./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23f993c1cfae7b9f66cc8c2fd252077854486eec ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:51:41,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:51:41,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:51:41,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:51:41,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:51:41,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:51:41,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:51:41,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:51:41,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:51:41,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:51:41,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:51:41,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:51:41,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:51:41,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:51:41,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:51:41,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:51:41,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:51:41,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:51:41,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:51:41,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:51:41,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:51:41,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:51:41,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:51:41,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:51:41,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:51:41,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:51:41,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:51:41,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:51:41,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:51:41,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:51:41,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:51:41,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:51:41,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:51:41,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:51:41,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:51:41,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:51:41,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:51:41,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:51:41,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:51:41,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:51:41,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:51:41,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:51:41,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:51:41,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:51:41,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:51:41,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:51:41,454 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:51:41,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:51:41,454 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:51:41,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:51:41,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:51:41,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:51:41,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:51:41,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:51:41,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:51:41,455 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:51:41,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:51:41,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:51:41,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:51:41,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:51:41,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:51:41,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:51:41,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:51:41,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:51:41,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:51:41,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:51:41,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:51:41,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:51:41,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:51:41,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:51:41,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:51:41,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1463cc7e-cc61-4147-98c0-099b9dbe79f7/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(__VERIFIER_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 -> 23f993c1cfae7b9f66cc8c2fd252077854486eec [2019-12-07 15:51:41,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:51:41,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:51:41,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:51:41,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:51:41,570 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:51:41,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c [2019-12-07 15:51:41,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/data/0de7a0840/42173f26647c43c7bf45fe76c3ca7603/FLAG0e4d3b723 [2019-12-07 15:51:42,044 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:51:42,045 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c [2019-12-07 15:51:42,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/data/0de7a0840/42173f26647c43c7bf45fe76c3ca7603/FLAG0e4d3b723 [2019-12-07 15:51:42,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/data/0de7a0840/42173f26647c43c7bf45fe76c3ca7603 [2019-12-07 15:51:42,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:51:42,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:51:42,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:51:42,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:51:42,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:51:42,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea5806a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42, skipping insertion in model container [2019-12-07 15:51:42,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:51:42,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:51:42,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:51:42,710 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:51:42,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:51:42,779 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:51:42,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42 WrapperNode [2019-12-07 15:51:42,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:51:42,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:51:42,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:51:42,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:51:42,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:51:42,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:51:42,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:51:42,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:51:42,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... [2019-12-07 15:51:42,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:51:42,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:51:42,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:51:42,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:51:42,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/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 [2019-12-07 15:51:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:51:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 15:51:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:51:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:51:43,498 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:51:43,498 INFO L287 CfgBuilder]: Removed 352 assume(true) statements. [2019-12-07 15:51:43,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:51:43 BoogieIcfgContainer [2019-12-07 15:51:43,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:51:43,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:51:43,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:51:43,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:51:43,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:51:42" (1/3) ... [2019-12-07 15:51:43,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b1e461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:51:43, skipping insertion in model container [2019-12-07 15:51:43,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:51:42" (2/3) ... [2019-12-07 15:51:43,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b1e461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:51:43, skipping insertion in model container [2019-12-07 15:51:43,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:51:43" (3/3) ... [2019-12-07 15:51:43,503 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2019-12-07 15:51:43,509 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:51:43,514 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:51:43,521 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:51:43,537 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:51:43,537 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:51:43,537 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:51:43,538 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:51:43,538 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:51:43,538 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:51:43,538 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:51:43,538 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:51:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states. [2019-12-07 15:51:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:51:43,556 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:43,557 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:43,557 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:43,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:43,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1958491676, now seen corresponding path program 1 times [2019-12-07 15:51:43,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:43,566 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187405748] [2019-12-07 15:51:43,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:43,715 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187405748] [2019-12-07 15:51:43,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:43,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:51:43,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173784598] [2019-12-07 15:51:43,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:51:43,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:43,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:51:43,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:51:43,729 INFO L87 Difference]: Start difference. First operand 229 states. Second operand 2 states. [2019-12-07 15:51:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:43,759 INFO L93 Difference]: Finished difference Result 451 states and 678 transitions. [2019-12-07 15:51:43,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:51:43,760 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 15:51:43,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:43,769 INFO L225 Difference]: With dead ends: 451 [2019-12-07 15:51:43,769 INFO L226 Difference]: Without dead ends: 225 [2019-12-07 15:51:43,772 INFO L630 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 [2019-12-07 15:51:43,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-12-07 15:51:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2019-12-07 15:51:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-12-07 15:51:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 331 transitions. [2019-12-07 15:51:43,810 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 331 transitions. Word has length 18 [2019-12-07 15:51:43,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:43,810 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 331 transitions. [2019-12-07 15:51:43,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:51:43,810 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 331 transitions. [2019-12-07 15:51:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:51:43,811 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:43,811 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:43,812 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:43,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:43,812 INFO L82 PathProgramCache]: Analyzing trace with hash 2117639651, now seen corresponding path program 1 times [2019-12-07 15:51:43,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:43,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898435212] [2019-12-07 15:51:43,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:43,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898435212] [2019-12-07 15:51:43,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:43,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:51:43,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423725552] [2019-12-07 15:51:43,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:51:43,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:43,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:51:43,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:51:43,872 INFO L87 Difference]: Start difference. First operand 225 states and 331 transitions. Second operand 3 states. [2019-12-07 15:51:43,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:43,886 INFO L93 Difference]: Finished difference Result 225 states and 331 transitions. [2019-12-07 15:51:43,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:51:43,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 15:51:43,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:43,888 INFO L225 Difference]: With dead ends: 225 [2019-12-07 15:51:43,888 INFO L226 Difference]: Without dead ends: 85 [2019-12-07 15:51:43,889 INFO L630 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 [2019-12-07 15:51:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-12-07 15:51:43,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-12-07 15:51:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 15:51:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2019-12-07 15:51:43,897 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 19 [2019-12-07 15:51:43,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:43,897 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2019-12-07 15:51:43,897 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:51:43,897 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2019-12-07 15:51:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 15:51:43,898 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:43,898 INFO L410 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] [2019-12-07 15:51:43,899 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:43,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1093564873, now seen corresponding path program 1 times [2019-12-07 15:51:43,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:43,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196647564] [2019-12-07 15:51:43,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:43,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:43,941 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196647564] [2019-12-07 15:51:43,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:43,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:51:43,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512366195] [2019-12-07 15:51:43,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:51:43,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:43,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:51:43,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:51:43,942 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 3 states. [2019-12-07 15:51:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:43,963 INFO L93 Difference]: Finished difference Result 163 states and 241 transitions. [2019-12-07 15:51:43,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:51:43,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 15:51:43,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:43,964 INFO L225 Difference]: With dead ends: 163 [2019-12-07 15:51:43,965 INFO L226 Difference]: Without dead ends: 85 [2019-12-07 15:51:43,965 INFO L630 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 [2019-12-07 15:51:43,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-12-07 15:51:43,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-12-07 15:51:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 15:51:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2019-12-07 15:51:43,973 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 24 [2019-12-07 15:51:43,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:43,973 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2019-12-07 15:51:43,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:51:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2019-12-07 15:51:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 15:51:43,975 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:43,975 INFO L410 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] [2019-12-07 15:51:43,975 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:43,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:43,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1439650817, now seen corresponding path program 1 times [2019-12-07 15:51:43,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:43,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529207865] [2019-12-07 15:51:43,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:44,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529207865] [2019-12-07 15:51:44,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:44,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:51:44,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730974356] [2019-12-07 15:51:44,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:51:44,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:44,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:51:44,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:51:44,026 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. Second operand 3 states. [2019-12-07 15:51:44,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:44,060 INFO L93 Difference]: Finished difference Result 170 states and 249 transitions. [2019-12-07 15:51:44,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:51:44,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 15:51:44,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:44,062 INFO L225 Difference]: With dead ends: 170 [2019-12-07 15:51:44,062 INFO L226 Difference]: Without dead ends: 92 [2019-12-07 15:51:44,062 INFO L630 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 [2019-12-07 15:51:44,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-12-07 15:51:44,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-12-07 15:51:44,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-12-07 15:51:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2019-12-07 15:51:44,070 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 27 [2019-12-07 15:51:44,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:44,071 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2019-12-07 15:51:44,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:51:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2019-12-07 15:51:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:51:44,072 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:44,072 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:44,072 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:44,073 INFO L82 PathProgramCache]: Analyzing trace with hash 554181389, now seen corresponding path program 1 times [2019-12-07 15:51:44,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:44,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440906311] [2019-12-07 15:51:44,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:44,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440906311] [2019-12-07 15:51:44,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:44,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:51:44,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655123900] [2019-12-07 15:51:44,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:51:44,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:44,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:51:44,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:51:44,109 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand 3 states. [2019-12-07 15:51:44,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:44,131 INFO L93 Difference]: Finished difference Result 225 states and 322 transitions. [2019-12-07 15:51:44,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:51:44,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 15:51:44,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:44,133 INFO L225 Difference]: With dead ends: 225 [2019-12-07 15:51:44,133 INFO L226 Difference]: Without dead ends: 142 [2019-12-07 15:51:44,133 INFO L630 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 [2019-12-07 15:51:44,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-12-07 15:51:44,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-12-07 15:51:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 15:51:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 197 transitions. [2019-12-07 15:51:44,141 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 197 transitions. Word has length 33 [2019-12-07 15:51:44,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:44,142 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 197 transitions. [2019-12-07 15:51:44,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:51:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 197 transitions. [2019-12-07 15:51:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 15:51:44,143 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:44,143 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:44,143 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:44,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:44,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1140987403, now seen corresponding path program 1 times [2019-12-07 15:51:44,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:44,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130901514] [2019-12-07 15:51:44,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:44,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130901514] [2019-12-07 15:51:44,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:44,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:51:44,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092732594] [2019-12-07 15:51:44,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:51:44,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:44,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:51:44,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:51:44,191 INFO L87 Difference]: Start difference. First operand 140 states and 197 transitions. Second operand 5 states. [2019-12-07 15:51:44,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:44,326 INFO L93 Difference]: Finished difference Result 679 states and 960 transitions. [2019-12-07 15:51:44,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 15:51:44,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 15:51:44,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:44,330 INFO L225 Difference]: With dead ends: 679 [2019-12-07 15:51:44,331 INFO L226 Difference]: Without dead ends: 546 [2019-12-07 15:51:44,331 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:51:44,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2019-12-07 15:51:44,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 259. [2019-12-07 15:51:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-12-07 15:51:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 358 transitions. [2019-12-07 15:51:44,356 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 358 transitions. Word has length 33 [2019-12-07 15:51:44,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:44,357 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 358 transitions. [2019-12-07 15:51:44,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:51:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 358 transitions. [2019-12-07 15:51:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 15:51:44,359 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:44,359 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:44,359 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:44,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:44,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1136134787, now seen corresponding path program 1 times [2019-12-07 15:51:44,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:44,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795739977] [2019-12-07 15:51:44,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:44,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795739977] [2019-12-07 15:51:44,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:44,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:51:44,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474244827] [2019-12-07 15:51:44,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:51:44,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:44,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:51:44,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:51:44,433 INFO L87 Difference]: Start difference. First operand 259 states and 358 transitions. Second operand 5 states. [2019-12-07 15:51:44,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:44,567 INFO L93 Difference]: Finished difference Result 997 states and 1377 transitions. [2019-12-07 15:51:44,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:51:44,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 15:51:44,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:44,572 INFO L225 Difference]: With dead ends: 997 [2019-12-07 15:51:44,572 INFO L226 Difference]: Without dead ends: 745 [2019-12-07 15:51:44,573 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 15:51:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-12-07 15:51:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2019-12-07 15:51:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-12-07 15:51:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 352 transitions. [2019-12-07 15:51:44,594 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 352 transitions. Word has length 34 [2019-12-07 15:51:44,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:44,594 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 352 transitions. [2019-12-07 15:51:44,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:51:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 352 transitions. [2019-12-07 15:51:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 15:51:44,595 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:44,596 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:44,596 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:44,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:44,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1429724992, now seen corresponding path program 1 times [2019-12-07 15:51:44,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:44,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683793907] [2019-12-07 15:51:44,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:44,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683793907] [2019-12-07 15:51:44,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:44,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:51:44,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070320786] [2019-12-07 15:51:44,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:51:44,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:44,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:51:44,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:51:44,644 INFO L87 Difference]: Start difference. First operand 257 states and 352 transitions. Second operand 5 states. [2019-12-07 15:51:44,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:44,718 INFO L93 Difference]: Finished difference Result 687 states and 929 transitions. [2019-12-07 15:51:44,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:51:44,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 15:51:44,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:44,720 INFO L225 Difference]: With dead ends: 687 [2019-12-07 15:51:44,720 INFO L226 Difference]: Without dead ends: 437 [2019-12-07 15:51:44,721 INFO L630 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 [2019-12-07 15:51:44,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-12-07 15:51:44,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2019-12-07 15:51:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-12-07 15:51:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 376 transitions. [2019-12-07 15:51:44,734 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 376 transitions. Word has length 37 [2019-12-07 15:51:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:44,734 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 376 transitions. [2019-12-07 15:51:44,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:51:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 376 transitions. [2019-12-07 15:51:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 15:51:44,735 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:44,735 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:44,735 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:44,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:44,735 INFO L82 PathProgramCache]: Analyzing trace with hash 418607742, now seen corresponding path program 1 times [2019-12-07 15:51:44,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:44,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113029362] [2019-12-07 15:51:44,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:44,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113029362] [2019-12-07 15:51:44,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:44,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:51:44,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531907076] [2019-12-07 15:51:44,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:51:44,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:44,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:51:44,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:51:44,761 INFO L87 Difference]: Start difference. First operand 281 states and 376 transitions. Second operand 4 states. [2019-12-07 15:51:44,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:44,809 INFO L93 Difference]: Finished difference Result 602 states and 798 transitions. [2019-12-07 15:51:44,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:51:44,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-12-07 15:51:44,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:44,812 INFO L225 Difference]: With dead ends: 602 [2019-12-07 15:51:44,812 INFO L226 Difference]: Without dead ends: 328 [2019-12-07 15:51:44,813 INFO L630 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 [2019-12-07 15:51:44,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-12-07 15:51:44,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 246. [2019-12-07 15:51:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-12-07 15:51:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 321 transitions. [2019-12-07 15:51:44,830 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 321 transitions. Word has length 37 [2019-12-07 15:51:44,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:44,830 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 321 transitions. [2019-12-07 15:51:44,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:51:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 321 transitions. [2019-12-07 15:51:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 15:51:44,831 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:44,831 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:44,832 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:44,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:44,832 INFO L82 PathProgramCache]: Analyzing trace with hash 933337340, now seen corresponding path program 1 times [2019-12-07 15:51:44,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:44,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863297404] [2019-12-07 15:51:44,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:44,872 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863297404] [2019-12-07 15:51:44,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:51:44,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 15:51:44,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209268481] [2019-12-07 15:51:44,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:51:44,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:44,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:51:44,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:51:44,873 INFO L87 Difference]: Start difference. First operand 246 states and 321 transitions. Second operand 6 states. [2019-12-07 15:51:45,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:45,059 INFO L93 Difference]: Finished difference Result 773 states and 1003 transitions. [2019-12-07 15:51:45,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 15:51:45,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-12-07 15:51:45,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:45,061 INFO L225 Difference]: With dead ends: 773 [2019-12-07 15:51:45,061 INFO L226 Difference]: Without dead ends: 534 [2019-12-07 15:51:45,062 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:51:45,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2019-12-07 15:51:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 246. [2019-12-07 15:51:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-12-07 15:51:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 315 transitions. [2019-12-07 15:51:45,074 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 315 transitions. Word has length 38 [2019-12-07 15:51:45,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:45,074 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 315 transitions. [2019-12-07 15:51:45,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:51:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 315 transitions. [2019-12-07 15:51:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 15:51:45,075 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:45,075 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:45,075 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:45,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:45,075 INFO L82 PathProgramCache]: Analyzing trace with hash -49055591, now seen corresponding path program 1 times [2019-12-07 15:51:45,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:45,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160839877] [2019-12-07 15:51:45,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:45,128 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 15:51:45,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160839877] [2019-12-07 15:51:45,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636598592] [2019-12-07 15:51:45,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/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 [2019-12-07 15:51:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:45,229 INFO L264 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:51:45,234 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:51:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:51:45,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:51:45,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-12-07 15:51:45,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533939210] [2019-12-07 15:51:45,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:51:45,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:45,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:51:45,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:51:45,250 INFO L87 Difference]: Start difference. First operand 246 states and 315 transitions. Second operand 3 states. [2019-12-07 15:51:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:45,284 INFO L93 Difference]: Finished difference Result 401 states and 517 transitions. [2019-12-07 15:51:45,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:51:45,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-12-07 15:51:45,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:45,287 INFO L225 Difference]: With dead ends: 401 [2019-12-07 15:51:45,288 INFO L226 Difference]: Without dead ends: 399 [2019-12-07 15:51:45,288 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:51:45,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-12-07 15:51:45,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 276. [2019-12-07 15:51:45,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-12-07 15:51:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 360 transitions. [2019-12-07 15:51:45,307 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 360 transitions. Word has length 63 [2019-12-07 15:51:45,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:45,307 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 360 transitions. [2019-12-07 15:51:45,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:51:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 360 transitions. [2019-12-07 15:51:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-07 15:51:45,308 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:51:45,309 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:51:45,509 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:51:45,510 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:51:45,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:51:45,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1604423861, now seen corresponding path program 1 times [2019-12-07 15:51:45,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:51:45,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275361400] [2019-12-07 15:51:45,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:51:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-07 15:51:45,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275361400] [2019-12-07 15:51:45,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092479285] [2019-12-07 15:51:45,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:51:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:51:45,691 INFO L264 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:51:45,695 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:51:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-07 15:51:45,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:51:45,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-12-07 15:51:45,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085185401] [2019-12-07 15:51:45,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:51:45,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:51:45,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:51:45,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:51:45,740 INFO L87 Difference]: Start difference. First operand 276 states and 360 transitions. Second operand 6 states. [2019-12-07 15:51:45,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:51:45,885 INFO L93 Difference]: Finished difference Result 606 states and 784 transitions. [2019-12-07 15:51:45,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 15:51:45,885 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2019-12-07 15:51:45,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:51:45,885 INFO L225 Difference]: With dead ends: 606 [2019-12-07 15:51:45,885 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:51:45,886 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-12-07 15:51:45,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:51:45,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:51:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:51:45,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:51:45,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2019-12-07 15:51:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:51:45,886 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:51:45,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:51:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:51:45,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:51:46,087 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:51:46,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:51:46,256 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 93 [2019-12-07 15:51:46,381 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 89 [2019-12-07 15:51:47,119 WARN L192 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 20 [2019-12-07 15:51:47,493 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 18 [2019-12-07 15:51:47,990 WARN L192 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 14 [2019-12-07 15:51:48,199 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 14 [2019-12-07 15:51:48,450 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 16 [2019-12-07 15:51:48,668 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 16 [2019-12-07 15:51:48,878 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2019-12-07 15:51:49,196 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-12-07 15:51:49,200 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-12-07 15:51:49,200 INFO L246 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-12-07 15:51:49,201 INFO L249 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-12-07 15:51:49,201 INFO L242 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: false [2019-12-07 15:51:49,201 INFO L242 CegarLoopResult]: At program point L700(lines 695 703) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 15:51:49,201 INFO L246 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,201 INFO L246 CegarLoopResult]: For program point L902-2(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,201 INFO L246 CegarLoopResult]: For program point L902-4(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,201 INFO L246 CegarLoopResult]: For program point L902-6(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,201 INFO L246 CegarLoopResult]: For program point L902-8(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,201 INFO L246 CegarLoopResult]: For program point L902-10(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,201 INFO L246 CegarLoopResult]: For program point L902-12(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L902-14(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L902-16(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L902-18(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L902-20(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L902-22(lines 902 908) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L573(lines 573 577) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L249 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L573-6(lines 573 577) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L840(lines 840 857) no Hoare annotation was computed. [2019-12-07 15:51:49,202 INFO L246 CegarLoopResult]: For program point L840-1(lines 840 857) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L840-2(lines 840 857) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L840-3(lines 840 857) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L840-4(lines 840 857) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L840-5(lines 840 857) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L844(lines 844 852) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L844-1(lines 844 852) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L844-2(lines 844 852) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L844-3(lines 844 852) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L844-4(lines 844 852) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L844-5(lines 844 852) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2019-12-07 15:51:49,203 INFO L246 CegarLoopResult]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-12-07 15:51:49,204 INFO L246 CegarLoopResult]: For program point L516-2(line 516) no Hoare annotation was computed. [2019-12-07 15:51:49,204 INFO L242 CegarLoopResult]: At program point L782(lines 781 800) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2))) [2019-12-07 15:51:49,204 INFO L246 CegarLoopResult]: For program point L782-1(lines 782 788) no Hoare annotation was computed. [2019-12-07 15:51:49,204 INFO L242 CegarLoopResult]: At program point L782-2(lines 781 800) the Hoare annotation is: false [2019-12-07 15:51:49,204 INFO L242 CegarLoopResult]: At program point L782-3(lines 781 800) the Hoare annotation is: false [2019-12-07 15:51:49,204 INFO L246 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,204 INFO L246 CegarLoopResult]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,204 INFO L246 CegarLoopResult]: For program point L650-2(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,204 INFO L246 CegarLoopResult]: For program point L650-3(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,204 INFO L246 CegarLoopResult]: For program point L650-4(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,204 INFO L246 CegarLoopResult]: For program point L650-5(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L650-6(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L650-7(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L650-8(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L650-9(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L650-10(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L650-11(lines 650 656) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L985(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,205 INFO L246 CegarLoopResult]: For program point L985-3(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,206 INFO L246 CegarLoopResult]: For program point L985-5(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,206 INFO L246 CegarLoopResult]: For program point L985-6(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,206 INFO L246 CegarLoopResult]: For program point L985-8(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,206 INFO L246 CegarLoopResult]: For program point L985-9(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,206 INFO L242 CegarLoopResult]: At program point L655(lines 646 659) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,206 INFO L242 CegarLoopResult]: At program point L655-1(lines 646 659) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,206 INFO L246 CegarLoopResult]: For program point L985-11(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,206 INFO L242 CegarLoopResult]: At program point L655-2(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,206 INFO L246 CegarLoopResult]: For program point L985-12(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,206 INFO L242 CegarLoopResult]: At program point L655-3(lines 646 659) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 15:51:49,206 INFO L242 CegarLoopResult]: At program point L655-4(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,207 INFO L246 CegarLoopResult]: For program point L985-14(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,207 INFO L242 CegarLoopResult]: At program point L655-5(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,207 INFO L246 CegarLoopResult]: For program point L985-15(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,207 INFO L242 CegarLoopResult]: At program point L655-6(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,207 INFO L246 CegarLoopResult]: For program point L985-17(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,207 INFO L242 CegarLoopResult]: At program point L655-7(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,207 INFO L246 CegarLoopResult]: For program point L985-18(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,207 INFO L242 CegarLoopResult]: At program point L655-8(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,207 INFO L242 CegarLoopResult]: At program point L655-9(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,207 INFO L246 CegarLoopResult]: For program point L985-20(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,207 INFO L242 CegarLoopResult]: At program point L655-10(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,207 INFO L246 CegarLoopResult]: For program point L985-21(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,207 INFO L242 CegarLoopResult]: At program point L655-11(lines 646 659) the Hoare annotation is: false [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-23(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-24(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-26(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-27(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-29(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-30(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-32(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-33(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L246 CegarLoopResult]: For program point L985-35(lines 985 989) no Hoare annotation was computed. [2019-12-07 15:51:49,208 INFO L242 CegarLoopResult]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 15:51:49,208 INFO L242 CegarLoopResult]: At program point L789-1(lines 789 795) the Hoare annotation is: false [2019-12-07 15:51:49,208 INFO L242 CegarLoopResult]: At program point L789-2(lines 789 795) the Hoare annotation is: false [2019-12-07 15:51:49,209 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:51:49,209 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-12-07 15:51:49,209 INFO L246 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-12-07 15:51:49,209 INFO L242 CegarLoopResult]: At program point L726-1(lines 726 732) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4 0) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse2 (= 1 ~methaneLevelCritical~0) .cse3))) [2019-12-07 15:51:49,209 INFO L242 CegarLoopResult]: At program point L991(lines 976 994) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,209 INFO L242 CegarLoopResult]: At program point L991-1(lines 976 994) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,209 INFO L242 CegarLoopResult]: At program point L991-2(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,209 INFO L242 CegarLoopResult]: At program point L991-3(lines 976 994) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 15:51:49,209 INFO L242 CegarLoopResult]: At program point L991-4(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,209 INFO L242 CegarLoopResult]: At program point L991-5(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L991-6(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L991-7(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L991-8(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L991-9(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L991-10(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L991-11(lines 976 994) the Hoare annotation is: false [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L529(lines 524 531) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L927(lines 920 930) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) .cse1) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L927-1(lines 920 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L927-2(lines 920 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,210 INFO L242 CegarLoopResult]: At program point L927-3(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-4(lines 920 930) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-5(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-6(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-7(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-8(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-9(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L246 CegarLoopResult]: For program point L597(lines 597 601) no Hoare annotation was computed. [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-10(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-11(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-12(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,211 INFO L242 CegarLoopResult]: At program point L927-13(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,212 INFO L242 CegarLoopResult]: At program point L927-14(lines 920 930) the Hoare annotation is: false [2019-12-07 15:51:49,212 INFO L242 CegarLoopResult]: At program point L665(lines 660 668) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,212 INFO L242 CegarLoopResult]: At program point L665-1(lines 660 668) the Hoare annotation is: false [2019-12-07 15:51:49,212 INFO L242 CegarLoopResult]: At program point L665-2(lines 660 668) the Hoare annotation is: false [2019-12-07 15:51:49,212 INFO L242 CegarLoopResult]: At program point L665-3(lines 660 668) the Hoare annotation is: false [2019-12-07 15:51:49,212 INFO L242 CegarLoopResult]: At program point L665-4(lines 660 668) the Hoare annotation is: false [2019-12-07 15:51:49,212 INFO L242 CegarLoopResult]: At program point L665-5(lines 660 668) the Hoare annotation is: false [2019-12-07 15:51:49,212 INFO L242 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 15:51:49,212 INFO L246 CegarLoopResult]: For program point L866(lines 866 883) no Hoare annotation was computed. [2019-12-07 15:51:49,212 INFO L246 CegarLoopResult]: For program point L866-1(lines 866 883) no Hoare annotation was computed. [2019-12-07 15:51:49,212 INFO L246 CegarLoopResult]: For program point L866-2(lines 866 883) no Hoare annotation was computed. [2019-12-07 15:51:49,212 INFO L246 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2019-12-07 15:51:49,213 INFO L242 CegarLoopResult]: At program point L736-1(lines 736 742) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 15:51:49,213 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-12-07 15:51:49,213 INFO L242 CegarLoopResult]: At program point L936(lines 931 939) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-12-07 15:51:49,213 INFO L242 CegarLoopResult]: At program point L936-1(lines 931 939) the Hoare annotation is: false [2019-12-07 15:51:49,213 INFO L246 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2019-12-07 15:51:49,213 INFO L242 CegarLoopResult]: At program point L936-2(lines 931 939) the Hoare annotation is: false [2019-12-07 15:51:49,213 INFO L246 CegarLoopResult]: For program point L870-1(lines 870 878) no Hoare annotation was computed. [2019-12-07 15:51:49,213 INFO L246 CegarLoopResult]: For program point L870-2(lines 870 878) no Hoare annotation was computed. [2019-12-07 15:51:49,213 INFO L246 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2019-12-07 15:51:49,213 INFO L242 CegarLoopResult]: At program point L540-1(lines 1 1021) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4 0) .cse2 .cse3) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse2 (= 1 ~methaneLevelCritical~0) .cse3) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse4 .cse2 .cse3))) [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L540-2(lines 540 557) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L242 CegarLoopResult]: At program point L540-3(lines 1 1021) the Hoare annotation is: false [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L540-4(lines 540 557) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L242 CegarLoopResult]: At program point L540-5(lines 1 1021) the Hoare annotation is: false [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004-3(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004-5(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004-6(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004-8(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004-9(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004-11(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,214 INFO L246 CegarLoopResult]: For program point L1004-12(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,215 INFO L246 CegarLoopResult]: For program point L1004-14(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,215 INFO L246 CegarLoopResult]: For program point L1004-15(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,215 INFO L246 CegarLoopResult]: For program point L1004-17(lines 1004 1008) no Hoare annotation was computed. [2019-12-07 15:51:49,215 INFO L242 CegarLoopResult]: At program point L610(lines 605 613) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) .cse1) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-12-07 15:51:49,215 INFO L242 CegarLoopResult]: At program point L610-1(lines 605 613) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,215 INFO L242 CegarLoopResult]: At program point L610-2(lines 605 613) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,215 INFO L246 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2019-12-07 15:51:49,215 INFO L242 CegarLoopResult]: At program point L610-3(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,215 INFO L242 CegarLoopResult]: At program point L610-4(lines 605 613) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 15:51:49,215 INFO L246 CegarLoopResult]: For program point L544-2(lines 544 554) no Hoare annotation was computed. [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-5(lines 605 613) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-6(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L246 CegarLoopResult]: For program point L544-4(lines 544 554) no Hoare annotation was computed. [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-7(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-8(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-9(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-10(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-11(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-12(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-13(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-14(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-15(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,216 INFO L242 CegarLoopResult]: At program point L610-16(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,217 INFO L242 CegarLoopResult]: At program point L610-17(lines 605 613) the Hoare annotation is: false [2019-12-07 15:51:49,217 INFO L246 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-12-07 15:51:49,217 INFO L246 CegarLoopResult]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2019-12-07 15:51:49,217 INFO L246 CegarLoopResult]: For program point L545-4(lines 545 551) no Hoare annotation was computed. [2019-12-07 15:51:49,217 INFO L242 CegarLoopResult]: At program point L1010(lines 995 1013) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:51:49,217 INFO L242 CegarLoopResult]: At program point L1010-1(lines 995 1013) the Hoare annotation is: false [2019-12-07 15:51:49,217 INFO L242 CegarLoopResult]: At program point L1010-2(lines 995 1013) the Hoare annotation is: false [2019-12-07 15:51:49,217 INFO L242 CegarLoopResult]: At program point L1010-3(lines 995 1013) the Hoare annotation is: false [2019-12-07 15:51:49,217 INFO L242 CegarLoopResult]: At program point L1010-4(lines 995 1013) the Hoare annotation is: false [2019-12-07 15:51:49,217 INFO L242 CegarLoopResult]: At program point L1010-5(lines 995 1013) the Hoare annotation is: false [2019-12-07 15:51:49,217 INFO L246 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2019-12-07 15:51:49,217 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:51:49,217 INFO L246 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,217 INFO L246 CegarLoopResult]: For program point L814-1(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-2(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-3(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-4(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-5(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-6(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-7(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-8(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-9(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-10(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L814-11(lines 814 831) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L242 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L818-1(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,218 INFO L246 CegarLoopResult]: For program point L818-2(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-3(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-4(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-5(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-6(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-7(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-8(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-9(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-10(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L818-11(lines 818 826) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L422-1(lines 782 788) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2019-12-07 15:51:49,219 INFO L242 CegarLoopResult]: At program point L754-2(lines 782 788) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 15:51:49,219 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:51:49,220 INFO L242 CegarLoopResult]: At program point L692(lines 1 1021) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 15:51:49,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:51:49 BoogieIcfgContainer [2019-12-07 15:51:49,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:51:49,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:51:49,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:51:49,249 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:51:49,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:51:43" (3/4) ... [2019-12-07 15:51:49,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:51:49,272 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 15:51:49,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:51:49,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 15:51:49,278 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:51:49,280 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:51:49,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:51:49,284 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:51:49,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 15:51:49,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-12-07 15:51:49,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 15:51:49,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 15:51:49,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 == \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-12-07 15:51:49,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 == \result) && 1 == \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-12-07 15:51:49,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-12-07 15:51:49,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter [2019-12-07 15:51:49,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:51:49,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter [2019-12-07 15:51:49,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 15:51:49,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:51:49,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 15:51:49,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:51:49,312 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:51:49,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:51:49,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:51:49,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:51:49,313 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:51:49,396 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1463cc7e-cc61-4147-98c0-099b9dbe79f7/bin/uautomizer/witness.graphml [2019-12-07 15:51:49,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:51:49,397 INFO L168 Benchmark]: Toolchain (without parser) took 6992.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 942.5 MB in the beginning and 1.2 GB in the end (delta: -256.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:51:49,397 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:51:49,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:51:49,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:51:49,398 INFO L168 Benchmark]: Boogie Preprocessor took 43.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:51:49,398 INFO L168 Benchmark]: RCFGBuilder took 621.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 967.8 MB in the end (delta: 98.2 MB). Peak memory consumption was 98.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:51:49,398 INFO L168 Benchmark]: TraceAbstraction took 5749.46 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 136.8 MB). Free memory was 967.8 MB in the beginning and 1.2 GB in the end (delta: -259.5 MB). Peak memory consumption was 299.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:51:49,398 INFO L168 Benchmark]: Witness Printer took 146.88 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:51:49,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 621.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 967.8 MB in the end (delta: 98.2 MB). Peak memory consumption was 98.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5749.46 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 136.8 MB). Free memory was 967.8 MB in the beginning and 1.2 GB in the end (delta: -259.5 MB). Peak memory consumption was 299.2 MB. Max. memory is 11.5 GB. * Witness Printer took 146.88 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 516]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 516]: 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: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 == \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 == \result) && 1 == \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 229 locations, 3 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, HoareTripleCheckerStatistics: 1834 SDtfs, 1991 SDslu, 2713 SDs, 0 SdLazy, 423 SolverSat, 93 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1428 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 246 NumberOfFragments, 755 HoareAnnotationTreeSize, 92 FomulaSimplifications, 524553 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 92 FomulaSimplificationsInter, 83552 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 594 ConstructedInterpolants, 0 QuantifiedInterpolants, 50546 SizeOfPredicates, 6 NumberOfNonLiveVariables, 984 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 136/140 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...