./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer --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 9f33e15e0937d430cb63c24d59de4b6438b3be32 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:19:01,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:19:01,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:19:01,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:19:01,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:19:01,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:19:01,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:19:01,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:19:01,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:19:01,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:19:01,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:19:01,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:19:01,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:19:01,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:19:01,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:19:01,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:19:01,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:19:01,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:19:01,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:19:01,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:19:01,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:19:01,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:19:01,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:19:01,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:19:01,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:19:01,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:19:01,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:19:01,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:19:01,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:19:01,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:19:01,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:19:01,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:19:01,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:19:01,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:19:01,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:19:01,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:19:01,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:19:01,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:19:01,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:19:01,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:19:01,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:19:01,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:19:01,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:19:01,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:19:01,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:19:01,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:19:01,549 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:19:01,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:19:01,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:19:01,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:19:01,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:19:01,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:19:01,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:19:01,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:19:01,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:19:01,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:19:01,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:19:01,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:19:01,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:19:01,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:19:01,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:19:01,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:19:01,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:19:01,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:19:01,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:19:01,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:19:01,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:19:01,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:19:01,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:19:01,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:19:01,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:19:01,555 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:/tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f33e15e0937d430cb63c24d59de4b6438b3be32 [2020-11-29 22:19:01,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:19:01,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:19:01,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:19:01,882 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:19:01,882 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:19:01,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-11-29 22:19:01,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/data/042cd1ac0/a4c17db3e1fc480da7457069cbf07850/FLAG0818b3bd2 [2020-11-29 22:19:02,498 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:19:02,499 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-11-29 22:19:02,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/data/042cd1ac0/a4c17db3e1fc480da7457069cbf07850/FLAG0818b3bd2 [2020-11-29 22:19:02,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/data/042cd1ac0/a4c17db3e1fc480da7457069cbf07850 [2020-11-29 22:19:02,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:19:02,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:19:02,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:19:02,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:19:02,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:19:02,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:19:02" (1/1) ... [2020-11-29 22:19:02,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70939d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:02, skipping insertion in model container [2020-11-29 22:19:02,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:19:02" (1/1) ... [2020-11-29 22:19:02,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:19:02,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:19:03,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:19:03,234 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:19:03,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:19:03,342 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:19:03,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03 WrapperNode [2020-11-29 22:19:03,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:19:03,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:19:03,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:19:03,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:19:03,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:19:03,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:19:03,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:19:03,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:19:03,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... [2020-11-29 22:19:03,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:19:03,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:19:03,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:19:03,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:19:03,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/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 [2020-11-29 22:19:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:19:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:19:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:19:03,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:19:04,694 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:19:04,695 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-29 22:19:04,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:19:04 BoogieIcfgContainer [2020-11-29 22:19:04,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:19:04,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:19:04,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:19:04,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:19:04,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:19:02" (1/3) ... [2020-11-29 22:19:04,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5b6264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:19:04, skipping insertion in model container [2020-11-29 22:19:04,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:03" (2/3) ... [2020-11-29 22:19:04,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5b6264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:19:04, skipping insertion in model container [2020-11-29 22:19:04,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:19:04" (3/3) ... [2020-11-29 22:19:04,708 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-11-29 22:19:04,720 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:19:04,725 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 22:19:04,738 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 22:19:04,782 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:19:04,782 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:19:04,782 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:19:04,782 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:19:04,783 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:19:04,783 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:19:04,783 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:19:04,783 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:19:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-11-29 22:19:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 22:19:04,804 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:04,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:19:04,805 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:04,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1554341699, now seen corresponding path program 1 times [2020-11-29 22:19:04,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:04,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534580155] [2020-11-29 22:19:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:05,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534580155] [2020-11-29 22:19:05,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:05,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:19:05,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667404728] [2020-11-29 22:19:05,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:19:05,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:05,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:19:05,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:19:05,183 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-11-29 22:19:05,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:05,241 INFO L93 Difference]: Finished difference Result 238 states and 363 transitions. [2020-11-29 22:19:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:19:05,243 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 22:19:05,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:05,260 INFO L225 Difference]: With dead ends: 238 [2020-11-29 22:19:05,261 INFO L226 Difference]: Without dead ends: 117 [2020-11-29 22:19:05,273 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 [2020-11-29 22:19:05,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-29 22:19:05,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-11-29 22:19:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-29 22:19:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-11-29 22:19:05,339 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-11-29 22:19:05,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:05,339 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-11-29 22:19:05,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:19:05,340 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-11-29 22:19:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 22:19:05,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:05,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:19:05,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:19:05,345 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:05,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:05,350 INFO L82 PathProgramCache]: Analyzing trace with hash 955831619, now seen corresponding path program 1 times [2020-11-29 22:19:05,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:05,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418004200] [2020-11-29 22:19:05,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:05,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418004200] [2020-11-29 22:19:05,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:05,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:19:05,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879873988] [2020-11-29 22:19:05,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:19:05,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:19:05,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:19:05,512 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-11-29 22:19:05,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:05,531 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-11-29 22:19:05,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:19:05,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 22:19:05,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:05,533 INFO L225 Difference]: With dead ends: 117 [2020-11-29 22:19:05,534 INFO L226 Difference]: Without dead ends: 49 [2020-11-29 22:19:05,536 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 [2020-11-29 22:19:05,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-29 22:19:05,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-29 22:19:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-29 22:19:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-29 22:19:05,547 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-29 22:19:05,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:05,548 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-29 22:19:05,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:19:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-29 22:19:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:19:05,550 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:05,550 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] [2020-11-29 22:19:05,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:19:05,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:05,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:05,553 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2020-11-29 22:19:05,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:05,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999933269] [2020-11-29 22:19:05,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:05,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999933269] [2020-11-29 22:19:05,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:05,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:19:05,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101938371] [2020-11-29 22:19:05,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:19:05,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:05,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:19:05,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:19:05,706 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-11-29 22:19:05,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:05,770 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-11-29 22:19:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:19:05,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-29 22:19:05,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:05,772 INFO L225 Difference]: With dead ends: 91 [2020-11-29 22:19:05,772 INFO L226 Difference]: Without dead ends: 49 [2020-11-29 22:19:05,773 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 [2020-11-29 22:19:05,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-29 22:19:05,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-29 22:19:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-29 22:19:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-11-29 22:19:05,779 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-11-29 22:19:05,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:05,787 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-11-29 22:19:05,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:19:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-11-29 22:19:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:19:05,789 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:05,789 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] [2020-11-29 22:19:05,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:19:05,790 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:05,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:05,790 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2020-11-29 22:19:05,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:05,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090890573] [2020-11-29 22:19:05,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:05,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090890573] [2020-11-29 22:19:05,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:05,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:19:05,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677299555] [2020-11-29 22:19:05,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:19:05,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:05,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:19:05,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:19:05,855 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-11-29 22:19:05,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:05,898 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-29 22:19:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:19:05,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 22:19:05,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:05,900 INFO L225 Difference]: With dead ends: 113 [2020-11-29 22:19:05,900 INFO L226 Difference]: Without dead ends: 71 [2020-11-29 22:19:05,901 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 [2020-11-29 22:19:05,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-29 22:19:05,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-11-29 22:19:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-29 22:19:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-11-29 22:19:05,909 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-11-29 22:19:05,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:05,910 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-11-29 22:19:05,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:19:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-11-29 22:19:05,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 22:19:05,911 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:05,912 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] [2020-11-29 22:19:05,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:19:05,912 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:05,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:05,913 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2020-11-29 22:19:05,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:05,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490037907] [2020-11-29 22:19:05,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:06,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490037907] [2020-11-29 22:19:06,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:06,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:19:06,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239297148] [2020-11-29 22:19:06,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:19:06,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:06,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:19:06,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:19:06,031 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-11-29 22:19:06,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:06,141 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-11-29 22:19:06,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:19:06,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 22:19:06,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:06,143 INFO L225 Difference]: With dead ends: 182 [2020-11-29 22:19:06,143 INFO L226 Difference]: Without dead ends: 120 [2020-11-29 22:19:06,144 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 [2020-11-29 22:19:06,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-29 22:19:06,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-11-29 22:19:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-29 22:19:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-29 22:19:06,161 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-11-29 22:19:06,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:06,161 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-29 22:19:06,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:19:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-29 22:19:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 22:19:06,167 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:06,167 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] [2020-11-29 22:19:06,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:19:06,168 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:06,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:06,169 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2020-11-29 22:19:06,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:06,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823336753] [2020-11-29 22:19:06,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:06,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823336753] [2020-11-29 22:19:06,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:06,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:19:06,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589335213] [2020-11-29 22:19:06,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:19:06,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:06,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:19:06,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:19:06,288 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-11-29 22:19:06,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:06,402 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-11-29 22:19:06,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 22:19:06,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 22:19:06,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:06,405 INFO L225 Difference]: With dead ends: 387 [2020-11-29 22:19:06,406 INFO L226 Difference]: Without dead ends: 319 [2020-11-29 22:19:06,410 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 [2020-11-29 22:19:06,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-29 22:19:06,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-11-29 22:19:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-29 22:19:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-11-29 22:19:06,437 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-11-29 22:19:06,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:06,443 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-11-29 22:19:06,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:19:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-11-29 22:19:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 22:19:06,447 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:06,448 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] [2020-11-29 22:19:06,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:19:06,449 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:06,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:06,450 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2020-11-29 22:19:06,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:06,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537015827] [2020-11-29 22:19:06,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:06,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537015827] [2020-11-29 22:19:06,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:06,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:19:06,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651686112] [2020-11-29 22:19:06,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:19:06,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:06,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:19:06,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:19:06,542 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-11-29 22:19:06,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:06,721 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-11-29 22:19:06,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 22:19:06,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-29 22:19:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:06,725 INFO L225 Difference]: With dead ends: 506 [2020-11-29 22:19:06,725 INFO L226 Difference]: Without dead ends: 378 [2020-11-29 22:19:06,726 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 [2020-11-29 22:19:06,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-11-29 22:19:06,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-11-29 22:19:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-29 22:19:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-11-29 22:19:06,754 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-11-29 22:19:06,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:06,755 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-11-29 22:19:06,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:19:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-11-29 22:19:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 22:19:06,756 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:06,756 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] [2020-11-29 22:19:06,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:19:06,756 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:06,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:06,757 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2020-11-29 22:19:06,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:06,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102178201] [2020-11-29 22:19:06,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:06,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102178201] [2020-11-29 22:19:06,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:06,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 22:19:06,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696439399] [2020-11-29 22:19:06,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 22:19:06,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:06,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 22:19:06,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:19:06,865 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2020-11-29 22:19:06,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:06,975 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2020-11-29 22:19:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 22:19:06,977 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-29 22:19:06,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:06,978 INFO L225 Difference]: With dead ends: 357 [2020-11-29 22:19:06,979 INFO L226 Difference]: Without dead ends: 230 [2020-11-29 22:19:06,979 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 [2020-11-29 22:19:06,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-11-29 22:19:07,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2020-11-29 22:19:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-29 22:19:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-11-29 22:19:07,005 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-11-29 22:19:07,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:07,005 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-11-29 22:19:07,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 22:19:07,005 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-11-29 22:19:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 22:19:07,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:07,007 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] [2020-11-29 22:19:07,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:19:07,009 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:07,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:07,009 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2020-11-29 22:19:07,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:07,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747360474] [2020-11-29 22:19:07,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:07,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747360474] [2020-11-29 22:19:07,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:07,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:19:07,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920898293] [2020-11-29 22:19:07,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:19:07,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:07,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:19:07,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:19:07,076 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2020-11-29 22:19:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:07,117 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2020-11-29 22:19:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:19:07,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-29 22:19:07,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:07,120 INFO L225 Difference]: With dead ends: 327 [2020-11-29 22:19:07,120 INFO L226 Difference]: Without dead ends: 192 [2020-11-29 22:19:07,120 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 [2020-11-29 22:19:07,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-29 22:19:07,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-11-29 22:19:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-11-29 22:19:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2020-11-29 22:19:07,143 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2020-11-29 22:19:07,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:07,144 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2020-11-29 22:19:07,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:19:07,144 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2020-11-29 22:19:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 22:19:07,146 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:07,146 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] [2020-11-29 22:19:07,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:19:07,147 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:07,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:07,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2020-11-29 22:19:07,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:07,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037362521] [2020-11-29 22:19:07,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:07,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037362521] [2020-11-29 22:19:07,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:07,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:19:07,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955729256] [2020-11-29 22:19:07,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:19:07,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:07,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:19:07,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:19:07,224 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2020-11-29 22:19:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:07,271 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2020-11-29 22:19:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:19:07,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-29 22:19:07,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:07,276 INFO L225 Difference]: With dead ends: 295 [2020-11-29 22:19:07,277 INFO L226 Difference]: Without dead ends: 293 [2020-11-29 22:19:07,277 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 [2020-11-29 22:19:07,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-11-29 22:19:07,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2020-11-29 22:19:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-11-29 22:19:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2020-11-29 22:19:07,299 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2020-11-29 22:19:07,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:07,300 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2020-11-29 22:19:07,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:19:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2020-11-29 22:19:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 22:19:07,301 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:07,301 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] [2020-11-29 22:19:07,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 22:19:07,301 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:07,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:07,302 INFO L82 PathProgramCache]: Analyzing trace with hash 558378804, now seen corresponding path program 1 times [2020-11-29 22:19:07,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:07,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956340008] [2020-11-29 22:19:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:07,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956340008] [2020-11-29 22:19:07,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:07,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:19:07,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973650619] [2020-11-29 22:19:07,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:19:07,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:07,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:19:07,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:19:07,389 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 5 states. [2020-11-29 22:19:07,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:07,547 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2020-11-29 22:19:07,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:19:07,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-29 22:19:07,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:07,557 INFO L225 Difference]: With dead ends: 374 [2020-11-29 22:19:07,557 INFO L226 Difference]: Without dead ends: 197 [2020-11-29 22:19:07,558 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 [2020-11-29 22:19:07,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-29 22:19:07,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-11-29 22:19:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-29 22:19:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2020-11-29 22:19:07,591 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2020-11-29 22:19:07,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:07,591 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2020-11-29 22:19:07,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:19:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2020-11-29 22:19:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 22:19:07,592 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:07,592 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, 1, 1] [2020-11-29 22:19:07,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 22:19:07,592 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:07,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:07,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1047797080, now seen corresponding path program 1 times [2020-11-29 22:19:07,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:07,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758472633] [2020-11-29 22:19:07,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:19:07,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758472633] [2020-11-29 22:19:07,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:07,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 22:19:07,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127283802] [2020-11-29 22:19:07,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 22:19:07,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:07,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 22:19:07,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:19:07,734 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 7 states. [2020-11-29 22:19:07,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:07,900 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2020-11-29 22:19:07,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 22:19:07,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-29 22:19:07,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:07,903 INFO L225 Difference]: With dead ends: 528 [2020-11-29 22:19:07,903 INFO L226 Difference]: Without dead ends: 388 [2020-11-29 22:19:07,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-29 22:19:07,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-11-29 22:19:07,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2020-11-29 22:19:07,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-11-29 22:19:07,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-11-29 22:19:07,932 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2020-11-29 22:19:07,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:07,932 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-11-29 22:19:07,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 22:19:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-11-29 22:19:07,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 22:19:07,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:19:07,933 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, 1, 1] [2020-11-29 22:19:07,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 22:19:07,934 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:19:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:07,935 INFO L82 PathProgramCache]: Analyzing trace with hash 789631642, now seen corresponding path program 1 times [2020-11-29 22:19:07,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:19:07,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275809132] [2020-11-29 22:19:07,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:19:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:08,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275809132] [2020-11-29 22:19:08,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:19:08,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 22:19:08,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911286876] [2020-11-29 22:19:08,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 22:19:08,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:19:08,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 22:19:08,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 22:19:08,085 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-11-29 22:19:08,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:19:08,332 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-11-29 22:19:08,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 22:19:08,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-11-29 22:19:08,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:19:08,333 INFO L225 Difference]: With dead ends: 485 [2020-11-29 22:19:08,333 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:19:08,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-29 22:19:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:19:08,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:19:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:19:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:19:08,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-29 22:19:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:19:08,334 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:19:08,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 22:19:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:19:08,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:19:08,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 22:19:08,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:19:08,528 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2020-11-29 22:19:08,708 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2020-11-29 22:19:08,923 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 69 [2020-11-29 22:19:09,130 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2020-11-29 22:19:09,794 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-11-29 22:19:10,026 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-29 22:19:10,244 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-11-29 22:19:10,375 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-11-29 22:19:10,638 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-11-29 22:19:10,825 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-11-29 22:19:10,994 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-11-29 22:19:11,392 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2020-11-29 22:19:11,791 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2020-11-29 22:19:11,936 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-11-29 22:19:12,089 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-11-29 22:19:12,092 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:19:12,092 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 22:19:12,092 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 22:19:12,092 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 22:19:12,092 INFO L274 CegarLoopResult]: For program point L169(lines 169 176) no Hoare annotation was computed. [2020-11-29 22:19:12,092 INFO L277 CegarLoopResult]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2020-11-29 22:19:12,092 INFO L270 CegarLoopResult]: At program point L599(lines 550 600) the Hoare annotation is: false [2020-11-29 22:19:12,092 INFO L274 CegarLoopResult]: For program point L401(lines 401 418) no Hoare annotation was computed. [2020-11-29 22:19:12,092 INFO L274 CegarLoopResult]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L270 CegarLoopResult]: At program point L203-1(lines 1 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L270 CegarLoopResult]: At program point L203-3(lines 1 981) the Hoare annotation is: false [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L203-4(lines 203 220) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L270 CegarLoopResult]: At program point L203-5(lines 1 981) the Hoare annotation is: false [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,093 INFO L274 CegarLoopResult]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L503-9(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L503-11(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L503-12(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L503-14(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L503-15(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L503-17(lines 503 507) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L405(lines 405 413) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2020-11-29 22:19:12,094 INFO L270 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-11-29 22:19:12,094 INFO L270 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2020-11-29 22:19:12,094 INFO L274 CegarLoopResult]: For program point L207(lines 207 217) no Hoare annotation was computed. [2020-11-29 22:19:12,095 INFO L270 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2020-11-29 22:19:12,095 INFO L274 CegarLoopResult]: For program point L207-2(lines 207 217) no Hoare annotation was computed. [2020-11-29 22:19:12,095 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) 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)) [2020-11-29 22:19:12,095 INFO L274 CegarLoopResult]: For program point L207-4(lines 207 217) no Hoare annotation was computed. [2020-11-29 22:19:12,095 INFO L274 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-11-29 22:19:12,095 INFO L270 CegarLoopResult]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-11-29 22:19:12,095 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:19:12,095 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-11-29 22:19:12,095 INFO L274 CegarLoopResult]: For program point L208-2(lines 208 214) no Hoare annotation was computed. [2020-11-29 22:19:12,095 INFO L274 CegarLoopResult]: For program point L208-4(lines 208 214) no Hoare annotation was computed. [2020-11-29 22:19:12,095 INFO L270 CegarLoopResult]: At program point L143(lines 139 145) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-29 22:19:12,096 INFO L274 CegarLoopResult]: For program point L375(lines 375 392) no Hoare annotation was computed. [2020-11-29 22:19:12,096 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2020-11-29 22:19:12,096 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2020-11-29 22:19:12,096 INFO L274 CegarLoopResult]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2020-11-29 22:19:12,096 INFO L274 CegarLoopResult]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2020-11-29 22:19:12,096 INFO L274 CegarLoopResult]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2020-11-29 22:19:12,096 INFO L270 CegarLoopResult]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse5 (= ~methAndRunningLastTime~0 0)) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse6 .cse5) (and .cse0 (not .cse3) .cse2 .cse6 .cse4 .cse5))) [2020-11-29 22:19:12,096 INFO L274 CegarLoopResult]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2020-11-29 22:19:12,097 INFO L270 CegarLoopResult]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2020-11-29 22:19:12,098 INFO L270 CegarLoopResult]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2020-11-29 22:19:12,098 INFO L277 CegarLoopResult]: At program point L178(lines 159 181) the Hoare annotation is: true [2020-11-29 22:19:12,098 INFO L270 CegarLoopResult]: At program point L509(lines 494 512) the Hoare annotation is: false [2020-11-29 22:19:12,098 INFO L270 CegarLoopResult]: At program point L509-1(lines 494 512) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse7 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse5 .cse6 .cse7 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse8) (and .cse7 (= ~methaneLevelCritical~0 0) .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse7 .cse8 .cse9 .cse3 .cse4 .cse6 .cse10) (and .cse0 .cse1 .cse7 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6 .cse10))) [2020-11-29 22:19:12,098 INFO L270 CegarLoopResult]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2020-11-29 22:19:12,099 INFO L270 CegarLoopResult]: At program point L509-3(lines 494 512) the Hoare annotation is: false [2020-11-29 22:19:12,099 INFO L270 CegarLoopResult]: At program point L509-4(lines 494 512) the Hoare annotation is: false [2020-11-29 22:19:12,099 INFO L270 CegarLoopResult]: At program point L509-5(lines 494 512) the Hoare annotation is: false [2020-11-29 22:19:12,099 INFO L274 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-11-29 22:19:12,099 INFO L274 CegarLoopResult]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2020-11-29 22:19:12,099 INFO L274 CegarLoopResult]: For program point L313(lines 313 319) no Hoare annotation was computed. [2020-11-29 22:19:12,099 INFO L274 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-11-29 22:19:12,100 INFO L274 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-11-29 22:19:12,100 INFO L274 CegarLoopResult]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2020-11-29 22:19:12,100 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 319) no Hoare annotation was computed. [2020-11-29 22:19:12,100 INFO L274 CegarLoopResult]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2020-11-29 22:19:12,100 INFO L274 CegarLoopResult]: For program point L313-3(lines 313 319) no Hoare annotation was computed. [2020-11-29 22:19:12,100 INFO L274 CegarLoopResult]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2020-11-29 22:19:12,100 INFO L274 CegarLoopResult]: For program point L313-4(lines 313 319) no Hoare annotation was computed. [2020-11-29 22:19:12,100 INFO L274 CegarLoopResult]: For program point L313-5(lines 313 319) no Hoare annotation was computed. [2020-11-29 22:19:12,101 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-11-29 22:19:12,101 INFO L274 CegarLoopResult]: For program point L581(lines 581 594) no Hoare annotation was computed. [2020-11-29 22:19:12,101 INFO L270 CegarLoopResult]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-11-29 22:19:12,101 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:19:12,101 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2020-11-29 22:19:12,101 INFO L270 CegarLoopResult]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2020-11-29 22:19:12,101 INFO L274 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-11-29 22:19:12,102 INFO L274 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-11-29 22:19:12,102 INFO L274 CegarLoopResult]: For program point L978-2(line 978) no Hoare annotation was computed. [2020-11-29 22:19:12,102 INFO L270 CegarLoopResult]: At program point L318(lines 309 322) the Hoare annotation is: false [2020-11-29 22:19:12,102 INFO L270 CegarLoopResult]: At program point L318-1(lines 309 322) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse7 .cse5 .cse8))) [2020-11-29 22:19:12,102 INFO L270 CegarLoopResult]: At program point L318-2(lines 309 322) the Hoare annotation is: false [2020-11-29 22:19:12,102 INFO L270 CegarLoopResult]: At program point L318-3(lines 309 322) the Hoare annotation is: false [2020-11-29 22:19:12,102 INFO L270 CegarLoopResult]: At program point L318-4(lines 309 322) the Hoare annotation is: false [2020-11-29 22:19:12,103 INFO L270 CegarLoopResult]: At program point L318-5(lines 309 322) the Hoare annotation is: false [2020-11-29 22:19:12,103 INFO L274 CegarLoopResult]: For program point L552(lines 551 598) no Hoare annotation was computed. [2020-11-29 22:19:12,103 INFO L274 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-11-29 22:19:12,103 INFO L270 CegarLoopResult]: At program point L454(lines 449 457) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse4) .cse1 .cse3 .cse5 .cse6 .cse7) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 .cse4 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse8 .cse6 .cse7))) [2020-11-29 22:19:12,103 INFO L270 CegarLoopResult]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2020-11-29 22:19:12,103 INFO L270 CegarLoopResult]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2020-11-29 22:19:12,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:19:12,104 INFO L270 CegarLoopResult]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2020-11-29 22:19:12,104 INFO L274 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-11-29 22:19:12,104 INFO L274 CegarLoopResult]: For program point L522-2(lines 522 526) no Hoare annotation was computed. [2020-11-29 22:19:12,104 INFO L274 CegarLoopResult]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2020-11-29 22:19:12,104 INFO L274 CegarLoopResult]: For program point L522-5(lines 522 526) no Hoare annotation was computed. [2020-11-29 22:19:12,104 INFO L274 CegarLoopResult]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2020-11-29 22:19:12,104 INFO L274 CegarLoopResult]: For program point L522-8(lines 522 526) no Hoare annotation was computed. [2020-11-29 22:19:12,104 INFO L270 CegarLoopResult]: At program point L192(lines 187 194) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-29 22:19:12,105 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-29 22:19:12,105 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-11-29 22:19:12,105 INFO L270 CegarLoopResult]: At program point L589-2(lines 343 349) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-11-29 22:19:12,105 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:19:12,105 INFO L274 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-11-29 22:19:12,105 INFO L274 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-11-29 22:19:12,105 INFO L274 CegarLoopResult]: For program point L96-1(lines 343 349) no Hoare annotation was computed. [2020-11-29 22:19:12,106 INFO L270 CegarLoopResult]: At program point L328(lines 323 331) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_main_~tmp~0 1) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 22:19:12,106 INFO L270 CegarLoopResult]: At program point L328-1(lines 323 331) the Hoare annotation is: false [2020-11-29 22:19:12,106 INFO L270 CegarLoopResult]: At program point L328-2(lines 323 331) the Hoare annotation is: false [2020-11-29 22:19:12,106 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:19:12,106 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:19:12,106 INFO L274 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-11-29 22:19:12,106 INFO L270 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-11-29 22:19:12,107 INFO L270 CegarLoopResult]: At program point L528(lines 513 531) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (= ULTIMATE.start_main_~tmp~0 1) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 22:19:12,107 INFO L270 CegarLoopResult]: At program point L528-1(lines 513 531) the Hoare annotation is: false [2020-11-29 22:19:12,107 INFO L270 CegarLoopResult]: At program point L528-2(lines 513 531) the Hoare annotation is: false [2020-11-29 22:19:12,107 INFO L270 CegarLoopResult]: At program point L67(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 22:19:12,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:19:12 BoogieIcfgContainer [2020-11-29 22:19:12,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:19:12,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:19:12,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:19:12,151 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:19:12,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:19:04" (3/4) ... [2020-11-29 22:19:12,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:19:12,175 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 22:19:12,176 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 22:19:12,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 22:19:12,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 22:19:12,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:19:12,181 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:19:12,182 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:19:12,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-29 22:19:12,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-29 22:19:12,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-29 22:19:12,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:19:12,209 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:19:12,209 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:19:12,210 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:19:12,210 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:19:12,211 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:19:12,212 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-29 22:19:12,213 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-29 22:19:12,213 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-11-29 22:19:12,214 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-11-29 22:19:12,214 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-29 22:19:12,215 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-11-29 22:19:12,307 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39476680-7efa-4327-96e6-11e42323fbb3/bin/uautomizer/witness.graphml [2020-11-29 22:19:12,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:19:12,309 INFO L168 Benchmark]: Toolchain (without parser) took 9470.55 ms. Allocated memory was 88.1 MB in the beginning and 188.7 MB in the end (delta: 100.7 MB). Free memory was 52.9 MB in the beginning and 127.7 MB in the end (delta: -74.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:12,309 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 59.4 MB in the beginning and 59.4 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:19:12,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.98 ms. Allocated memory is still 88.1 MB. Free memory was 52.7 MB in the beginning and 53.6 MB in the end (delta: -815.4 kB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:12,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.79 ms. Allocated memory is still 88.1 MB. Free memory was 53.6 MB in the beginning and 49.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:12,310 INFO L168 Benchmark]: Boogie Preprocessor took 45.69 ms. Allocated memory is still 88.1 MB. Free memory was 49.7 MB in the beginning and 47.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:12,311 INFO L168 Benchmark]: RCFGBuilder took 1241.68 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 47.0 MB in the beginning and 52.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:12,311 INFO L168 Benchmark]: TraceAbstraction took 7450.36 ms. Allocated memory was 107.0 MB in the beginning and 188.7 MB in the end (delta: 81.8 MB). Free memory was 51.5 MB in the beginning and 138.1 MB in the end (delta: -86.6 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:12,311 INFO L168 Benchmark]: Witness Printer took 156.65 ms. Allocated memory is still 188.7 MB. Free memory was 138.1 MB in the beginning and 127.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:12,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 59.4 MB in the beginning and 59.4 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 502.98 ms. Allocated memory is still 88.1 MB. Free memory was 52.7 MB in the beginning and 53.6 MB in the end (delta: -815.4 kB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.79 ms. Allocated memory is still 88.1 MB. Free memory was 53.6 MB in the beginning and 49.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.69 ms. Allocated memory is still 88.1 MB. Free memory was 49.7 MB in the beginning and 47.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1241.68 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 47.0 MB in the beginning and 52.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7450.36 ms. Allocated memory was 107.0 MB in the beginning and 188.7 MB in the end (delta: 81.8 MB). Free memory was 51.5 MB in the beginning and 138.1 MB in the end (delta: -86.6 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. * Witness Printer took 156.65 ms. Allocated memory is still 188.7 MB. Free memory was 138.1 MB in the beginning and 127.7 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: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 1858 SDslu, 1702 SDs, 0 SdLazy, 228 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred 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: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1065 HoareAnnotationTreeSize, 44 FomulaSimplifications, 463335 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9569 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 32801 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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...