./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/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_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/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_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/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 48c39be663ea9587abdd0baa0fb24ac54d02b705 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:29:08,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:08,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:08,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:08,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:08,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:08,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:08,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:08,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:08,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:08,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:08,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:08,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:08,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:08,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:08,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:08,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:08,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:08,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:08,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:08,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:08,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:08,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:08,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:08,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:08,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:08,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:08,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:08,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:08,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:08,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:08,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:08,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:08,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:08,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:08,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:08,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:08,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:08,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:08,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:08,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:08,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:29:08,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:08,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:08,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:08,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:08,546 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:08,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:08,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:08,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:08,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:08,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:08,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:29:08,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:29:08,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:29:08,556 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:08,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:08,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:08,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:29:08,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:08,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:08,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:29:08,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:29:08,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:08,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:29:08,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:29:08,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:08,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:29:08,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:29:08,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:08,560 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_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c39be663ea9587abdd0baa0fb24ac54d02b705 [2021-10-11 00:29:08,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:08,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:08,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:08,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:08,903 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:08,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-11 00:29:08,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/data/3be9dac04/950295ac2d194e9e9ddd9201f6fcd296/FLAG7bf2910cf [2021-10-11 00:29:09,472 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:09,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-11 00:29:09,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/data/3be9dac04/950295ac2d194e9e9ddd9201f6fcd296/FLAG7bf2910cf [2021-10-11 00:29:09,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/data/3be9dac04/950295ac2d194e9e9ddd9201f6fcd296 [2021-10-11 00:29:09,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:09,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:09,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:09,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:09,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:09,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:09" (1/1) ... [2021-10-11 00:29:09,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c23f083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:09, skipping insertion in model container [2021-10-11 00:29:09,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:09" (1/1) ... [2021-10-11 00:29:09,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:09,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:10,068 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_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1281,1294] [2021-10-11 00:29:10,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:10,212 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:10,230 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_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1281,1294] [2021-10-11 00:29:10,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:10,381 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:10,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10 WrapperNode [2021-10-11 00:29:10,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:10,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:10,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:10,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:10,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:10,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:10,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:10,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:10,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... [2021-10-11 00:29:10,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:10,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:10,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:10,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:10,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/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 00:29:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:11,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:11,434 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-11 00:29:11,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:11 BoogieIcfgContainer [2021-10-11 00:29:11,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:11,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:29:11,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:29:11,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:29:11,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:09" (1/3) ... [2021-10-11 00:29:11,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa716b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:11, skipping insertion in model container [2021-10-11 00:29:11,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:10" (2/3) ... [2021-10-11 00:29:11,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa716b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:29:11, skipping insertion in model container [2021-10-11 00:29:11,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:11" (3/3) ... [2021-10-11 00:29:11,447 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2021-10-11 00:29:11,460 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:29:11,463 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:29:11,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:29:11,523 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:29:11,524 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:29:11,524 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:29:11,524 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:11,525 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:11,525 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:29:11,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:11,525 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:29:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 00:29:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:29:11,556 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:11,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:11,558 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:11,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:11,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-11 00:29:11,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:11,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709557687] [2021-10-11 00:29:11,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:11,811 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 00:29:11,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709557687] [2021-10-11 00:29:11,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:11,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:11,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560147934] [2021-10-11 00:29:11,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:29:11,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:11,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:11,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:11,832 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 00:29:11,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:11,854 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 00:29:11,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:11,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:29:11,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:11,863 INFO L225 Difference]: With dead ends: 112 [2021-10-11 00:29:11,863 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 00:29:11,866 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 00:29:11,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 00:29:11,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 00:29:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 00:29:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 00:29:11,901 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 00:29:11,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:11,902 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 00:29:11,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:29:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 00:29:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:29:11,903 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:11,903 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 00:29:11,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:29:11,904 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:11,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:11,905 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-11 00:29:11,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:11,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821620848] [2021-10-11 00:29:11,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:12,006 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 00:29:12,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821620848] [2021-10-11 00:29:12,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:12,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:12,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983755645] [2021-10-11 00:29:12,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:12,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:12,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:12,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:12,012 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 00:29:12,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:12,024 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 00:29:12,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:12,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:29:12,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:12,028 INFO L225 Difference]: With dead ends: 55 [2021-10-11 00:29:12,028 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 00:29:12,029 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 00:29:12,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 00:29:12,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 00:29:12,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 00:29:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 00:29:12,034 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 00:29:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:12,035 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 00:29:12,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 00:29:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:29:12,036 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:12,036 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 00:29:12,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:29:12,036 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:12,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:12,039 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-11 00:29:12,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:12,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880271706] [2021-10-11 00:29:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:12,191 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 00:29:12,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880271706] [2021-10-11 00:29:12,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:12,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:12,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063939638] [2021-10-11 00:29:12,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:29:12,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:12,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:12,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:12,194 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2021-10-11 00:29:12,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:12,227 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 00:29:12,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:29:12,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:29:12,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:12,235 INFO L225 Difference]: With dead ends: 75 [2021-10-11 00:29:12,235 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 00:29:12,237 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 00:29:12,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 00:29:12,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 00:29:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 00:29:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 00:29:12,258 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 00:29:12,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:12,258 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 00:29:12,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:29:12,258 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 00:29:12,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:29:12,259 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:12,259 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 00:29:12,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:29:12,260 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:12,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:12,260 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-11 00:29:12,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:12,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536367589] [2021-10-11 00:29:12,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:12,428 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 00:29:12,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536367589] [2021-10-11 00:29:12,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:12,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:12,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397432899] [2021-10-11 00:29:12,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:29:12,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:12,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:29:12,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:29:12,446 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 6 states. [2021-10-11 00:29:12,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:12,813 INFO L93 Difference]: Finished difference Result 260 states and 401 transitions. [2021-10-11 00:29:12,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:29:12,814 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-10-11 00:29:12,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:12,820 INFO L225 Difference]: With dead ends: 260 [2021-10-11 00:29:12,820 INFO L226 Difference]: Without dead ends: 218 [2021-10-11 00:29:12,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:29:12,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-11 00:29:12,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 82. [2021-10-11 00:29:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-10-11 00:29:12,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2021-10-11 00:29:12,845 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 119 transitions. Word has length 22 [2021-10-11 00:29:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:12,845 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 119 transitions. [2021-10-11 00:29:12,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:29:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2021-10-11 00:29:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:29:12,847 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:29:12,847 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 00:29:12,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:29:12,847 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:29:12,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:12,848 INFO L82 PathProgramCache]: Analyzing trace with hash -170450738, now seen corresponding path program 1 times [2021-10-11 00:29:12,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:12,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794738914] [2021-10-11 00:29:12,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:12,957 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 00:29:12,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794738914] [2021-10-11 00:29:12,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:12,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:29:12,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968674209] [2021-10-11 00:29:12,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:29:12,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:12,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:12,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:12,961 INFO L87 Difference]: Start difference. First operand 82 states and 119 transitions. Second operand 5 states. [2021-10-11 00:29:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:13,068 INFO L93 Difference]: Finished difference Result 268 states and 399 transitions. [2021-10-11 00:29:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:13,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:29:13,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:29:13,069 INFO L225 Difference]: With dead ends: 268 [2021-10-11 00:29:13,069 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:29:13,074 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 00:29:13,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:29:13,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:29:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:29:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:29:13,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 00:29:13,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:29:13,076 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:13,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:29:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:29:13,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:29:13,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:29:13,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:29:13,371 INFO L258 CegarLoopResult]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2021-10-11 00:29:13,372 INFO L262 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-10-11 00:29:13,372 INFO L262 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2021-10-11 00:29:13,372 INFO L258 CegarLoopResult]: At program point L250-1(lines 68 74) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,372 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:29:13,373 INFO L262 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2021-10-11 00:29:13,373 INFO L258 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,373 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:29:13,373 INFO L262 CegarLoopResult]: For program point L284(lines 284 290) no Hoare annotation was computed. [2021-10-11 00:29:13,373 INFO L262 CegarLoopResult]: For program point L284-2(lines 284 290) no Hoare annotation was computed. [2021-10-11 00:29:13,373 INFO L262 CegarLoopResult]: For program point L284-4(lines 284 290) no Hoare annotation was computed. [2021-10-11 00:29:13,374 INFO L258 CegarLoopResult]: At program point L865(lines 1 876) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:13,374 INFO L262 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-10-11 00:29:13,374 INFO L262 CegarLoopResult]: For program point L304-3(lines 304 308) no Hoare annotation was computed. [2021-10-11 00:29:13,374 INFO L262 CegarLoopResult]: For program point L304-6(lines 304 308) no Hoare annotation was computed. [2021-10-11 00:29:13,374 INFO L262 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2021-10-11 00:29:13,375 INFO L258 CegarLoopResult]: At program point L189-1(lines 189 195) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,375 INFO L258 CegarLoopResult]: At program point L437(lines 433 439) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:13,375 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:29:13,375 INFO L258 CegarLoopResult]: At program point L75(lines 75 81) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,375 INFO L258 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2021-10-11 00:29:13,375 INFO L258 CegarLoopResult]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2021-10-11 00:29:13,376 INFO L258 CegarLoopResult]: At program point L389-2(lines 389 403) the Hoare annotation is: false [2021-10-11 00:29:13,376 INFO L262 CegarLoopResult]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-10-11 00:29:13,376 INFO L258 CegarLoopResult]: At program point L224-1(lines 224 230) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,376 INFO L265 CegarLoopResult]: At program point L472(lines 453 475) the Hoare annotation is: true [2021-10-11 00:29:13,376 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:29:13,377 INFO L258 CegarLoopResult]: At program point L373(lines 368 376) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,377 INFO L258 CegarLoopResult]: At program point L373-1(lines 368 376) the Hoare annotation is: false [2021-10-11 00:29:13,377 INFO L258 CegarLoopResult]: At program point L373-2(lines 368 376) the Hoare annotation is: false [2021-10-11 00:29:13,377 INFO L262 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2021-10-11 00:29:13,377 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:29:13,377 INFO L262 CegarLoopResult]: For program point L244(lines 244 257) no Hoare annotation was computed. [2021-10-11 00:29:13,378 INFO L258 CegarLoopResult]: At program point L145(lines 140 148) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,378 INFO L258 CegarLoopResult]: At program point L145-1(lines 140 148) the Hoare annotation is: false [2021-10-11 00:29:13,378 INFO L258 CegarLoopResult]: At program point L145-2(lines 140 148) the Hoare annotation is: false [2021-10-11 00:29:13,378 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:29:13,378 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:29:13,379 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:29:13,379 INFO L262 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-10-11 00:29:13,379 INFO L262 CegarLoopResult]: For program point L393-1(lines 68 74) no Hoare annotation was computed. [2021-10-11 00:29:13,379 INFO L258 CegarLoopResult]: At program point L873(lines 868 876) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:29:13,379 INFO L262 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2021-10-11 00:29:13,380 INFO L258 CegarLoopResult]: At program point L262(lines 213 263) the Hoare annotation is: false [2021-10-11 00:29:13,380 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:29:13,380 INFO L262 CegarLoopResult]: For program point L280(lines 280 293) no Hoare annotation was computed. [2021-10-11 00:29:13,380 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:29:13,380 INFO L258 CegarLoopResult]: At program point L280-1(lines 1 876) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,380 INFO L262 CegarLoopResult]: For program point L280-2(lines 280 293) no Hoare annotation was computed. [2021-10-11 00:29:13,381 INFO L258 CegarLoopResult]: At program point L280-3(lines 1 876) the Hoare annotation is: false [2021-10-11 00:29:13,381 INFO L262 CegarLoopResult]: For program point L280-4(lines 280 293) no Hoare annotation was computed. [2021-10-11 00:29:13,381 INFO L258 CegarLoopResult]: At program point L280-5(lines 1 876) the Hoare annotation is: false [2021-10-11 00:29:13,381 INFO L262 CegarLoopResult]: For program point L215(lines 214 261) no Hoare annotation was computed. [2021-10-11 00:29:13,381 INFO L262 CegarLoopResult]: For program point L463(lines 463 470) no Hoare annotation was computed. [2021-10-11 00:29:13,381 INFO L265 CegarLoopResult]: At program point L463-1(lines 463 470) the Hoare annotation is: true [2021-10-11 00:29:13,382 INFO L262 CegarLoopResult]: For program point L216(lines 216 220) no Hoare annotation was computed. [2021-10-11 00:29:13,382 INFO L258 CegarLoopResult]: At program point L68(lines 67 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:29:13,382 INFO L262 CegarLoopResult]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2021-10-11 00:29:13,382 INFO L258 CegarLoopResult]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2021-10-11 00:29:13,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:29:13 BoogieIcfgContainer [2021-10-11 00:29:13,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:29:13,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:13,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:13,406 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:13,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:11" (3/4) ... [2021-10-11 00:29:13,409 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:29:13,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:29:13,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:29:13,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:29:13,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:29:13,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:29:13,423 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:13,423 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:29:13,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:29:13,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8e0def3-2060-48b7-8de4-79e5b28fe9f0/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:29:13,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:13,489 INFO L168 Benchmark]: Toolchain (without parser) took 3677.14 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 50.2 MB in the beginning and 104.4 MB in the end (delta: -54.2 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,489 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:13,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.24 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.9 MB in the beginning and 71.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.79 ms. Allocated memory is still 104.9 MB. Free memory was 71.5 MB in the beginning and 68.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,490 INFO L168 Benchmark]: Boogie Preprocessor took 49.92 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 67.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,491 INFO L168 Benchmark]: RCFGBuilder took 905.64 ms. Allocated memory is still 104.9 MB. Free memory was 66.7 MB in the beginning and 47.0 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,491 INFO L168 Benchmark]: TraceAbstraction took 1966.36 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 46.4 MB in the beginning and 58.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,492 INFO L168 Benchmark]: Witness Printer took 81.73 ms. Allocated memory is still 130.0 MB. Free memory was 58.9 MB in the beginning and 104.4 MB in the end (delta: -45.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:13,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 21.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.24 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.9 MB in the beginning and 71.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.79 ms. Allocated memory is still 104.9 MB. Free memory was 71.5 MB in the beginning and 68.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.92 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 67.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 905.64 ms. Allocated memory is still 104.9 MB. Free memory was 66.7 MB in the beginning and 47.0 MB in the end (delta: 19.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1966.36 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 46.4 MB in the beginning and 58.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 81.73 ms. Allocated memory is still 130.0 MB. Free memory was 58.9 MB in the beginning and 104.4 MB in the end (delta: -45.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 263 SDtfs, 333 SDslu, 374 SDs, 0 SdLazy, 97 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 114 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 3996 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4284 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...