./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.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_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/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 c21e70d9ea27340857124f83eb5ec77ba8828195 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:58:15,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:15,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:15,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:15,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:15,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:15,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:15,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:15,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:15,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:15,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:15,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:15,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:15,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:15,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:15,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:15,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:15,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:15,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:15,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:15,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:15,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:15,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:15,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:15,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:15,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:15,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:15,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:15,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:15,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:15,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:15,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:15,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:15,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:15,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:15,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:15,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:15,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:15,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:15,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:15,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:15,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:15,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:15,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:15,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:15,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:15,448 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:15,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:15,449 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:15,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:15,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:15,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:15,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:15,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:15,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:15,452 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:15,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:15,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:15,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:15,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:15,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:15,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:15,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:15,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:15,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:15,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:15,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:15,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:15,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:15,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:15,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:15,455 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_b68972ce-5cb3-4a97-b216-129464cb0152/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c21e70d9ea27340857124f83eb5ec77ba8828195 [2020-11-28 02:58:15,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:15,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:15,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:15,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:15,817 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:15,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-11-28 02:58:15,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/data/5f3845532/f9d78d0fda5d4591881dc04900c32ad6/FLAG326ba6879 [2020-11-28 02:58:16,480 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:16,481 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-11-28 02:58:16,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/data/5f3845532/f9d78d0fda5d4591881dc04900c32ad6/FLAG326ba6879 [2020-11-28 02:58:16,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/data/5f3845532/f9d78d0fda5d4591881dc04900c32ad6 [2020-11-28 02:58:16,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:16,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:16,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:16,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:16,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:16,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:16" (1/1) ... [2020-11-28 02:58:16,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ea2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:16, skipping insertion in model container [2020-11-28 02:58:16,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:16" (1/1) ... [2020-11-28 02:58:16,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:16,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:17,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:17,264 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:17,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:17,442 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:17,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17 WrapperNode [2020-11-28 02:58:17,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:17,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:17,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:17,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:17,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:17,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:17,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:17,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:17,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:17,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:17,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:17,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:17,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/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 [2020-11-28 02:58:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:18,939 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:18,940 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-11-28 02:58:18,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18 BoogieIcfgContainer [2020-11-28 02:58:18,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:18,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:18,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:18,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:18,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:16" (1/3) ... [2020-11-28 02:58:18,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcebe04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:18, skipping insertion in model container [2020-11-28 02:58:18,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (2/3) ... [2020-11-28 02:58:18,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcebe04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:18, skipping insertion in model container [2020-11-28 02:58:18,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18" (3/3) ... [2020-11-28 02:58:18,958 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2020-11-28 02:58:18,969 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:18,975 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:58:18,987 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:58:19,017 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:19,017 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:19,017 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:19,017 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:19,018 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:19,018 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:19,018 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:19,018 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2020-11-28 02:58:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:58:19,048 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:19,050 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,057 INFO L82 PathProgramCache]: Analyzing trace with hash -240807826, now seen corresponding path program 1 times [2020-11-28 02:58:19,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862510654] [2020-11-28 02:58:19,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:19,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862510654] [2020-11-28 02:58:19,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:19,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88591143] [2020-11-28 02:58:19,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:19,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:19,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:19,398 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2020-11-28 02:58:19,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,474 INFO L93 Difference]: Finished difference Result 259 states and 386 transitions. [2020-11-28 02:58:19,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:19,476 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 02:58:19,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,502 INFO L225 Difference]: With dead ends: 259 [2020-11-28 02:58:19,503 INFO L226 Difference]: Without dead ends: 127 [2020-11-28 02:58:19,516 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 [2020-11-28 02:58:19,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-11-28 02:58:19,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-11-28 02:58:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-11-28 02:58:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2020-11-28 02:58:19,575 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2020-11-28 02:58:19,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,575 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2020-11-28 02:58:19,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-11-28 02:58:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:58:19,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:19,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:19,578 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1287564723, now seen corresponding path program 1 times [2020-11-28 02:58:19,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241631148] [2020-11-28 02:58:19,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:19,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241631148] [2020-11-28 02:58:19,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:19,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202647866] [2020-11-28 02:58:19,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:19,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:19,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:19,731 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 3 states. [2020-11-28 02:58:19,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,748 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-11-28 02:58:19,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:19,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 02:58:19,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,756 INFO L225 Difference]: With dead ends: 127 [2020-11-28 02:58:19,756 INFO L226 Difference]: Without dead ends: 53 [2020-11-28 02:58:19,757 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 [2020-11-28 02:58:19,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-28 02:58:19,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-28 02:58:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-28 02:58:19,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-11-28 02:58:19,772 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-11-28 02:58:19,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,773 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-11-28 02:58:19,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-11-28 02:58:19,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 02:58:19,774 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,774 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] [2020-11-28 02:58:19,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:19,775 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1189907750, now seen corresponding path program 1 times [2020-11-28 02:58:19,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672982411] [2020-11-28 02:58:19,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:19,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672982411] [2020-11-28 02:58:19,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:19,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295554717] [2020-11-28 02:58:19,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:19,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:19,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:19,900 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-11-28 02:58:19,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,947 INFO L93 Difference]: Finished difference Result 147 states and 216 transitions. [2020-11-28 02:58:19,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:19,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-28 02:58:19,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,956 INFO L225 Difference]: With dead ends: 147 [2020-11-28 02:58:19,956 INFO L226 Difference]: Without dead ends: 100 [2020-11-28 02:58:19,957 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 [2020-11-28 02:58:19,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-11-28 02:58:19,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2020-11-28 02:58:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-28 02:58:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2020-11-28 02:58:19,986 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 22 [2020-11-28 02:58:19,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,986 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2020-11-28 02:58:19,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2020-11-28 02:58:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:58:19,987 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,988 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] [2020-11-28 02:58:19,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:19,988 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,989 INFO L82 PathProgramCache]: Analyzing trace with hash 752688312, now seen corresponding path program 1 times [2020-11-28 02:58:19,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602467646] [2020-11-28 02:58:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:20,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602467646] [2020-11-28 02:58:20,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:20,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:20,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655239335] [2020-11-28 02:58:20,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:20,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:20,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:20,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:20,075 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand 3 states. [2020-11-28 02:58:20,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:20,153 INFO L93 Difference]: Finished difference Result 227 states and 338 transitions. [2020-11-28 02:58:20,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:20,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 02:58:20,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:20,155 INFO L225 Difference]: With dead ends: 227 [2020-11-28 02:58:20,155 INFO L226 Difference]: Without dead ends: 137 [2020-11-28 02:58:20,156 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 [2020-11-28 02:58:20,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-28 02:58:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2020-11-28 02:58:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-28 02:58:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 195 transitions. [2020-11-28 02:58:20,184 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 195 transitions. Word has length 24 [2020-11-28 02:58:20,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:20,185 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 195 transitions. [2020-11-28 02:58:20,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2020-11-28 02:58:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:58:20,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:20,190 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] [2020-11-28 02:58:20,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:20,190 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:20,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:20,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1744683281, now seen corresponding path program 1 times [2020-11-28 02:58:20,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:20,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322345965] [2020-11-28 02:58:20,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:20,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322345965] [2020-11-28 02:58:20,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:20,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:20,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238151050] [2020-11-28 02:58:20,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:20,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:20,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:20,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:20,287 INFO L87 Difference]: Start difference. First operand 135 states and 195 transitions. Second operand 5 states. [2020-11-28 02:58:20,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:20,505 INFO L93 Difference]: Finished difference Result 676 states and 993 transitions. [2020-11-28 02:58:20,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:58:20,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 02:58:20,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:20,511 INFO L225 Difference]: With dead ends: 676 [2020-11-28 02:58:20,511 INFO L226 Difference]: Without dead ends: 547 [2020-11-28 02:58:20,513 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 [2020-11-28 02:58:20,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-11-28 02:58:20,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 254. [2020-11-28 02:58:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-11-28 02:58:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 363 transitions. [2020-11-28 02:58:20,567 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 363 transitions. Word has length 25 [2020-11-28 02:58:20,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:20,568 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 363 transitions. [2020-11-28 02:58:20,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:20,568 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 363 transitions. [2020-11-28 02:58:20,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:58:20,570 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:20,570 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] [2020-11-28 02:58:20,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:20,570 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:20,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:20,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1948490375, now seen corresponding path program 1 times [2020-11-28 02:58:20,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:20,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894893090] [2020-11-28 02:58:20,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:20,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:20,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894893090] [2020-11-28 02:58:20,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:20,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:20,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308628208] [2020-11-28 02:58:20,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:20,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:20,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:20,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:20,679 INFO L87 Difference]: Start difference. First operand 254 states and 363 transitions. Second operand 5 states. [2020-11-28 02:58:20,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:20,889 INFO L93 Difference]: Finished difference Result 744 states and 1066 transitions. [2020-11-28 02:58:20,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:58:20,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 02:58:20,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:20,896 INFO L225 Difference]: With dead ends: 744 [2020-11-28 02:58:20,896 INFO L226 Difference]: Without dead ends: 742 [2020-11-28 02:58:20,898 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 [2020-11-28 02:58:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-11-28 02:58:20,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 254. [2020-11-28 02:58:20,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-11-28 02:58:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 361 transitions. [2020-11-28 02:58:20,932 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 361 transitions. Word has length 26 [2020-11-28 02:58:20,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:20,932 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 361 transitions. [2020-11-28 02:58:20,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 361 transitions. [2020-11-28 02:58:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:58:20,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:20,938 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] [2020-11-28 02:58:20,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:58:20,939 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:20,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:20,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1292268752, now seen corresponding path program 1 times [2020-11-28 02:58:20,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:20,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159845936] [2020-11-28 02:58:20,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:21,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159845936] [2020-11-28 02:58:21,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:21,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:21,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139258576] [2020-11-28 02:58:21,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:21,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:21,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:21,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:21,040 INFO L87 Difference]: Start difference. First operand 254 states and 361 transitions. Second operand 3 states. [2020-11-28 02:58:21,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:21,121 INFO L93 Difference]: Finished difference Result 690 states and 981 transitions. [2020-11-28 02:58:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:21,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 02:58:21,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:21,125 INFO L225 Difference]: With dead ends: 690 [2020-11-28 02:58:21,126 INFO L226 Difference]: Without dead ends: 442 [2020-11-28 02:58:21,127 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 [2020-11-28 02:58:21,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-11-28 02:58:21,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 440. [2020-11-28 02:58:21,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-11-28 02:58:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 609 transitions. [2020-11-28 02:58:21,170 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 609 transitions. Word has length 34 [2020-11-28 02:58:21,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:21,171 INFO L481 AbstractCegarLoop]: Abstraction has 440 states and 609 transitions. [2020-11-28 02:58:21,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 609 transitions. [2020-11-28 02:58:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:58:21,174 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:21,174 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] [2020-11-28 02:58:21,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:58:21,175 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:21,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:21,176 INFO L82 PathProgramCache]: Analyzing trace with hash -12405074, now seen corresponding path program 1 times [2020-11-28 02:58:21,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:21,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782081964] [2020-11-28 02:58:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:21,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782081964] [2020-11-28 02:58:21,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:21,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:58:21,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237964311] [2020-11-28 02:58:21,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:21,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:21,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:21,272 INFO L87 Difference]: Start difference. First operand 440 states and 609 transitions. Second operand 5 states. [2020-11-28 02:58:21,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:21,488 INFO L93 Difference]: Finished difference Result 1222 states and 1668 transitions. [2020-11-28 02:58:21,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:58:21,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 02:58:21,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:21,496 INFO L225 Difference]: With dead ends: 1222 [2020-11-28 02:58:21,497 INFO L226 Difference]: Without dead ends: 788 [2020-11-28 02:58:21,498 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 [2020-11-28 02:58:21,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-11-28 02:58:21,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 476. [2020-11-28 02:58:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-11-28 02:58:21,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 645 transitions. [2020-11-28 02:58:21,583 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 645 transitions. Word has length 34 [2020-11-28 02:58:21,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:21,585 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 645 transitions. [2020-11-28 02:58:21,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 645 transitions. [2020-11-28 02:58:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:58:21,589 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:21,589 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] [2020-11-28 02:58:21,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:58:21,592 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:21,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:21,594 INFO L82 PathProgramCache]: Analyzing trace with hash -599211088, now seen corresponding path program 1 times [2020-11-28 02:58:21,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:21,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992964114] [2020-11-28 02:58:21,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:21,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992964114] [2020-11-28 02:58:21,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:21,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:21,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908283086] [2020-11-28 02:58:21,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:21,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:21,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:21,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:21,685 INFO L87 Difference]: Start difference. First operand 476 states and 645 transitions. Second operand 4 states. [2020-11-28 02:58:21,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:21,817 INFO L93 Difference]: Finished difference Result 1036 states and 1390 transitions. [2020-11-28 02:58:21,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:58:21,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-28 02:58:21,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:21,823 INFO L225 Difference]: With dead ends: 1036 [2020-11-28 02:58:21,824 INFO L226 Difference]: Without dead ends: 566 [2020-11-28 02:58:21,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:21,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-11-28 02:58:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 398. [2020-11-28 02:58:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-11-28 02:58:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 527 transitions. [2020-11-28 02:58:21,886 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 527 transitions. Word has length 34 [2020-11-28 02:58:21,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:21,888 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 527 transitions. [2020-11-28 02:58:21,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:21,888 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 527 transitions. [2020-11-28 02:58:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 02:58:21,892 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:21,893 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, 1] [2020-11-28 02:58:21,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:58:21,894 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:21,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:21,895 INFO L82 PathProgramCache]: Analyzing trace with hash -362639056, now seen corresponding path program 1 times [2020-11-28 02:58:21,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:21,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199228041] [2020-11-28 02:58:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:22,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199228041] [2020-11-28 02:58:22,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:22,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-28 02:58:22,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753003396] [2020-11-28 02:58:22,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 02:58:22,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:22,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 02:58:22,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:58:22,057 INFO L87 Difference]: Start difference. First operand 398 states and 527 transitions. Second operand 8 states. [2020-11-28 02:58:23,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:23,044 INFO L93 Difference]: Finished difference Result 1933 states and 2554 transitions. [2020-11-28 02:58:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-28 02:58:23,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-11-28 02:58:23,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:23,064 INFO L225 Difference]: With dead ends: 1933 [2020-11-28 02:58:23,065 INFO L226 Difference]: Without dead ends: 1541 [2020-11-28 02:58:23,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2020-11-28 02:58:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2020-11-28 02:58:23,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 398. [2020-11-28 02:58:23,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-11-28 02:58:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 517 transitions. [2020-11-28 02:58:23,123 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 517 transitions. Word has length 35 [2020-11-28 02:58:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:23,123 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 517 transitions. [2020-11-28 02:58:23,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 02:58:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 517 transitions. [2020-11-28 02:58:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 02:58:23,125 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:23,126 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:23,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:58:23,126 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:23,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:23,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1121952238, now seen corresponding path program 1 times [2020-11-28 02:58:23,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:23,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729087430] [2020-11-28 02:58:23,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:58:23,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729087430] [2020-11-28 02:58:23,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:23,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:23,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067693710] [2020-11-28 02:58:23,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:23,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:23,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:23,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:23,192 INFO L87 Difference]: Start difference. First operand 398 states and 517 transitions. Second operand 3 states. [2020-11-28 02:58:23,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:23,357 INFO L93 Difference]: Finished difference Result 676 states and 876 transitions. [2020-11-28 02:58:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:23,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-28 02:58:23,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:23,360 INFO L225 Difference]: With dead ends: 676 [2020-11-28 02:58:23,361 INFO L226 Difference]: Without dead ends: 284 [2020-11-28 02:58:23,362 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 [2020-11-28 02:58:23,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-11-28 02:58:23,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 276. [2020-11-28 02:58:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-11-28 02:58:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 353 transitions. [2020-11-28 02:58:23,394 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 353 transitions. Word has length 53 [2020-11-28 02:58:23,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:23,395 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 353 transitions. [2020-11-28 02:58:23,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 353 transitions. [2020-11-28 02:58:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 02:58:23,398 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:23,398 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:23,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 02:58:23,398 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:23,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:23,399 INFO L82 PathProgramCache]: Analyzing trace with hash 519119296, now seen corresponding path program 1 times [2020-11-28 02:58:23,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:23,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791738860] [2020-11-28 02:58:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 02:58:23,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791738860] [2020-11-28 02:58:23,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:23,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:58:23,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401636886] [2020-11-28 02:58:23,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:58:23,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:23,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:58:23,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:58:23,584 INFO L87 Difference]: Start difference. First operand 276 states and 353 transitions. Second operand 6 states. [2020-11-28 02:58:23,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:23,991 INFO L93 Difference]: Finished difference Result 759 states and 974 transitions. [2020-11-28 02:58:23,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 02:58:23,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-11-28 02:58:23,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:23,993 INFO L225 Difference]: With dead ends: 759 [2020-11-28 02:58:23,993 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:23,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-11-28 02:58:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:23,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-11-28 02:58:23,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:23,997 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:23,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:58:23,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:23,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:23,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:58:24,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:24,345 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 111 [2020-11-28 02:58:24,766 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 115 [2020-11-28 02:58:25,810 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 234 DAG size of output: 185 [2020-11-28 02:58:26,198 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-11-28 02:58:26,704 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 159 [2020-11-28 02:58:27,208 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 180 [2020-11-28 02:58:27,445 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 111 [2020-11-28 02:58:27,606 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 95 [2020-11-28 02:58:27,952 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 148 [2020-11-28 02:58:28,663 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-11-28 02:58:29,635 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 15 [2020-11-28 02:58:30,990 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 181 DAG size of output: 20 [2020-11-28 02:58:31,821 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 13 [2020-11-28 02:58:32,645 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-11-28 02:58:33,711 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 20 [2020-11-28 02:58:34,118 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2020-11-28 02:58:34,599 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-11-28 02:58:35,234 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 15 [2020-11-28 02:58:36,217 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-11-28 02:58:36,221 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:36,222 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:58:36,222 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:58:36,222 INFO L270 CegarLoopResult]: At program point L961(lines 1 972) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:36,222 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:58:36,222 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:36,223 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-11-28 02:58:36,223 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-11-28 02:58:36,223 INFO L270 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-11-28 02:58:36,223 INFO L270 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-11-28 02:58:36,223 INFO L270 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-11-28 02:58:36,223 INFO L270 CegarLoopResult]: At program point L930(lines 879 931) the Hoare annotation is: false [2020-11-28 02:58:36,223 INFO L270 CegarLoopResult]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:36,223 INFO L274 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-11-28 02:58:36,224 INFO L274 CegarLoopResult]: For program point L865-1(line 865) no Hoare annotation was computed. [2020-11-28 02:58:36,224 INFO L274 CegarLoopResult]: For program point L865-2(line 865) no Hoare annotation was computed. [2020-11-28 02:58:36,224 INFO L270 CegarLoopResult]: At program point L833(lines 818 836) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:36,224 INFO L270 CegarLoopResult]: At program point L833-1(lines 818 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-11-28 02:58:36,224 INFO L270 CegarLoopResult]: At program point L833-2(lines 818 836) the Hoare annotation is: false [2020-11-28 02:58:36,224 INFO L270 CegarLoopResult]: At program point L833-3(lines 818 836) the Hoare annotation is: false [2020-11-28 02:58:36,224 INFO L270 CegarLoopResult]: At program point L833-4(lines 818 836) the Hoare annotation is: false [2020-11-28 02:58:36,225 INFO L270 CegarLoopResult]: At program point L833-5(lines 818 836) the Hoare annotation is: false [2020-11-28 02:58:36,225 INFO L274 CegarLoopResult]: For program point L900(lines 900 906) no Hoare annotation was computed. [2020-11-28 02:58:36,225 INFO L270 CegarLoopResult]: At program point L900-1(lines 900 906) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-28 02:58:36,225 INFO L277 CegarLoopResult]: At program point L240(lines 221 243) the Hoare annotation is: true [2020-11-28 02:58:36,225 INFO L270 CegarLoopResult]: At program point L769(lines 762 772) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-11-28 02:58:36,225 INFO L270 CegarLoopResult]: At program point L769-1(lines 762 772) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:36,226 INFO L270 CegarLoopResult]: At program point L769-2(lines 762 772) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2))) [2020-11-28 02:58:36,226 INFO L270 CegarLoopResult]: At program point L769-3(lines 762 772) the Hoare annotation is: false [2020-11-28 02:58:36,226 INFO L270 CegarLoopResult]: At program point L769-4(lines 762 772) the Hoare annotation is: false [2020-11-28 02:58:36,226 INFO L270 CegarLoopResult]: At program point L769-5(lines 762 772) the Hoare annotation is: false [2020-11-28 02:58:36,226 INFO L270 CegarLoopResult]: At program point L769-6(lines 762 772) the Hoare annotation is: false [2020-11-28 02:58:36,226 INFO L270 CegarLoopResult]: At program point L769-7(lines 762 772) the Hoare annotation is: false [2020-11-28 02:58:36,226 INFO L270 CegarLoopResult]: At program point L769-8(lines 762 772) the Hoare annotation is: false [2020-11-28 02:58:36,227 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:36,227 INFO L270 CegarLoopResult]: At program point L969(lines 964 972) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:36,227 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-28 02:58:36,227 INFO L274 CegarLoopResult]: For program point L708(lines 708 725) no Hoare annotation was computed. [2020-11-28 02:58:36,227 INFO L274 CegarLoopResult]: For program point L708-1(lines 708 725) no Hoare annotation was computed. [2020-11-28 02:58:36,227 INFO L274 CegarLoopResult]: For program point L708-2(lines 708 725) no Hoare annotation was computed. [2020-11-28 02:58:36,227 INFO L274 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-11-28 02:58:36,227 INFO L270 CegarLoopResult]: At program point L841-1(lines 841 847) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-11-28 02:58:36,228 INFO L274 CegarLoopResult]: For program point L744(lines 744 750) no Hoare annotation was computed. [2020-11-28 02:58:36,228 INFO L274 CegarLoopResult]: For program point L744-2(lines 744 750) no Hoare annotation was computed. [2020-11-28 02:58:36,228 INFO L274 CegarLoopResult]: For program point L744-4(lines 744 750) no Hoare annotation was computed. [2020-11-28 02:58:36,228 INFO L274 CegarLoopResult]: For program point L744-6(lines 744 750) no Hoare annotation was computed. [2020-11-28 02:58:36,228 INFO L274 CegarLoopResult]: For program point L744-8(lines 744 750) no Hoare annotation was computed. [2020-11-28 02:58:36,228 INFO L274 CegarLoopResult]: For program point L744-10(lines 744 750) no Hoare annotation was computed. [2020-11-28 02:58:36,228 INFO L274 CegarLoopResult]: For program point L910(lines 910 925) no Hoare annotation was computed. [2020-11-28 02:58:36,228 INFO L270 CegarLoopResult]: At program point L778(lines 773 781) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and .cse1 .cse0 (= 1 ~systemActive~0) .cse2 .cse3 .cse4))) [2020-11-28 02:58:36,229 INFO L270 CegarLoopResult]: At program point L778-1(lines 773 781) the Hoare annotation is: false [2020-11-28 02:58:36,229 INFO L274 CegarLoopResult]: For program point L712(lines 712 720) no Hoare annotation was computed. [2020-11-28 02:58:36,229 INFO L270 CegarLoopResult]: At program point L778-2(lines 773 781) the Hoare annotation is: false [2020-11-28 02:58:36,229 INFO L274 CegarLoopResult]: For program point L712-1(lines 712 720) no Hoare annotation was computed. [2020-11-28 02:58:36,229 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 720) no Hoare annotation was computed. [2020-11-28 02:58:36,229 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:36,229 INFO L274 CegarLoopResult]: For program point L682(lines 682 699) no Hoare annotation was computed. [2020-11-28 02:58:36,229 INFO L274 CegarLoopResult]: For program point L682-1(lines 682 699) no Hoare annotation was computed. [2020-11-28 02:58:36,229 INFO L274 CegarLoopResult]: For program point L682-2(lines 682 699) no Hoare annotation was computed. [2020-11-28 02:58:36,230 INFO L274 CegarLoopResult]: For program point L682-3(lines 682 699) no Hoare annotation was computed. [2020-11-28 02:58:36,230 INFO L274 CegarLoopResult]: For program point L682-4(lines 682 699) no Hoare annotation was computed. [2020-11-28 02:58:36,230 INFO L274 CegarLoopResult]: For program point L682-5(lines 682 699) no Hoare annotation was computed. [2020-11-28 02:58:36,230 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-28 02:58:36,230 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-28 02:58:36,230 INFO L274 CegarLoopResult]: For program point L881(lines 880 929) no Hoare annotation was computed. [2020-11-28 02:58:36,230 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-28 02:58:36,230 INFO L270 CegarLoopResult]: At program point L650(lines 649 668) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-28 02:58:36,231 INFO L274 CegarLoopResult]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2020-11-28 02:58:36,231 INFO L270 CegarLoopResult]: At program point L650-2(lines 649 668) the Hoare annotation is: false [2020-11-28 02:58:36,231 INFO L270 CegarLoopResult]: At program point L650-3(lines 649 668) the Hoare annotation is: false [2020-11-28 02:58:36,231 INFO L270 CegarLoopResult]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2020-11-28 02:58:36,231 INFO L274 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-11-28 02:58:36,231 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-28 02:58:36,231 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:36,231 INFO L274 CegarLoopResult]: For program point L686(lines 686 694) no Hoare annotation was computed. [2020-11-28 02:58:36,232 INFO L274 CegarLoopResult]: For program point L686-1(lines 686 694) no Hoare annotation was computed. [2020-11-28 02:58:36,232 INFO L274 CegarLoopResult]: For program point L686-2(lines 686 694) no Hoare annotation was computed. [2020-11-28 02:58:36,232 INFO L274 CegarLoopResult]: For program point L686-3(lines 686 694) no Hoare annotation was computed. [2020-11-28 02:58:36,232 INFO L274 CegarLoopResult]: For program point L686-4(lines 686 694) no Hoare annotation was computed. [2020-11-28 02:58:36,234 INFO L274 CegarLoopResult]: For program point L686-5(lines 686 694) no Hoare annotation was computed. [2020-11-28 02:58:36,234 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-11-28 02:58:36,234 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:36,234 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-11-28 02:58:36,235 INFO L270 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse4))) [2020-11-28 02:58:36,235 INFO L270 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-11-28 02:58:36,235 INFO L270 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-11-28 02:58:36,235 INFO L274 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-11-28 02:58:36,236 INFO L270 CegarLoopResult]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-11-28 02:58:36,236 INFO L270 CegarLoopResult]: At program point L918-1(lines 650 656) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-28 02:58:36,236 INFO L270 CegarLoopResult]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-11-28 02:58:36,236 INFO L270 CegarLoopResult]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-11-28 02:58:36,236 INFO L270 CegarLoopResult]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2020-11-28 02:58:36,237 INFO L270 CegarLoopResult]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2020-11-28 02:58:36,237 INFO L270 CegarLoopResult]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2020-11-28 02:58:36,237 INFO L274 CegarLoopResult]: For program point L621(lines 621 634) no Hoare annotation was computed. [2020-11-28 02:58:36,237 INFO L270 CegarLoopResult]: At program point L621-1(lines 1 972) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse5 .cse4 .cse0 .cse2 .cse3) (and .cse7 .cse1 .cse6 .cse8 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse8 .cse3))) [2020-11-28 02:58:36,238 INFO L274 CegarLoopResult]: For program point L621-2(lines 621 634) no Hoare annotation was computed. [2020-11-28 02:58:36,238 INFO L270 CegarLoopResult]: At program point L621-3(lines 1 972) the Hoare annotation is: false [2020-11-28 02:58:36,238 INFO L274 CegarLoopResult]: For program point L621-4(lines 621 634) no Hoare annotation was computed. [2020-11-28 02:58:36,238 INFO L270 CegarLoopResult]: At program point L621-5(lines 1 972) the Hoare annotation is: false [2020-11-28 02:58:36,238 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-11-28 02:58:36,239 INFO L274 CegarLoopResult]: For program point L159-1(lines 650 656) no Hoare annotation was computed. [2020-11-28 02:58:36,239 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:36,239 INFO L270 CegarLoopResult]: At program point L657(lines 657 663) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse1 .cse5 .cse2 .cse3))) [2020-11-28 02:58:36,239 INFO L270 CegarLoopResult]: At program point L657-1(lines 657 663) the Hoare annotation is: false [2020-11-28 02:58:36,239 INFO L270 CegarLoopResult]: At program point L657-2(lines 657 663) the Hoare annotation is: false [2020-11-28 02:58:36,239 INFO L274 CegarLoopResult]: For program point L625(lines 625 631) no Hoare annotation was computed. [2020-11-28 02:58:36,240 INFO L274 CegarLoopResult]: For program point L625-2(lines 625 631) no Hoare annotation was computed. [2020-11-28 02:58:36,240 INFO L274 CegarLoopResult]: For program point L625-4(lines 625 631) no Hoare annotation was computed. [2020-11-28 02:58:36,240 INFO L274 CegarLoopResult]: For program point L890(lines 890 896) no Hoare annotation was computed. [2020-11-28 02:58:36,240 INFO L270 CegarLoopResult]: At program point L890-1(lines 890 896) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse5 .cse4 .cse0 .cse2 .cse3) (and .cse7 .cse1 .cse6 .cse8 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse8 .cse3))) [2020-11-28 02:58:36,240 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:36,241 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:36,241 INFO L274 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-11-28 02:58:36,241 INFO L277 CegarLoopResult]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2020-11-28 02:58:36,241 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-11-28 02:58:36,241 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-28 02:58:36,242 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-11-28 02:58:36,242 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-11-28 02:58:36,242 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-11-28 02:58:36,242 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-11-28 02:58:36,242 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-28 02:58:36,242 INFO L274 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,243 INFO L274 CegarLoopResult]: For program point L827-2(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,243 INFO L274 CegarLoopResult]: For program point L827-3(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,243 INFO L274 CegarLoopResult]: For program point L827-5(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,243 INFO L274 CegarLoopResult]: For program point L827-6(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,243 INFO L274 CegarLoopResult]: For program point L827-8(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,243 INFO L274 CegarLoopResult]: For program point L827-9(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,243 INFO L274 CegarLoopResult]: For program point L827-11(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,244 INFO L274 CegarLoopResult]: For program point L827-12(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,244 INFO L274 CegarLoopResult]: For program point L827-14(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,244 INFO L274 CegarLoopResult]: For program point L827-15(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,244 INFO L274 CegarLoopResult]: For program point L827-17(lines 827 831) no Hoare annotation was computed. [2020-11-28 02:58:36,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:36 BoogieIcfgContainer [2020-11-28 02:58:36,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:36,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:36,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:36,292 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:36,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18" (3/4) ... [2020-11-28 02:58:36,295 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:36,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:58:36,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:58:36,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:58:36,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:58:36,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:58:36,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:36,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:36,362 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,367 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && methaneLevelCritical == 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:58:36,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:58:36,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 <= \result) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:58:36,375 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:58:36,375 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:58:36,489 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b68972ce-5cb3-4a97-b216-129464cb0152/bin/uautomizer/witness.graphml [2020-11-28 02:58:36,489 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:36,491 INFO L168 Benchmark]: Toolchain (without parser) took 19741.62 ms. Allocated memory was 96.5 MB in the beginning and 251.7 MB in the end (delta: 155.2 MB). Free memory was 63.8 MB in the beginning and 150.3 MB in the end (delta: -86.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,491 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 30.8 MB in the beginning and 30.8 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:36,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.45 ms. Allocated memory is still 96.5 MB. Free memory was 63.6 MB in the beginning and 62.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.44 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 58.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,492 INFO L168 Benchmark]: Boogie Preprocessor took 49.67 ms. Allocated memory is still 96.5 MB. Free memory was 58.6 MB in the beginning and 55.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,493 INFO L168 Benchmark]: RCFGBuilder took 1345.23 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 55.4 MB in the beginning and 94.4 MB in the end (delta: -39.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,493 INFO L168 Benchmark]: TraceAbstraction took 17344.05 ms. Allocated memory was 119.5 MB in the beginning and 251.7 MB in the end (delta: 132.1 MB). Free memory was 93.6 MB in the beginning and 161.8 MB in the end (delta: -68.2 MB). Peak memory consumption was 155.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,494 INFO L168 Benchmark]: Witness Printer took 198.02 ms. Allocated memory is still 251.7 MB. Free memory was 161.8 MB in the beginning and 150.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:36,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 30.8 MB in the beginning and 30.8 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 683.45 ms. Allocated memory is still 96.5 MB. Free memory was 63.6 MB in the beginning and 62.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.44 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 58.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.67 ms. Allocated memory is still 96.5 MB. Free memory was 58.6 MB in the beginning and 55.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1345.23 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 55.4 MB in the beginning and 94.4 MB in the end (delta: -39.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17344.05 ms. Allocated memory was 119.5 MB in the beginning and 251.7 MB in the end (delta: 132.1 MB). Free memory was 93.6 MB in the beginning and 161.8 MB in the end (delta: -68.2 MB). Peak memory consumption was 155.7 MB. Max. memory is 16.1 GB. * Witness Printer took 198.02 ms. Allocated memory is still 251.7 MB. Free memory was 161.8 MB in the beginning and 150.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 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: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) || ((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: ((((\result == 1 && methaneLevelCritical == 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 <= \result) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 134 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1468 SDtfs, 1871 SDslu, 3019 SDs, 0 SdLazy, 476 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2420 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 314 NumberOfFragments, 808 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1407691 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 56 FomulaSimplificationsInter, 250591 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 19866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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...