./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.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_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/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_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/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_5bc1be9a-5b0e-4512-95f2-a474bd068d46/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 9399fd1973c407bf1d8cb1f825eaeba76c4c394b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:29:11,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:11,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:11,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:11,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:11,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:11,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:11,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:11,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:11,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:11,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:11,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:11,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:11,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:11,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:11,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:11,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:11,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:11,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:11,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:11,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:11,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:11,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:11,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:11,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:11,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:11,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:11,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:11,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:11,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:11,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:11,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:11,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:11,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:11,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:11,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:11,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:11,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:11,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:11,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:11,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:11,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:29:11,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:11,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:11,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:11,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:11,629 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:11,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:11,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:11,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:11,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:11,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:11,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:11,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:11,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:11,631 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:11,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:11,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:11,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:11,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:11,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:11,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:11,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:11,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:11,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:11,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:11,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:11,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:29:11,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:11,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:11,635 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_5bc1be9a-5b0e-4512-95f2-a474bd068d46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9399fd1973c407bf1d8cb1f825eaeba76c4c394b [2021-10-11 00:29:11,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:11,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:11,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:11,928 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:11,934 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:11,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-10-11 00:29:12,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/data/f8d525e6f/923f13e7a1fd4e9cb8fa4d4d14e0f1d2/FLAGe7fb98bd1 [2021-10-11 00:29:12,523 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:12,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-10-11 00:29:12,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/data/f8d525e6f/923f13e7a1fd4e9cb8fa4d4d14e0f1d2/FLAGe7fb98bd1 [2021-10-11 00:29:12,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/data/f8d525e6f/923f13e7a1fd4e9cb8fa4d4d14e0f1d2 [2021-10-11 00:29:12,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:12,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:12,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:12,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:12,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:12,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:12" (1/1) ... [2021-10-11 00:29:12,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373f08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:12, skipping insertion in model container [2021-10-11 00:29:12,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:12" (1/1) ... [2021-10-11 00:29:12,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:12,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:13,206 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_5bc1be9a-5b0e-4512-95f2-a474bd068d46/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16111,16124] [2021-10-11 00:29:13,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:13,227 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:13,291 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_5bc1be9a-5b0e-4512-95f2-a474bd068d46/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16111,16124] [2021-10-11 00:29:13,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:13,339 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:13,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13 WrapperNode [2021-10-11 00:29:13,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:13,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:13,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:13,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:13,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:13,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:13,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:13,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:13,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... [2021-10-11 00:29:13,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:13,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:13,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:13,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:13,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/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 00:29:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:13,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:14,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:14,356 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-11 00:29:14,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:14 BoogieIcfgContainer [2021-10-11 00:29:14,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:14,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:14,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:14,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:14,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:12" (1/3) ... [2021-10-11 00:29:14,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d88fa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:14, skipping insertion in model container [2021-10-11 00:29:14,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:13" (2/3) ... [2021-10-11 00:29:14,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d88fa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:14, skipping insertion in model container [2021-10-11 00:29:14,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:14" (3/3) ... [2021-10-11 00:29:14,370 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2021-10-11 00:29:14,387 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:14,391 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:29:14,402 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:29:14,438 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:14,439 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:14,440 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:14,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:14,440 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:14,440 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:14,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:14,452 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 00:29:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:29:14,478 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:14,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:14,480 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:14,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:14,486 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-10-11 00:29:14,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:14,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627316144] [2021-10-11 00:29:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:14,853 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 00:29:14,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627316144] [2021-10-11 00:29:14,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:14,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:14,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614942221] [2021-10-11 00:29:14,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:29:14,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:14,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:14,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:14,874 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 00:29:14,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:14,899 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-11 00:29:14,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:14,900 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:29:14,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:14,911 INFO L225 Difference]: With dead ends: 144 [2021-10-11 00:29:14,911 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 00:29:14,914 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 00:29:14,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 00:29:14,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 00:29:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:29:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-11 00:29:14,955 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-11 00:29:14,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:14,956 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-11 00:29:14,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:29:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-11 00:29:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:29:14,958 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:14,958 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 00:29:14,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:29:14,959 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:14,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:14,960 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-10-11 00:29:14,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:14,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824378561] [2021-10-11 00:29:14,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:15,053 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 00:29:15,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824378561] [2021-10-11 00:29:15,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:15,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:15,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24676694] [2021-10-11 00:29:15,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:15,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:15,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:15,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:15,057 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2021-10-11 00:29:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:15,070 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-11 00:29:15,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:15,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:29:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:15,072 INFO L225 Difference]: With dead ends: 71 [2021-10-11 00:29:15,072 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:29:15,073 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 00:29:15,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:29:15,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:29:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:29:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 00:29:15,079 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 00:29:15,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:15,080 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 00:29:15,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 00:29:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:29:15,083 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:15,083 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 00:29:15,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:29:15,084 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:15,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-10-11 00:29:15,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:15,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119725692] [2021-10-11 00:29:15,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:15,208 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 00:29:15,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119725692] [2021-10-11 00:29:15,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:15,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:15,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898251060] [2021-10-11 00:29:15,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:15,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:15,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:15,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:15,211 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 00:29:15,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:15,234 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-11 00:29:15,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:15,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:29:15,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:15,236 INFO L225 Difference]: With dead ends: 60 [2021-10-11 00:29:15,236 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:29:15,237 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 00:29:15,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:29:15,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:29:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:29:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-11 00:29:15,242 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-11 00:29:15,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:15,246 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-11 00:29:15,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-11 00:29:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:29:15,263 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:15,263 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 00:29:15,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:29:15,263 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:15,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:15,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-10-11 00:29:15,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:15,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277642459] [2021-10-11 00:29:15,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:15,386 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 00:29:15,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277642459] [2021-10-11 00:29:15,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:15,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:29:15,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463216081] [2021-10-11 00:29:15,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:15,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:15,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:15,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:15,393 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2021-10-11 00:29:15,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:15,487 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 00:29:15,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:29:15,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:29:15,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:15,490 INFO L225 Difference]: With dead ends: 151 [2021-10-11 00:29:15,490 INFO L226 Difference]: Without dead ends: 124 [2021-10-11 00:29:15,491 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 00:29:15,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-11 00:29:15,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-11 00:29:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 00:29:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-11 00:29:15,505 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-11 00:29:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:15,505 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-11 00:29:15,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-11 00:29:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:29:15,506 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:15,507 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 00:29:15,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:29:15,507 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:15,508 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2021-10-11 00:29:15,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:15,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073657493] [2021-10-11 00:29:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:15,609 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 00:29:15,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073657493] [2021-10-11 00:29:15,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:15,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:29:15,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604138215] [2021-10-11 00:29:15,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:15,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:15,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:15,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:15,612 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2021-10-11 00:29:15,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:15,705 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-11 00:29:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:15,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:29:15,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:15,707 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:29:15,707 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:29:15,708 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 00:29:15,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:29:15,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:29:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:29:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:29:15,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:29:15,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:15,710 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:15,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:29:15,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:29:15,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:29:15,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:29:15,999 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-10-11 00:29:15,999 INFO L262 CegarLoopResult]: For program point L416(lines 416 429) no Hoare annotation was computed. [2021-10-11 00:29:15,999 INFO L258 CegarLoopResult]: At program point L862(lines 857 865) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:16,000 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:29:16,000 INFO L258 CegarLoopResult]: At program point L862-1(lines 857 865) the Hoare annotation is: false [2021-10-11 00:29:16,000 INFO L258 CegarLoopResult]: At program point L862-2(lines 857 865) the Hoare annotation is: false [2021-10-11 00:29:16,000 INFO L262 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-11 00:29:16,000 INFO L258 CegarLoopResult]: At program point L53-1(lines 1 906) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:16,000 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-11 00:29:16,001 INFO L258 CegarLoopResult]: At program point L53-3(lines 1 906) the Hoare annotation is: false [2021-10-11 00:29:16,001 INFO L262 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-11 00:29:16,001 INFO L258 CegarLoopResult]: At program point L53-5(lines 1 906) the Hoare annotation is: false [2021-10-11 00:29:16,001 INFO L262 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2021-10-11 00:29:16,001 INFO L262 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2021-10-11 00:29:16,001 INFO L262 CegarLoopResult]: For program point L813-2(line 813) no Hoare annotation was computed. [2021-10-11 00:29:16,002 INFO L258 CegarLoopResult]: At program point L434(lines 385 435) the Hoare annotation is: false [2021-10-11 00:29:16,003 INFO L258 CegarLoopResult]: At program point L104(lines 99 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:16,003 INFO L258 CegarLoopResult]: At program point L121-2(lines 121 135) the Hoare annotation is: false [2021-10-11 00:29:16,003 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-11 00:29:16,003 INFO L262 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-10-11 00:29:16,004 INFO L265 CegarLoopResult]: At program point L205(lines 186 208) the Hoare annotation is: true [2021-10-11 00:29:16,004 INFO L258 CegarLoopResult]: At program point L172(lines 168 174) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:16,004 INFO L262 CegarLoopResult]: For program point L387(lines 386 433) no Hoare annotation was computed. [2021-10-11 00:29:16,004 INFO L262 CegarLoopResult]: For program point L255(lines 255 272) no Hoare annotation was computed. [2021-10-11 00:29:16,004 INFO L262 CegarLoopResult]: For program point L255-1(lines 255 272) no Hoare annotation was computed. [2021-10-11 00:29:16,004 INFO L262 CegarLoopResult]: For program point L255-2(lines 255 272) no Hoare annotation was computed. [2021-10-11 00:29:16,004 INFO L262 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-11 00:29:16,004 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-11 00:29:16,005 INFO L262 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-11 00:29:16,005 INFO L262 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-10-11 00:29:16,006 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:29:16,010 INFO L258 CegarLoopResult]: At program point L223(lines 222 241) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:16,010 INFO L262 CegarLoopResult]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2021-10-11 00:29:16,010 INFO L258 CegarLoopResult]: At program point L223-2(lines 222 241) the Hoare annotation is: false [2021-10-11 00:29:16,010 INFO L258 CegarLoopResult]: At program point L223-3(lines 222 241) the Hoare annotation is: false [2021-10-11 00:29:16,010 INFO L262 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-10-11 00:29:16,010 INFO L262 CegarLoopResult]: For program point L125-1(lines 223 229) no Hoare annotation was computed. [2021-10-11 00:29:16,011 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-10-11 00:29:16,011 INFO L262 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-10-11 00:29:16,012 INFO L258 CegarLoopResult]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:16,012 INFO L262 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-10-11 00:29:16,012 INFO L262 CegarLoopResult]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2021-10-11 00:29:16,012 INFO L262 CegarLoopResult]: For program point L357-3(lines 357 361) no Hoare annotation was computed. [2021-10-11 00:29:16,019 INFO L262 CegarLoopResult]: For program point L357-5(lines 357 361) no Hoare annotation was computed. [2021-10-11 00:29:16,019 INFO L262 CegarLoopResult]: For program point L357-6(lines 357 361) no Hoare annotation was computed. [2021-10-11 00:29:16,019 INFO L262 CegarLoopResult]: For program point L357-8(lines 357 361) no Hoare annotation was computed. [2021-10-11 00:29:16,019 INFO L258 CegarLoopResult]: At program point L308(lines 303 311) 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 00:29:16,019 INFO L258 CegarLoopResult]: At program point L308-1(lines 303 311) the Hoare annotation is: false [2021-10-11 00:29:16,019 INFO L258 CegarLoopResult]: At program point L308-2(lines 303 311) the Hoare annotation is: false [2021-10-11 00:29:16,020 INFO L262 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-11 00:29:16,020 INFO L258 CegarLoopResult]: At program point L903(lines 898 906) the Hoare annotation is: false [2021-10-11 00:29:16,020 INFO L258 CegarLoopResult]: At program point L424-2(lines 223 229) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:16,020 INFO L258 CegarLoopResult]: At program point L903-1(lines 898 906) the Hoare annotation is: false [2021-10-11 00:29:16,020 INFO L262 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2021-10-11 00:29:16,021 INFO L258 CegarLoopResult]: At program point L903-2(lines 898 906) the Hoare annotation is: false [2021-10-11 00:29:16,021 INFO L262 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2021-10-11 00:29:16,021 INFO L262 CegarLoopResult]: For program point L259-1(lines 259 267) no Hoare annotation was computed. [2021-10-11 00:29:16,021 INFO L262 CegarLoopResult]: For program point L259-2(lines 259 267) no Hoare annotation was computed. [2021-10-11 00:29:16,022 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:29:16,022 INFO L258 CegarLoopResult]: At program point L96(lines 1 906) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:16,022 INFO L262 CegarLoopResult]: For program point L196(lines 196 203) no Hoare annotation was computed. [2021-10-11 00:29:16,022 INFO L265 CegarLoopResult]: At program point L196-1(lines 196 203) the Hoare annotation is: true [2021-10-11 00:29:16,022 INFO L258 CegarLoopResult]: At program point L230(lines 230 236) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:16,023 INFO L258 CegarLoopResult]: At program point L230-1(lines 230 236) the Hoare annotation is: false [2021-10-11 00:29:16,023 INFO L258 CegarLoopResult]: At program point L230-2(lines 230 236) the Hoare annotation is: false [2021-10-11 00:29:16,023 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:29:16,023 INFO L262 CegarLoopResult]: For program point L825(lines 825 829) no Hoare annotation was computed. [2021-10-11 00:29:16,024 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-10-11 00:29:16,024 INFO L262 CegarLoopResult]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2021-10-11 00:29:16,024 INFO L262 CegarLoopResult]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2021-10-11 00:29:16,024 INFO L262 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2021-10-11 00:29:16,026 INFO L258 CegarLoopResult]: At program point L396-1(lines 396 402) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:16,026 INFO L258 CegarLoopResult]: At program point L363(lines 348 366) the Hoare annotation is: false [2021-10-11 00:29:16,026 INFO L258 CegarLoopResult]: At program point L363-1(lines 348 366) the Hoare annotation is: false [2021-10-11 00:29:16,026 INFO L258 CegarLoopResult]: At program point L363-2(lines 348 366) the Hoare annotation is: false [2021-10-11 00:29:16,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:16 BoogieIcfgContainer [2021-10-11 00:29:16,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:29:16,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:16,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:16,058 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:16,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:14" (3/4) ... [2021-10-11 00:29:16,062 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:29:16,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:29:16,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:29:16,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:29:16,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:29:16,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:29:16,087 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:16,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:16,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:29:16,202 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc1be9a-5b0e-4512-95f2-a474bd068d46/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:29:16,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:16,204 INFO L168 Benchmark]: Toolchain (without parser) took 3353.31 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 54.3 MB in the beginning and 46.1 MB in the end (delta: 8.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:16,204 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 88.1 MB. Free memory was 62.4 MB in the beginning and 62.4 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:16,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.30 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 56.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:16,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.03 ms. Allocated memory is still 88.1 MB. Free memory was 56.0 MB in the beginning and 53.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:16,206 INFO L168 Benchmark]: Boogie Preprocessor took 65.69 ms. Allocated memory is still 88.1 MB. Free memory was 53.2 MB in the beginning and 51.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:16,207 INFO L168 Benchmark]: RCFGBuilder took 851.35 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.1 MB in the beginning and 51.2 MB in the end (delta: -111.6 kB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:16,207 INFO L168 Benchmark]: TraceAbstraction took 1695.45 ms. Allocated memory is still 107.0 MB. Free memory was 50.7 MB in the beginning and 52.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:16,207 INFO L168 Benchmark]: Witness Printer took 144.03 ms. Allocated memory is still 107.0 MB. Free memory was 52.4 MB in the beginning and 46.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:16,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 88.1 MB. Free memory was 62.4 MB in the beginning and 62.4 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 485.30 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 56.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.03 ms. Allocated memory is still 88.1 MB. Free memory was 56.0 MB in the beginning and 53.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.69 ms. Allocated memory is still 88.1 MB. Free memory was 53.2 MB in the beginning and 51.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 851.35 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.1 MB in the beginning and 51.2 MB in the end (delta: -111.6 kB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1695.45 ms. Allocated memory is still 107.0 MB. Free memory was 50.7 MB in the beginning and 52.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * Witness Printer took 144.03 ms. Allocated memory is still 107.0 MB. Free memory was 52.4 MB in the beginning and 46.1 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: 813]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 813]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 813]: 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: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 311 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1267 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...