./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.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_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/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_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/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_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/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 6bc56b3d4460bea28e0863848945154ca9602d93 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:25:13,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:25:13,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:25:13,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:25:13,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:25:13,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:25:13,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:25:13,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:25:13,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:25:13,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:25:13,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:25:13,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:25:13,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:25:14,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:25:14,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:25:14,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:25:14,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:25:14,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:25:14,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:25:14,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:25:14,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:25:14,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:25:14,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:25:14,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:25:14,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:25:14,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:25:14,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:25:14,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:25:14,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:25:14,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:25:14,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:25:14,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:25:14,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:25:14,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:25:14,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:25:14,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:25:14,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:25:14,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:25:14,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:25:14,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:25:14,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:25:14,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:25:14,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:25:14,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:25:14,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:25:14,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:25:14,066 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:25:14,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:25:14,067 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:25:14,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:25:14,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:25:14,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:25:14,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:25:14,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:25:14,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:25:14,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:25:14,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:25:14,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:25:14,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:25:14,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:25:14,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:25:14,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:25:14,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:25:14,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:25:14,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:25:14,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:25:14,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:25:14,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:25:14,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:25:14,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:25:14,072 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_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bc56b3d4460bea28e0863848945154ca9602d93 [2021-10-11 00:25:14,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:25:14,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:25:14,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:25:14,360 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:25:14,361 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:25:14,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2021-10-11 00:25:14,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/data/9f0594ccc/4c5c694c328846b69684e894e8d4f56b/FLAG87dfc14de [2021-10-11 00:25:15,069 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:25:15,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2021-10-11 00:25:15,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/data/9f0594ccc/4c5c694c328846b69684e894e8d4f56b/FLAG87dfc14de [2021-10-11 00:25:15,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/data/9f0594ccc/4c5c694c328846b69684e894e8d4f56b [2021-10-11 00:25:15,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:25:15,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:25:15,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:15,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:25:15,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:25:15,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:15" (1/1) ... [2021-10-11 00:25:15,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70fd80fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:15, skipping insertion in model container [2021-10-11 00:25:15,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:15" (1/1) ... [2021-10-11 00:25:15,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:25:15,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:25:15,629 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_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1281,1294] [2021-10-11 00:25:15,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:15,791 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:25:15,816 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_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1281,1294] [2021-10-11 00:25:15,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:16,007 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:25:16,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16 WrapperNode [2021-10-11 00:25:16,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:16,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:16,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:25:16,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:25:16,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:16,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:25:16,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:25:16,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:25:16,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... [2021-10-11 00:25:16,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:25:16,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:25:16,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:25:16,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:25:16,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/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 00:25:16,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:25:16,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:25:16,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:25:16,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:25:17,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:25:17,434 INFO L299 CfgBuilder]: Removed 106 assume(true) statements. [2021-10-11 00:25:17,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:17 BoogieIcfgContainer [2021-10-11 00:25:17,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:25:17,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:25:17,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:25:17,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:25:17,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:15" (1/3) ... [2021-10-11 00:25:17,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e0715f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:17, skipping insertion in model container [2021-10-11 00:25:17,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:16" (2/3) ... [2021-10-11 00:25:17,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e0715f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:17, skipping insertion in model container [2021-10-11 00:25:17,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:17" (3/3) ... [2021-10-11 00:25:17,447 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2021-10-11 00:25:17,464 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:25:17,467 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:25:17,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:25:17,524 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:25:17,524 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:25:17,524 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:25:17,524 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:25:17,524 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:25:17,524 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:25:17,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:25:17,525 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:25:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 00:25:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:25:17,546 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:17,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:17,547 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:17,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:17,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2021-10-11 00:25:17,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:17,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960955372] [2021-10-11 00:25:17,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:17,832 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 00:25:17,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960955372] [2021-10-11 00:25:17,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:17,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:17,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414285157] [2021-10-11 00:25:17,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:25:17,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:17,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:25:17,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:25:17,859 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 00:25:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:17,888 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 00:25:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:25:17,890 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:25:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:17,902 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:25:17,902 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 00:25:17,905 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 00:25:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 00:25:17,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 00:25:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 00:25:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 00:25:17,949 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2021-10-11 00:25:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:17,949 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 00:25:17,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:25:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 00:25:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:25:17,951 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:17,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:17,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:25:17,952 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:17,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:17,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2021-10-11 00:25:17,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:17,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079120271] [2021-10-11 00:25:17,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:18,112 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 00:25:18,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079120271] [2021-10-11 00:25:18,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:18,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:18,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807312005] [2021-10-11 00:25:18,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:18,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:18,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:18,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:18,117 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 00:25:18,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:18,140 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 00:25:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:18,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:25:18,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:18,141 INFO L225 Difference]: With dead ends: 73 [2021-10-11 00:25:18,141 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 00:25:18,144 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 00:25:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 00:25:18,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 00:25:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 00:25:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 00:25:18,153 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 00:25:18,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:18,154 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 00:25:18,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:18,154 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 00:25:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:25:18,157 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:18,157 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 00:25:18,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:25:18,158 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:18,160 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2021-10-11 00:25:18,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:18,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661954771] [2021-10-11 00:25:18,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:18,304 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 00:25:18,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661954771] [2021-10-11 00:25:18,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:18,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:25:18,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134118330] [2021-10-11 00:25:18,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:25:18,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:18,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:25:18,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:25:18,308 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2021-10-11 00:25:18,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:18,526 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2021-10-11 00:25:18,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:25:18,527 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2021-10-11 00:25:18,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:18,529 INFO L225 Difference]: With dead ends: 118 [2021-10-11 00:25:18,529 INFO L226 Difference]: Without dead ends: 89 [2021-10-11 00:25:18,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:25:18,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-11 00:25:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2021-10-11 00:25:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 00:25:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-11 00:25:18,541 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2021-10-11 00:25:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:18,542 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-11 00:25:18,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:25:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-11 00:25:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:25:18,543 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:18,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:18,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:25:18,544 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:18,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:18,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2021-10-11 00:25:18,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:18,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122019253] [2021-10-11 00:25:18,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:18,661 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 00:25:18,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122019253] [2021-10-11 00:25:18,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:18,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:25:18,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850105440] [2021-10-11 00:25:18,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:18,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:18,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:18,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:18,664 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2021-10-11 00:25:18,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:18,783 INFO L93 Difference]: Finished difference Result 292 states and 446 transitions. [2021-10-11 00:25:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:25:18,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:25:18,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:18,787 INFO L225 Difference]: With dead ends: 292 [2021-10-11 00:25:18,787 INFO L226 Difference]: Without dead ends: 242 [2021-10-11 00:25:18,788 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 00:25:18,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-11 00:25:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 100. [2021-10-11 00:25:18,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 00:25:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2021-10-11 00:25:18,837 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 25 [2021-10-11 00:25:18,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:18,837 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2021-10-11 00:25:18,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2021-10-11 00:25:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:25:18,839 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:18,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:18,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:25:18,844 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:18,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:18,845 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2021-10-11 00:25:18,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:18,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354424134] [2021-10-11 00:25:18,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:25:18,954 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:25:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:25:19,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:25:19,068 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:25:19,069 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:25:19,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:25:19,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:25:19 BoogieIcfgContainer [2021-10-11 00:25:19,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:25:19,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:25:19,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:25:19,201 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:25:19,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:17" (3/4) ... [2021-10-11 00:25:19,204 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:25:19,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8352e1-0f9e-4b9a-b7dd-7d09f03bdbc5/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:25:19,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:25:19,289 INFO L168 Benchmark]: Toolchain (without parser) took 3905.93 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 76.1 MB in the beginning and 111.4 MB in the end (delta: -35.4 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:19,289 INFO L168 Benchmark]: CDTParser took 1.03 ms. Allocated memory is still 83.9 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 34.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:25:19,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.82 ms. Allocated memory is still 107.0 MB. Free memory was 75.8 MB in the beginning and 73.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:19,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.34 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 71.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:19,290 INFO L168 Benchmark]: Boogie Preprocessor took 45.64 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:19,291 INFO L168 Benchmark]: RCFGBuilder took 1270.71 ms. Allocated memory is still 107.0 MB. Free memory was 68.9 MB in the beginning and 56.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:19,291 INFO L168 Benchmark]: TraceAbstraction took 1761.10 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 55.9 MB in the beginning and 66.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:19,292 INFO L168 Benchmark]: Witness Printer took 85.97 ms. Allocated memory is still 144.7 MB. Free memory was 65.7 MB in the beginning and 111.4 MB in the end (delta: -45.7 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:19,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03 ms. Allocated memory is still 83.9 MB. Free memory was 41.0 MB in the beginning and 40.9 MB in the end (delta: 34.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 623.82 ms. Allocated memory is still 107.0 MB. Free memory was 75.8 MB in the beginning and 73.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.34 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 71.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.64 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 68.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1270.71 ms. Allocated memory is still 107.0 MB. Free memory was 68.9 MB in the beginning and 56.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1761.10 ms. Allocated memory was 107.0 MB in the beginning and 144.7 MB in the end (delta: 37.7 MB). Free memory was 55.9 MB in the beginning and 66.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * Witness Printer took 85.97 ms. Allocated memory is still 144.7 MB. Free memory was 65.7 MB in the beginning and 111.4 MB in the end (delta: -45.7 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L89] int cleanupTimeShifts = 4; [L359] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L813] int waterLevel = 1; [L814] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] int retValue_acc ; [L168] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] tmp = valid_product() [L176] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L747] int splverifierCounter ; [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; [L751] int tmp___2 ; [L754] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L758] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L764] tmp = __VERIFIER_nondet_int() [L766] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L831] COND TRUE waterLevel < 2 [L832] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L774] tmp___0 = __VERIFIER_nondet_int() [L776] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L784] tmp___2 = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND TRUE \read(systemActive) [L634] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L852] int retValue_acc ; [L855] retValue_acc = methaneLevelCritical [L856] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L884] int retValue_acc ; [L887] retValue_acc = waterLevel [L888] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] tmp___0 = getWaterLevel() [L574] COND TRUE tmp___0 == 2 [L686] int retValue_acc ; [L689] retValue_acc = pumpRunning [L690] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L576] tmp___1 = isPumpRunning() [L578] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 404 SDslu, 451 SDs, 0 SdLazy, 55 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 4 MinimizatonAttempts, 175 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 incorrect! Received shutdown request...