./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.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_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/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_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/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_ad445856-3ac6-4099-851f-aca549fd8865/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 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:21:22,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:22,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:22,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:22,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:22,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:22,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:22,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:22,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:22,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:22,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:22,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:22,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:22,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:22,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:22,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:22,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:22,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:22,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:22,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:22,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:22,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:22,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:22,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:22,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:22,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:22,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:22,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:22,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:22,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:22,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:22,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:22,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:22,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:22,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:22,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:22,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:22,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:22,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:22,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:22,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:22,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:21:22,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:22,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:22,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:22,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:22,883 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:22,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:22,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:22,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:22,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:22,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:22,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:22,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:22,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:22,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:22,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:22,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:22,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:22,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:22,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:22,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:22,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:22,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:22,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:22,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:22,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:22,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:22,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:22,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:22,890 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_ad445856-3ac6-4099-851f-aca549fd8865/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317a8f7f0ef35cb6895b3b81bb79fb4d1e43529f [2021-10-11 00:21:23,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:23,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:23,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:23,188 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:23,190 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:23,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-10-11 00:21:23,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/data/cd2024eca/f93045e378f0435cb32b23b3b069fcde/FLAG4f1cd674b [2021-10-11 00:21:23,825 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:23,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-10-11 00:21:23,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/data/cd2024eca/f93045e378f0435cb32b23b3b069fcde/FLAG4f1cd674b [2021-10-11 00:21:24,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/data/cd2024eca/f93045e378f0435cb32b23b3b069fcde [2021-10-11 00:21:24,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:24,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:24,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:24,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:24,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:24,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b72298a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24, skipping insertion in model container [2021-10-11 00:21:24,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:24,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:24,499 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_ad445856-3ac6-4099-851f-aca549fd8865/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7436,7449] [2021-10-11 00:21:24,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:24,593 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:24,634 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_ad445856-3ac6-4099-851f-aca549fd8865/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7436,7449] [2021-10-11 00:21:24,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:24,706 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:24,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24 WrapperNode [2021-10-11 00:21:24,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:24,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:24,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:24,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:24,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:24,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:24,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:24,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:24,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... [2021-10-11 00:21:24,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:24,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:24,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:24,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:24,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/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 00:21:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:25,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:25,737 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-11 00:21:25,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:25 BoogieIcfgContainer [2021-10-11 00:21:25,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:25,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:25,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:25,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:25,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:24" (1/3) ... [2021-10-11 00:21:25,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d04a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:25, skipping insertion in model container [2021-10-11 00:21:25,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:24" (2/3) ... [2021-10-11 00:21:25,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d04a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:25, skipping insertion in model container [2021-10-11 00:21:25,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:25" (3/3) ... [2021-10-11 00:21:25,748 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2021-10-11 00:21:25,762 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:25,766 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:21:25,777 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:21:25,801 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:25,801 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:25,801 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:25,801 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:25,802 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:25,802 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:25,802 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:25,802 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2021-10-11 00:21:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:21:25,823 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:25,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:25,824 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:25,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:25,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1951915580, now seen corresponding path program 1 times [2021-10-11 00:21:25,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:25,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168178641] [2021-10-11 00:21:25,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:26,169 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 00:21:26,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168178641] [2021-10-11 00:21:26,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:26,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:26,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345551063] [2021-10-11 00:21:26,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:21:26,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:26,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:21:26,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:21:26,188 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2021-10-11 00:21:26,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:26,213 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2021-10-11 00:21:26,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:21:26,215 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:21:26,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:26,225 INFO L225 Difference]: With dead ends: 139 [2021-10-11 00:21:26,225 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 00:21:26,228 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 00:21:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 00:21:26,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-11 00:21:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 00:21:26,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-10-11 00:21:26,267 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2021-10-11 00:21:26,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:26,268 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-11 00:21:26,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:21:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2021-10-11 00:21:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:21:26,269 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:26,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:26,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:26,270 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:26,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:26,271 INFO L82 PathProgramCache]: Analyzing trace with hash 2124215747, now seen corresponding path program 1 times [2021-10-11 00:21:26,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:26,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672132787] [2021-10-11 00:21:26,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:26,360 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 00:21:26,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672132787] [2021-10-11 00:21:26,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:26,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:26,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139688242] [2021-10-11 00:21:26,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:26,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:26,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:26,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:26,363 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 3 states. [2021-10-11 00:21:26,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:26,373 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2021-10-11 00:21:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:26,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:21:26,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:26,375 INFO L225 Difference]: With dead ends: 69 [2021-10-11 00:21:26,375 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:21:26,376 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 00:21:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:21:26,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:21:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:21:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 00:21:26,381 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-10-11 00:21:26,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:26,381 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 00:21:26,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 00:21:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:21:26,383 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:26,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:26,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:26,383 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:26,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:26,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2021-10-11 00:21:26,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:26,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86185300] [2021-10-11 00:21:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:26,465 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 00:21:26,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86185300] [2021-10-11 00:21:26,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:26,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:26,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808932379] [2021-10-11 00:21:26,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:26,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:26,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:26,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:26,468 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 00:21:26,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:26,475 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2021-10-11 00:21:26,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:26,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:21:26,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:26,476 INFO L225 Difference]: With dead ends: 59 [2021-10-11 00:21:26,477 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:21:26,477 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 00:21:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:21:26,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:21:26,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:21:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-11 00:21:26,482 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-10-11 00:21:26,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:26,483 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-11 00:21:26,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-11 00:21:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:21:26,484 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:26,484 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 00:21:26,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:21:26,484 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:26,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:26,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2021-10-11 00:21:26,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:26,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888294002] [2021-10-11 00:21:26,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:26,612 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 00:21:26,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888294002] [2021-10-11 00:21:26,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:26,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:26,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111658914] [2021-10-11 00:21:26,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:26,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:26,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:26,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:26,618 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2021-10-11 00:21:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:26,774 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2021-10-11 00:21:26,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:21:26,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:21:26,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:26,780 INFO L225 Difference]: With dead ends: 135 [2021-10-11 00:21:26,780 INFO L226 Difference]: Without dead ends: 109 [2021-10-11 00:21:26,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:21:26,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-11 00:21:26,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2021-10-11 00:21:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-10-11 00:21:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2021-10-11 00:21:26,797 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2021-10-11 00:21:26,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:26,797 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-10-11 00:21:26,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-10-11 00:21:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:21:26,798 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:26,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:26,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:21:26,799 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:26,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:26,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2021-10-11 00:21:26,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:26,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245615298] [2021-10-11 00:21:26,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:26,923 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 00:21:26,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245615298] [2021-10-11 00:21:26,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:26,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:26,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001720463] [2021-10-11 00:21:26,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:26,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:26,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:26,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:26,931 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2021-10-11 00:21:27,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:27,007 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2021-10-11 00:21:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:21:27,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:21:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:27,011 INFO L225 Difference]: With dead ends: 146 [2021-10-11 00:21:27,011 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:27,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 00:21:27,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:27,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:27,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 00:21:27,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:27,016 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:27,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:27,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:27,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:21:27,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:27,252 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 512) no Hoare annotation was computed. [2021-10-11 00:21:27,252 INFO L262 CegarLoopResult]: For program point L201(lines 200 245) no Hoare annotation was computed. [2021-10-11 00:21:27,252 INFO L262 CegarLoopResult]: For program point L168(lines 168 185) no Hoare annotation was computed. [2021-10-11 00:21:27,253 INFO L258 CegarLoopResult]: At program point L168-1(lines 1 881) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:27,253 INFO L262 CegarLoopResult]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2021-10-11 00:21:27,253 INFO L258 CegarLoopResult]: At program point L168-3(lines 1 881) the Hoare annotation is: false [2021-10-11 00:21:27,253 INFO L262 CegarLoopResult]: For program point L168-4(lines 168 185) no Hoare annotation was computed. [2021-10-11 00:21:27,253 INFO L258 CegarLoopResult]: At program point L168-5(lines 1 881) the Hoare annotation is: false [2021-10-11 00:21:27,254 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:27,254 INFO L262 CegarLoopResult]: For program point L202(lines 202 206) no Hoare annotation was computed. [2021-10-11 00:21:27,254 INFO L258 CegarLoopResult]: At program point L351(lines 346 354) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:27,254 INFO L258 CegarLoopResult]: At program point L351-1(lines 346 354) the Hoare annotation is: false [2021-10-11 00:21:27,254 INFO L258 CegarLoopResult]: At program point L351-2(lines 346 354) the Hoare annotation is: false [2021-10-11 00:21:27,254 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:21:27,255 INFO L262 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2021-10-11 00:21:27,255 INFO L262 CegarLoopResult]: For program point L434-3(lines 434 438) no Hoare annotation was computed. [2021-10-11 00:21:27,255 INFO L262 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2021-10-11 00:21:27,255 INFO L262 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2021-10-11 00:21:27,255 INFO L262 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-10-11 00:21:27,255 INFO L262 CegarLoopResult]: For program point L434-6(lines 434 438) no Hoare annotation was computed. [2021-10-11 00:21:27,256 INFO L262 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2021-10-11 00:21:27,256 INFO L262 CegarLoopResult]: For program point L236-2(lines 266 272) no Hoare annotation was computed. [2021-10-11 00:21:27,256 INFO L262 CegarLoopResult]: For program point L220(lines 220 226) no Hoare annotation was computed. [2021-10-11 00:21:27,256 INFO L258 CegarLoopResult]: At program point L220-1(lines 220 226) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:27,256 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:21:27,257 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:27,257 INFO L262 CegarLoopResult]: For program point L172(lines 172 182) no Hoare annotation was computed. [2021-10-11 00:21:27,257 INFO L262 CegarLoopResult]: For program point L172-2(lines 172 182) no Hoare annotation was computed. [2021-10-11 00:21:27,257 INFO L262 CegarLoopResult]: For program point L172-4(lines 172 182) no Hoare annotation was computed. [2021-10-11 00:21:27,257 INFO L262 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2021-10-11 00:21:27,257 INFO L262 CegarLoopResult]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2021-10-11 00:21:27,258 INFO L262 CegarLoopResult]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2021-10-11 00:21:27,258 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:27,258 INFO L258 CegarLoopResult]: At program point L157(lines 152 159) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:27,258 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:21:27,258 INFO L262 CegarLoopResult]: For program point L58-1(lines 266 272) no Hoare annotation was computed. [2021-10-11 00:21:27,259 INFO L258 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: false [2021-10-11 00:21:27,259 INFO L258 CegarLoopResult]: At program point L471-1(lines 466 474) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:27,259 INFO L258 CegarLoopResult]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2021-10-11 00:21:27,259 INFO L258 CegarLoopResult]: At program point L471-3(lines 466 474) the Hoare annotation is: false [2021-10-11 00:21:27,259 INFO L258 CegarLoopResult]: At program point L471-4(lines 466 474) the Hoare annotation is: false [2021-10-11 00:21:27,259 INFO L258 CegarLoopResult]: At program point L471-5(lines 466 474) the Hoare annotation is: false [2021-10-11 00:21:27,260 INFO L258 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:27,260 INFO L258 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2021-10-11 00:21:27,260 INFO L258 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2021-10-11 00:21:27,260 INFO L258 CegarLoopResult]: At program point L422(lines 417 425) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:27,260 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 512) no Hoare annotation was computed. [2021-10-11 00:21:27,261 INFO L265 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2021-10-11 00:21:27,261 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:27,261 INFO L258 CegarLoopResult]: At program point L342(lines 335 345) the Hoare annotation is: false [2021-10-11 00:21:27,261 INFO L258 CegarLoopResult]: At program point L342-1(lines 335 345) the Hoare annotation is: false [2021-10-11 00:21:27,261 INFO L258 CegarLoopResult]: At program point L342-2(lines 335 345) the Hoare annotation is: false [2021-10-11 00:21:27,262 INFO L262 CegarLoopResult]: For program point L210(lines 210 216) no Hoare annotation was computed. [2021-10-11 00:21:27,262 INFO L258 CegarLoopResult]: At program point L210-1(lines 210 216) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:27,262 INFO L262 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-11 00:21:27,262 INFO L258 CegarLoopResult]: At program point L246(lines 199 247) the Hoare annotation is: false [2021-10-11 00:21:27,262 INFO L262 CegarLoopResult]: For program point L230(lines 230 241) no Hoare annotation was computed. [2021-10-11 00:21:27,262 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:27,263 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 512) no Hoare annotation was computed. [2021-10-11 00:21:27,263 INFO L262 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-11 00:21:27,263 INFO L262 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2021-10-11 00:21:27,263 INFO L262 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2021-10-11 00:21:27,263 INFO L262 CegarLoopResult]: For program point L512-2(line 512) no Hoare annotation was computed. [2021-10-11 00:21:27,263 INFO L262 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2021-10-11 00:21:27,264 INFO L262 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2021-10-11 00:21:27,264 INFO L262 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2021-10-11 00:21:27,264 INFO L258 CegarLoopResult]: At program point L414(lines 1 881) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:27,264 INFO L258 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:27,264 INFO L262 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2021-10-11 00:21:27,265 INFO L258 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2021-10-11 00:21:27,265 INFO L258 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2021-10-11 00:21:27,265 INFO L262 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-10-11 00:21:27,265 INFO L265 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2021-10-11 00:21:27,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:27 BoogieIcfgContainer [2021-10-11 00:21:27,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:27,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:27,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:27,289 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:27,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:25" (3/4) ... [2021-10-11 00:21:27,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:27,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:21:27,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:21:27,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:21:27,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:21:27,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:21:27,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:27,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:27,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:21:27,418 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad445856-3ac6-4099-851f-aca549fd8865/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:27,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:27,421 INFO L168 Benchmark]: Toolchain (without parser) took 3335.48 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 67.0 MB in the beginning and 44.7 MB in the end (delta: 22.4 MB). Peak memory consumption was 60.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:27,421 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 57.5 MB in the end (delta: 70.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:27,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.90 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 66.8 MB in the beginning and 97.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:27,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.72 ms. Allocated memory is still 132.1 MB. Free memory was 97.4 MB in the beginning and 94.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:27,423 INFO L168 Benchmark]: Boogie Preprocessor took 47.79 ms. Allocated memory is still 132.1 MB. Free memory was 94.4 MB in the beginning and 92.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:27,423 INFO L168 Benchmark]: RCFGBuilder took 907.95 ms. Allocated memory is still 132.1 MB. Free memory was 92.3 MB in the beginning and 78.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:27,424 INFO L168 Benchmark]: TraceAbstraction took 1547.75 ms. Allocated memory is still 132.1 MB. Free memory was 78.1 MB in the beginning and 50.9 MB in the end (delta: 27.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:27,424 INFO L168 Benchmark]: Witness Printer took 129.97 ms. Allocated memory is still 132.1 MB. Free memory was 50.9 MB in the beginning and 44.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:27,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 57.5 MB in the end (delta: 70.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 621.90 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 66.8 MB in the beginning and 97.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.72 ms. Allocated memory is still 132.1 MB. Free memory was 97.4 MB in the beginning and 94.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.79 ms. Allocated memory is still 132.1 MB. Free memory was 94.4 MB in the beginning and 92.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 907.95 ms. Allocated memory is still 132.1 MB. Free memory was 92.3 MB in the beginning and 78.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1547.75 ms. Allocated memory is still 132.1 MB. Free memory was 78.1 MB in the beginning and 50.9 MB in the end (delta: 27.2 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. * Witness Printer took 129.97 ms. Allocated memory is still 132.1 MB. Free memory was 50.9 MB in the beginning and 44.7 MB in the end (delta: 6.3 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: 512]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 512]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 512]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 73 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 256 SDslu, 255 SDs, 0 SdLazy, 57 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1028 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...