./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.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_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/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_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/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_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/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 ec670bcbf6c6e1b5a4e4315225f9cccdc4aca27e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:32:07,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:07,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:07,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:07,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:07,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:07,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:07,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:07,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:07,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:07,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:07,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:07,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:07,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:07,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:07,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:07,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:07,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:07,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:07,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:07,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:07,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:07,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:07,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:07,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:07,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:07,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:07,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:07,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:07,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:07,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:07,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:07,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:07,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:07,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:07,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:07,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:07,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:07,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:07,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:07,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:07,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:32:07,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:07,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:07,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:07,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:07,824 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:07,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:07,825 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:07,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:07,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:07,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:07,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:32:07,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:32:07,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:32:07,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:07,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:07,827 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:07,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:32:07,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:07,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:07,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:32:07,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:07,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:07,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:32:07,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:32:07,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:07,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:32:07,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:32:07,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:07,830 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_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec670bcbf6c6e1b5a4e4315225f9cccdc4aca27e [2021-10-11 00:32:08,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:08,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:08,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:08,188 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:08,189 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:08,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-10-11 00:32:08,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/data/ea886e7ec/8961725a34d74a47bbb4be48e3bde0fc/FLAG79fcbd57c [2021-10-11 00:32:08,848 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:08,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2021-10-11 00:32:08,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/data/ea886e7ec/8961725a34d74a47bbb4be48e3bde0fc/FLAG79fcbd57c [2021-10-11 00:32:09,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/data/ea886e7ec/8961725a34d74a47bbb4be48e3bde0fc [2021-10-11 00:32:09,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:09,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:09,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:09,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:09,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:09,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5503f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09, skipping insertion in model container [2021-10-11 00:32:09,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:09,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:09,557 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_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18209,18222] [2021-10-11 00:32:09,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:09,593 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:09,719 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_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c[18209,18222] [2021-10-11 00:32:09,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:09,774 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:09,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09 WrapperNode [2021-10-11 00:32:09,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:09,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:09,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:09,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:09,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:09,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:09,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:09,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:09,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:09,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:10,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... [2021-10-11 00:32:10,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:10,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:10,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:10,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:10,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/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 00:32:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:11,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:11,365 INFO L299 CfgBuilder]: Removed 278 assume(true) statements. [2021-10-11 00:32:11,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:11 BoogieIcfgContainer [2021-10-11 00:32:11,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:11,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:11,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:11,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:11,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:09" (1/3) ... [2021-10-11 00:32:11,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448e1b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:11, skipping insertion in model container [2021-10-11 00:32:11,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:09" (2/3) ... [2021-10-11 00:32:11,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448e1b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:11, skipping insertion in model container [2021-10-11 00:32:11,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:11" (3/3) ... [2021-10-11 00:32:11,380 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2021-10-11 00:32:11,394 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:11,399 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:32:11,409 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:32:11,434 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:11,434 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:11,434 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:11,434 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:11,435 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:11,435 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:11,435 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:11,435 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2021-10-11 00:32:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:32:11,460 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:11,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:11,461 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:11,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:11,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2021-10-11 00:32:11,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:11,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521526324] [2021-10-11 00:32:11,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:11,785 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 00:32:11,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521526324] [2021-10-11 00:32:11,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:11,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:11,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327286599] [2021-10-11 00:32:11,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:32:11,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:11,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:32:11,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:32:11,812 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2021-10-11 00:32:11,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:11,885 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-11 00:32:11,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:32:11,887 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:32:11,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:11,900 INFO L225 Difference]: With dead ends: 372 [2021-10-11 00:32:11,900 INFO L226 Difference]: Without dead ends: 185 [2021-10-11 00:32:11,904 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 00:32:11,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-11 00:32:11,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-11 00:32:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2021-10-11 00:32:11,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-11 00:32:11,950 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-11 00:32:11,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:11,951 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-11 00:32:11,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:32:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-11 00:32:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:32:11,953 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:11,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:11,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:11,953 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:11,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:11,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2021-10-11 00:32:11,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:11,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060388303] [2021-10-11 00:32:11,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:12,113 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 00:32:12,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060388303] [2021-10-11 00:32:12,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:12,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:12,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870034815] [2021-10-11 00:32:12,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:12,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:12,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:12,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:12,119 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2021-10-11 00:32:12,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:12,138 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-11 00:32:12,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:12,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:32:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:12,147 INFO L225 Difference]: With dead ends: 185 [2021-10-11 00:32:12,147 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 00:32:12,152 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 00:32:12,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 00:32:12,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 00:32:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:32:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-11 00:32:12,163 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-11 00:32:12,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:12,164 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-11 00:32:12,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-11 00:32:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:32:12,165 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:12,165 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] [2021-10-11 00:32:12,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:12,165 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:12,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:12,171 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2021-10-11 00:32:12,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:12,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52641502] [2021-10-11 00:32:12,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:12,278 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 00:32:12,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52641502] [2021-10-11 00:32:12,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:12,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:12,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220098497] [2021-10-11 00:32:12,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:12,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:12,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:12,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:12,281 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2021-10-11 00:32:12,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:12,306 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-11 00:32:12,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:12,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:32:12,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:12,308 INFO L225 Difference]: With dead ends: 136 [2021-10-11 00:32:12,308 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 00:32:12,308 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 00:32:12,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 00:32:12,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 00:32:12,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:32:12,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-11 00:32:12,316 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-11 00:32:12,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:12,317 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-11 00:32:12,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:12,317 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-11 00:32:12,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:32:12,318 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:12,318 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] [2021-10-11 00:32:12,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:12,319 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:12,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:12,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2021-10-11 00:32:12,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:12,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558878455] [2021-10-11 00:32:12,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:12,435 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 00:32:12,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558878455] [2021-10-11 00:32:12,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:12,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:12,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917393411] [2021-10-11 00:32:12,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:12,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:12,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:12,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:12,442 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2021-10-11 00:32:12,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:12,523 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-11 00:32:12,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:12,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 00:32:12,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:12,525 INFO L225 Difference]: With dead ends: 145 [2021-10-11 00:32:12,527 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 00:32:12,528 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 00:32:12,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 00:32:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-11 00:32:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-10-11 00:32:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-11 00:32:12,553 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-11 00:32:12,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:12,554 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-11 00:32:12,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:12,554 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-11 00:32:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:32:12,556 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:12,556 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] [2021-10-11 00:32:12,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:12,556 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:12,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:12,557 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2021-10-11 00:32:12,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:12,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073129107] [2021-10-11 00:32:12,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:12,678 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 00:32:12,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073129107] [2021-10-11 00:32:12,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:12,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:12,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575482192] [2021-10-11 00:32:12,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:12,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:12,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:12,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:12,697 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2021-10-11 00:32:12,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:12,810 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-11 00:32:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:32:12,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 00:32:12,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:12,813 INFO L225 Difference]: With dead ends: 204 [2021-10-11 00:32:12,813 INFO L226 Difference]: Without dead ends: 132 [2021-10-11 00:32:12,814 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 00:32:12,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-11 00:32:12,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-11 00:32:12,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-10-11 00:32:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-11 00:32:12,840 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-11 00:32:12,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:12,840 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-11 00:32:12,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-11 00:32:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:32:12,842 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:12,842 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] [2021-10-11 00:32:12,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:32:12,843 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:12,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:12,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2021-10-11 00:32:12,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:12,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408251657] [2021-10-11 00:32:12,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:12,964 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 00:32:12,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408251657] [2021-10-11 00:32:12,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:12,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:32:12,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568995340] [2021-10-11 00:32:12,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:32:12,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:12,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:32:12,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:32:12,967 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 7 states. [2021-10-11 00:32:13,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:13,273 INFO L93 Difference]: Finished difference Result 568 states and 795 transitions. [2021-10-11 00:32:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:32:13,274 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2021-10-11 00:32:13,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:13,278 INFO L225 Difference]: With dead ends: 568 [2021-10-11 00:32:13,279 INFO L226 Difference]: Without dead ends: 487 [2021-10-11 00:32:13,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-10-11 00:32:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-10-11 00:32:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2021-10-11 00:32:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2021-10-11 00:32:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2021-10-11 00:32:13,323 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2021-10-11 00:32:13,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:13,327 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2021-10-11 00:32:13,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:32:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2021-10-11 00:32:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-11 00:32:13,338 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:13,338 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:13,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:32:13,340 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:13,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:13,349 INFO L82 PathProgramCache]: Analyzing trace with hash -165583408, now seen corresponding path program 1 times [2021-10-11 00:32:13,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:13,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855955105] [2021-10-11 00:32:13,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:32:13,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855955105] [2021-10-11 00:32:13,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:13,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:13,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734234425] [2021-10-11 00:32:13,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:13,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:13,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:13,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:32:13,430 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand 4 states. [2021-10-11 00:32:13,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:13,497 INFO L93 Difference]: Finished difference Result 446 states and 600 transitions. [2021-10-11 00:32:13,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:13,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2021-10-11 00:32:13,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:13,502 INFO L225 Difference]: With dead ends: 446 [2021-10-11 00:32:13,502 INFO L226 Difference]: Without dead ends: 248 [2021-10-11 00:32:13,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-10-11 00:32:13,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 182. [2021-10-11 00:32:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2021-10-11 00:32:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2021-10-11 00:32:13,523 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2021-10-11 00:32:13,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:13,523 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2021-10-11 00:32:13,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2021-10-11 00:32:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-11 00:32:13,525 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:13,526 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:13,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:32:13,526 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:13,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:13,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1786964048, now seen corresponding path program 1 times [2021-10-11 00:32:13,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:13,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429466278] [2021-10-11 00:32:13,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:32:13,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429466278] [2021-10-11 00:32:13,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:13,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:13,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611768053] [2021-10-11 00:32:13,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:13,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:13,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:13,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:13,624 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand 6 states. [2021-10-11 00:32:13,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:13,787 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2021-10-11 00:32:13,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 00:32:13,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2021-10-11 00:32:13,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:13,794 INFO L225 Difference]: With dead ends: 872 [2021-10-11 00:32:13,794 INFO L226 Difference]: Without dead ends: 696 [2021-10-11 00:32:13,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:32:13,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-10-11 00:32:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2021-10-11 00:32:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2021-10-11 00:32:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2021-10-11 00:32:13,838 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2021-10-11 00:32:13,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:13,838 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2021-10-11 00:32:13,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:13,839 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2021-10-11 00:32:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:32:13,841 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:13,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:13,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:32:13,842 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:13,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:13,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1138581304, now seen corresponding path program 1 times [2021-10-11 00:32:13,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:13,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072774325] [2021-10-11 00:32:13,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:32:13,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072774325] [2021-10-11 00:32:13,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:13,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:13,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343392028] [2021-10-11 00:32:13,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:13,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:13,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:13,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:13,957 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand 5 states. [2021-10-11 00:32:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:14,167 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2021-10-11 00:32:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:32:14,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 00:32:14,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:14,176 INFO L225 Difference]: With dead ends: 962 [2021-10-11 00:32:14,176 INFO L226 Difference]: Without dead ends: 960 [2021-10-11 00:32:14,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:32:14,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-10-11 00:32:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2021-10-11 00:32:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2021-10-11 00:32:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2021-10-11 00:32:14,217 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2021-10-11 00:32:14,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:14,217 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2021-10-11 00:32:14,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2021-10-11 00:32:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-11 00:32:14,219 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:14,220 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:14,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:32:14,220 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:14,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:14,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2021-10-11 00:32:14,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:14,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625190079] [2021-10-11 00:32:14,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:14,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625190079] [2021-10-11 00:32:14,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540563528] [2021-10-11 00:32:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:14,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:32:14,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:14,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:32:14,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-10-11 00:32:14,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493315615] [2021-10-11 00:32:14,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:32:14,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:14,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:32:14,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:32:14,687 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand 8 states. [2021-10-11 00:32:15,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:15,099 INFO L93 Difference]: Finished difference Result 1346 states and 1773 transitions. [2021-10-11 00:32:15,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 00:32:15,100 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2021-10-11 00:32:15,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:15,106 INFO L225 Difference]: With dead ends: 1346 [2021-10-11 00:32:15,107 INFO L226 Difference]: Without dead ends: 1046 [2021-10-11 00:32:15,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-10-11 00:32:15,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-10-11 00:32:15,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 450. [2021-10-11 00:32:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2021-10-11 00:32:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 580 transitions. [2021-10-11 00:32:15,180 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 580 transitions. Word has length 57 [2021-10-11 00:32:15,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:15,181 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 580 transitions. [2021-10-11 00:32:15,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:32:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 580 transitions. [2021-10-11 00:32:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 00:32:15,183 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:15,183 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:15,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:32:15,410 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:15,411 INFO L82 PathProgramCache]: Analyzing trace with hash 852511654, now seen corresponding path program 2 times [2021-10-11 00:32:15,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:15,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092147778] [2021-10-11 00:32:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:32:15,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092147778] [2021-10-11 00:32:15,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:15,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:15,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911373095] [2021-10-11 00:32:15,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:15,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:15,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:15,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:15,564 INFO L87 Difference]: Start difference. First operand 450 states and 580 transitions. Second operand 5 states. [2021-10-11 00:32:15,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:15,918 INFO L93 Difference]: Finished difference Result 1364 states and 1776 transitions. [2021-10-11 00:32:15,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:15,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-10-11 00:32:15,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:15,925 INFO L225 Difference]: With dead ends: 1364 [2021-10-11 00:32:15,925 INFO L226 Difference]: Without dead ends: 968 [2021-10-11 00:32:15,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:15,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2021-10-11 00:32:16,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 626. [2021-10-11 00:32:16,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2021-10-11 00:32:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 799 transitions. [2021-10-11 00:32:16,036 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 799 transitions. Word has length 82 [2021-10-11 00:32:16,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:16,036 INFO L481 AbstractCegarLoop]: Abstraction has 626 states and 799 transitions. [2021-10-11 00:32:16,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:16,037 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 799 transitions. [2021-10-11 00:32:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 00:32:16,038 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:16,039 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:16,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:32:16,039 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:16,043 INFO L82 PathProgramCache]: Analyzing trace with hash 458144868, now seen corresponding path program 1 times [2021-10-11 00:32:16,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:16,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820763675] [2021-10-11 00:32:16,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 00:32:16,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820763675] [2021-10-11 00:32:16,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:16,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:16,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245345467] [2021-10-11 00:32:16,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:16,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:16,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:16,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:16,124 INFO L87 Difference]: Start difference. First operand 626 states and 799 transitions. Second operand 5 states. [2021-10-11 00:32:16,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:16,238 INFO L93 Difference]: Finished difference Result 1134 states and 1440 transitions. [2021-10-11 00:32:16,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:16,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-10-11 00:32:16,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:16,240 INFO L225 Difference]: With dead ends: 1134 [2021-10-11 00:32:16,240 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:32:16,242 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 00:32:16,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:32:16,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:32:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:32:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:32:16,243 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-11 00:32:16,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:16,243 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:16,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:32:16,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:32:16,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:32:16,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:32:16,505 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 117 [2021-10-11 00:32:17,066 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2021-10-11 00:32:17,673 WARN L197 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 174 [2021-10-11 00:32:18,127 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 161 [2021-10-11 00:32:18,276 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-10-11 00:32:18,727 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2021-10-11 00:32:18,865 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 106 [2021-10-11 00:32:19,053 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 137 [2021-10-11 00:32:19,339 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 173 [2021-10-11 00:32:19,454 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2021-10-11 00:32:19,994 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 25 [2021-10-11 00:32:21,301 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 178 DAG size of output: 17 [2021-10-11 00:32:22,284 WARN L197 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 17 [2021-10-11 00:32:22,620 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 20 [2021-10-11 00:32:23,471 WARN L197 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 10 [2021-10-11 00:32:23,865 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 19 [2021-10-11 00:32:24,769 WARN L197 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 17 [2021-10-11 00:32:25,364 WARN L197 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 26 [2021-10-11 00:32:26,068 WARN L197 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 25 [2021-10-11 00:32:26,956 WARN L197 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2021-10-11 00:32:27,171 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 18 [2021-10-11 00:32:27,462 INFO L262 CegarLoopResult]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,462 INFO L262 CegarLoopResult]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,462 INFO L262 CegarLoopResult]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,463 INFO L262 CegarLoopResult]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,463 INFO L262 CegarLoopResult]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,463 INFO L262 CegarLoopResult]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,464 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-10-11 00:32:27,465 INFO L258 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: false [2021-10-11 00:32:27,466 INFO L258 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2021-10-11 00:32:27,466 INFO L258 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2021-10-11 00:32:27,466 INFO L262 CegarLoopResult]: For program point L468(lines 468 475) no Hoare annotation was computed. [2021-10-11 00:32:27,466 INFO L265 CegarLoopResult]: At program point L468-1(lines 468 475) the Hoare annotation is: true [2021-10-11 00:32:27,466 INFO L262 CegarLoopResult]: For program point L369(lines 369 375) no Hoare annotation was computed. [2021-10-11 00:32:27,466 INFO L262 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,467 INFO L262 CegarLoopResult]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2021-10-11 00:32:27,467 INFO L262 CegarLoopResult]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,467 INFO L262 CegarLoopResult]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,467 INFO L262 CegarLoopResult]: For program point L369-4(lines 369 375) no Hoare annotation was computed. [2021-10-11 00:32:27,467 INFO L262 CegarLoopResult]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,467 INFO L258 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-10-11 00:32:27,468 INFO L262 CegarLoopResult]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,468 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 00:32:27,468 INFO L258 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2021-10-11 00:32:27,468 INFO L262 CegarLoopResult]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,470 INFO L258 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2021-10-11 00:32:27,470 INFO L262 CegarLoopResult]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,470 INFO L262 CegarLoopResult]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,470 INFO L262 CegarLoopResult]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,471 INFO L262 CegarLoopResult]: For program point L931(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,471 INFO L262 CegarLoopResult]: For program point L931-1(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,471 INFO L262 CegarLoopResult]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,471 INFO L262 CegarLoopResult]: For program point L931-2(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,471 INFO L262 CegarLoopResult]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,471 INFO L262 CegarLoopResult]: For program point L931-3(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,472 INFO L262 CegarLoopResult]: For program point L931-4(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,472 INFO L262 CegarLoopResult]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-10-11 00:32:27,472 INFO L262 CegarLoopResult]: For program point L931-5(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,472 INFO L262 CegarLoopResult]: For program point L931-6(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,472 INFO L262 CegarLoopResult]: For program point L931-7(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,472 INFO L262 CegarLoopResult]: For program point L931-8(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,473 INFO L262 CegarLoopResult]: For program point L931-9(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,473 INFO L262 CegarLoopResult]: For program point L931-10(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,473 INFO L262 CegarLoopResult]: For program point L931-11(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:32:27,473 INFO L262 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2021-10-11 00:32:27,473 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-10-11 00:32:27,473 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 00:32:27,473 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-10-11 00:32:27,474 INFO L258 CegarLoopResult]: At program point L936(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,474 INFO L258 CegarLoopResult]: At program point L936-1(lines 927 940) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse0 .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2021-10-11 00:32:27,474 INFO L258 CegarLoopResult]: At program point L936-2(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,474 INFO L258 CegarLoopResult]: At program point L936-3(lines 927 940) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2021-10-11 00:32:27,474 INFO L258 CegarLoopResult]: At program point L936-4(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,475 INFO L258 CegarLoopResult]: At program point L936-5(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,475 INFO L258 CegarLoopResult]: At program point L936-6(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,475 INFO L258 CegarLoopResult]: At program point L936-7(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,475 INFO L258 CegarLoopResult]: At program point L936-8(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,475 INFO L258 CegarLoopResult]: At program point L936-9(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,475 INFO L258 CegarLoopResult]: At program point L936-10(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,475 INFO L258 CegarLoopResult]: At program point L936-11(lines 927 940) the Hoare annotation is: false [2021-10-11 00:32:27,476 INFO L258 CegarLoopResult]: At program point L342(lines 327 345) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:27,476 INFO L258 CegarLoopResult]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2021-10-11 00:32:27,476 INFO L258 CegarLoopResult]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-10-11 00:32:27,476 INFO L258 CegarLoopResult]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-10-11 00:32:27,476 INFO L258 CegarLoopResult]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-10-11 00:32:27,476 INFO L258 CegarLoopResult]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-10-11 00:32:27,477 INFO L258 CegarLoopResult]: At program point L442(lines 438 444) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:27,477 INFO L265 CegarLoopResult]: At program point L477(lines 458 480) the Hoare annotation is: true [2021-10-11 00:32:27,477 INFO L262 CegarLoopResult]: For program point L215(lines 215 232) no Hoare annotation was computed. [2021-10-11 00:32:27,477 INFO L262 CegarLoopResult]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2021-10-11 00:32:27,477 INFO L262 CegarLoopResult]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2021-10-11 00:32:27,477 INFO L262 CegarLoopResult]: For program point L878(lines 878 882) no Hoare annotation was computed. [2021-10-11 00:32:27,477 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:32:27,478 INFO L262 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,478 INFO L262 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,478 INFO L262 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,478 INFO L262 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,478 INFO L262 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,478 INFO L262 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,478 INFO L262 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,478 INFO L262 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,479 INFO L262 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,479 INFO L262 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,479 INFO L262 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,479 INFO L262 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,479 INFO L262 CegarLoopResult]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,479 INFO L262 CegarLoopResult]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,479 INFO L262 CegarLoopResult]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,480 INFO L262 CegarLoopResult]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,480 INFO L262 CegarLoopResult]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,480 INFO L262 CegarLoopResult]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,480 INFO L262 CegarLoopResult]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,480 INFO L262 CegarLoopResult]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,480 INFO L262 CegarLoopResult]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,480 INFO L262 CegarLoopResult]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,480 INFO L262 CegarLoopResult]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,481 INFO L262 CegarLoopResult]: For program point L219(lines 219 227) no Hoare annotation was computed. [2021-10-11 00:32:27,481 INFO L262 CegarLoopResult]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2021-10-11 00:32:27,481 INFO L262 CegarLoopResult]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2021-10-11 00:32:27,481 INFO L262 CegarLoopResult]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2021-10-11 00:32:27,481 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 00:32:27,481 INFO L258 CegarLoopResult]: At program point L946(lines 941 949) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:27,482 INFO L258 CegarLoopResult]: At program point L946-1(lines 941 949) the Hoare annotation is: false [2021-10-11 00:32:27,482 INFO L258 CegarLoopResult]: At program point L946-2(lines 941 949) the Hoare annotation is: false [2021-10-11 00:32:27,482 INFO L258 CegarLoopResult]: At program point L946-3(lines 941 949) the Hoare annotation is: false [2021-10-11 00:32:27,482 INFO L258 CegarLoopResult]: At program point L946-4(lines 941 949) the Hoare annotation is: false [2021-10-11 00:32:27,482 INFO L258 CegarLoopResult]: At program point L946-5(lines 941 949) the Hoare annotation is: false [2021-10-11 00:32:27,482 INFO L262 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:32:27,482 INFO L262 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:32:27,482 INFO L262 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:32:27,483 INFO L262 CegarLoopResult]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:32:27,483 INFO L262 CegarLoopResult]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:32:27,483 INFO L262 CegarLoopResult]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:32:27,483 INFO L258 CegarLoopResult]: At program point L982(lines 1 993) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:27,483 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:32:27,483 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 00:32:27,483 INFO L258 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,484 INFO L258 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2021-10-11 00:32:27,484 INFO L258 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,484 INFO L258 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 (<= 1 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2021-10-11 00:32:27,484 INFO L258 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,484 INFO L258 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,485 INFO L258 CegarLoopResult]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,485 INFO L258 CegarLoopResult]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,485 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 00:32:27,485 INFO L258 CegarLoopResult]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,485 INFO L258 CegarLoopResult]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,485 INFO L258 CegarLoopResult]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,485 INFO L258 CegarLoopResult]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2021-10-11 00:32:27,486 INFO L258 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:32:27,486 INFO L258 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2021-10-11 00:32:27,486 INFO L262 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:32:27,486 INFO L258 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2021-10-11 00:32:27,486 INFO L262 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:32:27,486 INFO L262 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:32:27,486 INFO L262 CegarLoopResult]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:32:27,487 INFO L262 CegarLoopResult]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:32:27,487 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:32:27,487 INFO L262 CegarLoopResult]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:32:27,487 INFO L262 CegarLoopResult]: For program point L854(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:32:27,487 INFO L262 CegarLoopResult]: For program point L854-3(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:32:27,487 INFO L262 CegarLoopResult]: For program point L854-6(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:32:27,487 INFO L262 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-10-11 00:32:27,487 INFO L258 CegarLoopResult]: At program point L95-2(lines 131 137) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-10-11 00:32:27,488 INFO L262 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2021-10-11 00:32:27,488 INFO L262 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2021-10-11 00:32:27,488 INFO L262 CegarLoopResult]: For program point L955-2(line 955) no Hoare annotation was computed. [2021-10-11 00:32:27,488 INFO L258 CegarLoopResult]: At program point L394-2(lines 394 408) the Hoare annotation is: false [2021-10-11 00:32:27,488 INFO L262 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,488 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,488 INFO L262 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,489 INFO L262 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,489 INFO L262 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,489 INFO L262 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,489 INFO L262 CegarLoopResult]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,489 INFO L262 CegarLoopResult]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,489 INFO L258 CegarLoopResult]: At program point L923(lines 918 926) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2021-10-11 00:32:27,489 INFO L262 CegarLoopResult]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,490 INFO L258 CegarLoopResult]: At program point L923-1(lines 918 926) the Hoare annotation is: false [2021-10-11 00:32:27,490 INFO L262 CegarLoopResult]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,490 INFO L262 CegarLoopResult]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,490 INFO L258 CegarLoopResult]: At program point L923-2(lines 918 926) the Hoare annotation is: false [2021-10-11 00:32:27,490 INFO L262 CegarLoopResult]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:32:27,490 INFO L262 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2021-10-11 00:32:27,490 INFO L258 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:32:27,491 INFO L262 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 00:32:27,491 INFO L258 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2021-10-11 00:32:27,491 INFO L258 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2021-10-11 00:32:27,491 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:32:27,491 INFO L258 CegarLoopResult]: At program point L990(lines 985 993) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:27,491 INFO L258 CegarLoopResult]: At program point L891(lines 886 894) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:32:27,491 INFO L258 CegarLoopResult]: At program point L891-1(lines 886 894) the Hoare annotation is: false [2021-10-11 00:32:27,492 INFO L258 CegarLoopResult]: At program point L891-2(lines 886 894) the Hoare annotation is: false [2021-10-11 00:32:27,492 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2021-10-11 00:32:27,492 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 00:32:27,492 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2021-10-11 00:32:27,492 INFO L262 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-10-11 00:32:27,492 INFO L262 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2021-10-11 00:32:27,493 INFO L262 CegarLoopResult]: For program point L398-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 00:32:27,493 INFO L258 CegarLoopResult]: At program point L365-1(lines 1 993) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 ~systemActive~0) .cse0 .cse2 .cse3))) [2021-10-11 00:32:27,493 INFO L262 CegarLoopResult]: For program point L365-2(lines 365 378) no Hoare annotation was computed. [2021-10-11 00:32:27,493 INFO L258 CegarLoopResult]: At program point L365-3(lines 1 993) the Hoare annotation is: false [2021-10-11 00:32:27,493 INFO L262 CegarLoopResult]: For program point L365-4(lines 365 378) no Hoare annotation was computed. [2021-10-11 00:32:27,493 INFO L258 CegarLoopResult]: At program point L365-5(lines 1 993) the Hoare annotation is: false [2021-10-11 00:32:27,493 INFO L262 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,494 INFO L262 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,494 INFO L262 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,494 INFO L262 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,494 INFO L262 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,494 INFO L262 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:32:27,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:27 BoogieIcfgContainer [2021-10-11 00:32:27,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:27,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:27,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:27,521 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:27,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:11" (3/4) ... [2021-10-11 00:32:27,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:32:27,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:32:27,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:32:27,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:32:27,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:32:27,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:32:27,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:27,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:27,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result)) || ((((methaneLevelCritical == 0 && waterLevel == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:32:27,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:32:27,589 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2021-10-11 00:32:27,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:32:27,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:32:27,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == 0) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 [2021-10-11 00:32:27,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:32:27,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && tmp___0 == 1) && 1 <= waterLevel) && splverifierCounter == 0 [2021-10-11 00:32:27,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:32:27,679 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2766bb0-9f78-4faf-b933-cd84f8a5c3ce/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:27,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:27,681 INFO L168 Benchmark]: Toolchain (without parser) took 18554.84 ms. Allocated memory was 92.3 MB in the beginning and 360.7 MB in the end (delta: 268.4 MB). Free memory was 49.5 MB in the beginning and 280.6 MB in the end (delta: -231.0 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:27,681 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 66.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:27,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.13 ms. Allocated memory is still 92.3 MB. Free memory was 70.1 MB in the beginning and 53.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:27,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.48 ms. Allocated memory is still 92.3 MB. Free memory was 53.9 MB in the beginning and 48.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:27,682 INFO L168 Benchmark]: Boogie Preprocessor took 114.40 ms. Allocated memory is still 92.3 MB. Free memory was 48.9 MB in the beginning and 45.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:27,683 INFO L168 Benchmark]: RCFGBuilder took 1354.49 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 45.1 MB in the beginning and 63.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:27,683 INFO L168 Benchmark]: TraceAbstraction took 16148.43 ms. Allocated memory was 111.1 MB in the beginning and 360.7 MB in the end (delta: 249.6 MB). Free memory was 62.9 MB in the beginning and 296.3 MB in the end (delta: -233.4 MB). Peak memory consumption was 197.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:27,683 INFO L168 Benchmark]: Witness Printer took 158.99 ms. Allocated memory is still 360.7 MB. Free memory was 296.3 MB in the beginning and 280.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:27,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 66.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 636.13 ms. Allocated memory is still 92.3 MB. Free memory was 70.1 MB in the beginning and 53.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.48 ms. Allocated memory is still 92.3 MB. Free memory was 53.9 MB in the beginning and 48.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.40 ms. Allocated memory is still 92.3 MB. Free memory was 48.9 MB in the beginning and 45.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1354.49 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 45.1 MB in the beginning and 63.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16148.43 ms. Allocated memory was 111.1 MB in the beginning and 360.7 MB in the end (delta: 249.6 MB). Free memory was 62.9 MB in the beginning and 296.3 MB in the end (delta: -233.4 MB). Peak memory consumption was 197.3 MB. Max. memory is 16.1 GB. * Witness Printer took 158.99 ms. Allocated memory is still 360.7 MB. Free memory was 296.3 MB in the beginning and 280.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: 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: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result)) || ((((methaneLevelCritical == 0 && waterLevel == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && tmp___0 == 1) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == 0) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1615 SDtfs, 2814 SDslu, 2971 SDs, 0 SdLazy, 458 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=626occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2278 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 257 NumberOfFragments, 509 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1114668 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 376687 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 570 NumberOfCodeBlocks, 570 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 557 ConstructedInterpolants, 0 QuantifiedInterpolants, 49691 SizeOfPredicates, 3 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 170/176 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...