./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/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_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/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_eeeda64e-990e-472d-b68f-a6dd8d8c419b/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 9f33e15e0937d430cb63c24d59de4b6438b3be32 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:24:37,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:24:37,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:24:37,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:24:37,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:24:37,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:24:37,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:24:37,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:24:37,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:24:37,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:24:37,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:24:37,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:24:37,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:24:37,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:24:37,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:24:37,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:24:37,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:24:37,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:24:37,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:24:37,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:24:37,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:24:37,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:24:37,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:24:37,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:24:37,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:24:37,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:24:37,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:24:37,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:24:37,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:24:37,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:24:37,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:24:37,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:24:37,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:24:37,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:24:37,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:24:37,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:24:37,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:24:37,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:24:37,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:24:37,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:24:37,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:24:37,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:24:37,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:24:37,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:24:37,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:24:37,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:24:37,716 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:24:37,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:24:37,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:24:37,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:24:37,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:24:37,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:24:37,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:24:37,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:24:37,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:24:37,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:24:37,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:24:37,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:24:37,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:24:37,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:24:37,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:24:37,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:24:37,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:37,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:24:37,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:24:37,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:24:37,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:24:37,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:24:37,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:24:37,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:24:37,723 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_eeeda64e-990e-472d-b68f-a6dd8d8c419b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f33e15e0937d430cb63c24d59de4b6438b3be32 [2021-10-11 00:24:38,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:24:38,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:24:38,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:24:38,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:24:38,036 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:24:38,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-11 00:24:38,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/data/b25ff110c/b30a5e5535094ae59c414e7776f8eed7/FLAG651b884b6 [2021-10-11 00:24:38,674 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:24:38,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-11 00:24:38,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/data/b25ff110c/b30a5e5535094ae59c414e7776f8eed7/FLAG651b884b6 [2021-10-11 00:24:38,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/data/b25ff110c/b30a5e5535094ae59c414e7776f8eed7 [2021-10-11 00:24:38,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:24:38,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:24:38,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:38,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:24:38,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:24:38,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:38" (1/1) ... [2021-10-11 00:24:38,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5219d75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38, skipping insertion in model container [2021-10-11 00:24:38,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:38" (1/1) ... [2021-10-11 00:24:38,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:24:39,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:24:39,403 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_eeeda64e-990e-472d-b68f-a6dd8d8c419b/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18615,18628] [2021-10-11 00:24:39,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:39,420 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:24:39,529 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_eeeda64e-990e-472d-b68f-a6dd8d8c419b/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18615,18628] [2021-10-11 00:24:39,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:39,569 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:24:39,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39 WrapperNode [2021-10-11 00:24:39,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:39,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:39,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:24:39,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:24:39,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:39,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:24:39,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:24:39,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:24:39,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... [2021-10-11 00:24:39,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:24:39,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:24:39,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:24:39,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:24:39,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/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 00:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:24:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:24:40,880 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:24:40,880 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-11 00:24:40,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:40 BoogieIcfgContainer [2021-10-11 00:24:40,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:24:40,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:24:40,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:24:40,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:24:40,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:38" (1/3) ... [2021-10-11 00:24:40,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156215c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:40, skipping insertion in model container [2021-10-11 00:24:40,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:39" (2/3) ... [2021-10-11 00:24:40,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156215c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:40, skipping insertion in model container [2021-10-11 00:24:40,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:40" (3/3) ... [2021-10-11 00:24:40,893 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2021-10-11 00:24:40,912 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:24:40,916 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:24:40,926 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:24:40,965 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:24:40,965 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:24:40,966 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:24:40,966 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:24:40,966 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:24:40,966 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:24:40,966 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:24:40,966 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:24:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2021-10-11 00:24:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:24:40,987 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:40,988 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 00:24:40,988 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:40,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:40,994 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2021-10-11 00:24:41,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:41,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895653062] [2021-10-11 00:24:41,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:41,321 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 00:24:41,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895653062] [2021-10-11 00:24:41,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:41,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:41,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74911268] [2021-10-11 00:24:41,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:24:41,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:41,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:24:41,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:24:41,344 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2021-10-11 00:24:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:41,381 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-10-11 00:24:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:24:41,382 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:24:41,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:41,410 INFO L225 Difference]: With dead ends: 235 [2021-10-11 00:24:41,420 INFO L226 Difference]: Without dead ends: 117 [2021-10-11 00:24:41,424 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 00:24:41,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-11 00:24:41,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-10-11 00:24:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2021-10-11 00:24:41,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-10-11 00:24:41,492 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-10-11 00:24:41,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:41,492 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-10-11 00:24:41,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:24:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-10-11 00:24:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:24:41,497 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:41,498 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 00:24:41,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:24:41,498 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:41,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:41,501 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2021-10-11 00:24:41,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:41,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547053509] [2021-10-11 00:24:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:41,626 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 00:24:41,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547053509] [2021-10-11 00:24:41,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:41,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:41,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499785870] [2021-10-11 00:24:41,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:41,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:41,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:41,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:41,629 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2021-10-11 00:24:41,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:41,645 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-10-11 00:24:41,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:41,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:24:41,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:41,647 INFO L225 Difference]: With dead ends: 117 [2021-10-11 00:24:41,648 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 00:24:41,649 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 00:24:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 00:24:41,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 00:24:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:24:41,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-11 00:24:41,655 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-11 00:24:41,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:41,656 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-11 00:24:41,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:41,656 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-11 00:24:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:24:41,657 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:41,657 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 00:24:41,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:24:41,658 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:41,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:41,659 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2021-10-11 00:24:41,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:41,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759096200] [2021-10-11 00:24:41,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:41,802 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 00:24:41,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759096200] [2021-10-11 00:24:41,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:41,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:24:41,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733586312] [2021-10-11 00:24:41,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:41,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:41,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:41,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:41,806 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2021-10-11 00:24:41,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:41,857 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-10-11 00:24:41,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:24:41,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:24:41,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:41,859 INFO L225 Difference]: With dead ends: 91 [2021-10-11 00:24:41,859 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 00:24:41,860 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 00:24:41,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 00:24:41,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 00:24:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:24:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-11 00:24:41,867 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-11 00:24:41,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:41,867 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-11 00:24:41,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:41,868 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-11 00:24:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:24:41,869 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:41,869 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 00:24:41,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:24:41,869 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:41,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:41,870 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2021-10-11 00:24:41,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:41,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264253707] [2021-10-11 00:24:41,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:41,970 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 00:24:41,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264253707] [2021-10-11 00:24:41,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:41,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:41,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41769384] [2021-10-11 00:24:41,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:41,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:41,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:41,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:41,973 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2021-10-11 00:24:42,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:42,034 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 00:24:42,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:42,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:24:42,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:42,036 INFO L225 Difference]: With dead ends: 113 [2021-10-11 00:24:42,036 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 00:24:42,037 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 00:24:42,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 00:24:42,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-10-11 00:24:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 00:24:42,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-10-11 00:24:42,062 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-10-11 00:24:42,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:42,063 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-10-11 00:24:42,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-10-11 00:24:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:24:42,066 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:42,067 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 00:24:42,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:24:42,067 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:42,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:42,068 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2021-10-11 00:24:42,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:42,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041998042] [2021-10-11 00:24:42,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:42,213 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 00:24:42,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041998042] [2021-10-11 00:24:42,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:42,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:24:42,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283266035] [2021-10-11 00:24:42,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:42,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:42,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:42,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:42,219 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2021-10-11 00:24:42,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:42,332 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-10-11 00:24:42,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:24:42,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 00:24:42,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:42,335 INFO L225 Difference]: With dead ends: 182 [2021-10-11 00:24:42,336 INFO L226 Difference]: Without dead ends: 120 [2021-10-11 00:24:42,338 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 00:24:42,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-11 00:24:42,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-10-11 00:24:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 00:24:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-11 00:24:42,357 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-10-11 00:24:42,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:42,358 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-11 00:24:42,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-11 00:24:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:24:42,364 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:42,364 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 00:24:42,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:24:42,365 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:42,366 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2021-10-11 00:24:42,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:42,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725509396] [2021-10-11 00:24:42,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:42,466 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 00:24:42,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725509396] [2021-10-11 00:24:42,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:42,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:42,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61006377] [2021-10-11 00:24:42,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:42,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:42,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:42,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:42,473 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2021-10-11 00:24:42,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:42,572 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-10-11 00:24:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:24:42,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 00:24:42,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:42,576 INFO L225 Difference]: With dead ends: 387 [2021-10-11 00:24:42,576 INFO L226 Difference]: Without dead ends: 319 [2021-10-11 00:24:42,579 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 00:24:42,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-11 00:24:42,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-10-11 00:24:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-10-11 00:24:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-10-11 00:24:42,613 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-10-11 00:24:42,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:42,617 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-10-11 00:24:42,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-10-11 00:24:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:24:42,621 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:42,622 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 00:24:42,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:24:42,622 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:42,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:42,627 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2021-10-11 00:24:42,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:42,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617350883] [2021-10-11 00:24:42,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:42,700 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 00:24:42,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617350883] [2021-10-11 00:24:42,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:42,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:42,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413661554] [2021-10-11 00:24:42,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:42,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:42,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:42,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:42,704 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2021-10-11 00:24:42,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:42,859 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-10-11 00:24:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:24:42,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:24:42,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:42,863 INFO L225 Difference]: With dead ends: 506 [2021-10-11 00:24:42,863 INFO L226 Difference]: Without dead ends: 378 [2021-10-11 00:24:42,864 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 00:24:42,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-11 00:24:42,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-10-11 00:24:42,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2021-10-11 00:24:42,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-10-11 00:24:42,885 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-10-11 00:24:42,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:42,886 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-10-11 00:24:42,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-10-11 00:24:42,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:24:42,890 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:42,890 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 00:24:42,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:24:42,891 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:42,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:42,892 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2021-10-11 00:24:42,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:42,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338859910] [2021-10-11 00:24:42,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:42,981 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 00:24:42,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338859910] [2021-10-11 00:24:42,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:42,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:24:42,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059117277] [2021-10-11 00:24:42,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:24:42,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:42,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:24:42,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:24:42,984 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2021-10-11 00:24:43,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:43,089 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2021-10-11 00:24:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:24:43,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-10-11 00:24:43,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:43,091 INFO L225 Difference]: With dead ends: 357 [2021-10-11 00:24:43,092 INFO L226 Difference]: Without dead ends: 230 [2021-10-11 00:24:43,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:24:43,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-11 00:24:43,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2021-10-11 00:24:43,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-10-11 00:24:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-10-11 00:24:43,110 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-10-11 00:24:43,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:43,110 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-10-11 00:24:43,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:24:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-10-11 00:24:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:24:43,111 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:43,112 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 00:24:43,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:24:43,112 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:43,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:43,113 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2021-10-11 00:24:43,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:43,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733388864] [2021-10-11 00:24:43,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:43,192 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 00:24:43,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733388864] [2021-10-11 00:24:43,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:43,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:43,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595452468] [2021-10-11 00:24:43,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:43,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:43,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:43,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:43,198 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2021-10-11 00:24:43,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:43,239 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2021-10-11 00:24:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:43,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:24:43,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:43,244 INFO L225 Difference]: With dead ends: 327 [2021-10-11 00:24:43,244 INFO L226 Difference]: Without dead ends: 192 [2021-10-11 00:24:43,245 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 00:24:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-11 00:24:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-10-11 00:24:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2021-10-11 00:24:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-10-11 00:24:43,279 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2021-10-11 00:24:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:43,280 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-11 00:24:43,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-10-11 00:24:43,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:24:43,281 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:43,282 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 00:24:43,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:24:43,282 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:43,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:43,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2021-10-11 00:24:43,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:43,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006661989] [2021-10-11 00:24:43,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:43,354 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 00:24:43,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006661989] [2021-10-11 00:24:43,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:43,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:43,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566363321] [2021-10-11 00:24:43,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:43,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:43,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:43,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:43,358 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2021-10-11 00:24:43,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:43,405 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2021-10-11 00:24:43,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:43,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:24:43,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:43,408 INFO L225 Difference]: With dead ends: 295 [2021-10-11 00:24:43,408 INFO L226 Difference]: Without dead ends: 293 [2021-10-11 00:24:43,409 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 00:24:43,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-11 00:24:43,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2021-10-11 00:24:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2021-10-11 00:24:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2021-10-11 00:24:43,431 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2021-10-11 00:24:43,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:43,432 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2021-10-11 00:24:43,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2021-10-11 00:24:43,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:24:43,434 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:43,434 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 00:24:43,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:24:43,434 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:43,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:43,435 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2021-10-11 00:24:43,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:43,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443627404] [2021-10-11 00:24:43,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:43,522 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 00:24:43,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443627404] [2021-10-11 00:24:43,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:43,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:24:43,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2516482] [2021-10-11 00:24:43,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:43,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:43,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:43,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:43,526 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 5 states. [2021-10-11 00:24:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:43,647 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2021-10-11 00:24:43,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:24:43,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-10-11 00:24:43,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:43,651 INFO L225 Difference]: With dead ends: 374 [2021-10-11 00:24:43,651 INFO L226 Difference]: Without dead ends: 197 [2021-10-11 00:24:43,652 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 00:24:43,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-11 00:24:43,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-10-11 00:24:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-10-11 00:24:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-10-11 00:24:43,673 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2021-10-11 00:24:43,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:43,674 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-10-11 00:24:43,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-10-11 00:24:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:24:43,675 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:43,676 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:43,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:24:43,678 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:43,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:43,679 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2021-10-11 00:24:43,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:43,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261152582] [2021-10-11 00:24:43,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:24:43,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261152582] [2021-10-11 00:24:43,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:43,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:24:43,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650658159] [2021-10-11 00:24:43,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:24:43,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:43,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:24:43,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:24:43,771 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 7 states. [2021-10-11 00:24:43,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:43,908 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2021-10-11 00:24:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:24:43,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2021-10-11 00:24:43,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:43,911 INFO L225 Difference]: With dead ends: 528 [2021-10-11 00:24:43,912 INFO L226 Difference]: Without dead ends: 388 [2021-10-11 00:24:43,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:24:43,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-10-11 00:24:43,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2021-10-11 00:24:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-10-11 00:24:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2021-10-11 00:24:43,936 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2021-10-11 00:24:43,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:43,937 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2021-10-11 00:24:43,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:24:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2021-10-11 00:24:43,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:24:43,938 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:43,938 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:43,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:24:43,938 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:43,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:43,939 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2021-10-11 00:24:43,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:43,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383756112] [2021-10-11 00:24:43,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:44,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383756112] [2021-10-11 00:24:44,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:44,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:24:44,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018800861] [2021-10-11 00:24:44,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:24:44,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:44,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:24:44,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:24:44,063 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2021-10-11 00:24:44,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:44,299 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2021-10-11 00:24:44,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:24:44,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2021-10-11 00:24:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:44,300 INFO L225 Difference]: With dead ends: 485 [2021-10-11 00:24:44,300 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:24:44,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:24:44,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:24:44,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:24:44,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:24:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:24:44,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 00:24:44,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:44,303 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:24:44,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:24:44,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:24:44,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:24:44,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:24:44,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:24:44,516 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 80 [2021-10-11 00:24:44,689 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-10-11 00:24:44,995 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-10-11 00:24:45,115 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 84 [2021-10-11 00:24:45,630 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2021-10-11 00:24:45,805 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2021-10-11 00:24:45,949 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2021-10-11 00:24:46,293 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2021-10-11 00:24:46,449 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2021-10-11 00:24:46,585 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2021-10-11 00:24:46,855 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2021-10-11 00:24:47,278 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 43 [2021-10-11 00:24:47,506 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2021-10-11 00:24:47,774 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2021-10-11 00:24:47,777 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-10-11 00:24:47,777 INFO L262 CegarLoopResult]: For program point L169(lines 169 176) no Hoare annotation was computed. [2021-10-11 00:24:47,778 INFO L265 CegarLoopResult]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2021-10-11 00:24:47,778 INFO L258 CegarLoopResult]: At program point L599(lines 550 600) the Hoare annotation is: false [2021-10-11 00:24:47,778 INFO L262 CegarLoopResult]: For program point L401(lines 401 418) no Hoare annotation was computed. [2021-10-11 00:24:47,778 INFO L262 CegarLoopResult]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2021-10-11 00:24:47,778 INFO L262 CegarLoopResult]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2021-10-11 00:24:47,778 INFO L262 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:24:47,778 INFO L262 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2021-10-11 00:24:47,779 INFO L258 CegarLoopResult]: At program point L203-1(lines 1 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-10-11 00:24:47,779 INFO L262 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:24:47,779 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2021-10-11 00:24:47,779 INFO L258 CegarLoopResult]: At program point L203-3(lines 1 981) the Hoare annotation is: false [2021-10-11 00:24:47,779 INFO L262 CegarLoopResult]: For program point L203-4(lines 203 220) no Hoare annotation was computed. [2021-10-11 00:24:47,779 INFO L262 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:24:47,780 INFO L258 CegarLoopResult]: At program point L203-5(lines 1 981) the Hoare annotation is: false [2021-10-11 00:24:47,780 INFO L262 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,780 INFO L262 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,780 INFO L262 CegarLoopResult]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,780 INFO L262 CegarLoopResult]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,780 INFO L262 CegarLoopResult]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,780 INFO L262 CegarLoopResult]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,780 INFO L262 CegarLoopResult]: For program point L503-9(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,781 INFO L262 CegarLoopResult]: For program point L503-11(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,781 INFO L262 CegarLoopResult]: For program point L503-12(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,781 INFO L262 CegarLoopResult]: For program point L503-14(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,781 INFO L262 CegarLoopResult]: For program point L503-15(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,781 INFO L262 CegarLoopResult]: For program point L503-17(lines 503 507) no Hoare annotation was computed. [2021-10-11 00:24:47,781 INFO L262 CegarLoopResult]: For program point L405(lines 405 413) no Hoare annotation was computed. [2021-10-11 00:24:47,781 INFO L262 CegarLoopResult]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2021-10-11 00:24:47,782 INFO L262 CegarLoopResult]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2021-10-11 00:24:47,782 INFO L258 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1 .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2021-10-11 00:24:47,782 INFO L258 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2021-10-11 00:24:47,782 INFO L262 CegarLoopResult]: For program point L207(lines 207 217) no Hoare annotation was computed. [2021-10-11 00:24:47,782 INFO L258 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2021-10-11 00:24:47,782 INFO L262 CegarLoopResult]: For program point L207-2(lines 207 217) no Hoare annotation was computed. [2021-10-11 00:24:47,783 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) 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 00:24:47,783 INFO L262 CegarLoopResult]: For program point L207-4(lines 207 217) no Hoare annotation was computed. [2021-10-11 00:24:47,783 INFO L262 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2021-10-11 00:24:47,783 INFO L258 CegarLoopResult]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-10-11 00:24:47,783 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-10-11 00:24:47,783 INFO L262 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2021-10-11 00:24:47,784 INFO L262 CegarLoopResult]: For program point L208-2(lines 208 214) no Hoare annotation was computed. [2021-10-11 00:24:47,796 INFO L262 CegarLoopResult]: For program point L208-4(lines 208 214) no Hoare annotation was computed. [2021-10-11 00:24:47,796 INFO L258 CegarLoopResult]: At program point L143(lines 139 145) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:24:47,797 INFO L262 CegarLoopResult]: For program point L375(lines 375 392) no Hoare annotation was computed. [2021-10-11 00:24:47,797 INFO L262 CegarLoopResult]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2021-10-11 00:24:47,797 INFO L262 CegarLoopResult]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2021-10-11 00:24:47,797 INFO L262 CegarLoopResult]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2021-10-11 00:24:47,797 INFO L262 CegarLoopResult]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2021-10-11 00:24:47,797 INFO L262 CegarLoopResult]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2021-10-11 00:24:47,797 INFO L258 CegarLoopResult]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse3) .cse2 .cse6 .cse4 .cse5) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse2 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse6 .cse5))) [2021-10-11 00:24:47,798 INFO L262 CegarLoopResult]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2021-10-11 00:24:47,798 INFO L258 CegarLoopResult]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2021-10-11 00:24:47,798 INFO L258 CegarLoopResult]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2021-10-11 00:24:47,798 INFO L265 CegarLoopResult]: At program point L178(lines 159 181) the Hoare annotation is: true [2021-10-11 00:24:47,798 INFO L258 CegarLoopResult]: At program point L509(lines 494 512) the Hoare annotation is: false [2021-10-11 00:24:47,798 INFO L258 CegarLoopResult]: At program point L509-1(lines 494 512) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse7 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse6 .cse7 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse8 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse9 .cse5 .cse0 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse10) (and .cse6 .cse7 .cse0 .cse8 .cse1 .cse3 .cse4 .cse9 .cse5 .cse10))) [2021-10-11 00:24:47,799 INFO L258 CegarLoopResult]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2021-10-11 00:24:47,799 INFO L258 CegarLoopResult]: At program point L509-3(lines 494 512) the Hoare annotation is: false [2021-10-11 00:24:47,799 INFO L258 CegarLoopResult]: At program point L509-4(lines 494 512) the Hoare annotation is: false [2021-10-11 00:24:47,799 INFO L258 CegarLoopResult]: At program point L509-5(lines 494 512) the Hoare annotation is: false [2021-10-11 00:24:47,799 INFO L262 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2021-10-11 00:24:47,799 INFO L262 CegarLoopResult]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2021-10-11 00:24:47,800 INFO L262 CegarLoopResult]: For program point L313(lines 313 319) no Hoare annotation was computed. [2021-10-11 00:24:47,800 INFO L262 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2021-10-11 00:24:47,800 INFO L262 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2021-10-11 00:24:47,800 INFO L262 CegarLoopResult]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2021-10-11 00:24:47,800 INFO L262 CegarLoopResult]: For program point L313-2(lines 313 319) no Hoare annotation was computed. [2021-10-11 00:24:47,800 INFO L262 CegarLoopResult]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2021-10-11 00:24:47,800 INFO L262 CegarLoopResult]: For program point L313-3(lines 313 319) no Hoare annotation was computed. [2021-10-11 00:24:47,800 INFO L262 CegarLoopResult]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2021-10-11 00:24:47,801 INFO L262 CegarLoopResult]: For program point L313-4(lines 313 319) no Hoare annotation was computed. [2021-10-11 00:24:47,801 INFO L262 CegarLoopResult]: For program point L313-5(lines 313 319) no Hoare annotation was computed. [2021-10-11 00:24:47,801 INFO L262 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2021-10-11 00:24:47,801 INFO L262 CegarLoopResult]: For program point L581(lines 581 594) no Hoare annotation was computed. [2021-10-11 00:24:47,801 INFO L258 CegarLoopResult]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1 .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2021-10-11 00:24:47,802 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:24:47,802 INFO L258 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2021-10-11 00:24:47,802 INFO L258 CegarLoopResult]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2021-10-11 00:24:47,802 INFO L262 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2021-10-11 00:24:47,802 INFO L262 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2021-10-11 00:24:47,802 INFO L262 CegarLoopResult]: For program point L978-2(line 978) no Hoare annotation was computed. [2021-10-11 00:24:47,802 INFO L258 CegarLoopResult]: At program point L318(lines 309 322) the Hoare annotation is: false [2021-10-11 00:24:47,803 INFO L258 CegarLoopResult]: At program point L318-1(lines 309 322) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse7 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse8 .cse5))) [2021-10-11 00:24:47,803 INFO L258 CegarLoopResult]: At program point L318-2(lines 309 322) the Hoare annotation is: false [2021-10-11 00:24:47,803 INFO L258 CegarLoopResult]: At program point L318-3(lines 309 322) the Hoare annotation is: false [2021-10-11 00:24:47,803 INFO L258 CegarLoopResult]: At program point L318-4(lines 309 322) the Hoare annotation is: false [2021-10-11 00:24:47,803 INFO L258 CegarLoopResult]: At program point L318-5(lines 309 322) the Hoare annotation is: false [2021-10-11 00:24:47,803 INFO L262 CegarLoopResult]: For program point L552(lines 551 598) no Hoare annotation was computed. [2021-10-11 00:24:47,804 INFO L262 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2021-10-11 00:24:47,804 INFO L258 CegarLoopResult]: At program point L454(lines 449 457) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse4) .cse1 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse8 .cse6 .cse7) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) .cse1 .cse2 .cse4 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5 .cse8 .cse6))) [2021-10-11 00:24:47,804 INFO L258 CegarLoopResult]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2021-10-11 00:24:47,804 INFO L258 CegarLoopResult]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2021-10-11 00:24:47,804 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:24:47,805 INFO L258 CegarLoopResult]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2021-10-11 00:24:47,805 INFO L262 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-10-11 00:24:47,805 INFO L262 CegarLoopResult]: For program point L522-2(lines 522 526) no Hoare annotation was computed. [2021-10-11 00:24:47,805 INFO L262 CegarLoopResult]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2021-10-11 00:24:47,805 INFO L262 CegarLoopResult]: For program point L522-5(lines 522 526) no Hoare annotation was computed. [2021-10-11 00:24:47,805 INFO L262 CegarLoopResult]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2021-10-11 00:24:47,805 INFO L262 CegarLoopResult]: For program point L522-8(lines 522 526) no Hoare annotation was computed. [2021-10-11 00:24:47,806 INFO L258 CegarLoopResult]: At program point L192(lines 187 194) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:24:47,806 INFO L262 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2021-10-11 00:24:47,806 INFO L262 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2021-10-11 00:24:47,806 INFO L258 CegarLoopResult]: At program point L589-2(lines 343 349) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-10-11 00:24:47,806 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:24:47,806 INFO L262 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2021-10-11 00:24:47,806 INFO L262 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-10-11 00:24:47,807 INFO L262 CegarLoopResult]: For program point L96-1(lines 343 349) no Hoare annotation was computed. [2021-10-11 00:24:47,807 INFO L258 CegarLoopResult]: At program point L328(lines 323 331) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_main_~tmp~0 1) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:47,807 INFO L258 CegarLoopResult]: At program point L328-1(lines 323 331) the Hoare annotation is: false [2021-10-11 00:24:47,807 INFO L258 CegarLoopResult]: At program point L328-2(lines 323 331) the Hoare annotation is: false [2021-10-11 00:24:47,807 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:24:47,807 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-10-11 00:24:47,808 INFO L262 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2021-10-11 00:24:47,808 INFO L258 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2021-10-11 00:24:47,808 INFO L258 CegarLoopResult]: At program point L528(lines 513 531) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (= ULTIMATE.start_main_~tmp~0 1) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~5 1)) (not (= 0 ~systemActive~0)) (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:24:47,808 INFO L258 CegarLoopResult]: At program point L528-1(lines 513 531) the Hoare annotation is: false [2021-10-11 00:24:47,808 INFO L258 CegarLoopResult]: At program point L528-2(lines 513 531) the Hoare annotation is: false [2021-10-11 00:24:47,808 INFO L258 CegarLoopResult]: At program point L67(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:24:47,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:47 BoogieIcfgContainer [2021-10-11 00:24:47,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:24:47,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:24:47,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:24:47,858 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:24:47,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:40" (3/4) ... [2021-10-11 00:24:47,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:24:47,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:24:47,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:24:47,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:24:47,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:24:47,885 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:24:47,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:47,887 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:47,911 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 00:24:47,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:24:47,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:24:47,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:24:47,912 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:24:47,912 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:24:47,913 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:24:47,913 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:24:47,914 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:24:47,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:24:47,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:24:47,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:24:47,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:24:47,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:24:47,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 < tmp + 1) && !(0 == systemActive))) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2021-10-11 00:24:48,007 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeeda64e-990e-472d-b68f-a6dd8d8c419b/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:24:48,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:24:48,008 INFO L168 Benchmark]: Toolchain (without parser) took 9041.96 ms. Allocated memory was 109.1 MB in the beginning and 251.7 MB in the end (delta: 142.6 MB). Free memory was 75.9 MB in the beginning and 220.7 MB in the end (delta: -144.8 MB). Peak memory consumption was 119.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:48,009 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 109.1 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:48,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.77 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 71.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:48,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.65 ms. Allocated memory is still 109.1 MB. Free memory was 71.7 MB in the beginning and 67.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:48,010 INFO L168 Benchmark]: Boogie Preprocessor took 51.04 ms. Allocated memory is still 109.1 MB. Free memory was 67.9 MB in the beginning and 65.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:48,011 INFO L168 Benchmark]: RCFGBuilder took 1184.43 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 65.0 MB in the beginning and 57.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:48,011 INFO L168 Benchmark]: TraceAbstraction took 6972.39 ms. Allocated memory was 132.1 MB in the beginning and 209.7 MB in the end (delta: 77.6 MB). Free memory was 57.1 MB in the beginning and 66.9 MB in the end (delta: -9.9 MB). Peak memory consumption was 76.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:48,012 INFO L168 Benchmark]: Witness Printer took 150.98 ms. Allocated memory was 209.7 MB in the beginning and 251.7 MB in the end (delta: 41.9 MB). Free memory was 66.9 MB in the beginning and 220.7 MB in the end (delta: -153.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:48,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 109.1 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.77 ms. Allocated memory is still 109.1 MB. Free memory was 75.6 MB in the beginning and 71.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.65 ms. Allocated memory is still 109.1 MB. Free memory was 71.7 MB in the beginning and 67.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.04 ms. Allocated memory is still 109.1 MB. Free memory was 67.9 MB in the beginning and 65.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1184.43 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 65.0 MB in the beginning and 57.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6972.39 ms. Allocated memory was 132.1 MB in the beginning and 209.7 MB in the end (delta: 77.6 MB). Free memory was 57.1 MB in the beginning and 66.9 MB in the end (delta: -9.9 MB). Peak memory consumption was 76.3 MB. Max. memory is 16.1 GB. * Witness Printer took 150.98 ms. Allocated memory was 209.7 MB in the beginning and 251.7 MB in the end (delta: 41.9 MB). Free memory was 66.9 MB in the beginning and 220.7 MB in the end (delta: -153.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: 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: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: 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: 561]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 < tmp + 1) && !(0 == systemActive))) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && 0 < tmp + 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 1858 SDslu, 1702 SDs, 0 SdLazy, 228 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred 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, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1079 HoareAnnotationTreeSize, 44 FomulaSimplifications, 463639 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9375 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 32915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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...