./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.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_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/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_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/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_14bf3f8b-6e5d-4140-8a24-b62f8836b185/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 934ab0390c329c7530c5b91d73a3c4d56fdd69be ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:31:40,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:40,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:40,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:40,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:40,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:40,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:40,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:40,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:40,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:40,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:40,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:40,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:40,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:40,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:40,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:40,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:40,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:40,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:40,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:40,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:40,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:40,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:40,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:40,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:40,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:40,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:40,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:40,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:40,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:40,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:40,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:40,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:40,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:40,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:40,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:40,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:40,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:40,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:40,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:40,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:40,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:40,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:40,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:40,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:40,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:40,875 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:40,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:40,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:40,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:40,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:40,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:40,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:40,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:40,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:40,877 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:40,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:40,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:40,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:40,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:40,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:40,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:40,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:40,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:40,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:40,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:40,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:40,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:40,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:40,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:40,881 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_14bf3f8b-6e5d-4140-8a24-b62f8836b185/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 934ab0390c329c7530c5b91d73a3c4d56fdd69be [2021-10-11 00:31:41,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:41,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:41,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:41,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:41,180 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:41,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2021-10-11 00:31:41,266 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/data/6dc1a89e3/1393eca8d81846199de6a541f2fd4052/FLAGb7d3cc2dc [2021-10-11 00:31:41,775 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:41,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2021-10-11 00:31:41,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/data/6dc1a89e3/1393eca8d81846199de6a541f2fd4052/FLAGb7d3cc2dc [2021-10-11 00:31:42,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/data/6dc1a89e3/1393eca8d81846199de6a541f2fd4052 [2021-10-11 00:31:42,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:42,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:42,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:42,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:42,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:42,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e4563b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42, skipping insertion in model container [2021-10-11 00:31:42,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:42,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:42,322 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_14bf3f8b-6e5d-4140-8a24-b62f8836b185/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1281,1294] [2021-10-11 00:31:42,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:42,453 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:42,468 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_14bf3f8b-6e5d-4140-8a24-b62f8836b185/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1281,1294] [2021-10-11 00:31:42,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:42,567 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:42,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42 WrapperNode [2021-10-11 00:31:42,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:42,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:42,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:42,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:42,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:42,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:42,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:42,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:42,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... [2021-10-11 00:31:42,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:42,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:42,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:42,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:42,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/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 00:31:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:42,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:42,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:43,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:43,611 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-11 00:31:43,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:43 BoogieIcfgContainer [2021-10-11 00:31:43,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:43,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:43,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:43,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:43,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:42" (1/3) ... [2021-10-11 00:31:43,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0a00d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:43, skipping insertion in model container [2021-10-11 00:31:43,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:42" (2/3) ... [2021-10-11 00:31:43,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0a00d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:43, skipping insertion in model container [2021-10-11 00:31:43,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:43" (3/3) ... [2021-10-11 00:31:43,622 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2021-10-11 00:31:43,636 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:43,640 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:31:43,652 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:31:43,679 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:43,680 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:43,680 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:43,680 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:43,680 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:43,680 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:43,680 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:43,701 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 00:31:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:31:43,727 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:43,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:43,728 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:43,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:43,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-11 00:31:43,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:43,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228835803] [2021-10-11 00:31:43,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:44,103 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 00:31:44,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228835803] [2021-10-11 00:31:44,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:44,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:44,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878565960] [2021-10-11 00:31:44,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:31:44,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:44,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:31:44,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:44,123 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 00:31:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:44,147 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 00:31:44,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:31:44,149 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:31:44,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:44,158 INFO L225 Difference]: With dead ends: 112 [2021-10-11 00:31:44,158 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 00:31:44,162 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 00:31:44,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 00:31:44,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 00:31:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 00:31:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 00:31:44,200 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 00:31:44,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:44,201 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 00:31:44,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:31:44,201 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 00:31:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:31:44,202 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:44,202 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 00:31:44,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:44,203 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:44,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:44,204 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-11 00:31:44,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:44,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927346194] [2021-10-11 00:31:44,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:44,361 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 00:31:44,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927346194] [2021-10-11 00:31:44,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:44,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:44,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551902416] [2021-10-11 00:31:44,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:44,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:44,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:44,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:44,369 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 00:31:44,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:44,390 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 00:31:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:44,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:31:44,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:44,394 INFO L225 Difference]: With dead ends: 55 [2021-10-11 00:31:44,394 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 00:31:44,396 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 00:31:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 00:31:44,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 00:31:44,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 00:31:44,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 00:31:44,406 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 00:31:44,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:44,406 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 00:31:44,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 00:31:44,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:31:44,407 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:44,408 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 00:31:44,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:44,410 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:44,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:44,411 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-11 00:31:44,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:44,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297441395] [2021-10-11 00:31:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:44,545 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 00:31:44,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297441395] [2021-10-11 00:31:44,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:44,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:44,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341241794] [2021-10-11 00:31:44,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:44,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:44,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:44,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:44,548 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2021-10-11 00:31:44,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:44,763 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2021-10-11 00:31:44,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:44,764 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-10-11 00:31:44,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:44,767 INFO L225 Difference]: With dead ends: 98 [2021-10-11 00:31:44,768 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 00:31:44,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 00:31:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2021-10-11 00:31:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 00:31:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 00:31:44,798 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 00:31:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:44,798 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 00:31:44,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 00:31:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:31:44,799 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:44,799 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 00:31:44,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:44,800 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:44,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:44,800 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-11 00:31:44,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:44,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035248845] [2021-10-11 00:31:44,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:44,912 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 00:31:44,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035248845] [2021-10-11 00:31:44,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:44,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:31:44,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234858667] [2021-10-11 00:31:44,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:31:44,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:44,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:31:44,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:44,915 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 8 states. [2021-10-11 00:31:45,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,311 INFO L93 Difference]: Finished difference Result 281 states and 435 transitions. [2021-10-11 00:31:45,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:31:45,311 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2021-10-11 00:31:45,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,318 INFO L225 Difference]: With dead ends: 281 [2021-10-11 00:31:45,318 INFO L226 Difference]: Without dead ends: 239 [2021-10-11 00:31:45,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:31:45,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-11 00:31:45,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 118. [2021-10-11 00:31:45,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-10-11 00:31:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2021-10-11 00:31:45,357 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2021-10-11 00:31:45,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,358 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2021-10-11 00:31:45,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:31:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2021-10-11 00:31:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:31:45,360 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,360 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] [2021-10-11 00:31:45,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:45,361 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:45,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:45,361 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2021-10-11 00:31:45,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:45,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800800986] [2021-10-11 00:31:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,439 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 00:31:45,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800800986] [2021-10-11 00:31:45,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:45,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:45,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715914662] [2021-10-11 00:31:45,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:45,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:45,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:45,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:45,443 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand 3 states. [2021-10-11 00:31:45,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,470 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2021-10-11 00:31:45,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:45,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 00:31:45,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,471 INFO L225 Difference]: With dead ends: 224 [2021-10-11 00:31:45,471 INFO L226 Difference]: Without dead ends: 112 [2021-10-11 00:31:45,472 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 00:31:45,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-11 00:31:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-10-11 00:31:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-10-11 00:31:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2021-10-11 00:31:45,486 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2021-10-11 00:31:45,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,486 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2021-10-11 00:31:45,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2021-10-11 00:31:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:31:45,488 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:45,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:45,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:31:45,489 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:45,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:45,489 INFO L82 PathProgramCache]: Analyzing trace with hash 718124842, now seen corresponding path program 1 times [2021-10-11 00:31:45,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:45,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118806327] [2021-10-11 00:31:45,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:45,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118806327] [2021-10-11 00:31:45,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219185658] [2021-10-11 00:31:45,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/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 00:31:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:45,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:31:45,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:45,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:31:45,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:31:45,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883115245] [2021-10-11 00:31:45,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:45,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:45,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:45,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:45,844 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand 4 states. [2021-10-11 00:31:45,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:45,929 INFO L93 Difference]: Finished difference Result 146 states and 197 transitions. [2021-10-11 00:31:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:45,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-10-11 00:31:45,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:45,931 INFO L225 Difference]: With dead ends: 146 [2021-10-11 00:31:45,931 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:45,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 00:31:45,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:45,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:45,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:45,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-11 00:31:45,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:45,933 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:45,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:45,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:46,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:31:46,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:31:46,602 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2021-10-11 00:31:46,901 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:31:46,901 INFO L262 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:31:46,902 INFO L262 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2021-10-11 00:31:46,902 INFO L262 CegarLoopResult]: For program point L779-1(lines 542 548) no Hoare annotation was computed. [2021-10-11 00:31:46,902 INFO L258 CegarLoopResult]: At program point L746-1(lines 1 858) the Hoare annotation is: (let ((.cse4 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0)))) (or (and (= ~waterLevel~0 1) .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse5) (and .cse4 .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse5))) [2021-10-11 00:31:46,902 INFO L262 CegarLoopResult]: For program point L746-2(lines 746 759) no Hoare annotation was computed. [2021-10-11 00:31:46,902 INFO L258 CegarLoopResult]: At program point L746-3(lines 1 858) the Hoare annotation is: false [2021-10-11 00:31:46,902 INFO L262 CegarLoopResult]: For program point L746-4(lines 746 759) no Hoare annotation was computed. [2021-10-11 00:31:46,903 INFO L258 CegarLoopResult]: At program point L746-5(lines 1 858) the Hoare annotation is: false [2021-10-11 00:31:46,903 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:31:46,903 INFO L262 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2021-10-11 00:31:46,903 INFO L262 CegarLoopResult]: For program point L664-3(lines 664 668) no Hoare annotation was computed. [2021-10-11 00:31:46,903 INFO L262 CegarLoopResult]: For program point L664-6(lines 664 668) no Hoare annotation was computed. [2021-10-11 00:31:46,903 INFO L262 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2021-10-11 00:31:46,903 INFO L265 CegarLoopResult]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2021-10-11 00:31:46,903 INFO L258 CegarLoopResult]: At program point L549(lines 549 555) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:31:46,903 INFO L258 CegarLoopResult]: At program point L549-1(lines 549 555) the Hoare annotation is: false [2021-10-11 00:31:46,903 INFO L258 CegarLoopResult]: At program point L549-2(lines 549 555) the Hoare annotation is: false [2021-10-11 00:31:46,904 INFO L258 CegarLoopResult]: At program point L450(lines 445 453) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:46,904 INFO L262 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2021-10-11 00:31:46,904 INFO L258 CegarLoopResult]: At program point L518(lines 469 519) the Hoare annotation is: false [2021-10-11 00:31:46,904 INFO L258 CegarLoopResult]: At program point L733(lines 728 736) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2021-10-11 00:31:46,904 INFO L258 CegarLoopResult]: At program point L733-1(lines 728 736) the Hoare annotation is: false [2021-10-11 00:31:46,904 INFO L258 CegarLoopResult]: At program point L733-2(lines 728 736) the Hoare annotation is: false [2021-10-11 00:31:46,904 INFO L258 CegarLoopResult]: At program point L601(lines 596 604) the Hoare annotation is: false [2021-10-11 00:31:46,904 INFO L258 CegarLoopResult]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2021-10-11 00:31:46,904 INFO L258 CegarLoopResult]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point L750(lines 750 756) no Hoare annotation was computed. [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point L750-2(lines 750 756) no Hoare annotation was computed. [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point L750-4(lines 750 756) no Hoare annotation was computed. [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point L471(lines 470 517) no Hoare annotation was computed. [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-10-11 00:31:46,905 INFO L258 CegarLoopResult]: At program point L506-1(lines 542 548) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:31:46,905 INFO L262 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-11 00:31:46,906 INFO L262 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2021-10-11 00:31:46,909 INFO L258 CegarLoopResult]: At program point L490-1(lines 490 496) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse0 .cse1 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0))) (and .cse2 (not (= 0 ~systemActive~0)) .cse3 .cse0 .cse1 .cse4))) [2021-10-11 00:31:46,909 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:31:46,909 INFO L258 CegarLoopResult]: At program point L442(lines 1 858) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:46,909 INFO L265 CegarLoopResult]: At program point L855(lines 836 858) the Hoare annotation is: true [2021-10-11 00:31:46,909 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:31:46,909 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:31:46,910 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:31:46,910 INFO L258 CegarLoopResult]: At program point L542(lines 541 560) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:31:46,910 INFO L262 CegarLoopResult]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2021-10-11 00:31:46,910 INFO L258 CegarLoopResult]: At program point L542-2(lines 541 560) the Hoare annotation is: false [2021-10-11 00:31:46,910 INFO L258 CegarLoopResult]: At program point L542-3(lines 541 560) the Hoare annotation is: false [2021-10-11 00:31:46,911 INFO L258 CegarLoopResult]: At program point L823(lines 819 825) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:46,911 INFO L258 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2021-10-11 00:31:46,911 INFO L262 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2021-10-11 00:31:46,911 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:31:46,911 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:31:46,911 INFO L262 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2021-10-11 00:31:46,912 INFO L262 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2021-10-11 00:31:46,912 INFO L258 CegarLoopResult]: At program point L645-1(lines 645 651) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:31:46,912 INFO L262 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-10-11 00:31:46,912 INFO L258 CegarLoopResult]: At program point L480-1(lines 480 486) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse0 .cse1 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0))) (and .cse2 (not (= 0 ~systemActive~0)) .cse3 .cse0 .cse1 .cse4))) [2021-10-11 00:31:46,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:46 BoogieIcfgContainer [2021-10-11 00:31:46,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:46,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:46,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:46,959 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:46,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:43" (3/4) ... [2021-10-11 00:31:46,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:46,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:31:46,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:31:46,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:31:46,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:31:46,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:31:46,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:46,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:47,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2021-10-11 00:31:47,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == systemActive) && tmp == systemActive) && tmp == waterLevel) && pumpRunning == 0 [2021-10-11 00:31:47,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && \result == waterLevel) && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0))) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) [2021-10-11 00:31:47,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((((\result == waterLevel && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:31:47,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((((\result == waterLevel && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:31:47,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:31:47,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:31:47,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:31:47,024 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:31:47,025 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:31:47,088 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bf3f8b-6e5d-4140-8a24-b62f8836b185/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:47,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:47,090 INFO L168 Benchmark]: Toolchain (without parser) took 5009.38 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 88.0 MB in the beginning and 78.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:47,091 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 59.7 MB in the beginning and 59.6 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:47,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.92 ms. Allocated memory is still 109.1 MB. Free memory was 87.8 MB in the beginning and 70.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:47,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.24 ms. Allocated memory is still 109.1 MB. Free memory was 70.2 MB in the beginning and 67.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:47,092 INFO L168 Benchmark]: Boogie Preprocessor took 56.82 ms. Allocated memory is still 109.1 MB. Free memory was 67.5 MB in the beginning and 65.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:47,093 INFO L168 Benchmark]: RCFGBuilder took 892.63 ms. Allocated memory is still 109.1 MB. Free memory was 65.4 MB in the beginning and 40.4 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:47,093 INFO L168 Benchmark]: TraceAbstraction took 3342.27 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 39.8 MB in the beginning and 83.7 MB in the end (delta: -43.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:47,093 INFO L168 Benchmark]: Witness Printer took 131.21 ms. Allocated memory is still 132.1 MB. Free memory was 83.7 MB in the beginning and 78.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:47,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 59.7 MB in the beginning and 59.6 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.92 ms. Allocated memory is still 109.1 MB. Free memory was 87.8 MB in the beginning and 70.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.24 ms. Allocated memory is still 109.1 MB. Free memory was 70.2 MB in the beginning and 67.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.82 ms. Allocated memory is still 109.1 MB. Free memory was 67.5 MB in the beginning and 65.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 892.63 ms. Allocated memory is still 109.1 MB. Free memory was 65.4 MB in the beginning and 40.4 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3342.27 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 39.8 MB in the beginning and 83.7 MB in the end (delta: -43.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * Witness Printer took 131.21 ms. Allocated memory is still 132.1 MB. Free memory was 83.7 MB in the beginning and 78.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((((\result == waterLevel && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0))) || (((((\result == waterLevel && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && \result == waterLevel) && !(0 == systemActive)) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0))) || ((((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(tmp == 0)) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == systemActive) && tmp == systemActive) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && pumpRunning == 0) && tmp == waterLevel) && 1 <= waterLevel) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 292 SDtfs, 484 SDslu, 508 SDs, 0 SdLazy, 105 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 148 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 58 NumberOfFragments, 370 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 10486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 23/28 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...