./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.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_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/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_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/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_010b65ae-f0c8-470e-b2c5-723667058aaa/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 2db56498d5efee7ebbfc800217bb7d691cfe36ed .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:32:09,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:09,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:09,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:09,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:09,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:09,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:09,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:09,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:09,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:09,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:09,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:09,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:09,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:09,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:09,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:09,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:09,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:09,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:09,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:09,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:09,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:09,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:09,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:09,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:09,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:09,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:09,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:09,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:09,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:09,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:09,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:09,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:09,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:09,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:09,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:09,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:09,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:09,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:09,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:09,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:09,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:32:09,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:09,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:09,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:09,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:09,684 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:09,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:09,685 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:09,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:09,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:09,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:09,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:32:09,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:32:09,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:32:09,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:09,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:09,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:09,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:32:09,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:09,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:09,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:32:09,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:09,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:09,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:32:09,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:32:09,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:09,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:32:09,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:32:09,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:09,692 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_010b65ae-f0c8-470e-b2c5-723667058aaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2021-10-11 00:32:09,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:09,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:09,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:09,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:09,985 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:09,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-11 00:32:10,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/data/c67f0a0ba/411f9f2664b6441789a7038cd3f6693d/FLAGdd20d26bb [2021-10-11 00:32:10,612 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:10,618 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-11 00:32:10,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/data/c67f0a0ba/411f9f2664b6441789a7038cd3f6693d/FLAGdd20d26bb [2021-10-11 00:32:10,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/data/c67f0a0ba/411f9f2664b6441789a7038cd3f6693d [2021-10-11 00:32:10,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:10,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:10,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:10,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:10,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:10,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:10" (1/1) ... [2021-10-11 00:32:10,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f206ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:10, skipping insertion in model container [2021-10-11 00:32:10,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:10" (1/1) ... [2021-10-11 00:32:10,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:11,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:11,163 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_010b65ae-f0c8-470e-b2c5-723667058aaa/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2021-10-11 00:32:11,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:11,317 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:11,333 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_010b65ae-f0c8-470e-b2c5-723667058aaa/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2021-10-11 00:32:11,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:11,445 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:11,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11 WrapperNode [2021-10-11 00:32:11,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:11,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:11,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:11,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:11,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:11,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:11,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:11,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:11,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... [2021-10-11 00:32:11,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:11,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:11,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:11,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:11,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:11,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:12,361 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:12,361 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-10-11 00:32:12,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:12 BoogieIcfgContainer [2021-10-11 00:32:12,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:12,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:12,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:12,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:12,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:10" (1/3) ... [2021-10-11 00:32:12,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69347fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:12, skipping insertion in model container [2021-10-11 00:32:12,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:11" (2/3) ... [2021-10-11 00:32:12,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69347fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:12, skipping insertion in model container [2021-10-11 00:32:12,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:12" (3/3) ... [2021-10-11 00:32:12,373 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2021-10-11 00:32:12,388 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:12,391 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:32:12,403 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:32:12,429 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:12,430 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:12,430 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:12,430 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:12,430 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:12,431 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:12,431 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:12,431 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-10-11 00:32:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:32:12,461 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:12,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:12,463 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:12,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:12,469 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-10-11 00:32:12,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:12,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320441989] [2021-10-11 00:32:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:12,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320441989] [2021-10-11 00:32:12,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:12,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:12,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689097998] [2021-10-11 00:32:12,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:32:12,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:12,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:32:12,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:32:12,824 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2021-10-11 00:32:12,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:12,856 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-11 00:32:12,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:32:12,858 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:32:12,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:12,878 INFO L225 Difference]: With dead ends: 108 [2021-10-11 00:32:12,879 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 00:32:12,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:32:12,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 00:32:12,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 00:32:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 00:32:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-11 00:32:12,917 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-11 00:32:12,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:12,917 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-11 00:32:12,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:32:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-11 00:32:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:32:12,918 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:12,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:12,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:12,919 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:12,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:12,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-10-11 00:32:12,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:12,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570199751] [2021-10-11 00:32:12,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:13,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570199751] [2021-10-11 00:32:13,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:13,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:13,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068880179] [2021-10-11 00:32:13,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:13,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:13,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:13,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:13,047 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2021-10-11 00:32:13,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:13,058 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-11 00:32:13,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:13,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:32:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:13,062 INFO L225 Difference]: With dead ends: 53 [2021-10-11 00:32:13,063 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 00:32:13,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 00:32:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 00:32:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 00:32:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-11 00:32:13,071 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-11 00:32:13,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:13,072 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-11 00:32:13,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-11 00:32:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:32:13,075 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:13,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:13,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:13,077 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:13,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:13,079 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-10-11 00:32:13,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:13,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832784876] [2021-10-11 00:32:13,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:13,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832784876] [2021-10-11 00:32:13,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:13,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:32:13,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998162574] [2021-10-11 00:32:13,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:32:13,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:13,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:32:13,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:32:13,268 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2021-10-11 00:32:13,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:13,638 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2021-10-11 00:32:13,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:32:13,639 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2021-10-11 00:32:13,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:13,646 INFO L225 Difference]: With dead ends: 142 [2021-10-11 00:32:13,646 INFO L226 Difference]: Without dead ends: 121 [2021-10-11 00:32:13,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:32:13,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-11 00:32:13,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2021-10-11 00:32:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:32:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-10-11 00:32:13,673 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2021-10-11 00:32:13,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:13,674 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-10-11 00:32:13,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:32:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2021-10-11 00:32:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:32:13,675 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:13,675 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 00:32:13,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:13,676 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:13,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:13,676 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2021-10-11 00:32:13,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:13,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981877079] [2021-10-11 00:32:13,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:13,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981877079] [2021-10-11 00:32:13,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:13,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:13,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636464752] [2021-10-11 00:32:13,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:13,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:13,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:13,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:13,731 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2021-10-11 00:32:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:13,744 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2021-10-11 00:32:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:13,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 00:32:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:13,746 INFO L225 Difference]: With dead ends: 95 [2021-10-11 00:32:13,746 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 00:32:13,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:13,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 00:32:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 00:32:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 00:32:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2021-10-11 00:32:13,754 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2021-10-11 00:32:13,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:13,754 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2021-10-11 00:32:13,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:13,755 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-11 00:32:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:32:13,756 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:13,756 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:13,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:13,756 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:13,757 INFO L82 PathProgramCache]: Analyzing trace with hash 587810131, now seen corresponding path program 1 times [2021-10-11 00:32:13,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:13,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367449104] [2021-10-11 00:32:13,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:13,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367449104] [2021-10-11 00:32:13,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634167369] [2021-10-11 00:32:13,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:14,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:32:14,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:14,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:32:14,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:32:14,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775431567] [2021-10-11 00:32:14,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:32:14,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:14,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:32:14,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:14,099 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 4 states. [2021-10-11 00:32:14,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:14,191 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2021-10-11 00:32:14,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:32:14,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-10-11 00:32:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:14,195 INFO L225 Difference]: With dead ends: 73 [2021-10-11 00:32:14,195 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:32:14,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:14,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:32:14,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:32:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:32:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:32:14,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-11 00:32:14,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:14,197 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:14,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:32:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:32:14,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:32:14,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:14,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:32:15,043 INFO L262 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-10-11 00:32:15,043 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:32:15,043 INFO L262 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2021-10-11 00:32:15,043 INFO L262 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-10-11 00:32:15,043 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:32:15,044 INFO L262 CegarLoopResult]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2021-10-11 00:32:15,044 INFO L265 CegarLoopResult]: At program point L185(lines 166 188) the Hoare annotation is: true [2021-10-11 00:32:15,044 INFO L258 CegarLoopResult]: At program point L152(lines 148 154) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) [2021-10-11 00:32:15,044 INFO L262 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-10-11 00:32:15,044 INFO L262 CegarLoopResult]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-10-11 00:32:15,045 INFO L258 CegarLoopResult]: At program point L334-1(lines 334 340) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-10-11 00:32:15,045 INFO L258 CegarLoopResult]: At program point L204(lines 203 222) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-10-11 00:32:15,045 INFO L262 CegarLoopResult]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-10-11 00:32:15,045 INFO L258 CegarLoopResult]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2021-10-11 00:32:15,045 INFO L262 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-11 00:32:15,046 INFO L258 CegarLoopResult]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2021-10-11 00:32:15,046 INFO L262 CegarLoopResult]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2021-10-11 00:32:15,046 INFO L262 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-10-11 00:32:15,046 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:32:15,046 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:32:15,046 INFO L258 CegarLoopResult]: At program point L76(lines 1 840) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-10-11 00:32:15,047 INFO L262 CegarLoopResult]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-11 00:32:15,047 INFO L258 CegarLoopResult]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-10-11 00:32:15,047 INFO L262 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2021-10-11 00:32:15,047 INFO L265 CegarLoopResult]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2021-10-11 00:32:15,047 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:32:15,048 INFO L262 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-10-11 00:32:15,048 INFO L258 CegarLoopResult]: At program point L458-1(lines 1 840) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-10-11 00:32:15,048 INFO L262 CegarLoopResult]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-10-11 00:32:15,048 INFO L258 CegarLoopResult]: At program point L458-3(lines 1 840) the Hoare annotation is: false [2021-10-11 00:32:15,048 INFO L262 CegarLoopResult]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-10-11 00:32:15,049 INFO L258 CegarLoopResult]: At program point L458-5(lines 1 840) the Hoare annotation is: false [2021-10-11 00:32:15,049 INFO L262 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:32:15,049 INFO L262 CegarLoopResult]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:32:15,049 INFO L258 CegarLoopResult]: At program point L211(lines 211 217) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-10-11 00:32:15,049 INFO L258 CegarLoopResult]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2021-10-11 00:32:15,050 INFO L262 CegarLoopResult]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:32:15,050 INFO L258 CegarLoopResult]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2021-10-11 00:32:15,050 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:32:15,050 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:32:15,050 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:32:15,050 INFO L258 CegarLoopResult]: At program point L360(lines 313 361) the Hoare annotation is: false [2021-10-11 00:32:15,051 INFO L262 CegarLoopResult]: For program point L344(lines 344 355) no Hoare annotation was computed. [2021-10-11 00:32:15,051 INFO L258 CegarLoopResult]: At program point L263(lines 258 266) the Hoare annotation is: false [2021-10-11 00:32:15,051 INFO L258 CegarLoopResult]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2021-10-11 00:32:15,051 INFO L258 CegarLoopResult]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2021-10-11 00:32:15,051 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:32:15,051 INFO L258 CegarLoopResult]: At program point L445(lines 440 448) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-10-11 00:32:15,052 INFO L258 CegarLoopResult]: At program point L445-1(lines 440 448) the Hoare annotation is: false [2021-10-11 00:32:15,052 INFO L258 CegarLoopResult]: At program point L445-2(lines 440 448) the Hoare annotation is: false [2021-10-11 00:32:15,052 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:32:15,052 INFO L262 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-10-11 00:32:15,052 INFO L262 CegarLoopResult]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-10-11 00:32:15,053 INFO L262 CegarLoopResult]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-10-11 00:32:15,053 INFO L262 CegarLoopResult]: For program point L315(lines 314 359) no Hoare annotation was computed. [2021-10-11 00:32:15,053 INFO L258 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:15,053 INFO L258 CegarLoopResult]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2021-10-11 00:32:15,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:15 BoogieIcfgContainer [2021-10-11 00:32:15,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:15,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:15,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:15,074 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:15,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:12" (3/4) ... [2021-10-11 00:32:15,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:32:15,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:32:15,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:32:15,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:32:15,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:32:15,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:32:15,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:15,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:15,127 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 [2021-10-11 00:32:15,127 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel [2021-10-11 00:32:15,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) || ((((!(\result == 0) && !(tmp == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:32:15,129 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:32:15,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:32:15,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:32:15,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:32:15,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2021-10-11 00:32:15,192 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_010b65ae-f0c8-470e-b2c5-723667058aaa/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:15,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:15,199 INFO L168 Benchmark]: Toolchain (without parser) took 4266.93 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 76.5 MB in the beginning and 66.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,200 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 87.5 MB in the end (delta: 30.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:15,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.57 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 79.2 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.85 ms. Allocated memory is still 113.2 MB. Free memory was 79.2 MB in the beginning and 76.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,202 INFO L168 Benchmark]: Boogie Preprocessor took 62.37 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 74.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,203 INFO L168 Benchmark]: RCFGBuilder took 778.85 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 74.5 MB in the beginning and 119.9 MB in the end (delta: -45.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,203 INFO L168 Benchmark]: TraceAbstraction took 2707.76 ms. Allocated memory is still 153.1 MB. Free memory was 118.9 MB in the beginning and 71.0 MB in the end (delta: 48.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,204 INFO L168 Benchmark]: Witness Printer took 124.04 ms. Allocated memory is still 153.1 MB. Free memory was 71.0 MB in the beginning and 66.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 87.5 MB in the end (delta: 30.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 511.57 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 79.2 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.85 ms. Allocated memory is still 113.2 MB. Free memory was 79.2 MB in the beginning and 76.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.37 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 74.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 778.85 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 74.5 MB in the beginning and 119.9 MB in the end (delta: -45.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2707.76 ms. Allocated memory is still 153.1 MB. Free memory was 118.9 MB in the beginning and 71.0 MB in the end (delta: 48.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 16.1 GB. * Witness Printer took 124.04 ms. Allocated memory is still 153.1 MB. Free memory was 71.0 MB in the beginning and 66.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) || ((((!(\result == 0) && !(tmp == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 38 NumberOfFragments, 223 HoareAnnotationTreeSize, 24 FomulaSimplifications, 235 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 9184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...