 16:15:03,942 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2021-08-29 16:15:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:15:03,943 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:03,943 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] [2021-08-29 16:15:03,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:15:03,944 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 16:15:03,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:03,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1540791297, now seen corresponding path program 1 times [2021-08-29 16:15:03,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:03,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410581884] [2021-08-29 16:15:03,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:03,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:03,997 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 16:15:03,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:03,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410581884] [2021-08-29 16:15:03,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410581884] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:03,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:03,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:03,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953268787] [2021-08-29 16:15:03,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:03,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:03,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:03,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:03,999 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:04,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:04,143 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2021-08-29 16:15:04,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:04,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-29 16:15:04,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:04,145 INFO L225 Difference]: With dead ends: 234 [2021-08-29 16:15:04,146 INFO L226 Difference]: Without dead ends: 142 [2021-08-29 16:15:04,147 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:04,156 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 47 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.73ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.94ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:04,157 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 0 Invalid, 126 Unknown, 0 Unchecked, 0.73ms Time], IncrementalHoareTripleChecker [9 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 125.94ms Time] [2021-08-29 16:15:04,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-08-29 16:15:04,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-08-29 16:15:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.4676258992805755) internal successors, (204), 139 states have internal predecessors, (204), 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 16:15:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2021-08-29 16:15:04,168 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2021-08-29 16:15:04,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:04,168 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2021-08-29 16:15:04,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:04,169 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2021-08-29 16:15:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-29 16:15:04,169 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:04,169 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] [2021-08-29 16:15:04,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:15:04,170 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 16:15:04,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:04,170 INFO L82 PathProgramCache]: Analyzing trace with hash 783716552, now seen corresponding path program 1 times [2021-08-29 16:15:04,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:04,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036176951] [2021-08-29 16:15:04,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:04,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:04,219 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 16:15:04,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:04,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036176951] [2021-08-29 16:15:04,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036176951] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:04,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:04,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:04,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162977272] [2021-08-29 16:15:04,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:04,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:04,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:04,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:04,221 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:04,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:04,650 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2021-08-29 16:15:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:15:04,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-08-29 16:15:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:04,653 INFO L225 Difference]: With dead ends: 685 [2021-08-29 16:15:04,653 INFO L226 Difference]: Without dead ends: 552 [2021-08-29 16:15:04,654 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 32.46ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:15:04,654 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 293 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 258.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.73ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 358.97ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:04,654 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 0 Invalid, 503 Unknown, 0 Unchecked, 4.73ms Time], IncrementalHoareTripleChecker [18 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 358.97ms Time] [2021-08-29 16:15:04,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2021-08-29 16:15:04,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2021-08-29 16:15:04,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.441860465116279) internal successors, (372), 258 states have internal predecessors, (372), 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 16:15:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2021-08-29 16:15:04,672 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2021-08-29 16:15:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:04,672 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2021-08-29 16:15:04,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2021-08-29 16:15:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 16:15:04,673 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:04,673 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] [2021-08-29 16:15:04,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:15:04,674 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 16:15:04,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:04,674 INFO L82 PathProgramCache]: Analyzing trace with hash -650428608, now seen corresponding path program 1 times [2021-08-29 16:15:04,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:04,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241772931] [2021-08-29 16:15:04,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:04,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:04,717 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 16:15:04,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:04,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241772931] [2021-08-29 16:15:04,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241772931] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:04,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:04,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:04,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539412873] [2021-08-29 16:15:04,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:04,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:04,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:04,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:04,723 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:05,115 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2021-08-29 16:15:05,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:15:05,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-29 16:15:05,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:05,119 INFO L225 Difference]: With dead ends: 997 [2021-08-29 16:15:05,119 INFO L226 Difference]: Without dead ends: 745 [2021-08-29 16:15:05,120 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 20.79ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:15:05,121 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 270 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 251.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.38ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 331.20ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:05,121 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 0 Invalid, 558 Unknown, 0 Unchecked, 2.38ms Time], IncrementalHoareTripleChecker [7 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 331.20ms Time] [2021-08-29 16:15:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2021-08-29 16:15:05,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2021-08-29 16:15:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.4296875) internal successors, (366), 256 states have internal predecessors, (366), 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 16:15:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2021-08-29 16:15:05,148 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2021-08-29 16:15:05,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:05,148 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2021-08-29 16:15:05,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2021-08-29 16:15:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 16:15:05,150 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:05,150 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 16:15:05,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:15:05,150 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 16:15:05,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:05,151 INFO L82 PathProgramCache]: Analyzing trace with hash -862410324, now seen corresponding path program 1 times [2021-08-29 16:15:05,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:05,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247973808] [2021-08-29 16:15:05,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:05,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:05,193 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 16:15:05,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:05,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247973808] [2021-08-29 16:15:05,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247973808] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:05,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:05,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:15:05,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757010231] [2021-08-29 16:15:05,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:15:05,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:05,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:15:05,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:05,196 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:05,494 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2021-08-29 16:15:05,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:15:05,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-29 16:15:05,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:05,496 INFO L225 Difference]: With dead ends: 687 [2021-08-29 16:15:05,496 INFO L226 Difference]: Without dead ends: 437 [2021-08-29 16:15:05,497 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.71ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:15:05,498 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 126 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 185.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 244.43ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:05,498 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 0 Invalid, 406 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [6 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 244.43ms Time] [2021-08-29 16:15:05,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-08-29 16:15:05,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2021-08-29 16:15:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.3928571428571428) internal successors, (390), 280 states have internal predecessors, (390), 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 16:15:05,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2021-08-29 16:15:05,522 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2021-08-29 16:15:05,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:05,523 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2021-08-29 16:15:05,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:15:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2021-08-29 16:15:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 16:15:05,525 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:05,525 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 16:15:05,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:15:05,526 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 16:15:05,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:05,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1873527574, now seen corresponding path program 1 times [2021-08-29 16:15:05,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:05,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012794375] [2021-08-29 16:15:05,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:05,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:05,602 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 16:15:05,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:05,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012794375] [2021-08-29 16:15:05,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012794375] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:05,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:05,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:15:05,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206368173] [2021-08-29 16:15:05,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:15:05,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:05,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:15:05,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:15:05,605 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 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 16:15:05,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:05,805 INFO L93 Difference]: Finished difference Result 675 states and 927 transitions. [2021-08-29 16:15:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:15:05,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 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 16:15:05,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:05,808 INFO L225 Difference]: With dead ends: 675 [2021-08-29 16:15:05,808 INFO L226 Difference]: Without dead ends: 401 [2021-08-29 16:15:05,808 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.32ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:15:05,809 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 76 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 169.45ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:05,810 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 0 Invalid, 267 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [3 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 169.45ms Time] [2021-08-29 16:15:05,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-08-29 16:15:05,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 297. [2021-08-29 16:15:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.3716216216216217) internal successors, (406), 296 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 16:15:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2021-08-29 16:15:05,827 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2021-08-29 16:15:05,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:05,827 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2021-08-29 16:15:05,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 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 16:15:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2021-08-29 16:15:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 16:15:05,830 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:05,830 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 16:15:05,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:15:05,830 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 16:15:05,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:05,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1400371368, now seen corresponding path program 1 times [2021-08-29 16:15:05,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:05,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166051502] [2021-08-29 16:15:05,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:05,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:05,874 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 16:15:05,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:05,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166051502] [2021-08-29 16:15:05,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166051502] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:05,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:05,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:15:05,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742737614] [2021-08-29 16:15:05,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:05,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:05,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:05,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:05,876 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 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 16:15:06,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:06,014 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2021-08-29 16:15:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:06,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 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 16:15:06,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:06,016 INFO L225 Difference]: With dead ends: 691 [2021-08-29 16:15:06,017 INFO L226 Difference]: Without dead ends: 401 [2021-08-29 16:15:06,017 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:06,019 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 21 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.40ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.74ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:06,019 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 0 Invalid, 150 Unknown, 0 Unchecked, 0.40ms Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 114.74ms Time] [2021-08-29 16:15:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-08-29 16:15:06,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2021-08-29 16:15:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.33) internal successors, (532), 400 states have internal predecessors, (532), 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 16:15:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2021-08-29 16:15:06,046 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2021-08-29 16:15:06,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:06,046 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2021-08-29 16:15:06,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 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 16:15:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2021-08-29 16:15:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-29 16:15:06,048 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:06,048 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, 1] [2021-08-29 16:15:06,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:15:06,049 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 16:15:06,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:06,049 INFO L82 PathProgramCache]: Analyzing trace with hash -74107416, now seen corresponding path program 1 times [2021-08-29 16:15:06,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:06,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465482664] [2021-08-29 16:15:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:06,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:06,116 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 16:15:06,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:06,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465482664] [2021-08-29 16:15:06,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465482664] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:06,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:06,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:15:06,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053876474] [2021-08-29 16:15:06,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:15:06,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:06,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:15:06,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:06,119 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 16:15:06,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:06,682 INFO L93 Difference]: Finished difference Result 1436 states and 1911 transitions. [2021-08-29 16:15:06,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-29 16:15:06,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 37 [2021-08-29 16:15:06,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:06,693 INFO L225 Difference]: With dead ends: 1436 [2021-08-29 16:15:06,693 INFO L226 Difference]: Without dead ends: 1042 [2021-08-29 16:15:06,694 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 44.50ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-08-29 16:15:06,695 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 447 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 362.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 463.90ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:06,696 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 0 Invalid, 882 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [16 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 463.90ms Time] [2021-08-29 16:15:06,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-08-29 16:15:06,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 401. [2021-08-29 16:15:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.305) internal successors, (522), 400 states have internal predecessors, (522), 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 16:15:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2021-08-29 16:15:06,728 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2021-08-29 16:15:06,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:06,728 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2021-08-29 16:15:06,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 16:15:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2021-08-29 16:15:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-29 16:15:06,730 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:06,730 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2021-08-29 16:15:06,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 16:15:06,731 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 16:15:06,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:06,731 INFO L82 PathProgramCache]: Analyzing trace with hash 805243324, now seen corresponding path program 1 times [2021-08-29 16:15:06,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:06,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10264668] [2021-08-29 16:15:06,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:06,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-29 16:15:06,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:06,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10264668] [2021-08-29 16:15:06,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10264668] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:06,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:06,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:15:06,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508613043] [2021-08-29 16:15:06,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:15:06,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:06,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:15:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:06,765 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 16:15:06,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:06,900 INFO L93 Difference]: Finished difference Result 489 states and 635 transitions. [2021-08-29 16:15:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:15:06,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 54 [2021-08-29 16:15:06,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:06,901 INFO L225 Difference]: With dead ends: 489 [2021-08-29 16:15:06,901 INFO L226 Difference]: Without dead ends: 200 [2021-08-29 16:15:06,902 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:15:06,902 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 25 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.28ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:06,903 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 0 Invalid, 172 Unknown, 0 Unchecked, 0.38ms Time], IncrementalHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 118.28ms Time] [2021-08-29 16:15:06,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-08-29 16:15:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-08-29 16:15:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.256281407035176) internal successors, (250), 199 states have internal predecessors, (250), 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 16:15:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 250 transitions. [2021-08-29 16:15:06,911 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 250 transitions. Word has length 54 [2021-08-29 16:15:06,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:06,911 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 250 transitions. [2021-08-29 16:15:06,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 16:15:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 250 transitions. [2021-08-29 16:15:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-29 16:15:06,912 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:15:06,912 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2021-08-29 16:15:06,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 16:15:06,912 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:15:06,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:15:06,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1122601091, now seen corresponding path program 1 times [2021-08-29 16:15:06,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:15:06,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579903735] [2021-08-29 16:15:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:15:06,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:15:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:15:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 16:15:06,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:15:06,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579903735] [2021-08-29 16:15:06,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579903735] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:15:06,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:15:06,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:15:06,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17075370] [2021-08-29 16:15:06,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:15:06,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:15:06,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:15:06,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:15:06,966 INFO L87 Difference]: Start difference. First operand 200 states and 250 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 16:15:07,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:15:07,417 INFO L93 Difference]: Finished difference Result 499 states and 622 transitions. [2021-08-29 16:15:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-29 16:15:07,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 56 [2021-08-29 16:15:07,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:15:07,417 INFO L225 Difference]: With dead ends: 499 [2021-08-29 16:15:07,418 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:15:07,418 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 43.51ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-08-29 16:15:07,419 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 199 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 296.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.78ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 378.29ms IncrementalHoareTripleChecker+Time [2021-08-29 16:15:07,419 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 0 Invalid, 728 Unknown, 0 Unchecked, 2.78ms Time], IncrementalHoareTripleChecker [8 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 378.29ms Time] [2021-08-29 16:15:07,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:15:07,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:15:07,419 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 16:15:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:15:07,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-08-29 16:15:07,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:15:07,419 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:15:07,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 16:15:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:15:07,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:15:07,421 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:15:07,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:15:07,422 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:15:07,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 16:15:07,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:15:07,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:07,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:08,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:15:10,926 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:15:10,926 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 935) no Hoare annotation was computed. [2021-08-29 16:15:10,926 INFO L854 garLoopResultBuilder]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse5 .cse4 .cse6 .cse8) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse7))) [2021-08-29 16:15:10,926 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 781) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L764-1(lines 764 781) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L764-2(lines 764 781) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L854 garLoopResultBuilder]: At program point L897-1(lines 897 903) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1)))) [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L800(lines 800 806) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L800-6(lines 800 806) no Hoare annotation was computed. [2021-08-29 16:15:10,927 INFO L858 garLoopResultBuilder]: For program point L800-8(lines 800 806) no Hoare annotation was computed. [2021-08-29 16:15:10,928 INFO L858 garLoopResultBuilder]: For program point L800-10(lines 800 806) no Hoare annotation was computed. [2021-08-29 16:15:10,928 INFO L854 garLoopResultBuilder]: At program point L834(lines 829 837) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0) .cse4))) [2021-08-29 16:15:10,928 INFO L854 garLoopResultBuilder]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2021-08-29 16:15:10,928 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 776) no Hoare annotation was computed. [2021-08-29 16:15:10,928 INFO L854 garLoopResultBuilder]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2021-08-29 16:15:10,928 INFO L858 garLoopResultBuilder]: For program point L768-1(lines 768 776) no Hoare annotation was computed. [2021-08-29 16:15:10,928 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2021-08-29 16:15:10,928 INFO L854 garLoopResultBuilder]: At program point L967(lines 918 968) the Hoare annotation is: false [2021-08-29 16:15:10,928 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:15:10,929 INFO L854 garLoopResultBuilder]: At program point L76(lines 1 974) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:10,929 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 755) no Hoare annotation was computed. [2021-08-29 16:15:10,929 INFO L858 garLoopResultBuilder]: For program point L738-1(lines 738 755) no Hoare annotation was computed. [2021-08-29 16:15:10,929 INFO L858 garLoopResultBuilder]: For program point L738-2(lines 738 755) no Hoare annotation was computed. [2021-08-29 16:15:10,929 INFO L858 garLoopResultBuilder]: For program point L738-3(lines 738 755) no Hoare annotation was computed. [2021-08-29 16:15:10,929 INFO L858 garLoopResultBuilder]: For program point L738-4(lines 738 755) no Hoare annotation was computed. [2021-08-29 16:15:10,929 INFO L858 garLoopResultBuilder]: For program point L738-5(lines 738 755) no Hoare annotation was computed. [2021-08-29 16:15:10,929 INFO L858 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2021-08-29 16:15:10,929 INFO L854 garLoopResultBuilder]: At program point L474-1(lines 1 974) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse5 .cse4 .cse6 .cse8) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse7))) [2021-08-29 16:15:10,930 INFO L858 garLoopResultBuilder]: For program point L474-2(lines 474 491) no Hoare annotation was computed. [2021-08-29 16:15:10,930 INFO L854 garLoopResultBuilder]: At program point L474-3(lines 1 974) the Hoare annotation is: false [2021-08-29 16:15:10,930 INFO L858 garLoopResultBuilder]: For program point L474-4(lines 474 491) no Hoare annotation was computed. [2021-08-29 16:15:10,930 INFO L854 garLoopResultBuilder]: At program point L474-5(lines 1 974) the Hoare annotation is: false [2021-08-29 16:15:10,930 INFO L854 garLoopResultBuilder]: At program point L706(lines 705 724) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-29 16:15:10,930 INFO L858 garLoopResultBuilder]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2021-08-29 16:15:10,930 INFO L854 garLoopResultBuilder]: At program point L706-2(lines 705 724) the Hoare annotation is: false [2021-08-29 16:15:10,930 INFO L854 garLoopResultBuilder]: At program point L706-3(lines 705 724) the Hoare annotation is: false [2021-08-29 16:15:10,930 INFO L854 garLoopResultBuilder]: At program point L508-2(lines 508 522) the Hoare annotation is: false [2021-08-29 16:15:10,931 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-29 16:15:10,931 INFO L858 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-29 16:15:10,931 INFO L858 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-29 16:15:10,931 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 612) no Hoare annotation was computed. [2021-08-29 16:15:10,931 INFO L858 garLoopResultBuilder]: For program point L608-3(lines 608 612) no Hoare annotation was computed. [2021-08-29 16:15:10,931 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-08-29 16:15:10,931 INFO L858 garLoopResultBuilder]: For program point L608-6(lines 608 612) no Hoare annotation was computed. [2021-08-29 16:15:10,931 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-08-29 16:15:10,931 INFO L854 garLoopResultBuilder]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 750) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L742-1(lines 742 750) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L742-2(lines 742 750) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L742-3(lines 742 750) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L742-4(lines 742 750) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L742-5(lines 742 750) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L478-4(lines 478 488) no Hoare annotation was computed. [2021-08-29 16:15:10,932 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 516) no Hoare annotation was computed. [2021-08-29 16:15:10,933 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2021-08-29 16:15:10,933 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 706 712) no Hoare annotation was computed. [2021-08-29 16:15:10,933 INFO L858 garLoopResultBuilder]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2021-08-29 16:15:10,933 INFO L858 garLoopResultBuilder]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2021-08-29 16:15:10,933 INFO L854 garLoopResultBuilder]: At program point L645(lines 640 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-29 16:15:10,933 INFO L854 garLoopResultBuilder]: At program point L645-1(lines 640 648) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:15:10,933 INFO L854 garLoopResultBuilder]: At program point L645-2(lines 640 648) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-29 16:15:10,933 INFO L854 garLoopResultBuilder]: At program point L645-3(lines 640 648) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse4 .cse3 .cse5 .cse7) (and .cse0 .cse4 .cse1 .cse2 .cse6))) [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L645-4(lines 640 648) the Hoare annotation is: false [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L645-5(lines 640 648) the Hoare annotation is: false [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L645-6(lines 640 648) the Hoare annotation is: false [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L645-7(lines 640 648) the Hoare annotation is: false [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L645-8(lines 640 648) the Hoare annotation is: false [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L645-9(lines 640 648) the Hoare annotation is: false [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L645-10(lines 640 648) the Hoare annotation is: false [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L645-11(lines 640 648) the Hoare annotation is: false [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:10,934 INFO L854 garLoopResultBuilder]: At program point L713(lines 713 719) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 .cse4 .cse5) (and .cse0 .cse1 .cse5 .cse2))) [2021-08-29 16:15:10,935 INFO L854 garLoopResultBuilder]: At program point L713-1(lines 713 719) the Hoare annotation is: false [2021-08-29 16:15:10,935 INFO L854 garLoopResultBuilder]: At program point L713-2(lines 713 719) the Hoare annotation is: false [2021-08-29 16:15:10,935 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:15:10,935 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 591) no Hoare annotation was computed. [2021-08-29 16:15:10,935 INFO L861 garLoopResultBuilder]: At program point L584-1(lines 584 591) the Hoare annotation is: true [2021-08-29 16:15:10,935 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 962) no Hoare annotation was computed. [2021-08-29 16:15:10,935 INFO L858 garLoopResultBuilder]: For program point L883(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,935 INFO L858 garLoopResultBuilder]: For program point L883-2(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,935 INFO L858 garLoopResultBuilder]: For program point L883-3(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L883-5(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 691) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L883-6(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L883-8(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L685-3(lines 685 691) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L883-9(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L883-11(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,936 INFO L858 garLoopResultBuilder]: For program point L685-5(lines 685 691) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point L883-12(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point L883-14(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point L883-15(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point L883-17(lines 883 887) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point L620(lines 620 624) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point L920(lines 919 966) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L858 garLoopResultBuilder]: For program point L921(lines 921 925) no Hoare annotation was computed. [2021-08-29 16:15:10,937 INFO L854 garLoopResultBuilder]: At program point L690(lines 681 694) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:15:10,938 INFO L854 garLoopResultBuilder]: At program point L690-1(lines 681 694) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1)))) [2021-08-29 16:15:10,938 INFO L854 garLoopResultBuilder]: At program point L690-2(lines 681 694) the Hoare annotation is: false [2021-08-29 16:15:10,938 INFO L854 garLoopResultBuilder]: At program point L690-3(lines 681 694) the Hoare annotation is: false [2021-08-29 16:15:10,938 INFO L854 garLoopResultBuilder]: At program point L690-4(lines 681 694) the Hoare annotation is: false [2021-08-29 16:15:10,938 INFO L854 garLoopResultBuilder]: At program point L690-5(lines 681 694) the Hoare annotation is: false [2021-08-29 16:15:10,938 INFO L858 garLoopResultBuilder]: For program point L955(lines 955 961) no Hoare annotation was computed. [2021-08-29 16:15:10,938 INFO L854 garLoopResultBuilder]: At program point L955-1(lines 706 712) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse5 .cse2))) [2021-08-29 16:15:10,938 INFO L854 garLoopResultBuilder]: At program point L889(lines 874 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:15:10,938 INFO L854 garLoopResultBuilder]: At program point L889-1(lines 874 892) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1)))) [2021-08-29 16:15:10,939 INFO L854 garLoopResultBuilder]: At program point L889-2(lines 874 892) the Hoare annotation is: false [2021-08-29 16:15:10,939 INFO L854 garLoopResultBuilder]: At program point L889-3(lines 874 892) the Hoare annotation is: false [2021-08-29 16:15:10,939 INFO L854 garLoopResultBuilder]: At program point L889-4(lines 874 892) the Hoare annotation is: false [2021-08-29 16:15:10,939 INFO L854 garLoopResultBuilder]: At program point L889-5(lines 874 892) the Hoare annotation is: false [2021-08-29 16:15:10,939 INFO L854 garLoopResultBuilder]: At program point L559(lines 555 561) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:10,939 INFO L861 garLoopResultBuilder]: At program point L593(lines 574 596) the Hoare annotation is: true [2021-08-29 16:15:10,939 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:15:10,939 INFO L854 garLoopResultBuilder]: At program point L825(lines 818 828) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-29 16:15:10,939 INFO L854 garLoopResultBuilder]: At program point L825-1(lines 818 828) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:15:10,940 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:15:10,940 INFO L854 garLoopResultBuilder]: At program point L825-2(lines 818 828) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-08-29 16:15:10,940 INFO L854 garLoopResultBuilder]: At program point L825-3(lines 818 828) the Hoare annotation is: false [2021-08-29 16:15:10,940 INFO L854 garLoopResultBuilder]: At program point L825-4(lines 818 828) the Hoare annotation is: false [2021-08-29 16:15:10,940 INFO L854 garLoopResultBuilder]: At program point L825-5(lines 818 828) the Hoare annotation is: false [2021-08-29 16:15:10,940 INFO L854 garLoopResultBuilder]: At program point L825-6(lines 818 828) the Hoare annotation is: false [2021-08-29 16:15:10,940 INFO L854 garLoopResultBuilder]: At program point L825-7(lines 818 828) the Hoare annotation is: false [2021-08-29 16:15:10,940 INFO L854 garLoopResultBuilder]: At program point L825-8(lines 818 828) the Hoare annotation is: false [2021-08-29 16:15:10,940 INFO L854 garLoopResultBuilder]: At program point L463(lines 458 465) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:15:10,943 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:15:10,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:15:10 BoogieIcfgContainer [2021-08-29 16:15:10,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:15:10,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:15:10,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:15:10,964 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:15:10,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:15:02" (3/4) ... [2021-08-29 16:15:10,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:15:10,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:15:10,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:15:10,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:15:10,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:15:10,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:15:10,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:15:10,982 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:15:10,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) [2021-08-29 16:15:10,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) [2021-08-29 16:15:10,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-08-29 16:15:10,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) [2021-08-29 16:15:10,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-29 16:15:10,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-29 16:15:10,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) [2021-08-29 16:15:11,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-29 16:15:11,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-08-29 16:15:11,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-29 16:15:11,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) [2021-08-29 16:15:11,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-29 16:15:11,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-29 16:15:11,046 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:15:11,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:15:11,047 INFO L158 Benchmark]: Toolchain (without parser) took 9587.65ms. Allocated memory was 54.5MB in the beginning and 151.0MB in the end (delta: 96.5MB). Free memory was 30.9MB in the beginning and 46.3MB in the end (delta: -15.5MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,047 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.3MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:15:11,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.55ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.7MB in the beginning and 47.5MB in the end (delta: -16.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.14ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 43.2MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,048 INFO L158 Benchmark]: Boogie Preprocessor took 65.70ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 40.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,048 INFO L158 Benchmark]: RCFGBuilder took 609.79ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 33.5MB in the end (delta: 6.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,049 INFO L158 Benchmark]: TraceAbstraction took 8282.66ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 51.7MB in the beginning and 57.9MB in the end (delta: -6.2MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,049 INFO L158 Benchmark]: Witness Printer took 82.54ms. Allocated memory is still 151.0MB. Free memory was 57.9MB in the beginning and 46.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 16:15:11,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.3MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.55ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.7MB in the beginning and 47.5MB in the end (delta: -16.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.14ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 43.2MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.70ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 40.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.79ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 33.5MB in the end (delta: 6.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8282.66ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 51.7MB in the beginning and 57.9MB in the end (delta: -6.2MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. * Witness Printer took 82.54ms. Allocated memory is still 151.0MB. Free memory was 57.9MB in the beginning and 46.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8204.28ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 22.06ms, AutomataDifference: 3480.97ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 3503.86ms, InitialAbstractionConstructionTime: 13.06ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1636 SdHoareTripleChecker+Valid, 2828.04ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1636 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2130.59ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2382 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4155 IncrementalHoareTripleChecker+Invalid, 4223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 0 mSDtfsCounter, 4155 mSolverCounterSat, 20.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 173.91ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 191.52ms AutomataMinimizationTime, 12 MinimizatonAttempts, 1688 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 241 NumberOfFragments, 821 HoareAnnotationTreeSize, 57 FomulaSimplifications, 451090 FormulaSimplificationTreeSizeReduction, 983.75ms HoareSimplificationTime, 57 FomulaSimplificationsInter, 71107 FormulaSimplificationTreeSizeReductionInter, 2504.40ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 40.25ms SsaConstructionTime, 245.08ms SatisfiabilityAnalysisTime, 501.37ms InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 385 ConstructedInterpolants, 0 QuantifiedInterpolants, 653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 27/27 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: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) || ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) RESULT: Ultimate proved your program to be correct! [2021-08-29 16:15:11,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...