./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.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_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/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 1934598361bf90cf9fb238c58075a62a8c7d160a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:19:45,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:45,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:45,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:45,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:45,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:45,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:45,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:45,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:45,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:45,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:45,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:45,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:45,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:45,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:45,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:45,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:45,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:45,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:45,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:45,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:45,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:45,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:45,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:45,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:45,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:45,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:45,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:45,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:45,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:45,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:45,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:45,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:45,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:45,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:45,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:45,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:45,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:45,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:45,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:45,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:45,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:45,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:45,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:45,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:45,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:45,498 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:45,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:45,499 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:45,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:45,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:45,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:45,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:45,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:45,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:45,500 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:45,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:45,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:45,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:45,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:45,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:45,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:45,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:45,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:45,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:45,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:45,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:45,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:45,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:45,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:45,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:45,507 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_8fbc556b-523e-4a37-8176-488a5031af6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1934598361bf90cf9fb238c58075a62a8c7d160a [2020-11-28 03:19:45,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:45,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:45,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:45,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:45,794 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:45,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2020-11-28 03:19:45,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/data/525659f25/e2fd92daaa104954a7be77bf88fee143/FLAG9be5d01dd [2020-11-28 03:19:46,321 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:46,321 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2020-11-28 03:19:46,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/data/525659f25/e2fd92daaa104954a7be77bf88fee143/FLAG9be5d01dd [2020-11-28 03:19:46,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/data/525659f25/e2fd92daaa104954a7be77bf88fee143 [2020-11-28 03:19:46,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:46,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:46,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:46,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:46,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:46,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:46" (1/1) ... [2020-11-28 03:19:46,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dda0314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:46, skipping insertion in model container [2020-11-28 03:19:46,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:46" (1/1) ... [2020-11-28 03:19:46,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:46,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:47,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:47,044 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:47,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:47,204 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:47,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47 WrapperNode [2020-11-28 03:19:47,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:47,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:47,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:47,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:47,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:47,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:47,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:47,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:47,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... [2020-11-28 03:19:47,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:47,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:47,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:47,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:47,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:48,974 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:48,977 INFO L298 CfgBuilder]: Removed 282 assume(true) statements. [2020-11-28 03:19:48,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:48 BoogieIcfgContainer [2020-11-28 03:19:48,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:48,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:48,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:48,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:48,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:46" (1/3) ... [2020-11-28 03:19:48,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bafe47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:48, skipping insertion in model container [2020-11-28 03:19:48,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:47" (2/3) ... [2020-11-28 03:19:48,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bafe47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:48, skipping insertion in model container [2020-11-28 03:19:48,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:48" (3/3) ... [2020-11-28 03:19:48,993 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2020-11-28 03:19:49,009 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:49,014 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:19:49,028 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:19:49,053 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:49,053 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:49,053 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:49,054 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:49,054 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:49,054 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:49,054 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:49,054 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-11-28 03:19:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:19:49,080 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:49,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:49,081 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:49,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:49,087 INFO L82 PathProgramCache]: Analyzing trace with hash -587287140, now seen corresponding path program 1 times [2020-11-28 03:19:49,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:49,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344625655] [2020-11-28 03:19:49,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:49,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344625655] [2020-11-28 03:19:49,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:49,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:49,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136144785] [2020-11-28 03:19:49,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:19:49,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:49,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:19:49,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:49,458 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-11-28 03:19:49,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:49,522 INFO L93 Difference]: Finished difference Result 375 states and 572 transitions. [2020-11-28 03:19:49,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:19:49,524 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:19:49,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:49,549 INFO L225 Difference]: With dead ends: 375 [2020-11-28 03:19:49,549 INFO L226 Difference]: Without dead ends: 185 [2020-11-28 03:19:49,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:49,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-11-28 03:19:49,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-11-28 03:19:49,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-11-28 03:19:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2020-11-28 03:19:49,638 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2020-11-28 03:19:49,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:49,639 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2020-11-28 03:19:49,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:19:49,639 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-11-28 03:19:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:19:49,640 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:49,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:49,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:49,641 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:49,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:49,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1634044037, now seen corresponding path program 1 times [2020-11-28 03:19:49,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:49,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331990128] [2020-11-28 03:19:49,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:49,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:49,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331990128] [2020-11-28 03:19:49,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:49,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:49,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449946841] [2020-11-28 03:19:49,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:49,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:49,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:49,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:49,752 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2020-11-28 03:19:49,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:49,766 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-11-28 03:19:49,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:49,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:19:49,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:49,769 INFO L225 Difference]: With dead ends: 185 [2020-11-28 03:19:49,769 INFO L226 Difference]: Without dead ends: 71 [2020-11-28 03:19:49,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-28 03:19:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-28 03:19:49,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-28 03:19:49,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-11-28 03:19:49,777 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2020-11-28 03:19:49,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:49,778 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-11-28 03:19:49,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-11-28 03:19:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:19:49,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:49,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:49,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:19:49,779 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:49,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:49,780 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2020-11-28 03:19:49,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:49,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757398184] [2020-11-28 03:19:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:49,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757398184] [2020-11-28 03:19:49,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:49,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:49,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713188145] [2020-11-28 03:19:49,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:49,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:49,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:49,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:49,943 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 6 states. [2020-11-28 03:19:50,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:50,151 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2020-11-28 03:19:50,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:50,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-11-28 03:19:50,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:50,158 INFO L225 Difference]: With dead ends: 136 [2020-11-28 03:19:50,158 INFO L226 Difference]: Without dead ends: 71 [2020-11-28 03:19:50,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:19:50,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-28 03:19:50,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-28 03:19:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-28 03:19:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2020-11-28 03:19:50,167 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2020-11-28 03:19:50,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:50,167 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2020-11-28 03:19:50,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:50,167 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-11-28 03:19:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:19:50,168 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:50,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:50,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:19:50,175 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:50,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:50,176 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2020-11-28 03:19:50,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:50,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369170667] [2020-11-28 03:19:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:50,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:50,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369170667] [2020-11-28 03:19:50,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:50,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:50,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381922546] [2020-11-28 03:19:50,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:50,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:50,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:50,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:50,273 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2020-11-28 03:19:50,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:50,337 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-11-28 03:19:50,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:50,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-28 03:19:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:50,338 INFO L225 Difference]: With dead ends: 145 [2020-11-28 03:19:50,338 INFO L226 Difference]: Without dead ends: 80 [2020-11-28 03:19:50,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-11-28 03:19:50,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2020-11-28 03:19:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-28 03:19:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2020-11-28 03:19:50,361 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2020-11-28 03:19:50,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:50,361 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2020-11-28 03:19:50,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-11-28 03:19:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 03:19:50,362 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:50,363 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] [2020-11-28 03:19:50,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:50,363 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:50,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:50,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2020-11-28 03:19:50,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:50,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027808189] [2020-11-28 03:19:50,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:50,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027808189] [2020-11-28 03:19:50,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:50,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:50,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443485129] [2020-11-28 03:19:50,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:50,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:50,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:50,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:50,445 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2020-11-28 03:19:50,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:50,618 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2020-11-28 03:19:50,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:50,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-28 03:19:50,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:50,620 INFO L225 Difference]: With dead ends: 204 [2020-11-28 03:19:50,620 INFO L226 Difference]: Without dead ends: 132 [2020-11-28 03:19:50,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:19:50,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-11-28 03:19:50,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2020-11-28 03:19:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-28 03:19:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-11-28 03:19:50,638 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2020-11-28 03:19:50,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:50,641 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-11-28 03:19:50,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-11-28 03:19:50,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 03:19:50,642 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:50,642 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] [2020-11-28 03:19:50,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:19:50,643 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:50,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:50,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2020-11-28 03:19:50,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:50,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647821539] [2020-11-28 03:19:50,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:50,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:50,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647821539] [2020-11-28 03:19:50,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:50,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:50,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432933519] [2020-11-28 03:19:50,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:50,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:50,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:50,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:50,745 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2020-11-28 03:19:50,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:50,907 INFO L93 Difference]: Finished difference Result 300 states and 417 transitions. [2020-11-28 03:19:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:50,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-28 03:19:50,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:50,910 INFO L225 Difference]: With dead ends: 300 [2020-11-28 03:19:50,910 INFO L226 Difference]: Without dead ends: 219 [2020-11-28 03:19:50,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:19:50,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-11-28 03:19:50,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 131. [2020-11-28 03:19:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-11-28 03:19:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2020-11-28 03:19:50,926 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 31 [2020-11-28 03:19:50,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:50,926 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2020-11-28 03:19:50,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2020-11-28 03:19:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:19:50,928 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:50,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:50,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:19:50,928 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:50,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:50,929 INFO L82 PathProgramCache]: Analyzing trace with hash -909797332, now seen corresponding path program 1 times [2020-11-28 03:19:50,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:50,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367696041] [2020-11-28 03:19:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:50,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367696041] [2020-11-28 03:19:50,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:50,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:50,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413983856] [2020-11-28 03:19:50,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:19:50,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:50,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:19:50,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:50,991 INFO L87 Difference]: Start difference. First operand 131 states and 176 transitions. Second operand 4 states. [2020-11-28 03:19:51,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:51,182 INFO L93 Difference]: Finished difference Result 278 states and 379 transitions. [2020-11-28 03:19:51,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:19:51,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-11-28 03:19:51,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:51,185 INFO L225 Difference]: With dead ends: 278 [2020-11-28 03:19:51,185 INFO L226 Difference]: Without dead ends: 197 [2020-11-28 03:19:51,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:51,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-28 03:19:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2020-11-28 03:19:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-11-28 03:19:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 260 transitions. [2020-11-28 03:19:51,215 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 260 transitions. Word has length 32 [2020-11-28 03:19:51,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:51,215 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 260 transitions. [2020-11-28 03:19:51,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:19:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2020-11-28 03:19:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:19:51,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:51,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:51,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:19:51,220 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:51,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:51,221 INFO L82 PathProgramCache]: Analyzing trace with hash -651631894, now seen corresponding path program 1 times [2020-11-28 03:19:51,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:51,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56537759] [2020-11-28 03:19:51,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:51,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56537759] [2020-11-28 03:19:51,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:51,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:51,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401357720] [2020-11-28 03:19:51,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:19:51,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:51,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:19:51,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:51,300 INFO L87 Difference]: Start difference. First operand 194 states and 260 transitions. Second operand 4 states. [2020-11-28 03:19:51,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:51,424 INFO L93 Difference]: Finished difference Result 456 states and 623 transitions. [2020-11-28 03:19:51,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:51,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-11-28 03:19:51,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:51,427 INFO L225 Difference]: With dead ends: 456 [2020-11-28 03:19:51,427 INFO L226 Difference]: Without dead ends: 311 [2020-11-28 03:19:51,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:51,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-28 03:19:51,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 185. [2020-11-28 03:19:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-11-28 03:19:51,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 248 transitions. [2020-11-28 03:19:51,447 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 248 transitions. Word has length 32 [2020-11-28 03:19:51,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:51,447 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 248 transitions. [2020-11-28 03:19:51,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:19:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 248 transitions. [2020-11-28 03:19:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:19:51,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:51,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:51,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:19:51,449 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:51,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:51,450 INFO L82 PathProgramCache]: Analyzing trace with hash 587797349, now seen corresponding path program 1 times [2020-11-28 03:19:51,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:51,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088137586] [2020-11-28 03:19:51,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:51,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088137586] [2020-11-28 03:19:51,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:51,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:51,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956877204] [2020-11-28 03:19:51,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:51,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:51,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:51,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:51,543 INFO L87 Difference]: Start difference. First operand 185 states and 248 transitions. Second operand 5 states. [2020-11-28 03:19:51,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:51,749 INFO L93 Difference]: Finished difference Result 418 states and 565 transitions. [2020-11-28 03:19:51,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:51,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:19:51,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:51,752 INFO L225 Difference]: With dead ends: 418 [2020-11-28 03:19:51,752 INFO L226 Difference]: Without dead ends: 282 [2020-11-28 03:19:51,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:19:51,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-28 03:19:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 181. [2020-11-28 03:19:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-28 03:19:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 240 transitions. [2020-11-28 03:19:51,772 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 240 transitions. Word has length 32 [2020-11-28 03:19:51,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:51,772 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 240 transitions. [2020-11-28 03:19:51,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 240 transitions. [2020-11-28 03:19:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 03:19:51,777 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:51,778 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:19:51,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:19:51,778 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:51,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:51,779 INFO L82 PathProgramCache]: Analyzing trace with hash -349153107, now seen corresponding path program 1 times [2020-11-28 03:19:51,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:51,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821256002] [2020-11-28 03:19:51,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:19:51,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821256002] [2020-11-28 03:19:51,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:51,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:19:51,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187437136] [2020-11-28 03:19:51,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:51,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:51,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:51,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:51,887 INFO L87 Difference]: Start difference. First operand 181 states and 240 transitions. Second operand 6 states. [2020-11-28 03:19:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:52,042 INFO L93 Difference]: Finished difference Result 379 states and 503 transitions. [2020-11-28 03:19:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:52,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-11-28 03:19:52,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:52,044 INFO L225 Difference]: With dead ends: 379 [2020-11-28 03:19:52,044 INFO L226 Difference]: Without dead ends: 204 [2020-11-28 03:19:52,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:19:52,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-11-28 03:19:52,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 154. [2020-11-28 03:19:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-11-28 03:19:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 199 transitions. [2020-11-28 03:19:52,059 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 199 transitions. Word has length 49 [2020-11-28 03:19:52,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:52,059 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 199 transitions. [2020-11-28 03:19:52,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 199 transitions. [2020-11-28 03:19:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 03:19:52,060 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:52,060 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:19:52,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:19:52,060 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:52,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:52,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1603394349, now seen corresponding path program 1 times [2020-11-28 03:19:52,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:52,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759161219] [2020-11-28 03:19:52,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:19:52,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759161219] [2020-11-28 03:19:52,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:52,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:52,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3443484] [2020-11-28 03:19:52,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:52,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:52,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:52,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:52,142 INFO L87 Difference]: Start difference. First operand 154 states and 199 transitions. Second operand 6 states. [2020-11-28 03:19:52,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:52,318 INFO L93 Difference]: Finished difference Result 742 states and 977 transitions. [2020-11-28 03:19:52,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:19:52,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-11-28 03:19:52,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:52,322 INFO L225 Difference]: With dead ends: 742 [2020-11-28 03:19:52,322 INFO L226 Difference]: Without dead ends: 594 [2020-11-28 03:19:52,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:19:52,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-11-28 03:19:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 300. [2020-11-28 03:19:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-11-28 03:19:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 385 transitions. [2020-11-28 03:19:52,362 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 385 transitions. Word has length 50 [2020-11-28 03:19:52,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:52,362 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 385 transitions. [2020-11-28 03:19:52,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 385 transitions. [2020-11-28 03:19:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 03:19:52,363 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:52,363 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:52,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:19:52,364 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:52,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:52,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1255133993, now seen corresponding path program 1 times [2020-11-28 03:19:52,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:52,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130211937] [2020-11-28 03:19:52,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:19:52,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130211937] [2020-11-28 03:19:52,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:52,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:52,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706868969] [2020-11-28 03:19:52,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:52,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:52,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:52,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:52,423 INFO L87 Difference]: Start difference. First operand 300 states and 385 transitions. Second operand 5 states. [2020-11-28 03:19:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:52,610 INFO L93 Difference]: Finished difference Result 780 states and 1006 transitions. [2020-11-28 03:19:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:19:52,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-28 03:19:52,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:52,615 INFO L225 Difference]: With dead ends: 780 [2020-11-28 03:19:52,615 INFO L226 Difference]: Without dead ends: 778 [2020-11-28 03:19:52,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:19:52,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-11-28 03:19:52,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 300. [2020-11-28 03:19:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-11-28 03:19:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 383 transitions. [2020-11-28 03:19:52,658 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 383 transitions. Word has length 51 [2020-11-28 03:19:52,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:52,658 INFO L481 AbstractCegarLoop]: Abstraction has 300 states and 383 transitions. [2020-11-28 03:19:52,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 383 transitions. [2020-11-28 03:19:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 03:19:52,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:52,660 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-11-28 03:19:52,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:19:52,660 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:52,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:52,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1891368542, now seen corresponding path program 1 times [2020-11-28 03:19:52,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:52,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969275909] [2020-11-28 03:19:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:52,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969275909] [2020-11-28 03:19:52,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363530970] [2020-11-28 03:19:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:19:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:52,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:19:52,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:53,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:19:53,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-11-28 03:19:53,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997490852] [2020-11-28 03:19:53,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:53,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:53,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:53,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:53,037 INFO L87 Difference]: Start difference. First operand 300 states and 383 transitions. Second operand 6 states. [2020-11-28 03:19:53,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:53,372 INFO L93 Difference]: Finished difference Result 968 states and 1254 transitions. [2020-11-28 03:19:53,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:19:53,373 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-11-28 03:19:53,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:53,377 INFO L225 Difference]: With dead ends: 968 [2020-11-28 03:19:53,377 INFO L226 Difference]: Without dead ends: 724 [2020-11-28 03:19:53,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:19:53,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-11-28 03:19:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 432. [2020-11-28 03:19:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-11-28 03:19:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 556 transitions. [2020-11-28 03:19:53,429 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 556 transitions. Word has length 57 [2020-11-28 03:19:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:53,429 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 556 transitions. [2020-11-28 03:19:53,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 556 transitions. [2020-11-28 03:19:53,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 03:19:53,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:53,431 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:53,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-28 03:19:53,653 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:53,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:53,654 INFO L82 PathProgramCache]: Analyzing trace with hash -195452411, now seen corresponding path program 2 times [2020-11-28 03:19:53,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:53,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036760068] [2020-11-28 03:19:53,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:19:53,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036760068] [2020-11-28 03:19:53,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:53,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:53,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915702296] [2020-11-28 03:19:53,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:53,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:53,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:53,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:53,862 INFO L87 Difference]: Start difference. First operand 432 states and 556 transitions. Second operand 5 states. [2020-11-28 03:19:54,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:54,384 INFO L93 Difference]: Finished difference Result 1334 states and 1736 transitions. [2020-11-28 03:19:54,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:54,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 03:19:54,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:54,391 INFO L225 Difference]: With dead ends: 1334 [2020-11-28 03:19:54,391 INFO L226 Difference]: Without dead ends: 956 [2020-11-28 03:19:54,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:19:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-11-28 03:19:54,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 608. [2020-11-28 03:19:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2020-11-28 03:19:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 775 transitions. [2020-11-28 03:19:54,488 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 775 transitions. Word has length 82 [2020-11-28 03:19:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:54,488 INFO L481 AbstractCegarLoop]: Abstraction has 608 states and 775 transitions. [2020-11-28 03:19:54,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 775 transitions. [2020-11-28 03:19:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 03:19:54,490 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:54,491 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:54,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-28 03:19:54,491 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:54,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:54,492 INFO L82 PathProgramCache]: Analyzing trace with hash -589819197, now seen corresponding path program 1 times [2020-11-28 03:19:54,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:54,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083712045] [2020-11-28 03:19:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 03:19:54,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083712045] [2020-11-28 03:19:54,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:54,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:54,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049324931] [2020-11-28 03:19:54,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:54,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:54,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:54,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:54,559 INFO L87 Difference]: Start difference. First operand 608 states and 775 transitions. Second operand 5 states. [2020-11-28 03:19:54,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:54,665 INFO L93 Difference]: Finished difference Result 1092 states and 1384 transitions. [2020-11-28 03:19:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:54,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 03:19:54,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:54,666 INFO L225 Difference]: With dead ends: 1092 [2020-11-28 03:19:54,666 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:19:54,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:19:54,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:19:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:19:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:19:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:19:54,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-11-28 03:19:54,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:54,670 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:54,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:19:54,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:19:54,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-28 03:19:54,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:19:55,298 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 184 [2020-11-28 03:19:55,494 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 109 [2020-11-28 03:19:55,924 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2020-11-28 03:19:56,308 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 153 [2020-11-28 03:19:56,760 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 173 [2020-11-28 03:19:57,122 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 119 [2020-11-28 03:19:58,623 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 176 DAG size of output: 22 [2020-11-28 03:19:58,961 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 30 [2020-11-28 03:19:59,081 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-11-28 03:19:59,909 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-11-28 03:20:00,629 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 27 [2020-11-28 03:20:01,455 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 35 [2020-11-28 03:20:01,709 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2020-11-28 03:20:02,050 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2020-11-28 03:20:02,365 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2020-11-28 03:20:02,547 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 35 [2020-11-28 03:20:02,906 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2020-11-28 03:20:02,932 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:02,932 INFO L274 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-11-28 03:20:02,933 INFO L270 CegarLoopResult]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3 .cse4) (and .cse5 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse3 .cse7 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse7 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4))) [2020-11-28 03:20:02,933 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:20:02,933 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:20:02,933 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:20:02,933 INFO L270 CegarLoopResult]: At program point L631(lines 626 634) the Hoare annotation is: false [2020-11-28 03:20:02,933 INFO L270 CegarLoopResult]: At program point L631-1(lines 626 634) the Hoare annotation is: false [2020-11-28 03:20:02,933 INFO L270 CegarLoopResult]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-11-28 03:20:02,933 INFO L274 CegarLoopResult]: For program point L764(lines 764 768) no Hoare annotation was computed. [2020-11-28 03:20:02,933 INFO L274 CegarLoopResult]: For program point L764-3(lines 764 768) no Hoare annotation was computed. [2020-11-28 03:20:02,933 INFO L274 CegarLoopResult]: For program point L764-6(lines 764 768) no Hoare annotation was computed. [2020-11-28 03:20:02,933 INFO L274 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-2(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-3(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-5(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L270 CegarLoopResult]: At program point L501(lines 501 507) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3))) [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-6(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L270 CegarLoopResult]: At program point L468(lines 421 469) the Hoare annotation is: false [2020-11-28 03:20:02,934 INFO L270 CegarLoopResult]: At program point L501-1(lines 501 507) the Hoare annotation is: false [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-8(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L270 CegarLoopResult]: At program point L501-2(lines 501 507) the Hoare annotation is: false [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-9(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-11(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-12(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-14(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-15(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L699-17(lines 699 703) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L270 CegarLoopResult]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2020-11-28 03:20:02,934 INFO L274 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-11-28 03:20:02,934 INFO L270 CegarLoopResult]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2020-11-28 03:20:02,935 INFO L270 CegarLoopResult]: At program point L833-1(lines 828 836) the Hoare annotation is: false [2020-11-28 03:20:02,935 INFO L270 CegarLoopResult]: At program point L833-2(lines 828 836) the Hoare annotation is: false [2020-11-28 03:20:02,935 INFO L270 CegarLoopResult]: At program point L801(lines 796 804) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:20:02,935 INFO L270 CegarLoopResult]: At program point L801-1(lines 796 804) the Hoare annotation is: false [2020-11-28 03:20:02,935 INFO L270 CegarLoopResult]: At program point L735(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:20:02,935 INFO L270 CegarLoopResult]: At program point L801-2(lines 796 804) the Hoare annotation is: false [2020-11-28 03:20:02,935 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:02,935 INFO L274 CegarLoopResult]: For program point L902(lines 902 906) no Hoare annotation was computed. [2020-11-28 03:20:02,935 INFO L274 CegarLoopResult]: For program point L869(lines 869 882) no Hoare annotation was computed. [2020-11-28 03:20:02,935 INFO L274 CegarLoopResult]: For program point L902-1(lines 494 500) no Hoare annotation was computed. [2020-11-28 03:20:02,935 INFO L270 CegarLoopResult]: At program point L869-1(lines 1 981) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~waterLevel~0 1) .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse3 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) .cse4))) [2020-11-28 03:20:02,935 INFO L274 CegarLoopResult]: For program point L869-2(lines 869 882) no Hoare annotation was computed. [2020-11-28 03:20:02,935 INFO L270 CegarLoopResult]: At program point L869-3(lines 1 981) the Hoare annotation is: false [2020-11-28 03:20:02,935 INFO L274 CegarLoopResult]: For program point L869-4(lines 869 882) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L270 CegarLoopResult]: At program point L869-5(lines 1 981) the Hoare annotation is: false [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L969(lines 969 976) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L277 CegarLoopResult]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2020-11-28 03:20:02,936 INFO L270 CegarLoopResult]: At program point L705(lines 690 708) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:20:02,936 INFO L270 CegarLoopResult]: At program point L705-1(lines 690 708) the Hoare annotation is: false [2020-11-28 03:20:02,936 INFO L270 CegarLoopResult]: At program point L705-2(lines 690 708) the Hoare annotation is: false [2020-11-28 03:20:02,936 INFO L270 CegarLoopResult]: At program point L705-3(lines 690 708) the Hoare annotation is: false [2020-11-28 03:20:02,936 INFO L270 CegarLoopResult]: At program point L705-4(lines 690 708) the Hoare annotation is: false [2020-11-28 03:20:02,936 INFO L270 CegarLoopResult]: At program point L705-5(lines 690 708) the Hoare annotation is: false [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L270 CegarLoopResult]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3))) [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L873-4(lines 873 879) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L841-1(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L841-2(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L841-3(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,936 INFO L274 CegarLoopResult]: For program point L841-4(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,937 INFO L274 CegarLoopResult]: For program point L841-5(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,937 INFO L274 CegarLoopResult]: For program point L841-6(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,938 INFO L274 CegarLoopResult]: For program point L841-7(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,938 INFO L274 CegarLoopResult]: For program point L841-8(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,938 INFO L274 CegarLoopResult]: For program point L841-9(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,938 INFO L274 CegarLoopResult]: For program point L841-10(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,939 INFO L274 CegarLoopResult]: For program point L841-11(lines 841 847) no Hoare annotation was computed. [2020-11-28 03:20:02,939 INFO L274 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-11-28 03:20:02,939 INFO L270 CegarLoopResult]: At program point L743(lines 738 746) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:20:02,939 INFO L274 CegarLoopResult]: For program point L578(lines 578 595) no Hoare annotation was computed. [2020-11-28 03:20:02,939 INFO L274 CegarLoopResult]: For program point L578-1(lines 578 595) no Hoare annotation was computed. [2020-11-28 03:20:02,939 INFO L274 CegarLoopResult]: For program point L578-2(lines 578 595) no Hoare annotation was computed. [2020-11-28 03:20:02,940 INFO L274 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,940 INFO L274 CegarLoopResult]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,940 INFO L274 CegarLoopResult]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,940 INFO L274 CegarLoopResult]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,940 INFO L274 CegarLoopResult]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,940 INFO L274 CegarLoopResult]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,940 INFO L274 CegarLoopResult]: For program point L680-9(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,940 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:02,941 INFO L274 CegarLoopResult]: For program point L680-11(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,941 INFO L274 CegarLoopResult]: For program point L680-12(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,941 INFO L274 CegarLoopResult]: For program point L680-14(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,941 INFO L274 CegarLoopResult]: For program point L680-15(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,941 INFO L274 CegarLoopResult]: For program point L680-17(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,941 INFO L274 CegarLoopResult]: For program point L680-18(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,941 INFO L274 CegarLoopResult]: For program point L680-20(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,941 INFO L274 CegarLoopResult]: For program point L680-21(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,942 INFO L277 CegarLoopResult]: At program point L978(lines 959 981) the Hoare annotation is: true [2020-11-28 03:20:02,942 INFO L274 CegarLoopResult]: For program point L680-23(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,942 INFO L274 CegarLoopResult]: For program point L680-24(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,942 INFO L270 CegarLoopResult]: At program point L846(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,942 INFO L274 CegarLoopResult]: For program point L680-26(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,942 INFO L270 CegarLoopResult]: At program point L846-1(lines 837 850) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_main_~tmp~10 1) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-11-28 03:20:02,945 INFO L274 CegarLoopResult]: For program point L680-27(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,945 INFO L270 CegarLoopResult]: At program point L846-2(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,946 INFO L270 CegarLoopResult]: At program point L846-3(lines 837 850) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_main_~tmp~10 1) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3))) [2020-11-28 03:20:02,946 INFO L274 CegarLoopResult]: For program point L680-29(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,946 INFO L270 CegarLoopResult]: At program point L846-4(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,946 INFO L274 CegarLoopResult]: For program point L680-30(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,946 INFO L270 CegarLoopResult]: At program point L846-5(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,947 INFO L270 CegarLoopResult]: At program point L846-6(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,947 INFO L274 CegarLoopResult]: For program point L680-32(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,948 INFO L270 CegarLoopResult]: At program point L846-7(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,948 INFO L274 CegarLoopResult]: For program point L680-33(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,949 INFO L274 CegarLoopResult]: For program point L582(lines 582 590) no Hoare annotation was computed. [2020-11-28 03:20:02,949 INFO L270 CegarLoopResult]: At program point L846-8(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,949 INFO L274 CegarLoopResult]: For program point L582-1(lines 582 590) no Hoare annotation was computed. [2020-11-28 03:20:02,949 INFO L270 CegarLoopResult]: At program point L846-9(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,950 INFO L274 CegarLoopResult]: For program point L680-35(lines 680 684) no Hoare annotation was computed. [2020-11-28 03:20:02,950 INFO L274 CegarLoopResult]: For program point L582-2(lines 582 590) no Hoare annotation was computed. [2020-11-28 03:20:02,950 INFO L270 CegarLoopResult]: At program point L846-10(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,951 INFO L270 CegarLoopResult]: At program point L846-11(lines 837 850) the Hoare annotation is: false [2020-11-28 03:20:02,951 INFO L270 CegarLoopResult]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:20:02,951 INFO L274 CegarLoopResult]: For program point L452(lines 452 463) no Hoare annotation was computed. [2020-11-28 03:20:02,951 INFO L274 CegarLoopResult]: For program point L552(lines 552 569) no Hoare annotation was computed. [2020-11-28 03:20:02,951 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 569) no Hoare annotation was computed. [2020-11-28 03:20:02,951 INFO L274 CegarLoopResult]: For program point L552-2(lines 552 569) no Hoare annotation was computed. [2020-11-28 03:20:02,952 INFO L274 CegarLoopResult]: For program point L552-3(lines 552 569) no Hoare annotation was computed. [2020-11-28 03:20:02,952 INFO L274 CegarLoopResult]: For program point L552-4(lines 552 569) no Hoare annotation was computed. [2020-11-28 03:20:02,961 INFO L274 CegarLoopResult]: For program point L552-5(lines 552 569) no Hoare annotation was computed. [2020-11-28 03:20:02,961 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:02,962 INFO L274 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-11-28 03:20:02,962 INFO L274 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-11-28 03:20:02,962 INFO L270 CegarLoopResult]: At program point L686(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,962 INFO L274 CegarLoopResult]: For program point L752-2(line 752) no Hoare annotation was computed. [2020-11-28 03:20:02,962 INFO L270 CegarLoopResult]: At program point L686-1(lines 671 689) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~6 0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not .cse1) (= ULTIMATE.start_main_~tmp~10 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse2) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and .cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse1 (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:20:02,962 INFO L270 CegarLoopResult]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,962 INFO L270 CegarLoopResult]: At program point L686-3(lines 671 689) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (not .cse0) (= ULTIMATE.start_main_~tmp~10 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (not .cse3) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse4 (<= 1 ~waterLevel~0) .cse5))) [2020-11-28 03:20:02,962 INFO L270 CegarLoopResult]: At program point L686-4(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,962 INFO L270 CegarLoopResult]: At program point L686-5(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,962 INFO L270 CegarLoopResult]: At program point L686-6(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,963 INFO L270 CegarLoopResult]: At program point L686-7(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,963 INFO L270 CegarLoopResult]: At program point L686-8(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,963 INFO L270 CegarLoopResult]: At program point L686-9(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,963 INFO L270 CegarLoopResult]: At program point L686-10(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,963 INFO L270 CegarLoopResult]: At program point L686-11(lines 671 689) the Hoare annotation is: false [2020-11-28 03:20:02,963 INFO L274 CegarLoopResult]: For program point L423(lines 422 467) no Hoare annotation was computed. [2020-11-28 03:20:02,963 INFO L270 CegarLoopResult]: At program point L622(lines 615 625) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:20:02,963 INFO L270 CegarLoopResult]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2020-11-28 03:20:02,963 INFO L274 CegarLoopResult]: For program point L556(lines 556 564) no Hoare annotation was computed. [2020-11-28 03:20:02,963 INFO L270 CegarLoopResult]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2020-11-28 03:20:02,963 INFO L274 CegarLoopResult]: For program point L556-1(lines 556 564) no Hoare annotation was computed. [2020-11-28 03:20:02,963 INFO L274 CegarLoopResult]: For program point L556-2(lines 556 564) no Hoare annotation was computed. [2020-11-28 03:20:02,963 INFO L274 CegarLoopResult]: For program point L556-3(lines 556 564) no Hoare annotation was computed. [2020-11-28 03:20:02,963 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-28 03:20:02,963 INFO L274 CegarLoopResult]: For program point L556-4(lines 556 564) no Hoare annotation was computed. [2020-11-28 03:20:02,964 INFO L274 CegarLoopResult]: For program point L556-5(lines 556 564) no Hoare annotation was computed. [2020-11-28 03:20:02,964 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:02,964 INFO L274 CegarLoopResult]: For program point L788(lines 788 792) no Hoare annotation was computed. [2020-11-28 03:20:02,964 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-11-28 03:20:02,964 INFO L274 CegarLoopResult]: For program point L458-2(lines 494 500) no Hoare annotation was computed. [2020-11-28 03:20:02,965 INFO L270 CegarLoopResult]: At program point L856(lines 851 859) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 0) (= ULTIMATE.start_main_~tmp~10 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:20:02,965 INFO L270 CegarLoopResult]: At program point L856-1(lines 851 859) the Hoare annotation is: false [2020-11-28 03:20:02,965 INFO L270 CegarLoopResult]: At program point L856-2(lines 851 859) the Hoare annotation is: false [2020-11-28 03:20:02,965 INFO L270 CegarLoopResult]: At program point L856-3(lines 851 859) the Hoare annotation is: false [2020-11-28 03:20:02,965 INFO L270 CegarLoopResult]: At program point L856-4(lines 851 859) the Hoare annotation is: false [2020-11-28 03:20:02,965 INFO L270 CegarLoopResult]: At program point L856-5(lines 851 859) the Hoare annotation is: false [2020-11-28 03:20:02,965 INFO L274 CegarLoopResult]: For program point L526(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,972 INFO L274 CegarLoopResult]: For program point L526-1(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-2(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-3(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-4(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-5(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-6(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-7(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-8(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-9(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-10(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L274 CegarLoopResult]: For program point L526-11(lines 526 543) no Hoare annotation was computed. [2020-11-28 03:20:02,973 INFO L270 CegarLoopResult]: At program point L494(lines 493 512) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 .cse3 .cse4))) [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L494-1(lines 494 500) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L270 CegarLoopResult]: At program point L494-2(lines 493 512) the Hoare annotation is: false [2020-11-28 03:20:02,974 INFO L270 CegarLoopResult]: At program point L494-3(lines 493 512) the Hoare annotation is: false [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-1(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-2(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-3(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-4(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-5(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-6(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-7(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-8(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-9(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-10(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:02,974 INFO L274 CegarLoopResult]: For program point L530-11(lines 530 538) no Hoare annotation was computed. [2020-11-28 03:20:03,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:03 BoogieIcfgContainer [2020-11-28 03:20:03,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:03,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:03,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:03,004 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:03,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:48" (3/4) ... [2020-11-28 03:20:03,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:03,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:20:03,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:20:03,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:20:03,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:20:03,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:20:03,052 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:03,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:03,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-28 03:20:03,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-11-28 03:20:03,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || ((((((((tmp == 1 && \result == 0) && \result == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) [2020-11-28 03:20:03,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:20:03,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:20:03,082 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:20:03,083 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:20:03,084 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) [2020-11-28 03:20:03,085 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-28 03:20:03,086 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-28 03:20:03,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:20:03,088 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(\result == 0) && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:20:03,090 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-28 03:20:03,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && !(\result == 0)) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 0 && tmp == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:20:03,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && \result == 1) && tmp == 1) && \result == systemActive) && \result == 0) && tmp___0 == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1 [2020-11-28 03:20:03,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 0 && !(\result == 0)) && tmp == 1) && tmp___0 == 0) && \result == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((((tmp == 0 && tmp == systemActive) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:20:03,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8fbc556b-523e-4a37-8176-488a5031af6a/bin/uautomizer/witness.graphml [2020-11-28 03:20:03,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:03,214 INFO L168 Benchmark]: Toolchain (without parser) took 16541.14 ms. Allocated memory was 88.1 MB in the beginning and 285.2 MB in the end (delta: 197.1 MB). Free memory was 54.9 MB in the beginning and 238.1 MB in the end (delta: -183.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:03,214 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 69.2 MB. Free memory was 31.2 MB in the beginning and 31.2 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:03,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.99 ms. Allocated memory is still 88.1 MB. Free memory was 54.7 MB in the beginning and 54.3 MB in the end (delta: 384.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:03,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.08 ms. Allocated memory is still 88.1 MB. Free memory was 54.3 MB in the beginning and 49.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:03,215 INFO L168 Benchmark]: Boogie Preprocessor took 84.77 ms. Allocated memory is still 88.1 MB. Free memory was 49.4 MB in the beginning and 46.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:03,216 INFO L168 Benchmark]: RCFGBuilder took 1598.74 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 46.0 MB in the beginning and 59.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:03,216 INFO L168 Benchmark]: TraceAbstraction took 14019.44 ms. Allocated memory was 107.0 MB in the beginning and 285.2 MB in the end (delta: 178.3 MB). Free memory was 59.9 MB in the beginning and 253.8 MB in the end (delta: -193.9 MB). Peak memory consumption was 151.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:03,217 INFO L168 Benchmark]: Witness Printer took 209.71 ms. Allocated memory is still 285.2 MB. Free memory was 253.8 MB in the beginning and 238.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:03,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 69.2 MB. Free memory was 31.2 MB in the beginning and 31.2 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 530.99 ms. Allocated memory is still 88.1 MB. Free memory was 54.7 MB in the beginning and 54.3 MB in the end (delta: 384.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.08 ms. Allocated memory is still 88.1 MB. Free memory was 54.3 MB in the beginning and 49.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.77 ms. Allocated memory is still 88.1 MB. Free memory was 49.4 MB in the beginning and 46.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1598.74 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 46.0 MB in the beginning and 59.9 MB in the end (delta: -13.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14019.44 ms. Allocated memory was 107.0 MB in the beginning and 285.2 MB in the end (delta: 178.3 MB). Free memory was 59.9 MB in the beginning and 253.8 MB in the end (delta: -193.9 MB). Peak memory consumption was 151.7 MB. Max. memory is 16.1 GB. * Witness Printer took 209.71 ms. Allocated memory is still 285.2 MB. Free memory was 253.8 MB in the beginning and 238.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 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: 442]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && \result == 1) && tmp == 1) && \result == systemActive) && \result == 0) && tmp___0 == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && !(\result == 0)) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((tmp == 0 && tmp == systemActive) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((tmp == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp)) || ((((((((tmp == 1 && \result == 0) && \result == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: ((((((((((tmp == 0 && !(\result == 0)) && tmp == 1) && tmp___0 == 0) && \result == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((((tmp == 0 && tmp == systemActive) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(\result == 0) && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 192 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.6s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2017 SDtfs, 3080 SDslu, 3099 SDs, 0 SdLazy, 485 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=608occurred in iteration=14, 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, 15 MinimizatonAttempts, 1827 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 230 NumberOfFragments, 740 HoareAnnotationTreeSize, 66 FomulaSimplifications, 3550471 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 66 FomulaSimplificationsInter, 446237 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 666 NumberOfCodeBlocks, 666 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 56485 SizeOfPredicates, 4 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 170/176 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...