./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/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 1ab16baa4986c30d82da896f91b34098372adf7a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:41,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:41,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:41,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:41,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:41,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:41,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:41,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:41,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:41,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:41,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:41,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:41,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:41,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:41,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:41,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:41,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:41,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:41,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:41,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:41,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:41,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:41,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:41,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:41,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:41,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:41,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:41,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:41,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:41,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:41,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:41,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:41,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:41,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:41,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:41,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:41,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:41,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:41,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:41,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:41,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:41,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:10:41,512 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:41,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:41,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:41,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:41,516 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:10:41,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:41,517 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:41,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:41,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:41,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:41,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:10:41,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:41,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:10:41,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:41,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:41,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:41,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:10:41,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:41,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:10:41,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:41,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:10:41,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:10:41,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:41,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:41,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:10:41,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:10:41,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:10:41,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:10:41,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:10:41,525 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_375b3c9d-cced-4450-96df-2ca245c58e3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab16baa4986c30d82da896f91b34098372adf7a [2020-11-30 01:10:41,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:41,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:41,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:41,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:41,928 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:41,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2020-11-30 01:10:42,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/data/680db3b21/9abc68a83bc84374af57f45c37a25c6a/FLAG70e74ac8f [2020-11-30 01:10:42,726 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:42,727 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2020-11-30 01:10:42,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/data/680db3b21/9abc68a83bc84374af57f45c37a25c6a/FLAG70e74ac8f [2020-11-30 01:10:42,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/data/680db3b21/9abc68a83bc84374af57f45c37a25c6a [2020-11-30 01:10:42,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:43,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:43,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:43,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:43,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:43,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:42" (1/1) ... [2020-11-30 01:10:43,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78de434f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43, skipping insertion in model container [2020-11-30 01:10:43,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:42" (1/1) ... [2020-11-30 01:10:43,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:43,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:43,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:43,508 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:43,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:43,692 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:43,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43 WrapperNode [2020-11-30 01:10:43,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:43,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:43,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:10:43,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:10:43,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:43,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:43,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:43,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:43,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... [2020-11-30 01:10:43,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:43,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:43,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:43,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:43,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/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 [2020-11-30 01:10:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:10:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:10:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:45,193 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:45,194 INFO L298 CfgBuilder]: Removed 206 assume(true) statements. [2020-11-30 01:10:45,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:45 BoogieIcfgContainer [2020-11-30 01:10:45,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:45,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:10:45,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:10:45,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:10:45,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:10:42" (1/3) ... [2020-11-30 01:10:45,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5705fb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:10:45, skipping insertion in model container [2020-11-30 01:10:45,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:43" (2/3) ... [2020-11-30 01:10:45,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5705fb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:10:45, skipping insertion in model container [2020-11-30 01:10:45,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:45" (3/3) ... [2020-11-30 01:10:45,211 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2020-11-30 01:10:45,229 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:10:45,236 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 01:10:45,251 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:10:45,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:10:45,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:10:45,290 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:10:45,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:10:45,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:10:45,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:10:45,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:10:45,292 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:10:45,313 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-11-30 01:10:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:10:45,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:45,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:45,322 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:45,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:45,332 INFO L82 PathProgramCache]: Analyzing trace with hash 980862916, now seen corresponding path program 1 times [2020-11-30 01:10:45,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:45,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556060894] [2020-11-30 01:10:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:45,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556060894] [2020-11-30 01:10:45,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:45,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:10:45,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848614453] [2020-11-30 01:10:45,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:10:45,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:45,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:10:45,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:10:45,639 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-11-30 01:10:45,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:45,681 INFO L93 Difference]: Finished difference Result 266 states and 399 transitions. [2020-11-30 01:10:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:10:45,682 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 01:10:45,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:45,697 INFO L225 Difference]: With dead ends: 266 [2020-11-30 01:10:45,697 INFO L226 Difference]: Without dead ends: 131 [2020-11-30 01:10:45,701 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 [2020-11-30 01:10:45,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-30 01:10:45,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-11-30 01:10:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-11-30 01:10:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2020-11-30 01:10:45,762 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2020-11-30 01:10:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:45,763 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2020-11-30 01:10:45,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:10:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2020-11-30 01:10:45,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:10:45,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:45,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:45,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:10:45,765 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:45,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:45,766 INFO L82 PathProgramCache]: Analyzing trace with hash 762026947, now seen corresponding path program 1 times [2020-11-30 01:10:45,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:45,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559703074] [2020-11-30 01:10:45,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:45,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559703074] [2020-11-30 01:10:45,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:45,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:45,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308274512] [2020-11-30 01:10:45,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:45,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:45,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:45,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:45,980 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2020-11-30 01:10:46,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:46,009 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2020-11-30 01:10:46,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:46,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 01:10:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:46,019 INFO L225 Difference]: With dead ends: 131 [2020-11-30 01:10:46,019 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 01:10:46,021 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 [2020-11-30 01:10:46,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 01:10:46,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-30 01:10:46,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-30 01:10:46,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-30 01:10:46,036 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-30 01:10:46,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:46,037 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-30 01:10:46,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-30 01:10:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:10:46,041 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:46,041 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] [2020-11-30 01:10:46,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:10:46,042 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:46,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1314651584, now seen corresponding path program 1 times [2020-11-30 01:10:46,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:46,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969482054] [2020-11-30 01:10:46,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:46,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969482054] [2020-11-30 01:10:46,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:46,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:10:46,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652971187] [2020-11-30 01:10:46,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:10:46,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:46,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:10:46,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:46,250 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2020-11-30 01:10:46,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:46,365 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2020-11-30 01:10:46,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:10:46,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-30 01:10:46,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:46,367 INFO L225 Difference]: With dead ends: 127 [2020-11-30 01:10:46,367 INFO L226 Difference]: Without dead ends: 79 [2020-11-30 01:10:46,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:10:46,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-30 01:10:46,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2020-11-30 01:10:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-30 01:10:46,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2020-11-30 01:10:46,398 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 24 [2020-11-30 01:10:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:46,399 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2020-11-30 01:10:46,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:10:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2020-11-30 01:10:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:10:46,401 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:46,402 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] [2020-11-30 01:10:46,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:10:46,402 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:46,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:46,405 INFO L82 PathProgramCache]: Analyzing trace with hash 399769442, now seen corresponding path program 1 times [2020-11-30 01:10:46,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:46,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261272683] [2020-11-30 01:10:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:46,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261272683] [2020-11-30 01:10:46,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:46,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:10:46,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091179461] [2020-11-30 01:10:46,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:46,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:46,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:46,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:46,495 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand 3 states. [2020-11-30 01:10:46,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:46,561 INFO L93 Difference]: Finished difference Result 165 states and 245 transitions. [2020-11-30 01:10:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:46,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 01:10:46,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:46,564 INFO L225 Difference]: With dead ends: 165 [2020-11-30 01:10:46,564 INFO L226 Difference]: Without dead ends: 97 [2020-11-30 01:10:46,565 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 [2020-11-30 01:10:46,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-30 01:10:46,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2020-11-30 01:10:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-30 01:10:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 136 transitions. [2020-11-30 01:10:46,586 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 136 transitions. Word has length 26 [2020-11-30 01:10:46,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:46,586 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 136 transitions. [2020-11-30 01:10:46,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2020-11-30 01:10:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:10:46,588 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:46,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:46,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:10:46,589 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:46,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:46,590 INFO L82 PathProgramCache]: Analyzing trace with hash -521625591, now seen corresponding path program 1 times [2020-11-30 01:10:46,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:46,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3390569] [2020-11-30 01:10:46,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:46,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:46,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3390569] [2020-11-30 01:10:46,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:46,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:10:46,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566642876] [2020-11-30 01:10:46,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:10:46,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:46,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:10:46,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:46,732 INFO L87 Difference]: Start difference. First operand 95 states and 136 transitions. Second operand 5 states. [2020-11-30 01:10:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:46,940 INFO L93 Difference]: Finished difference Result 447 states and 651 transitions. [2020-11-30 01:10:46,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:10:46,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-30 01:10:46,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:46,945 INFO L225 Difference]: With dead ends: 447 [2020-11-30 01:10:46,945 INFO L226 Difference]: Without dead ends: 359 [2020-11-30 01:10:46,946 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 [2020-11-30 01:10:46,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-11-30 01:10:47,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 172. [2020-11-30 01:10:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-11-30 01:10:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 243 transitions. [2020-11-30 01:10:47,011 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 243 transitions. Word has length 27 [2020-11-30 01:10:47,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:47,011 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 243 transitions. [2020-11-30 01:10:47,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:10:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 243 transitions. [2020-11-30 01:10:47,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:10:47,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:47,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:47,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:10:47,015 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:47,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:47,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1955770751, now seen corresponding path program 1 times [2020-11-30 01:10:47,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:47,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987171605] [2020-11-30 01:10:47,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:47,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987171605] [2020-11-30 01:10:47,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:47,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:10:47,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374672670] [2020-11-30 01:10:47,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:10:47,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:47,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:10:47,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:47,136 INFO L87 Difference]: Start difference. First operand 172 states and 243 transitions. Second operand 5 states. [2020-11-30 01:10:47,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:47,354 INFO L93 Difference]: Finished difference Result 643 states and 913 transitions. [2020-11-30 01:10:47,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:10:47,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-30 01:10:47,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:47,358 INFO L225 Difference]: With dead ends: 643 [2020-11-30 01:10:47,358 INFO L226 Difference]: Without dead ends: 478 [2020-11-30 01:10:47,360 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 [2020-11-30 01:10:47,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-11-30 01:10:47,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 170. [2020-11-30 01:10:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-30 01:10:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2020-11-30 01:10:47,403 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 28 [2020-11-30 01:10:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:47,407 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2020-11-30 01:10:47,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:10:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2020-11-30 01:10:47,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:10:47,418 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:47,418 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, 1] [2020-11-30 01:10:47,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:10:47,419 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:47,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:47,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1721615084, now seen corresponding path program 1 times [2020-11-30 01:10:47,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:47,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150989883] [2020-11-30 01:10:47,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:47,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150989883] [2020-11-30 01:10:47,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:47,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:10:47,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118978793] [2020-11-30 01:10:47,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:10:47,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:47,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:10:47,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:10:47,527 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand 5 states. [2020-11-30 01:10:47,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:47,690 INFO L93 Difference]: Finished difference Result 495 states and 685 transitions. [2020-11-30 01:10:47,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:10:47,691 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-30 01:10:47,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:47,694 INFO L225 Difference]: With dead ends: 495 [2020-11-30 01:10:47,694 INFO L226 Difference]: Without dead ends: 332 [2020-11-30 01:10:47,695 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 [2020-11-30 01:10:47,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-11-30 01:10:47,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 182. [2020-11-30 01:10:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-30 01:10:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2020-11-30 01:10:47,722 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 36 [2020-11-30 01:10:47,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:47,723 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2020-11-30 01:10:47,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:10:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2020-11-30 01:10:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:10:47,726 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:47,726 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, 1] [2020-11-30 01:10:47,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:10:47,727 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:47,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:47,728 INFO L82 PathProgramCache]: Analyzing trace with hash 710497834, now seen corresponding path program 1 times [2020-11-30 01:10:47,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:47,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194968997] [2020-11-30 01:10:47,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:47,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194968997] [2020-11-30 01:10:47,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:47,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:10:47,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018152738] [2020-11-30 01:10:47,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:10:47,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:47,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:10:47,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:10:47,830 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand 6 states. [2020-11-30 01:10:47,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:47,993 INFO L93 Difference]: Finished difference Result 529 states and 719 transitions. [2020-11-30 01:10:47,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:10:47,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-30 01:10:47,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:47,998 INFO L225 Difference]: With dead ends: 529 [2020-11-30 01:10:47,998 INFO L226 Difference]: Without dead ends: 354 [2020-11-30 01:10:48,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:10:48,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-11-30 01:10:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 190. [2020-11-30 01:10:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-30 01:10:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 257 transitions. [2020-11-30 01:10:48,040 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 257 transitions. Word has length 36 [2020-11-30 01:10:48,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:48,041 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 257 transitions. [2020-11-30 01:10:48,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:10:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2020-11-30 01:10:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:10:48,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:48,042 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, 1] [2020-11-30 01:10:48,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:10:48,044 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:48,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:48,045 INFO L82 PathProgramCache]: Analyzing trace with hash -310570520, now seen corresponding path program 1 times [2020-11-30 01:10:48,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:48,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46249129] [2020-11-30 01:10:48,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:48,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46249129] [2020-11-30 01:10:48,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:48,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:10:48,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408344135] [2020-11-30 01:10:48,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:48,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:48,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:48,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:48,128 INFO L87 Difference]: Start difference. First operand 190 states and 257 transitions. Second operand 3 states. [2020-11-30 01:10:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:48,184 INFO L93 Difference]: Finished difference Result 461 states and 623 transitions. [2020-11-30 01:10:48,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:48,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-30 01:10:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:48,187 INFO L225 Difference]: With dead ends: 461 [2020-11-30 01:10:48,187 INFO L226 Difference]: Without dead ends: 278 [2020-11-30 01:10:48,188 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 [2020-11-30 01:10:48,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-11-30 01:10:48,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-11-30 01:10:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-11-30 01:10:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 367 transitions. [2020-11-30 01:10:48,228 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 367 transitions. Word has length 36 [2020-11-30 01:10:48,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:48,229 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 367 transitions. [2020-11-30 01:10:48,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:48,229 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 367 transitions. [2020-11-30 01:10:48,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:10:48,232 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:48,232 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, 1, 1] [2020-11-30 01:10:48,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:10:48,233 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:48,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:48,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1785049304, now seen corresponding path program 1 times [2020-11-30 01:10:48,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:48,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806372134] [2020-11-30 01:10:48,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:48,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806372134] [2020-11-30 01:10:48,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:48,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:10:48,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596649952] [2020-11-30 01:10:48,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:10:48,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:48,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:10:48,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:10:48,329 INFO L87 Difference]: Start difference. First operand 278 states and 367 transitions. Second operand 3 states. [2020-11-30 01:10:48,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:48,412 INFO L93 Difference]: Finished difference Result 405 states and 536 transitions. [2020-11-30 01:10:48,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:10:48,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-30 01:10:48,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:48,419 INFO L225 Difference]: With dead ends: 405 [2020-11-30 01:10:48,419 INFO L226 Difference]: Without dead ends: 403 [2020-11-30 01:10:48,420 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 [2020-11-30 01:10:48,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-11-30 01:10:48,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 328. [2020-11-30 01:10:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-11-30 01:10:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 440 transitions. [2020-11-30 01:10:48,469 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 440 transitions. Word has length 37 [2020-11-30 01:10:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:48,469 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 440 transitions. [2020-11-30 01:10:48,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:10:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 440 transitions. [2020-11-30 01:10:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 01:10:48,471 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:48,472 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:48,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:10:48,472 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:48,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:48,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1615190538, now seen corresponding path program 1 times [2020-11-30 01:10:48,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:48,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174273667] [2020-11-30 01:10:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 01:10:48,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174273667] [2020-11-30 01:10:48,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:48,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:10:48,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610639572] [2020-11-30 01:10:48,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:10:48,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:48,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:10:48,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:10:48,605 INFO L87 Difference]: Start difference. First operand 328 states and 440 transitions. Second operand 6 states. [2020-11-30 01:10:49,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:49,029 INFO L93 Difference]: Finished difference Result 1067 states and 1425 transitions. [2020-11-30 01:10:49,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 01:10:49,030 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-11-30 01:10:49,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:49,054 INFO L225 Difference]: With dead ends: 1067 [2020-11-30 01:10:49,055 INFO L226 Difference]: Without dead ends: 746 [2020-11-30 01:10:49,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-11-30 01:10:49,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-11-30 01:10:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 302. [2020-11-30 01:10:49,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-11-30 01:10:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 396 transitions. [2020-11-30 01:10:49,098 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 396 transitions. Word has length 59 [2020-11-30 01:10:49,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:49,099 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 396 transitions. [2020-11-30 01:10:49,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:10:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 396 transitions. [2020-11-30 01:10:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 01:10:49,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:10:49,101 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:10:49,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:10:49,102 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:10:49,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:49,102 INFO L82 PathProgramCache]: Analyzing trace with hash 855070338, now seen corresponding path program 1 times [2020-11-30 01:10:49,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:49,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403172774] [2020-11-30 01:10:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 01:10:49,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403172774] [2020-11-30 01:10:49,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:10:49,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:10:49,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317966491] [2020-11-30 01:10:49,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:10:49,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:10:49,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:10:49,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:10:49,223 INFO L87 Difference]: Start difference. First operand 302 states and 396 transitions. Second operand 6 states. [2020-11-30 01:10:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:10:49,632 INFO L93 Difference]: Finished difference Result 785 states and 1031 transitions. [2020-11-30 01:10:49,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 01:10:49,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-11-30 01:10:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:10:49,632 INFO L225 Difference]: With dead ends: 785 [2020-11-30 01:10:49,632 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:10:49,634 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 [2020-11-30 01:10:49,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:10:49,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:10:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:10:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:10:49,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-11-30 01:10:49,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:10:49,635 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:10:49,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:10:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:10:49,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:10:49,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:10:49,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:10:50,007 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 96 [2020-11-30 01:10:50,716 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 159 [2020-11-30 01:10:50,872 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 96 [2020-11-30 01:10:51,199 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 147 [2020-11-30 01:10:51,367 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99 [2020-11-30 01:10:51,522 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 100 [2020-11-30 01:10:51,633 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99 [2020-11-30 01:10:51,802 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 59 [2020-11-30 01:10:52,345 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 164 [2020-11-30 01:10:52,812 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 157 [2020-11-30 01:10:52,945 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 18 [2020-11-30 01:10:53,855 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2020-11-30 01:10:54,049 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 18 [2020-11-30 01:10:55,497 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 154 DAG size of output: 31 [2020-11-30 01:10:55,865 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 28 [2020-11-30 01:10:56,671 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 28 [2020-11-30 01:10:57,225 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2020-11-30 01:10:57,690 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 25 [2020-11-30 01:10:58,024 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2020-11-30 01:10:58,354 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2020-11-30 01:10:59,511 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-11-30 01:11:00,400 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 31 [2020-11-30 01:11:00,409 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:11:00,409 INFO L270 CegarLoopResult]: At program point L168(lines 1 987) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:11:00,409 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:11:00,409 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:11:00,409 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 01:11:00,409 INFO L274 CegarLoopResult]: For program point L499(lines 499 509) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L499-2(lines 499 509) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L499-4(lines 499 509) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 506) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L500-4(lines 500 506) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L302-3(lines 302 310) no Hoare annotation was computed. [2020-11-30 01:11:00,410 INFO L274 CegarLoopResult]: For program point L302-4(lines 302 310) no Hoare annotation was computed. [2020-11-30 01:11:00,411 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:11:00,411 INFO L274 CegarLoopResult]: For program point L302-5(lines 302 310) no Hoare annotation was computed. [2020-11-30 01:11:00,411 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:11:00,411 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-11-30 01:11:00,411 INFO L270 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-11-30 01:11:00,411 INFO L270 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-11-30 01:11:00,411 INFO L270 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-11-30 01:11:00,411 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-11-30 01:11:00,412 INFO L270 CegarLoopResult]: At program point L205-1(lines 205 211) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse8 .cse5 .cse6) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse6 .cse5))) [2020-11-30 01:11:00,412 INFO L270 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2020-11-30 01:11:00,412 INFO L270 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2020-11-30 01:11:00,412 INFO L270 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2020-11-30 01:11:00,412 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:11:00,412 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:11:00,413 INFO L270 CegarLoopResult]: At program point L903-2(lines 903 917) the Hoare annotation is: false [2020-11-30 01:11:00,413 INFO L274 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-11-30 01:11:00,413 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-30 01:11:00,413 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,413 INFO L274 CegarLoopResult]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,413 INFO L274 CegarLoopResult]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,413 INFO L274 CegarLoopResult]: For program point L443-5(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,413 INFO L270 CegarLoopResult]: At program point L245(lines 194 246) the Hoare annotation is: false [2020-11-30 01:11:00,413 INFO L274 CegarLoopResult]: For program point L443-6(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,413 INFO L274 CegarLoopResult]: For program point L443-8(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L443-9(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L443-11(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L443-12(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L443-14(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L443-15(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L443-17(lines 443 447) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L907(lines 907 911) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L907-1(lines 266 272) no Hoare annotation was computed. [2020-11-30 01:11:00,414 INFO L274 CegarLoopResult]: For program point L215(lines 215 221) no Hoare annotation was computed. [2020-11-30 01:11:00,416 INFO L270 CegarLoopResult]: At program point L215-1(lines 215 221) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4))) [2020-11-30 01:11:00,416 INFO L274 CegarLoopResult]: For program point L975(lines 975 982) no Hoare annotation was computed. [2020-11-30 01:11:00,416 INFO L277 CegarLoopResult]: At program point L975-1(lines 975 982) the Hoare annotation is: true [2020-11-30 01:11:00,417 INFO L270 CegarLoopResult]: At program point L449(lines 434 452) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:11:00,417 INFO L270 CegarLoopResult]: At program point L449-1(lines 434 452) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:11:00,417 INFO L270 CegarLoopResult]: At program point L449-2(lines 434 452) the Hoare annotation is: false [2020-11-30 01:11:00,417 INFO L270 CegarLoopResult]: At program point L449-3(lines 434 452) the Hoare annotation is: false [2020-11-30 01:11:00,417 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:11:00,418 INFO L270 CegarLoopResult]: At program point L449-4(lines 434 452) the Hoare annotation is: false [2020-11-30 01:11:00,418 INFO L270 CegarLoopResult]: At program point L449-5(lines 434 452) the Hoare annotation is: false [2020-11-30 01:11:00,418 INFO L270 CegarLoopResult]: At program point L484(lines 479 486) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:11:00,418 INFO L270 CegarLoopResult]: At program point L385(lines 378 388) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3))) [2020-11-30 01:11:00,418 INFO L270 CegarLoopResult]: At program point L385-1(lines 378 388) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:11:00,419 INFO L270 CegarLoopResult]: At program point L385-2(lines 378 388) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 .cse3 .cse4))) [2020-11-30 01:11:00,419 INFO L270 CegarLoopResult]: At program point L385-3(lines 378 388) the Hoare annotation is: false [2020-11-30 01:11:00,419 INFO L270 CegarLoopResult]: At program point L385-4(lines 378 388) the Hoare annotation is: false [2020-11-30 01:11:00,419 INFO L270 CegarLoopResult]: At program point L385-5(lines 378 388) the Hoare annotation is: false [2020-11-30 01:11:00,419 INFO L270 CegarLoopResult]: At program point L385-6(lines 378 388) the Hoare annotation is: false [2020-11-30 01:11:00,419 INFO L270 CegarLoopResult]: At program point L385-7(lines 378 388) the Hoare annotation is: false [2020-11-30 01:11:00,420 INFO L270 CegarLoopResult]: At program point L385-8(lines 378 388) the Hoare annotation is: false [2020-11-30 01:11:00,420 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-30 01:11:00,420 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-30 01:11:00,420 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-30 01:11:00,420 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:11:00,420 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-11-30 01:11:00,421 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:11:00,421 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-11-30 01:11:00,421 INFO L270 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 (not (= 0 ~systemActive~0)) .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse1 .cse2 .cse3))) [2020-11-30 01:11:00,421 INFO L270 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-11-30 01:11:00,422 INFO L277 CegarLoopResult]: At program point L984(lines 965 987) the Hoare annotation is: true [2020-11-30 01:11:00,422 INFO L270 CegarLoopResult]: At program point L951(lines 947 953) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:11:00,422 INFO L270 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-11-30 01:11:00,422 INFO L270 CegarLoopResult]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-11-30 01:11:00,422 INFO L270 CegarLoopResult]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-11-30 01:11:00,422 INFO L270 CegarLoopResult]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-11-30 01:11:00,423 INFO L270 CegarLoopResult]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2020-11-30 01:11:00,423 INFO L270 CegarLoopResult]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2020-11-30 01:11:00,423 INFO L270 CegarLoopResult]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2020-11-30 01:11:00,423 INFO L274 CegarLoopResult]: For program point L324(lines 324 341) no Hoare annotation was computed. [2020-11-30 01:11:00,423 INFO L274 CegarLoopResult]: For program point L324-1(lines 324 341) no Hoare annotation was computed. [2020-11-30 01:11:00,423 INFO L274 CegarLoopResult]: For program point L324-2(lines 324 341) no Hoare annotation was computed. [2020-11-30 01:11:00,424 INFO L274 CegarLoopResult]: For program point L225(lines 225 240) no Hoare annotation was computed. [2020-11-30 01:11:00,424 INFO L274 CegarLoopResult]: For program point L457(lines 457 463) no Hoare annotation was computed. [2020-11-30 01:11:00,424 INFO L270 CegarLoopResult]: At program point L457-1(lines 457 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 .cse3))) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2020-11-30 01:11:00,424 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:11:00,424 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-11-30 01:11:00,424 INFO L274 CegarLoopResult]: For program point L887-1(line 887) no Hoare annotation was computed. [2020-11-30 01:11:00,425 INFO L274 CegarLoopResult]: For program point L887-2(line 887) no Hoare annotation was computed. [2020-11-30 01:11:00,425 INFO L274 CegarLoopResult]: For program point L360(lines 360 366) no Hoare annotation was computed. [2020-11-30 01:11:00,425 INFO L274 CegarLoopResult]: For program point L360-2(lines 360 366) no Hoare annotation was computed. [2020-11-30 01:11:00,425 INFO L274 CegarLoopResult]: For program point L360-4(lines 360 366) no Hoare annotation was computed. [2020-11-30 01:11:00,425 INFO L274 CegarLoopResult]: For program point L360-6(lines 360 366) no Hoare annotation was computed. [2020-11-30 01:11:00,425 INFO L274 CegarLoopResult]: For program point L360-8(lines 360 366) no Hoare annotation was computed. [2020-11-30 01:11:00,425 INFO L274 CegarLoopResult]: For program point L360-10(lines 360 366) no Hoare annotation was computed. [2020-11-30 01:11:00,426 INFO L270 CegarLoopResult]: At program point L394(lines 389 397) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:11:00,426 INFO L270 CegarLoopResult]: At program point L394-1(lines 389 397) the Hoare annotation is: false [2020-11-30 01:11:00,426 INFO L274 CegarLoopResult]: For program point L328(lines 328 336) no Hoare annotation was computed. [2020-11-30 01:11:00,426 INFO L270 CegarLoopResult]: At program point L394-2(lines 389 397) the Hoare annotation is: false [2020-11-30 01:11:00,426 INFO L274 CegarLoopResult]: For program point L328-1(lines 328 336) no Hoare annotation was computed. [2020-11-30 01:11:00,426 INFO L274 CegarLoopResult]: For program point L328-2(lines 328 336) no Hoare annotation was computed. [2020-11-30 01:11:00,427 INFO L274 CegarLoopResult]: For program point L196(lines 195 244) no Hoare annotation was computed. [2020-11-30 01:11:00,427 INFO L274 CegarLoopResult]: For program point L197(lines 197 201) no Hoare annotation was computed. [2020-11-30 01:11:00,427 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:11:00,427 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:11:00,427 INFO L274 CegarLoopResult]: For program point L495(lines 495 512) no Hoare annotation was computed. [2020-11-30 01:11:00,428 INFO L270 CegarLoopResult]: At program point L495-1(lines 1 987) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse8 .cse5 .cse6) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse6 .cse5))) [2020-11-30 01:11:00,428 INFO L274 CegarLoopResult]: For program point L495-2(lines 495 512) no Hoare annotation was computed. [2020-11-30 01:11:00,428 INFO L270 CegarLoopResult]: At program point L495-3(lines 1 987) the Hoare annotation is: false [2020-11-30 01:11:00,428 INFO L274 CegarLoopResult]: For program point L495-4(lines 495 512) no Hoare annotation was computed. [2020-11-30 01:11:00,428 INFO L270 CegarLoopResult]: At program point L495-5(lines 1 987) the Hoare annotation is: false [2020-11-30 01:11:00,428 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-11-30 01:11:00,429 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-30 01:11:00,429 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-11-30 01:11:00,429 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-11-30 01:11:00,430 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-11-30 01:11:00,431 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-11-30 01:11:00,431 INFO L274 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-11-30 01:11:00,431 INFO L274 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2020-11-30 01:11:00,431 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2020-11-30 01:11:00,431 INFO L274 CegarLoopResult]: For program point L298-3(lines 298 315) no Hoare annotation was computed. [2020-11-30 01:11:00,431 INFO L274 CegarLoopResult]: For program point L298-4(lines 298 315) no Hoare annotation was computed. [2020-11-30 01:11:00,431 INFO L274 CegarLoopResult]: For program point L298-5(lines 298 315) no Hoare annotation was computed. [2020-11-30 01:11:00,432 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-30 01:11:00,432 INFO L270 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse6 .cse3 .cse4) (and .cse1 .cse7 .cse6 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2020-11-30 01:11:00,432 INFO L274 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-11-30 01:11:00,432 INFO L274 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2020-11-30 01:11:00,432 INFO L270 CegarLoopResult]: At program point L233-1(lines 266 272) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse6 .cse3 .cse4) (and .cse1 .cse7 .cse6 .cse3 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4))) [2020-11-30 01:11:00,433 INFO L270 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2020-11-30 01:11:00,433 INFO L270 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2020-11-30 01:11:00,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:11:00 BoogieIcfgContainer [2020-11-30 01:11:00,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:11:00,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:11:00,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:11:00,484 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:11:00,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:45" (3/4) ... [2020-11-30 01:11:00,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:11:00,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 01:11:00,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:11:00,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 01:11:00,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:11:00,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:11:00,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:00,545 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:00,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 01:11:00,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 01:11:00,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 01:11:00,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-30 01:11:00,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-30 01:11:00,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (methaneLevelCritical == 1 && (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((\result == 1 && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1))) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,582 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 01:11:00,583 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((!(\result == 0) && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-30 01:11:00,586 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-30 01:11:00,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-30 01:11:00,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 01:11:00,597 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-30 01:11:00,601 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-30 01:11:00,725 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_375b3c9d-cced-4450-96df-2ca245c58e3a/bin/uautomizer/witness.graphml [2020-11-30 01:11:00,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:11:00,728 INFO L168 Benchmark]: Toolchain (without parser) took 17714.89 ms. Allocated memory was 96.5 MB in the beginning and 302.0 MB in the end (delta: 205.5 MB). Free memory was 62.8 MB in the beginning and 177.8 MB in the end (delta: -115.0 MB). Peak memory consumption was 91.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:00,729 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 71.3 MB. Free memory was 31.3 MB in the beginning and 31.2 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:00,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.76 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 61.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:00,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.75 ms. Allocated memory is still 96.5 MB. Free memory was 61.3 MB in the beginning and 57.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:00,730 INFO L168 Benchmark]: Boogie Preprocessor took 108.37 ms. Allocated memory is still 96.5 MB. Free memory was 57.2 MB in the beginning and 54.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:00,731 INFO L168 Benchmark]: RCFGBuilder took 1250.65 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 54.4 MB in the beginning and 60.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:00,731 INFO L168 Benchmark]: TraceAbstraction took 15283.22 ms. Allocated memory was 125.8 MB in the beginning and 302.0 MB in the end (delta: 176.2 MB). Free memory was 60.1 MB in the beginning and 190.4 MB in the end (delta: -130.2 MB). Peak memory consumption was 143.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:00,732 INFO L168 Benchmark]: Witness Printer took 242.00 ms. Allocated memory is still 302.0 MB. Free memory was 190.4 MB in the beginning and 177.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:00,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 71.3 MB. Free memory was 31.3 MB in the beginning and 31.2 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.76 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 61.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 141.75 ms. Allocated memory is still 96.5 MB. Free memory was 61.3 MB in the beginning and 57.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.37 ms. Allocated memory is still 96.5 MB. Free memory was 57.2 MB in the beginning and 54.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1250.65 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 54.4 MB in the beginning and 60.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15283.22 ms. Allocated memory was 125.8 MB in the beginning and 302.0 MB in the end (delta: 176.2 MB). Free memory was 60.1 MB in the beginning and 190.4 MB in the end (delta: -130.2 MB). Peak memory consumption was 143.4 MB. Max. memory is 16.1 GB. * Witness Printer took 242.00 ms. Allocated memory is still 302.0 MB. Free memory was 190.4 MB in the beginning and 177.8 MB in the end (delta: 12.6 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: 434]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 1 && (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((\result == 1 && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1))) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 378]: 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: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((!(\result == 0) && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2154 SDslu, 2450 SDs, 0 SdLazy, 364 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1334 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 315 NumberOfFragments, 1242 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2390622 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 408013 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 412 ConstructedInterpolants, 0 QuantifiedInterpolants, 28378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 67/67 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...