./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.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_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/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_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/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_52347e05-260d-4845-88df-8d45d9e1008d/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 f97ed213173bc84e00af4e856bb920ccfd15e1d4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:45,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:45,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:45,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:45,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:45,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:45,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:45,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:45,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:45,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:45,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:45,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:45,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:45,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:45,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:45,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:45,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:45,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:45,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:45,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:45,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:45,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:45,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:45,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:45,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:45,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:45,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:45,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:45,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:45,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:45,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:45,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:45,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:45,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:45,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:45,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:45,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:45,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:45,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:45,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:45,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:45,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:45,451 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:45,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:45,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:45,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:45,454 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:45,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:45,455 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:45,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:45,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:45,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:45,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:45,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:45,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:45,457 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:45,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:45,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:45,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:45,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:45,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:45,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:45,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:45,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:45,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:45,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:45,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:45,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:45,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:45,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:45,461 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_52347e05-260d-4845-88df-8d45d9e1008d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97ed213173bc84e00af4e856bb920ccfd15e1d4 [2021-10-11 00:31:45,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:45,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:45,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:45,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:45,767 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:45,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-10-11 00:31:45,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/data/a8f493671/c8722b2c05214fcca53f9db15f4305ec/FLAG78f267beb [2021-10-11 00:31:46,438 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:46,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-10-11 00:31:46,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/data/a8f493671/c8722b2c05214fcca53f9db15f4305ec/FLAG78f267beb [2021-10-11 00:31:46,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/data/a8f493671/c8722b2c05214fcca53f9db15f4305ec [2021-10-11 00:31:46,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:46,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:46,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:46,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:46,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:46,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:46" (1/1) ... [2021-10-11 00:31:46,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9691b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:46, skipping insertion in model container [2021-10-11 00:31:46,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:46" (1/1) ... [2021-10-11 00:31:46,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:46,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:47,100 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_52347e05-260d-4845-88df-8d45d9e1008d/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14037,14050] [2021-10-11 00:31:47,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:47,149 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:47,210 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_52347e05-260d-4845-88df-8d45d9e1008d/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c[14037,14050] [2021-10-11 00:31:47,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:47,254 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:47,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47 WrapperNode [2021-10-11 00:31:47,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:47,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:47,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:47,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:47,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:47,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:47,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:47,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:47,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... [2021-10-11 00:31:47,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:47,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:47,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:47,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:47,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:48,339 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:48,339 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 00:31:48,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:48 BoogieIcfgContainer [2021-10-11 00:31:48,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:48,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:48,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:48,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:48,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:46" (1/3) ... [2021-10-11 00:31:48,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190c2067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:48, skipping insertion in model container [2021-10-11 00:31:48,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:47" (2/3) ... [2021-10-11 00:31:48,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190c2067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:48, skipping insertion in model container [2021-10-11 00:31:48,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:48" (3/3) ... [2021-10-11 00:31:48,350 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2021-10-11 00:31:48,364 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:48,367 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:31:48,378 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:31:48,403 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:48,403 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:48,403 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:48,403 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:48,403 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:48,404 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:48,404 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:48,404 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 00:31:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:31:48,425 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:48,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:48,426 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:48,432 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-10-11 00:31:48,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:48,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154797638] [2021-10-11 00:31:48,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:48,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154797638] [2021-10-11 00:31:48,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:48,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:48,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478630404] [2021-10-11 00:31:48,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:31:48,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:48,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:31:48,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:48,693 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 00:31:48,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:48,718 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 00:31:48,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:31:48,720 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:31:48,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:48,730 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:31:48,730 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 00:31:48,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:48,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 00:31:48,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 00:31:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 00:31:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 00:31:48,773 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-11 00:31:48,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:48,774 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 00:31:48,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:31:48,774 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 00:31:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:31:48,775 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:48,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:48,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:48,776 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:48,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:48,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-10-11 00:31:48,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:48,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738928413] [2021-10-11 00:31:48,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:48,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738928413] [2021-10-11 00:31:48,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:48,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:48,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869124733] [2021-10-11 00:31:48,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:48,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:48,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:48,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:48,904 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 00:31:48,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:48,913 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 00:31:48,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:48,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:31:48,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:48,915 INFO L225 Difference]: With dead ends: 73 [2021-10-11 00:31:48,915 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 00:31:48,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:48,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 00:31:48,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 00:31:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 00:31:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 00:31:48,922 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-11 00:31:48,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:48,923 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 00:31:48,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 00:31:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:31:48,924 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:48,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:48,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:48,925 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:48,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:48,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-10-11 00:31:48,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:48,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803624531] [2021-10-11 00:31:48,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:49,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803624531] [2021-10-11 00:31:49,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:49,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:49,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448467082] [2021-10-11 00:31:49,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:49,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:49,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:49,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:49,023 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2021-10-11 00:31:49,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:49,086 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2021-10-11 00:31:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:49,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:31:49,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:49,088 INFO L225 Difference]: With dead ends: 87 [2021-10-11 00:31:49,089 INFO L226 Difference]: Without dead ends: 58 [2021-10-11 00:31:49,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-10-11 00:31:49,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2021-10-11 00:31:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-10-11 00:31:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-11 00:31:49,099 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-11 00:31:49,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:49,099 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-11 00:31:49,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-11 00:31:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:31:49,100 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:49,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:49,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:49,101 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:49,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:49,102 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-10-11 00:31:49,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:49,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574192686] [2021-10-11 00:31:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:49,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574192686] [2021-10-11 00:31:49,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:49,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:49,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581677490] [2021-10-11 00:31:49,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:49,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:49,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:49,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:49,226 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2021-10-11 00:31:49,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:49,364 INFO L93 Difference]: Finished difference Result 199 states and 302 transitions. [2021-10-11 00:31:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:49,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:31:49,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:49,371 INFO L225 Difference]: With dead ends: 199 [2021-10-11 00:31:49,371 INFO L226 Difference]: Without dead ends: 151 [2021-10-11 00:31:49,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:49,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-10-11 00:31:49,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 96. [2021-10-11 00:31:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2021-10-11 00:31:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2021-10-11 00:31:49,402 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 23 [2021-10-11 00:31:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:49,403 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2021-10-11 00:31:49,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2021-10-11 00:31:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:31:49,405 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:49,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:49,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:49,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:49,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:49,407 INFO L82 PathProgramCache]: Analyzing trace with hash 255216756, now seen corresponding path program 1 times [2021-10-11 00:31:49,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:49,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129746029] [2021-10-11 00:31:49,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:49,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129746029] [2021-10-11 00:31:49,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:49,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:49,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121750176] [2021-10-11 00:31:49,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:49,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:49,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:49,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:49,537 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand 5 states. [2021-10-11 00:31:49,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:49,611 INFO L93 Difference]: Finished difference Result 236 states and 349 transitions. [2021-10-11 00:31:49,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:49,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:31:49,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:49,612 INFO L225 Difference]: With dead ends: 236 [2021-10-11 00:31:49,613 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:49,617 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 00:31:49,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:49,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:49,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:31:49,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:49,618 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:49,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:49,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:49,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:31:49,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:31:49,914 INFO L258 CegarLoopResult]: At program point L828(lines 813 831) the Hoare annotation is: false [2021-10-11 00:31:49,914 INFO L258 CegarLoopResult]: At program point L828-1(lines 813 831) the Hoare annotation is: false [2021-10-11 00:31:49,914 INFO L258 CegarLoopResult]: At program point L828-2(lines 813 831) the Hoare annotation is: false [2021-10-11 00:31:49,914 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-10-11 00:31:49,914 INFO L262 CegarLoopResult]: For program point L663(lines 663 669) no Hoare annotation was computed. [2021-10-11 00:31:49,914 INFO L262 CegarLoopResult]: For program point L663-2(lines 663 669) no Hoare annotation was computed. [2021-10-11 00:31:49,915 INFO L262 CegarLoopResult]: For program point L663-4(lines 663 669) no Hoare annotation was computed. [2021-10-11 00:31:49,915 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:31:49,915 INFO L262 CegarLoopResult]: For program point L896(lines 896 911) no Hoare annotation was computed. [2021-10-11 00:31:49,915 INFO L265 CegarLoopResult]: At program point L270(lines 251 273) the Hoare annotation is: true [2021-10-11 00:31:49,915 INFO L258 CegarLoopResult]: At program point L237(lines 233 239) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,915 INFO L258 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: false [2021-10-11 00:31:49,916 INFO L258 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2021-10-11 00:31:49,916 INFO L262 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-11 00:31:49,916 INFO L258 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2021-10-11 00:31:49,916 INFO L258 CegarLoopResult]: At program point L188-2(lines 188 202) the Hoare annotation is: false [2021-10-11 00:31:49,916 INFO L262 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2021-10-11 00:31:49,916 INFO L258 CegarLoopResult]: At program point L916(lines 865 917) the Hoare annotation is: false [2021-10-11 00:31:49,916 INFO L262 CegarLoopResult]: For program point L867(lines 866 915) no Hoare annotation was computed. [2021-10-11 00:31:49,917 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:31:49,917 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,917 INFO L262 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2021-10-11 00:31:49,917 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-10-11 00:31:49,917 INFO L262 CegarLoopResult]: For program point L720(lines 720 737) no Hoare annotation was computed. [2021-10-11 00:31:49,917 INFO L262 CegarLoopResult]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2021-10-11 00:31:49,918 INFO L262 CegarLoopResult]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2021-10-11 00:31:49,918 INFO L262 CegarLoopResult]: For program point L836(lines 836 842) no Hoare annotation was computed. [2021-10-11 00:31:49,918 INFO L258 CegarLoopResult]: At program point L836-1(lines 836 842) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,918 INFO L262 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2021-10-11 00:31:49,919 INFO L262 CegarLoopResult]: For program point L192-1(lines 688 694) no Hoare annotation was computed. [2021-10-11 00:31:49,919 INFO L262 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2021-10-11 00:31:49,923 INFO L262 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2021-10-11 00:31:49,923 INFO L262 CegarLoopResult]: For program point L93-6(lines 93 97) no Hoare annotation was computed. [2021-10-11 00:31:49,924 INFO L262 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2021-10-11 00:31:49,925 INFO L258 CegarLoopResult]: At program point L886-1(lines 886 892) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,925 INFO L258 CegarLoopResult]: At program point L688(lines 687 706) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,925 INFO L262 CegarLoopResult]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2021-10-11 00:31:49,926 INFO L258 CegarLoopResult]: At program point L688-2(lines 687 706) the Hoare annotation is: false [2021-10-11 00:31:49,926 INFO L258 CegarLoopResult]: At program point L688-3(lines 687 706) the Hoare annotation is: false [2021-10-11 00:31:49,926 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:31:49,927 INFO L262 CegarLoopResult]: For program point L904(lines 904 910) no Hoare annotation was computed. [2021-10-11 00:31:49,927 INFO L258 CegarLoopResult]: At program point L904-1(lines 688 694) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,927 INFO L262 CegarLoopResult]: For program point L822(lines 822 826) no Hoare annotation was computed. [2021-10-11 00:31:49,932 INFO L262 CegarLoopResult]: For program point L822-2(lines 822 826) no Hoare annotation was computed. [2021-10-11 00:31:49,932 INFO L262 CegarLoopResult]: For program point L822-3(lines 822 826) no Hoare annotation was computed. [2021-10-11 00:31:49,933 INFO L262 CegarLoopResult]: For program point L822-5(lines 822 826) no Hoare annotation was computed. [2021-10-11 00:31:49,933 INFO L262 CegarLoopResult]: For program point L822-6(lines 822 826) no Hoare annotation was computed. [2021-10-11 00:31:49,933 INFO L262 CegarLoopResult]: For program point L822-8(lines 822 826) no Hoare annotation was computed. [2021-10-11 00:31:49,933 INFO L262 CegarLoopResult]: For program point L261(lines 261 268) no Hoare annotation was computed. [2021-10-11 00:31:49,933 INFO L258 CegarLoopResult]: At program point L773(lines 768 776) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,933 INFO L258 CegarLoopResult]: At program point L773-1(lines 768 776) the Hoare annotation is: false [2021-10-11 00:31:49,934 INFO L265 CegarLoopResult]: At program point L261-1(lines 261 268) the Hoare annotation is: true [2021-10-11 00:31:49,934 INFO L258 CegarLoopResult]: At program point L773-2(lines 768 776) the Hoare annotation is: false [2021-10-11 00:31:49,934 INFO L258 CegarLoopResult]: At program point L162(lines 157 165) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,934 INFO L258 CegarLoopResult]: At program point L162-1(lines 157 165) the Hoare annotation is: false [2021-10-11 00:31:49,934 INFO L258 CegarLoopResult]: At program point L162-2(lines 157 165) the Hoare annotation is: false [2021-10-11 00:31:49,934 INFO L262 CegarLoopResult]: For program point L724(lines 724 732) no Hoare annotation was computed. [2021-10-11 00:31:49,935 INFO L262 CegarLoopResult]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2021-10-11 00:31:49,935 INFO L262 CegarLoopResult]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2021-10-11 00:31:49,935 INFO L262 CegarLoopResult]: For program point L659(lines 659 672) no Hoare annotation was computed. [2021-10-11 00:31:49,935 INFO L258 CegarLoopResult]: At program point L659-1(lines 1 923) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,935 INFO L262 CegarLoopResult]: For program point L659-2(lines 659 672) no Hoare annotation was computed. [2021-10-11 00:31:49,935 INFO L258 CegarLoopResult]: At program point L659-3(lines 1 923) the Hoare annotation is: false [2021-10-11 00:31:49,935 INFO L262 CegarLoopResult]: For program point L659-4(lines 659 672) no Hoare annotation was computed. [2021-10-11 00:31:49,936 INFO L258 CegarLoopResult]: At program point L659-5(lines 1 923) the Hoare annotation is: false [2021-10-11 00:31:49,936 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:31:49,936 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 645) no Hoare annotation was computed. [2021-10-11 00:31:49,936 INFO L262 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2021-10-11 00:31:49,936 INFO L258 CegarLoopResult]: At program point L876-1(lines 876 882) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,936 INFO L262 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2021-10-11 00:31:49,936 INFO L262 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2021-10-11 00:31:49,937 INFO L258 CegarLoopResult]: At program point L67(lines 1 923) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-10-11 00:31:49,937 INFO L262 CegarLoopResult]: For program point L645-2(line 645) no Hoare annotation was computed. [2021-10-11 00:31:49,937 INFO L258 CegarLoopResult]: At program point L695(lines 695 701) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:49,937 INFO L258 CegarLoopResult]: At program point L695-1(lines 695 701) the Hoare annotation is: false [2021-10-11 00:31:49,937 INFO L262 CegarLoopResult]: For program point L117(lines 117 121) no Hoare annotation was computed. [2021-10-11 00:31:49,937 INFO L258 CegarLoopResult]: At program point L695-2(lines 695 701) the Hoare annotation is: false [2021-10-11 00:31:49,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:49 BoogieIcfgContainer [2021-10-11 00:31:49,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:49,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:49,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:49,978 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:49,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:48" (3/4) ... [2021-10-11 00:31:49,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:50,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:31:50,005 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:31:50,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:31:50,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:31:50,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:31:50,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:50,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:50,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:31:50,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:31:50,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:31:50,122 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52347e05-260d-4845-88df-8d45d9e1008d/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:50,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:50,123 INFO L168 Benchmark]: Toolchain (without parser) took 3384.08 ms. Allocated memory was 90.2 MB in the beginning and 146.8 MB in the end (delta: 56.6 MB). Free memory was 52.7 MB in the beginning and 100.2 MB in the end (delta: -47.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,124 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 90.2 MB. Free memory is still 70.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:50,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.04 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 52.6 MB in the beginning and 77.3 MB in the end (delta: -24.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.89 ms. Allocated memory is still 111.1 MB. Free memory was 77.3 MB in the beginning and 74.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,125 INFO L168 Benchmark]: Boogie Preprocessor took 90.57 ms. Allocated memory is still 111.1 MB. Free memory was 74.3 MB in the beginning and 71.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,126 INFO L168 Benchmark]: RCFGBuilder took 906.08 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 60.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,126 INFO L168 Benchmark]: TraceAbstraction took 1634.03 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 60.0 MB in the beginning and 106.5 MB in the end (delta: -46.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,126 INFO L168 Benchmark]: Witness Printer took 144.67 ms. Allocated memory is still 146.8 MB. Free memory was 106.5 MB in the beginning and 100.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:50,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 90.2 MB. Free memory is still 70.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 513.04 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 52.6 MB in the beginning and 77.3 MB in the end (delta: -24.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.89 ms. Allocated memory is still 111.1 MB. Free memory was 77.3 MB in the beginning and 74.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.57 ms. Allocated memory is still 111.1 MB. Free memory was 74.3 MB in the beginning and 71.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 906.08 ms. Allocated memory is still 111.1 MB. Free memory was 71.9 MB in the beginning and 60.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1634.03 ms. Allocated memory was 111.1 MB in the beginning and 146.8 MB in the end (delta: 35.7 MB). Free memory was 60.0 MB in the beginning and 106.5 MB in the end (delta: -46.5 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Witness Printer took 144.67 ms. Allocated memory is still 146.8 MB. Free memory was 106.5 MB in the beginning and 100.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 645]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 645]: 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: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 478 SDslu, 266 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred 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, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1972 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...