./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_product40.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 a9be1523a6442e0af65427f45826a4bf64f55b34 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:05:29,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:29,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:29,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:29,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:29,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:29,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:29,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:29,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:29,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:29,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:29,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:29,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:29,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:29,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:29,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:29,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:29,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:29,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:29,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:29,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:29,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:29,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:29,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:29,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:29,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:29,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:29,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:29,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:29,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:29,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:29,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:29,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:29,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:29,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:29,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:29,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:29,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:29,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:29,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:29,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:29,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:29,623 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:29,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:29,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:29,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:29,625 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:29,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:29,625 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:29,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:29,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:29,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:29,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:29,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:29,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:29,627 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:29,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:29,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:29,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:29,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:29,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:29,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:29,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:29,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:29,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:29,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:29,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:29,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:29,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:29,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:29,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:29,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9be1523a6442e0af65427f45826a4bf64f55b34 [2020-10-25 23:05:30,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:30,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:30,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:30,155 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:30,158 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:30,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-10-25 23:05:30,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52633ac0/ead276675a4c4a8e8acf105afc0df833/FLAG032885870 [2020-10-25 23:05:30,972 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:30,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-10-25 23:05:30,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52633ac0/ead276675a4c4a8e8acf105afc0df833/FLAG032885870 [2020-10-25 23:05:31,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52633ac0/ead276675a4c4a8e8acf105afc0df833 [2020-10-25 23:05:31,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:31,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:31,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:31,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:31,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:31,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:31,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d2eda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31, skipping insertion in model container [2020-10-25 23:05:31,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:31,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:31,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:31,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:31,690 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:31,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:31,906 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:31,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31 WrapperNode [2020-10-25 23:05:31,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:31,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:31,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:31,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:31,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:31,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:32,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:32,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:32,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:32,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:32,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:32,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:32,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:32,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:32,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:32,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:32,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... [2020-10-25 23:05:32,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:32,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:32,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:32,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:32,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:33,234 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:33,235 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-10-25 23:05:33,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:33 BoogieIcfgContainer [2020-10-25 23:05:33,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:33,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:33,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:33,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:33,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:31" (1/3) ... [2020-10-25 23:05:33,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5039f135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:33, skipping insertion in model container [2020-10-25 23:05:33,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:31" (2/3) ... [2020-10-25 23:05:33,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5039f135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:33, skipping insertion in model container [2020-10-25 23:05:33,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:33" (3/3) ... [2020-10-25 23:05:33,247 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-10-25 23:05:33,260 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:33,267 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:33,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:33,323 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:33,325 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:33,325 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:33,325 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:33,325 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:33,326 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:33,326 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:33,326 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-10-25 23:05:33,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:33,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:33,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:33,365 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:33,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:33,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1047113476, now seen corresponding path program 1 times [2020-10-25 23:05:33,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:33,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844656605] [2020-10-25 23:05:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:33,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844656605] [2020-10-25 23:05:33,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:33,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:33,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375716576] [2020-10-25 23:05:33,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:33,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:33,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:33,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:33,756 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-10-25 23:05:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:33,793 INFO L93 Difference]: Finished difference Result 230 states and 351 transitions. [2020-10-25 23:05:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:33,795 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:33,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:33,808 INFO L225 Difference]: With dead ends: 230 [2020-10-25 23:05:33,808 INFO L226 Difference]: Without dead ends: 113 [2020-10-25 23:05:33,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:33,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-25 23:05:33,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-25 23:05:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-25 23:05:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2020-10-25 23:05:33,864 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2020-10-25 23:05:33,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:33,865 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2020-10-25 23:05:33,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2020-10-25 23:05:33,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:33,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:33,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:33,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:33,868 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:33,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:33,869 INFO L82 PathProgramCache]: Analyzing trace with hash 828277507, now seen corresponding path program 1 times [2020-10-25 23:05:33,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:33,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756369901] [2020-10-25 23:05:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:33,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756369901] [2020-10-25 23:05:33,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:33,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:33,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822831137] [2020-10-25 23:05:33,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:33,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:33,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:33,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:33,995 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2020-10-25 23:05:34,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:34,010 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2020-10-25 23:05:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:34,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:34,012 INFO L225 Difference]: With dead ends: 113 [2020-10-25 23:05:34,012 INFO L226 Difference]: Without dead ends: 49 [2020-10-25 23:05:34,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:34,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-25 23:05:34,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-25 23:05:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-25 23:05:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-10-25 23:05:34,024 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-10-25 23:05:34,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:34,024 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-10-25 23:05:34,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-10-25 23:05:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:34,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:34,026 INFO L422 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] [2020-10-25 23:05:34,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:34,027 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:34,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:34,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2020-10-25 23:05:34,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:34,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492395273] [2020-10-25 23:05:34,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:34,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492395273] [2020-10-25 23:05:34,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:34,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:34,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187449564] [2020-10-25 23:05:34,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:34,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:34,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:34,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:34,151 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-10-25 23:05:34,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:34,235 INFO L93 Difference]: Finished difference Result 115 states and 171 transitions. [2020-10-25 23:05:34,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:34,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:05:34,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:34,237 INFO L225 Difference]: With dead ends: 115 [2020-10-25 23:05:34,237 INFO L226 Difference]: Without dead ends: 73 [2020-10-25 23:05:34,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:34,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-25 23:05:34,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-10-25 23:05:34,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-25 23:05:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2020-10-25 23:05:34,250 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2020-10-25 23:05:34,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:34,250 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2020-10-25 23:05:34,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2020-10-25 23:05:34,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:34,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:34,252 INFO L422 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] [2020-10-25 23:05:34,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:34,253 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:34,254 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2020-10-25 23:05:34,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:34,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007365153] [2020-10-25 23:05:34,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:34,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007365153] [2020-10-25 23:05:34,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:34,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:34,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614984507] [2020-10-25 23:05:34,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:34,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:34,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:34,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:34,356 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand 3 states. [2020-10-25 23:05:34,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:34,432 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2020-10-25 23:05:34,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:34,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-25 23:05:34,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:34,435 INFO L225 Difference]: With dead ends: 153 [2020-10-25 23:05:34,435 INFO L226 Difference]: Without dead ends: 91 [2020-10-25 23:05:34,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-25 23:05:34,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2020-10-25 23:05:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-25 23:05:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2020-10-25 23:05:34,463 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2020-10-25 23:05:34,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:34,464 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2020-10-25 23:05:34,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2020-10-25 23:05:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-25 23:05:34,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:34,467 INFO L422 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] [2020-10-25 23:05:34,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:34,468 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:34,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:34,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2020-10-25 23:05:34,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:34,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783654759] [2020-10-25 23:05:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:34,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783654759] [2020-10-25 23:05:34,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:34,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:34,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842178544] [2020-10-25 23:05:34,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:34,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:34,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:34,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:34,639 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand 5 states. [2020-10-25 23:05:34,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:34,766 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2020-10-25 23:05:34,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:34,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-25 23:05:34,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:34,770 INFO L225 Difference]: With dead ends: 420 [2020-10-25 23:05:34,771 INFO L226 Difference]: Without dead ends: 338 [2020-10-25 23:05:34,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:34,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-10-25 23:05:34,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2020-10-25 23:05:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-25 23:05:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2020-10-25 23:05:34,809 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2020-10-25 23:05:34,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:34,810 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2020-10-25 23:05:34,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2020-10-25 23:05:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-25 23:05:34,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:34,815 INFO L422 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] [2020-10-25 23:05:34,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:34,815 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:34,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:34,815 INFO L82 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2020-10-25 23:05:34,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:34,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803749726] [2020-10-25 23:05:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:34,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803749726] [2020-10-25 23:05:34,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:34,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:34,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21612483] [2020-10-25 23:05:34,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:34,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:34,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:34,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:34,883 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand 5 states. [2020-10-25 23:05:35,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:35,030 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2020-10-25 23:05:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 23:05:35,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-25 23:05:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:35,034 INFO L225 Difference]: With dead ends: 589 [2020-10-25 23:05:35,034 INFO L226 Difference]: Without dead ends: 436 [2020-10-25 23:05:35,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 23:05:35,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-10-25 23:05:35,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2020-10-25 23:05:35,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-25 23:05:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2020-10-25 23:05:35,057 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2020-10-25 23:05:35,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:35,057 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2020-10-25 23:05:35,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2020-10-25 23:05:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:05:35,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:35,059 INFO L422 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] [2020-10-25 23:05:35,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:05:35,059 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:35,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:35,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2020-10-25 23:05:35,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:35,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865783955] [2020-10-25 23:05:35,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:35,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865783955] [2020-10-25 23:05:35,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:35,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:35,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079804563] [2020-10-25 23:05:35,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:35,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:35,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:35,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:35,117 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand 5 states. [2020-10-25 23:05:35,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:35,201 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2020-10-25 23:05:35,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:35,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-25 23:05:35,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:35,204 INFO L225 Difference]: With dead ends: 471 [2020-10-25 23:05:35,204 INFO L226 Difference]: Without dead ends: 320 [2020-10-25 23:05:35,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:35,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-10-25 23:05:35,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2020-10-25 23:05:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-25 23:05:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2020-10-25 23:05:35,231 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2020-10-25 23:05:35,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:35,232 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2020-10-25 23:05:35,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:35,232 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2020-10-25 23:05:35,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:05:35,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:35,234 INFO L422 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] [2020-10-25 23:05:35,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:05:35,234 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:35,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:35,235 INFO L82 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2020-10-25 23:05:35,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:35,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131388435] [2020-10-25 23:05:35,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:35,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131388435] [2020-10-25 23:05:35,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:35,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:35,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982306680] [2020-10-25 23:05:35,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:35,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:35,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:35,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:35,307 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 6 states. [2020-10-25 23:05:35,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:35,421 INFO L93 Difference]: Finished difference Result 505 states and 687 transitions. [2020-10-25 23:05:35,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:05:35,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-10-25 23:05:35,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:35,428 INFO L225 Difference]: With dead ends: 505 [2020-10-25 23:05:35,428 INFO L226 Difference]: Without dead ends: 342 [2020-10-25 23:05:35,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-25 23:05:35,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-25 23:05:35,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 178. [2020-10-25 23:05:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-25 23:05:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2020-10-25 23:05:35,463 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2020-10-25 23:05:35,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:35,463 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2020-10-25 23:05:35,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:35,463 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2020-10-25 23:05:35,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:05:35,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:35,471 INFO L422 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] [2020-10-25 23:05:35,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:05:35,471 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:35,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:35,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2020-10-25 23:05:35,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:35,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814087455] [2020-10-25 23:05:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:35,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814087455] [2020-10-25 23:05:35,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:35,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:35,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786970824] [2020-10-25 23:05:35,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:35,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:35,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:35,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:35,562 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand 3 states. [2020-10-25 23:05:35,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:35,634 INFO L93 Difference]: Finished difference Result 437 states and 591 transitions. [2020-10-25 23:05:35,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:35,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-25 23:05:35,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:35,636 INFO L225 Difference]: With dead ends: 437 [2020-10-25 23:05:35,637 INFO L226 Difference]: Without dead ends: 266 [2020-10-25 23:05:35,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-25 23:05:35,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-25 23:05:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-25 23:05:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 351 transitions. [2020-10-25 23:05:35,675 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 351 transitions. Word has length 33 [2020-10-25 23:05:35,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:35,675 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 351 transitions. [2020-10-25 23:05:35,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 351 transitions. [2020-10-25 23:05:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-25 23:05:35,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:35,678 INFO L422 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] [2020-10-25 23:05:35,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:05:35,679 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:35,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:35,679 INFO L82 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2020-10-25 23:05:35,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:35,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541427535] [2020-10-25 23:05:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:35,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541427535] [2020-10-25 23:05:35,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:35,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:35,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540889287] [2020-10-25 23:05:35,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:35,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:35,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:35,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:35,791 INFO L87 Difference]: Start difference. First operand 266 states and 351 transitions. Second operand 3 states. [2020-10-25 23:05:35,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:35,859 INFO L93 Difference]: Finished difference Result 381 states and 504 transitions. [2020-10-25 23:05:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:35,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-25 23:05:35,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:35,866 INFO L225 Difference]: With dead ends: 381 [2020-10-25 23:05:35,866 INFO L226 Difference]: Without dead ends: 379 [2020-10-25 23:05:35,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-10-25 23:05:35,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 310. [2020-10-25 23:05:35,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-25 23:05:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 416 transitions. [2020-10-25 23:05:35,912 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 416 transitions. Word has length 34 [2020-10-25 23:05:35,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:35,913 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 416 transitions. [2020-10-25 23:05:35,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 416 transitions. [2020-10-25 23:05:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-25 23:05:35,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:35,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2020-10-25 23:05:35,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:05:35,915 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:35,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:35,917 INFO L82 PathProgramCache]: Analyzing trace with hash 217967519, now seen corresponding path program 1 times [2020-10-25 23:05:35,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:35,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249496795] [2020-10-25 23:05:35,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-25 23:05:36,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249496795] [2020-10-25 23:05:36,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:36,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 23:05:36,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568314473] [2020-10-25 23:05:36,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:05:36,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:36,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:05:36,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:05:36,020 INFO L87 Difference]: Start difference. First operand 310 states and 416 transitions. Second operand 6 states. [2020-10-25 23:05:36,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:36,422 INFO L93 Difference]: Finished difference Result 1038 states and 1406 transitions. [2020-10-25 23:05:36,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-25 23:05:36,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-25 23:05:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:36,428 INFO L225 Difference]: With dead ends: 1038 [2020-10-25 23:05:36,428 INFO L226 Difference]: Without dead ends: 735 [2020-10-25 23:05:36,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-25 23:05:36,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-10-25 23:05:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 287. [2020-10-25 23:05:36,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-10-25 23:05:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 377 transitions. [2020-10-25 23:05:36,481 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 377 transitions. Word has length 56 [2020-10-25 23:05:36,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:36,481 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 377 transitions. [2020-10-25 23:05:36,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:05:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 377 transitions. [2020-10-25 23:05:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:05:36,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:36,483 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 23:05:36,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:05:36,484 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:36,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:36,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1360990582, now seen corresponding path program 1 times [2020-10-25 23:05:36,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:36,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111714130] [2020-10-25 23:05:36,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:36,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111714130] [2020-10-25 23:05:36,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:36,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:36,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220043668] [2020-10-25 23:05:36,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:36,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:36,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:36,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:36,555 INFO L87 Difference]: Start difference. First operand 287 states and 377 transitions. Second operand 5 states. [2020-10-25 23:05:36,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:36,718 INFO L93 Difference]: Finished difference Result 467 states and 624 transitions. [2020-10-25 23:05:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:36,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-10-25 23:05:36,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:36,722 INFO L225 Difference]: With dead ends: 467 [2020-10-25 23:05:36,722 INFO L226 Difference]: Without dead ends: 275 [2020-10-25 23:05:36,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:05:36,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-25 23:05:36,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2020-10-25 23:05:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-25 23:05:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 347 transitions. [2020-10-25 23:05:36,765 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 347 transitions. Word has length 58 [2020-10-25 23:05:36,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:36,767 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 347 transitions. [2020-10-25 23:05:36,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2020-10-25 23:05:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-25 23:05:36,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:36,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 23:05:36,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 23:05:36,771 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:36,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:36,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1749913436, now seen corresponding path program 1 times [2020-10-25 23:05:36,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:36,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631322616] [2020-10-25 23:05:36,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-25 23:05:36,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631322616] [2020-10-25 23:05:36,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:36,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:36,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248270901] [2020-10-25 23:05:36,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:36,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:36,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:36,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:36,858 INFO L87 Difference]: Start difference. First operand 271 states and 347 transitions. Second operand 3 states. [2020-10-25 23:05:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:36,986 INFO L93 Difference]: Finished difference Result 527 states and 674 transitions. [2020-10-25 23:05:36,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:36,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-10-25 23:05:36,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:36,990 INFO L225 Difference]: With dead ends: 527 [2020-10-25 23:05:36,990 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:36,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:36,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:36,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-10-25 23:05:36,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:36,993 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:36,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:36,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:36,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 23:05:36,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:37,182 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 102 [2020-10-25 23:05:37,534 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 132 [2020-10-25 23:05:37,678 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 102 [2020-10-25 23:05:37,980 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 101 [2020-10-25 23:05:38,116 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 88 [2020-10-25 23:05:38,400 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 124 [2020-10-25 23:05:38,676 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 137 [2020-10-25 23:05:38,864 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 109 [2020-10-25 23:05:39,210 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2020-10-25 23:05:39,319 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-10-25 23:05:39,937 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 28 [2020-10-25 23:05:40,299 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2020-10-25 23:05:40,457 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2020-10-25 23:05:40,673 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-10-25 23:05:40,836 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2020-10-25 23:05:41,311 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2020-10-25 23:05:41,681 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2020-10-25 23:05:41,831 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-10-25 23:05:42,373 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2020-10-25 23:05:43,080 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2020-10-25 23:05:43,540 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 31 [2020-10-25 23:05:43,544 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:43,545 INFO L270 CegarLoopResult]: At program point L267(lines 266 285) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (not .cse8)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not .cse2) .cse3 .cse4 .cse5 .cse6) (and (or (and .cse1 .cse3 .cse2 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse2 .cse5)) .cse8 .cse6) (and .cse3 .cse9 .cse4 .cse5 .cse6) (and .cse3 .cse9 .cse2 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse5 .cse7 .cse6)))) [2020-10-25 23:05:43,545 INFO L274 CegarLoopResult]: For program point L267-1(lines 267 273) no Hoare annotation was computed. [2020-10-25 23:05:43,545 INFO L270 CegarLoopResult]: At program point L267-2(lines 266 285) the Hoare annotation is: false [2020-10-25 23:05:43,545 INFO L270 CegarLoopResult]: At program point L267-3(lines 266 285) the Hoare annotation is: false [2020-10-25 23:05:43,545 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:43,545 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:43,545 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:43,546 INFO L270 CegarLoopResult]: At program point L895(lines 891 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~8 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:05:43,546 INFO L270 CegarLoopResult]: At program point L433(lines 418 436) the Hoare annotation is: false [2020-10-25 23:05:43,546 INFO L270 CegarLoopResult]: At program point L433-1(lines 418 436) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 23:05:43,546 INFO L270 CegarLoopResult]: At program point L433-2(lines 418 436) the Hoare annotation is: false [2020-10-25 23:05:43,546 INFO L270 CegarLoopResult]: At program point L433-3(lines 418 436) the Hoare annotation is: false [2020-10-25 23:05:43,546 INFO L270 CegarLoopResult]: At program point L433-4(lines 418 436) the Hoare annotation is: false [2020-10-25 23:05:43,546 INFO L270 CegarLoopResult]: At program point L433-5(lines 418 436) the Hoare annotation is: false [2020-10-25 23:05:43,547 INFO L274 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-10-25 23:05:43,547 INFO L270 CegarLoopResult]: At program point L236-1(lines 267 273) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (not .cse7)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse4 (not .cse10)) (.cse3 (= ULTIMATE.start_main_~tmp~8 1)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse5 .cse8 .cse6) (and .cse3 .cse9 .cse10 .cse7 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse10 .cse7 .cse5 .cse6) (and .cse2 .cse3 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse3 .cse9 .cse7 .cse5 .cse8 .cse6)))) [2020-10-25 23:05:43,547 INFO L274 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-10-25 23:05:43,547 INFO L274 CegarLoopResult]: For program point L831-1(line 831) no Hoare annotation was computed. [2020-10-25 23:05:43,547 INFO L274 CegarLoopResult]: For program point L831-2(line 831) no Hoare annotation was computed. [2020-10-25 23:05:43,548 INFO L270 CegarLoopResult]: At program point L369(lines 362 372) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse2 .cse3 .cse4) (and .cse1 .cse0 (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4))) [2020-10-25 23:05:43,548 INFO L270 CegarLoopResult]: At program point L369-1(lines 362 372) the Hoare annotation is: false [2020-10-25 23:05:43,548 INFO L274 CegarLoopResult]: For program point L303(lines 303 311) no Hoare annotation was computed. [2020-10-25 23:05:43,548 INFO L270 CegarLoopResult]: At program point L369-2(lines 362 372) the Hoare annotation is: false [2020-10-25 23:05:43,548 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 311) no Hoare annotation was computed. [2020-10-25 23:05:43,548 INFO L274 CegarLoopResult]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2020-10-25 23:05:43,548 INFO L274 CegarLoopResult]: For program point L303-3(lines 303 311) no Hoare annotation was computed. [2020-10-25 23:05:43,548 INFO L274 CegarLoopResult]: For program point L303-4(lines 303 311) no Hoare annotation was computed. [2020-10-25 23:05:43,548 INFO L274 CegarLoopResult]: For program point L303-5(lines 303 311) no Hoare annotation was computed. [2020-10-25 23:05:43,549 INFO L277 CegarLoopResult]: At program point L931(lines 912 934) the Hoare annotation is: true [2020-10-25 23:05:43,549 INFO L274 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-10-25 23:05:43,549 INFO L274 CegarLoopResult]: For program point L173-1(lines 173 179) no Hoare annotation was computed. [2020-10-25 23:05:43,549 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2020-10-25 23:05:43,549 INFO L274 CegarLoopResult]: For program point L173-3(lines 173 179) no Hoare annotation was computed. [2020-10-25 23:05:43,549 INFO L274 CegarLoopResult]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2020-10-25 23:05:43,549 INFO L274 CegarLoopResult]: For program point L173-5(lines 173 179) no Hoare annotation was computed. [2020-10-25 23:05:43,549 INFO L270 CegarLoopResult]: At program point L966(lines 961 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:05:43,549 INFO L274 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-10-25 23:05:43,549 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:43,550 INFO L270 CegarLoopResult]: At program point L274(lines 274 280) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4))) [2020-10-25 23:05:43,550 INFO L270 CegarLoopResult]: At program point L274-1(lines 274 280) the Hoare annotation is: false [2020-10-25 23:05:43,550 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-10-25 23:05:43,550 INFO L270 CegarLoopResult]: At program point L274-2(lines 274 280) the Hoare annotation is: false [2020-10-25 23:05:43,550 INFO L270 CegarLoopResult]: At program point L208-1(lines 208 214) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 (not .cse3) .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7))) [2020-10-25 23:05:43,550 INFO L274 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-10-25 23:05:43,550 INFO L270 CegarLoopResult]: At program point L441-1(lines 441 447) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-10-25 23:05:43,550 INFO L270 CegarLoopResult]: At program point L178(lines 169 182) the Hoare annotation is: false [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L178-1(lines 169 182) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L178-2(lines 169 182) the Hoare annotation is: false [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L178-3(lines 169 182) the Hoare annotation is: false [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L178-4(lines 169 182) the Hoare annotation is: false [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L178-5(lines 169 182) the Hoare annotation is: false [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L378(lines 373 381) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse3) .cse2 (not (= 0 ~systemActive~0)) .cse4 (= ~methAndRunningLastTime~0 0) .cse5))) [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L378-1(lines 373 381) the Hoare annotation is: false [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L378-2(lines 373 381) the Hoare annotation is: false [2020-10-25 23:05:43,551 INFO L270 CegarLoopResult]: At program point L248(lines 197 249) the Hoare annotation is: false [2020-10-25 23:05:43,552 INFO L270 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~8 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:05:43,552 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:43,552 INFO L274 CegarLoopResult]: For program point L218(lines 218 224) no Hoare annotation was computed. [2020-10-25 23:05:43,558 INFO L270 CegarLoopResult]: At program point L218-1(lines 218 224) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse1 (not .cse6)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5) (and .cse2 .cse8 .cse6 .cse4 .cse7 .cse5)))) [2020-10-25 23:05:43,558 INFO L274 CegarLoopResult]: For program point L120(lines 120 124) no Hoare annotation was computed. [2020-10-25 23:05:43,558 INFO L270 CegarLoopResult]: At program point L847-2(lines 847 861) the Hoare annotation is: false [2020-10-25 23:05:43,558 INFO L274 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-10-25 23:05:43,558 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:43,558 INFO L274 CegarLoopResult]: For program point L851(lines 851 855) no Hoare annotation was computed. [2020-10-25 23:05:43,558 INFO L274 CegarLoopResult]: For program point L851-1(lines 267 273) no Hoare annotation was computed. [2020-10-25 23:05:43,558 INFO L274 CegarLoopResult]: For program point L325(lines 325 342) no Hoare annotation was computed. [2020-10-25 23:05:43,558 INFO L274 CegarLoopResult]: For program point L325-1(lines 325 342) no Hoare annotation was computed. [2020-10-25 23:05:43,559 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 342) no Hoare annotation was computed. [2020-10-25 23:05:43,559 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:43,559 INFO L274 CegarLoopResult]: For program point L62(lines 62 79) no Hoare annotation was computed. [2020-10-25 23:05:43,559 INFO L270 CegarLoopResult]: At program point L62-1(lines 1 969) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 (not .cse3) .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7))) [2020-10-25 23:05:43,559 INFO L274 CegarLoopResult]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2020-10-25 23:05:43,559 INFO L270 CegarLoopResult]: At program point L62-3(lines 1 969) the Hoare annotation is: false [2020-10-25 23:05:43,559 INFO L274 CegarLoopResult]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2020-10-25 23:05:43,559 INFO L270 CegarLoopResult]: At program point L62-5(lines 1 969) the Hoare annotation is: false [2020-10-25 23:05:43,559 INFO L274 CegarLoopResult]: For program point L228(lines 228 243) no Hoare annotation was computed. [2020-10-25 23:05:43,559 INFO L274 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-10-25 23:05:43,559 INFO L274 CegarLoopResult]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L922(lines 922 929) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L96-6(lines 96 100) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L277 CegarLoopResult]: At program point L922-1(lines 922 929) the Hoare annotation is: true [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L427-2(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L427-5(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L427-6(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L427-8(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L427-9(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,560 INFO L274 CegarLoopResult]: For program point L427-11(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L427-12(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L427-14(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L427-15(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L427-17(lines 427 431) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L329(lines 329 337) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L329-1(lines 329 337) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L66(lines 66 76) no Hoare annotation was computed. [2020-10-25 23:05:43,561 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2020-10-25 23:05:43,562 INFO L270 CegarLoopResult]: At program point L958(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-25 23:05:43,562 INFO L274 CegarLoopResult]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2020-10-25 23:05:43,562 INFO L274 CegarLoopResult]: For program point L199(lines 198 247) no Hoare annotation was computed. [2020-10-25 23:05:43,562 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse0 .cse2 .cse3 .cse4))) [2020-10-25 23:05:43,562 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse2 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse8 .cse4 .cse5))) [2020-10-25 23:05:43,562 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:05:43,562 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-10-25 23:05:43,562 INFO L270 CegarLoopResult]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-10-25 23:05:43,562 INFO L274 CegarLoopResult]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:05:43,562 INFO L270 CegarLoopResult]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-10-25 23:05:43,563 INFO L270 CegarLoopResult]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-10-25 23:05:43,563 INFO L274 CegarLoopResult]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:05:43,563 INFO L274 CegarLoopResult]: For program point L299(lines 299 316) no Hoare annotation was computed. [2020-10-25 23:05:43,563 INFO L274 CegarLoopResult]: For program point L299-1(lines 299 316) no Hoare annotation was computed. [2020-10-25 23:05:43,563 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 316) no Hoare annotation was computed. [2020-10-25 23:05:43,563 INFO L274 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-10-25 23:05:43,563 INFO L274 CegarLoopResult]: For program point L299-3(lines 299 316) no Hoare annotation was computed. [2020-10-25 23:05:43,563 INFO L274 CegarLoopResult]: For program point L299-4(lines 299 316) no Hoare annotation was computed. [2020-10-25 23:05:43,563 INFO L274 CegarLoopResult]: For program point L299-5(lines 299 316) no Hoare annotation was computed. [2020-10-25 23:05:43,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:43 BoogieIcfgContainer [2020-10-25 23:05:43,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:43,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:43,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:43,628 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:43,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:33" (3/4) ... [2020-10-25 23:05:43,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:43,660 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:43,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:43,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:43,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:43,665 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:43,666 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:43,667 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:43,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:05:43,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:05:43,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-10-25 23:05:43,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-25 23:05:43,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-25 23:05:43,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-25 23:05:43,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-25 23:05:43,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0)) && 0 == systemActive) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-25 23:05:43,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-25 23:05:43,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:43,707 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:43,708 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:43,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && \result == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:43,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:43,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-10-25 23:05:43,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((methaneLevelCritical == 1 && !(tmp == 0)) && tmp___0 == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:05:43,812 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:43,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:43,814 INFO L168 Benchmark]: Toolchain (without parser) took 12544.03 ms. Allocated memory was 50.3 MB in the beginning and 226.5 MB in the end (delta: 176.2 MB). Free memory was 33.2 MB in the beginning and 191.2 MB in the end (delta: -157.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:43,814 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory was 20.6 MB in the beginning and 20.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:43,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.71 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 26.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:43,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.34 ms. Allocated memory is still 50.3 MB. Free memory was 26.0 MB in the beginning and 32.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:43,815 INFO L168 Benchmark]: Boogie Preprocessor took 70.03 ms. Allocated memory is still 50.3 MB. Free memory was 32.6 MB in the beginning and 29.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:43,816 INFO L168 Benchmark]: RCFGBuilder took 1105.94 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 29.8 MB in the beginning and 29.1 MB in the end (delta: 706.9 kB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:43,816 INFO L168 Benchmark]: TraceAbstraction took 10388.44 ms. Allocated memory was 65.0 MB in the beginning and 226.5 MB in the end (delta: 161.5 MB). Free memory was 28.7 MB in the beginning and 201.7 MB in the end (delta: -173.0 MB). Peak memory consumption was 118.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:43,817 INFO L168 Benchmark]: Witness Printer took 184.49 ms. Allocated memory is still 226.5 MB. Free memory was 201.7 MB in the beginning and 191.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:43,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory was 20.6 MB in the beginning and 20.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 628.71 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 26.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 150.34 ms. Allocated memory is still 50.3 MB. Free memory was 26.0 MB in the beginning and 32.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.03 ms. Allocated memory is still 50.3 MB. Free memory was 32.6 MB in the beginning and 29.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1105.94 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 29.8 MB in the beginning and 29.1 MB in the end (delta: 706.9 kB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10388.44 ms. Allocated memory was 65.0 MB in the beginning and 226.5 MB in the end (delta: 161.5 MB). Free memory was 28.7 MB in the beginning and 201.7 MB in the end (delta: -173.0 MB). Peak memory consumption was 118.2 MB. Max. memory is 16.1 GB. * Witness Printer took 184.49 ms. Allocated memory is still 226.5 MB. Free memory was 201.7 MB in the beginning and 191.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && \result == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((methaneLevelCritical == 1 && !(tmp == 0)) && tmp___0 == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0)) && 0 == systemActive) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1251 SDtfs, 1799 SDslu, 1854 SDs, 0 SdLazy, 248 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1297 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 152 NumberOfFragments, 1220 HoareAnnotationTreeSize, 45 FomulaSimplifications, 611577 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 49668 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 31140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 65/65 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...