./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:27:02,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:02,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:02,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:02,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:02,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:02,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:02,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:02,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:02,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:02,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:02,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:02,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:02,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:02,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:02,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:02,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:02,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:02,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:02,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:02,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:02,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:02,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:02,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:02,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:02,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:02,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:02,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:02,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:02,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:02,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:02,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:02,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:02,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:02,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:02,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:02,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:02,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:02,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:02,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:02,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:02,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:27:02,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:02,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:02,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:02,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:02,486 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:02,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:02,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:02,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:02,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:02,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:02,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:02,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:02,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:02,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:02,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:02,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:02,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:02,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:02,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:02,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:02,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:02,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:02,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:02,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:02,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:02,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:27:02,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:02,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:02,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f [2021-10-11 00:27:02,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:02,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:02,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:02,884 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:02,885 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:02,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-11 00:27:02,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/data/0057a0a53/59f183b5c3e44820adba302b605abf20/FLAG8de9451d0 [2021-10-11 00:27:03,557 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:03,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-11 00:27:03,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/data/0057a0a53/59f183b5c3e44820adba302b605abf20/FLAG8de9451d0 [2021-10-11 00:27:03,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/data/0057a0a53/59f183b5c3e44820adba302b605abf20 [2021-10-11 00:27:03,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:03,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:03,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:03,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:03,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:03,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:03" (1/1) ... [2021-10-11 00:27:03,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de927e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:03, skipping insertion in model container [2021-10-11 00:27:03,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:03" (1/1) ... [2021-10-11 00:27:03,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:03,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:04,082 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1281,1294] [2021-10-11 00:27:04,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:04,279 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:04,296 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1281,1294] [2021-10-11 00:27:04,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:04,481 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:04,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04 WrapperNode [2021-10-11 00:27:04,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:04,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:04,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:04,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:04,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:04,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:04,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:04,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:04,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... [2021-10-11 00:27:04,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:04,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:04,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:04,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:04,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:27:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:05,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:05,770 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-11 00:27:05,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:05 BoogieIcfgContainer [2021-10-11 00:27:05,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:05,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:05,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:05,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:05,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:03" (1/3) ... [2021-10-11 00:27:05,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1f4cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:05, skipping insertion in model container [2021-10-11 00:27:05,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:04" (2/3) ... [2021-10-11 00:27:05,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1f4cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:05, skipping insertion in model container [2021-10-11 00:27:05,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:05" (3/3) ... [2021-10-11 00:27:05,785 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2021-10-11 00:27:05,800 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:05,804 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:27:05,815 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:27:05,846 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:05,846 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:05,847 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:05,847 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:05,847 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:05,847 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:05,847 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:05,847 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2021-10-11 00:27:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:27:05,869 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:05,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:05,870 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:05,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:05,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2021-10-11 00:27:05,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:05,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142700388] [2021-10-11 00:27:05,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:06,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142700388] [2021-10-11 00:27:06,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:06,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:06,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101478374] [2021-10-11 00:27:06,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:27:06,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:06,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:27:06,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:06,210 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2021-10-11 00:27:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:06,265 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2021-10-11 00:27:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:27:06,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:27:06,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:06,290 INFO L225 Difference]: With dead ends: 223 [2021-10-11 00:27:06,291 INFO L226 Difference]: Without dead ends: 111 [2021-10-11 00:27:06,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:06,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-11 00:27:06,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-11 00:27:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 00:27:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2021-10-11 00:27:06,356 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2021-10-11 00:27:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:06,356 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2021-10-11 00:27:06,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:27:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-10-11 00:27:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:27:06,361 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:06,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:06,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:27:06,362 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:06,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:06,364 INFO L82 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2021-10-11 00:27:06,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:06,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016065041] [2021-10-11 00:27:06,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:06,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016065041] [2021-10-11 00:27:06,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:06,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:06,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241054167] [2021-10-11 00:27:06,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:06,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:06,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:06,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:06,531 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 3 states. [2021-10-11 00:27:06,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:06,552 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2021-10-11 00:27:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:06,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:27:06,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:06,555 INFO L225 Difference]: With dead ends: 111 [2021-10-11 00:27:06,555 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 00:27:06,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:06,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 00:27:06,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 00:27:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 00:27:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 00:27:06,565 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-11 00:27:06,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:06,566 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 00:27:06,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 00:27:06,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:27:06,568 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:06,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:06,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:27:06,570 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:06,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:06,571 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2021-10-11 00:27:06,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:06,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585427047] [2021-10-11 00:27:06,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:06,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585427047] [2021-10-11 00:27:06,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:06,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:06,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54755335] [2021-10-11 00:27:06,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:06,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:06,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:06,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:06,745 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2021-10-11 00:27:06,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:06,812 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2021-10-11 00:27:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:06,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:27:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:06,816 INFO L225 Difference]: With dead ends: 87 [2021-10-11 00:27:06,816 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 00:27:06,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:06,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 00:27:06,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 00:27:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 00:27:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 00:27:06,831 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-11 00:27:06,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:06,831 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 00:27:06,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 00:27:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:27:06,833 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:06,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:06,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:27:06,834 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:06,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:06,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2021-10-11 00:27:06,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:06,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366937644] [2021-10-11 00:27:06,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:06,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366937644] [2021-10-11 00:27:06,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:06,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:06,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544586764] [2021-10-11 00:27:06,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:06,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:06,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:06,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:06,935 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 00:27:06,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:06,974 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-10-11 00:27:06,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:06,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:27:06,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:06,977 INFO L225 Difference]: With dead ends: 109 [2021-10-11 00:27:06,977 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 00:27:06,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:06,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 00:27:06,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-11 00:27:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 00:27:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-10-11 00:27:06,998 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2021-10-11 00:27:06,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:06,999 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-10-11 00:27:06,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-10-11 00:27:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:27:07,001 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:07,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:07,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:27:07,002 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:07,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:07,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2021-10-11 00:27:07,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:07,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444071443] [2021-10-11 00:27:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:07,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444071443] [2021-10-11 00:27:07,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:07,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:07,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822336908] [2021-10-11 00:27:07,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:07,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:07,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:07,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:07,103 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2021-10-11 00:27:07,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:07,209 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2021-10-11 00:27:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:27:07,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 00:27:07,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:07,213 INFO L225 Difference]: With dead ends: 313 [2021-10-11 00:27:07,213 INFO L226 Difference]: Without dead ends: 253 [2021-10-11 00:27:07,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:27:07,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-10-11 00:27:07,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2021-10-11 00:27:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-10-11 00:27:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2021-10-11 00:27:07,243 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2021-10-11 00:27:07,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:07,244 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2021-10-11 00:27:07,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2021-10-11 00:27:07,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:27:07,249 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:07,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:07,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:27:07,250 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:07,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:07,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2021-10-11 00:27:07,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:07,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955227780] [2021-10-11 00:27:07,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:07,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955227780] [2021-10-11 00:27:07,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:07,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:07,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110748990] [2021-10-11 00:27:07,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:07,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:07,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:07,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:07,314 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 5 states. [2021-10-11 00:27:07,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:07,439 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2021-10-11 00:27:07,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:27:07,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:27:07,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:07,442 INFO L225 Difference]: With dead ends: 436 [2021-10-11 00:27:07,443 INFO L226 Difference]: Without dead ends: 324 [2021-10-11 00:27:07,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:27:07,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-10-11 00:27:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2021-10-11 00:27:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-10-11 00:27:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2021-10-11 00:27:07,464 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2021-10-11 00:27:07,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:07,466 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2021-10-11 00:27:07,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2021-10-11 00:27:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:27:07,470 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:07,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:07,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:27:07,471 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:07,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:07,471 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2021-10-11 00:27:07,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:07,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338701452] [2021-10-11 00:27:07,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:07,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338701452] [2021-10-11 00:27:07,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:07,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:07,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118964011] [2021-10-11 00:27:07,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:07,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:07,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:07,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:07,551 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand 5 states. [2021-10-11 00:27:07,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:07,617 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2021-10-11 00:27:07,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:27:07,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:27:07,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:07,619 INFO L225 Difference]: With dead ends: 315 [2021-10-11 00:27:07,619 INFO L226 Difference]: Without dead ends: 204 [2021-10-11 00:27:07,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:07,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-11 00:27:07,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2021-10-11 00:27:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-10-11 00:27:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2021-10-11 00:27:07,632 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2021-10-11 00:27:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:07,633 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2021-10-11 00:27:07,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-10-11 00:27:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:27:07,633 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:07,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:07,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:27:07,634 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:07,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:07,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2021-10-11 00:27:07,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:07,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899478731] [2021-10-11 00:27:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:07,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899478731] [2021-10-11 00:27:07,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:07,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:27:07,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283688271] [2021-10-11 00:27:07,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:27:07,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:07,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:27:07,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:27:07,687 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 4 states. [2021-10-11 00:27:07,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:07,733 INFO L93 Difference]: Finished difference Result 311 states and 421 transitions. [2021-10-11 00:27:07,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:27:07,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 00:27:07,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:07,737 INFO L225 Difference]: With dead ends: 311 [2021-10-11 00:27:07,737 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 00:27:07,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:07,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 00:27:07,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 138. [2021-10-11 00:27:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-10-11 00:27:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2021-10-11 00:27:07,754 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2021-10-11 00:27:07,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:07,754 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2021-10-11 00:27:07,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:27:07,754 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2021-10-11 00:27:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:27:07,755 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:07,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:07,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:27:07,755 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:07,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:07,756 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2021-10-11 00:27:07,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:07,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667324326] [2021-10-11 00:27:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:07,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667324326] [2021-10-11 00:27:07,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:07,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:07,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497249214] [2021-10-11 00:27:07,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:07,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:07,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:07,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:07,813 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 3 states. [2021-10-11 00:27:07,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:07,845 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2021-10-11 00:27:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:07,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:27:07,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:07,847 INFO L225 Difference]: With dead ends: 319 [2021-10-11 00:27:07,847 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 00:27:07,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:07,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 00:27:07,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-10-11 00:27:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-10-11 00:27:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2021-10-11 00:27:07,879 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2021-10-11 00:27:07,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:07,880 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2021-10-11 00:27:07,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2021-10-11 00:27:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:27:07,882 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:07,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:07,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:27:07,884 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:07,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:07,884 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2021-10-11 00:27:07,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:07,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868328124] [2021-10-11 00:27:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:07,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868328124] [2021-10-11 00:27:07,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:07,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:07,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250456979] [2021-10-11 00:27:07,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:27:07,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:07,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:07,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:07,955 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2021-10-11 00:27:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:08,002 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2021-10-11 00:27:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:08,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:27:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:08,004 INFO L225 Difference]: With dead ends: 287 [2021-10-11 00:27:08,004 INFO L226 Difference]: Without dead ends: 285 [2021-10-11 00:27:08,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:08,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-11 00:27:08,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2021-10-11 00:27:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 00:27:08,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2021-10-11 00:27:08,037 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2021-10-11 00:27:08,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:08,038 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2021-10-11 00:27:08,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:27:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2021-10-11 00:27:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 00:27:08,039 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:08,039 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:08,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:27:08,040 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:08,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:08,040 INFO L82 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2021-10-11 00:27:08,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:08,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024239204] [2021-10-11 00:27:08,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:27:08,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024239204] [2021-10-11 00:27:08,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:08,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-11 00:27:08,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985076684] [2021-10-11 00:27:08,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:27:08,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:08,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:27:08,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:27:08,158 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand 8 states. [2021-10-11 00:27:08,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:08,563 INFO L93 Difference]: Finished difference Result 741 states and 996 transitions. [2021-10-11 00:27:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-11 00:27:08,564 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2021-10-11 00:27:08,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:08,568 INFO L225 Difference]: With dead ends: 741 [2021-10-11 00:27:08,568 INFO L226 Difference]: Without dead ends: 520 [2021-10-11 00:27:08,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2021-10-11 00:27:08,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-10-11 00:27:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 205. [2021-10-11 00:27:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2021-10-11 00:27:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2021-10-11 00:27:08,595 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2021-10-11 00:27:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:08,596 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2021-10-11 00:27:08,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:27:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2021-10-11 00:27:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:27:08,597 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:08,597 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:08,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:27:08,598 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:08,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:08,598 INFO L82 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2021-10-11 00:27:08,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:08,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718030072] [2021-10-11 00:27:08,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:08,673 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:08,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718030072] [2021-10-11 00:27:08,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:08,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:08,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720440502] [2021-10-11 00:27:08,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:08,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:08,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:08,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:08,675 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 5 states. [2021-10-11 00:27:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:08,817 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2021-10-11 00:27:08,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:08,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-10-11 00:27:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:08,818 INFO L225 Difference]: With dead ends: 325 [2021-10-11 00:27:08,818 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:27:08,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:08,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:27:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:27:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:27:08,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:27:08,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 00:27:08,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:08,820 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:27:08,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:27:08,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:27:08,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:27:08,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:27:09,090 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 68 [2021-10-11 00:27:09,334 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 91 [2021-10-11 00:27:09,655 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-10-11 00:27:09,846 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2021-10-11 00:27:10,132 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2021-10-11 00:27:10,323 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 26 [2021-10-11 00:27:10,581 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2021-10-11 00:27:10,745 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 24 [2021-10-11 00:27:10,992 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2021-10-11 00:27:11,201 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2021-10-11 00:27:11,391 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 26 [2021-10-11 00:27:11,709 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 22 [2021-10-11 00:27:11,713 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:27:11,713 INFO L262 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-10-11 00:27:11,714 INFO L262 CegarLoopResult]: For program point L498-3(lines 498 502) no Hoare annotation was computed. [2021-10-11 00:27:11,714 INFO L262 CegarLoopResult]: For program point L498-6(lines 498 502) no Hoare annotation was computed. [2021-10-11 00:27:11,714 INFO L262 CegarLoopResult]: For program point L367(lines 367 380) no Hoare annotation was computed. [2021-10-11 00:27:11,714 INFO L262 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-10-11 00:27:11,714 INFO L258 CegarLoopResult]: At program point L70-1(lines 1 950) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (not .cse8)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not .cse3) (not .cse7) .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse0 .cse8 .cse2 .cse4 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6)))) [2021-10-11 00:27:11,714 INFO L262 CegarLoopResult]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2021-10-11 00:27:11,714 INFO L258 CegarLoopResult]: At program point L70-3(lines 1 950) the Hoare annotation is: false [2021-10-11 00:27:11,714 INFO L262 CegarLoopResult]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2021-10-11 00:27:11,715 INFO L258 CegarLoopResult]: At program point L70-5(lines 1 950) the Hoare annotation is: false [2021-10-11 00:27:11,715 INFO L262 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2021-10-11 00:27:11,715 INFO L262 CegarLoopResult]: For program point L203-1(lines 203 220) no Hoare annotation was computed. [2021-10-11 00:27:11,715 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2021-10-11 00:27:11,715 INFO L258 CegarLoopResult]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5 .cse6))) [2021-10-11 00:27:11,715 INFO L258 CegarLoopResult]: At program point L535-1(lines 530 538) the Hoare annotation is: (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not .cse6)) (.cse2 (not .cse7)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse6 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2021-10-11 00:27:11,715 INFO L258 CegarLoopResult]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2021-10-11 00:27:11,715 INFO L258 CegarLoopResult]: At program point L535-3(lines 530 538) the Hoare annotation is: false [2021-10-11 00:27:11,716 INFO L258 CegarLoopResult]: At program point L535-4(lines 530 538) the Hoare annotation is: false [2021-10-11 00:27:11,716 INFO L258 CegarLoopResult]: At program point L535-5(lines 530 538) the Hoare annotation is: false [2021-10-11 00:27:11,716 INFO L262 CegarLoopResult]: For program point L338(lines 337 384) no Hoare annotation was computed. [2021-10-11 00:27:11,716 INFO L262 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,716 INFO L262 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,716 INFO L262 CegarLoopResult]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,716 INFO L262 CegarLoopResult]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,716 INFO L262 CegarLoopResult]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,716 INFO L262 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L262 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-10-11 00:27:11,717 INFO L258 CegarLoopResult]: At program point L405-2(lines 405 419) the Hoare annotation is: false [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point L207(lines 207 215) no Hoare annotation was computed. [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point L207-1(lines 207 215) no Hoare annotation was computed. [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2021-10-11 00:27:11,718 INFO L262 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-10-11 00:27:11,719 INFO L258 CegarLoopResult]: At program point L375-2(lines 145 151) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:27:11,719 INFO L262 CegarLoopResult]: For program point L177(lines 177 194) no Hoare annotation was computed. [2021-10-11 00:27:11,719 INFO L262 CegarLoopResult]: For program point L177-1(lines 177 194) no Hoare annotation was computed. [2021-10-11 00:27:11,719 INFO L262 CegarLoopResult]: For program point L177-2(lines 177 194) no Hoare annotation was computed. [2021-10-11 00:27:11,719 INFO L262 CegarLoopResult]: For program point L177-3(lines 177 194) no Hoare annotation was computed. [2021-10-11 00:27:11,719 INFO L262 CegarLoopResult]: For program point L177-4(lines 177 194) no Hoare annotation was computed. [2021-10-11 00:27:11,719 INFO L262 CegarLoopResult]: For program point L177-5(lines 177 194) no Hoare annotation was computed. [2021-10-11 00:27:11,719 INFO L262 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2021-10-11 00:27:11,719 INFO L262 CegarLoopResult]: For program point L409-1(lines 145 151) no Hoare annotation was computed. [2021-10-11 00:27:11,720 INFO L258 CegarLoopResult]: At program point L145(lines 144 163) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= ~pumpRunning~0 0)) .cse0 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-10-11 00:27:11,720 INFO L262 CegarLoopResult]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2021-10-11 00:27:11,720 INFO L258 CegarLoopResult]: At program point L145-2(lines 144 163) the Hoare annotation is: false [2021-10-11 00:27:11,720 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:27:11,720 INFO L258 CegarLoopResult]: At program point L145-3(lines 144 163) the Hoare annotation is: false [2021-10-11 00:27:11,720 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:27:11,720 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:27:11,720 INFO L262 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2021-10-11 00:27:11,720 INFO L262 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2021-10-11 00:27:11,720 INFO L262 CegarLoopResult]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2021-10-11 00:27:11,721 INFO L262 CegarLoopResult]: For program point L575-3(lines 575 581) no Hoare annotation was computed. [2021-10-11 00:27:11,721 INFO L262 CegarLoopResult]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2021-10-11 00:27:11,721 INFO L262 CegarLoopResult]: For program point L575-5(lines 575 581) no Hoare annotation was computed. [2021-10-11 00:27:11,721 INFO L258 CegarLoopResult]: At program point L311(lines 296 314) the Hoare annotation is: false [2021-10-11 00:27:11,721 INFO L258 CegarLoopResult]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4))) [2021-10-11 00:27:11,721 INFO L258 CegarLoopResult]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2021-10-11 00:27:11,721 INFO L258 CegarLoopResult]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2021-10-11 00:27:11,721 INFO L258 CegarLoopResult]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2021-10-11 00:27:11,721 INFO L258 CegarLoopResult]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2021-10-11 00:27:11,722 INFO L262 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-10-11 00:27:11,722 INFO L262 CegarLoopResult]: For program point L477(lines 477 484) no Hoare annotation was computed. [2021-10-11 00:27:11,722 INFO L265 CegarLoopResult]: At program point L477-1(lines 477 484) the Hoare annotation is: true [2021-10-11 00:27:11,722 INFO L258 CegarLoopResult]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse6))) [2021-10-11 00:27:11,722 INFO L258 CegarLoopResult]: At program point L247-1(lines 240 250) the Hoare annotation is: false [2021-10-11 00:27:11,722 INFO L262 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2021-10-11 00:27:11,722 INFO L258 CegarLoopResult]: At program point L247-2(lines 240 250) the Hoare annotation is: false [2021-10-11 00:27:11,722 INFO L262 CegarLoopResult]: For program point L181-1(lines 181 189) no Hoare annotation was computed. [2021-10-11 00:27:11,722 INFO L262 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2021-10-11 00:27:11,723 INFO L262 CegarLoopResult]: For program point L181-3(lines 181 189) no Hoare annotation was computed. [2021-10-11 00:27:11,723 INFO L262 CegarLoopResult]: For program point L181-4(lines 181 189) no Hoare annotation was computed. [2021-10-11 00:27:11,723 INFO L262 CegarLoopResult]: For program point L181-5(lines 181 189) no Hoare annotation was computed. [2021-10-11 00:27:11,723 INFO L262 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2021-10-11 00:27:11,723 INFO L258 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (not .cse8)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not .cse3) (not .cse7) .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse7 .cse0 .cse8 .cse2 .cse4 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6)))) [2021-10-11 00:27:11,723 INFO L258 CegarLoopResult]: At program point L117(lines 1 950) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:27:11,723 INFO L258 CegarLoopResult]: At program point L580(lines 571 584) the Hoare annotation is: false [2021-10-11 00:27:11,723 INFO L258 CegarLoopResult]: At program point L580-1(lines 571 584) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4))) [2021-10-11 00:27:11,724 INFO L258 CegarLoopResult]: At program point L580-2(lines 571 584) the Hoare annotation is: false [2021-10-11 00:27:11,724 INFO L258 CegarLoopResult]: At program point L580-3(lines 571 584) the Hoare annotation is: false [2021-10-11 00:27:11,724 INFO L258 CegarLoopResult]: At program point L580-4(lines 571 584) the Hoare annotation is: false [2021-10-11 00:27:11,724 INFO L258 CegarLoopResult]: At program point L580-5(lines 571 584) the Hoare annotation is: false [2021-10-11 00:27:11,724 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:27:11,724 INFO L258 CegarLoopResult]: At program point L152(lines 152 158) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-10-11 00:27:11,724 INFO L258 CegarLoopResult]: At program point L152-1(lines 152 158) the Hoare annotation is: false [2021-10-11 00:27:11,724 INFO L258 CegarLoopResult]: At program point L152-2(lines 152 158) the Hoare annotation is: false [2021-10-11 00:27:11,724 INFO L258 CegarLoopResult]: At program point L385(lines 336 386) the Hoare annotation is: false [2021-10-11 00:27:11,725 INFO L265 CegarLoopResult]: At program point L486(lines 467 489) the Hoare annotation is: true [2021-10-11 00:27:11,725 INFO L258 CegarLoopResult]: At program point L453(lines 449 455) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:27:11,725 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:27:11,725 INFO L258 CegarLoopResult]: At program point L256(lines 251 259) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse5 .cse6) (and (not .cse4) .cse0 .cse1 .cse2 .cse3 .cse5 (= ~methAndRunningLastTime~0 0) .cse6))) [2021-10-11 00:27:11,725 INFO L258 CegarLoopResult]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2021-10-11 00:27:11,725 INFO L258 CegarLoopResult]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2021-10-11 00:27:11,725 INFO L258 CegarLoopResult]: At program point L125(lines 120 128) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:27:11,725 INFO L258 CegarLoopResult]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:27:11,726 INFO L262 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-10-11 00:27:11,726 INFO L262 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-10-11 00:27:11,726 INFO L258 CegarLoopResult]: At program point L357-1(lines 357 363) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:27:11,726 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:27:11,726 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:27:11,726 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:27:11,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:11 BoogieIcfgContainer [2021-10-11 00:27:11,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:27:11,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:27:11,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:27:11,755 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:27:11,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:05" (3/4) ... [2021-10-11 00:27:11,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:27:11,773 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:27:11,774 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:27:11,776 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:27:11,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:27:11,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:27:11,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:11,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:11,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:27:11,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:27:11,803 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:27:11,803 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:27:11,803 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:27:11,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:27:11,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:27:11,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:27:11,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:27:11,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:27:11,806 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:27:11,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2021-10-11 00:27:11,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) [2021-10-11 00:27:11,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(methaneLevelCritical == 0) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:27:11,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:27:11,868 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a9da91d-0214-452d-9da4-427848fac813/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:27:11,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:27:11,869 INFO L168 Benchmark]: Toolchain (without parser) took 8016.21 ms. Allocated memory was 94.4 MB in the beginning and 176.2 MB in the end (delta: 81.8 MB). Free memory was 57.0 MB in the beginning and 53.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:11,870 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 94.4 MB. Free memory was 74.3 MB in the beginning and 74.1 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:11,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.19 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 67.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:11,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.44 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 64.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:11,871 INFO L168 Benchmark]: Boogie Preprocessor took 76.83 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 61.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:11,871 INFO L168 Benchmark]: RCFGBuilder took 1133.12 ms. Allocated memory is still 94.4 MB. Free memory was 61.3 MB in the beginning and 70.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:11,871 INFO L168 Benchmark]: TraceAbstraction took 5976.77 ms. Allocated memory was 94.4 MB in the beginning and 176.2 MB in the end (delta: 81.8 MB). Free memory was 69.5 MB in the beginning and 64.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:11,872 INFO L168 Benchmark]: Witness Printer took 113.70 ms. Allocated memory is still 176.2 MB. Free memory was 64.4 MB in the beginning and 53.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:11,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 94.4 MB. Free memory was 74.3 MB in the beginning and 74.1 MB in the end (delta: 153.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 628.19 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 67.6 MB in the end (delta: -10.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.44 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 64.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.83 ms. Allocated memory is still 94.4 MB. Free memory was 64.1 MB in the beginning and 61.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1133.12 ms. Allocated memory is still 94.4 MB. Free memory was 61.3 MB in the beginning and 70.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5976.77 ms. Allocated memory was 94.4 MB in the beginning and 176.2 MB in the end (delta: 81.8 MB). Free memory was 69.5 MB in the beginning and 64.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. * Witness Printer took 113.70 ms. Allocated memory is still 176.2 MB. Free memory was 64.4 MB in the beginning and 53.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(methaneLevelCritical == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((!(0 == systemActive) && !(\result == 0)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((((((!(methaneLevelCritical == 0) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(\result == 0)) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((((!(pumpRunning == 0) && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && tmp == 1) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1115 SDtfs, 1438 SDslu, 1665 SDs, 0 SdLazy, 240 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 838 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 112 NumberOfFragments, 902 HoareAnnotationTreeSize, 44 FomulaSimplifications, 171666 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 19586 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 30823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...