./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer --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 a22bfa4730ddab21776840b89a04f286cc468614 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:21:37,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:21:37,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:21:37,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:21:37,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:21:37,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:21:37,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:21:37,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:21:37,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:21:37,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:21:37,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:21:37,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:21:37,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:21:37,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:21:37,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:21:37,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:21:37,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:21:37,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:21:37,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:21:37,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:21:37,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:21:37,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:21:37,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:21:37,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:21:37,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:21:37,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:21:37,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:21:37,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:21:37,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:21:37,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:21:37,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:21:37,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:21:37,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:21:37,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:21:37,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:21:37,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:21:37,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:21:37,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:21:37,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:21:37,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:21:37,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:21:37,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:21:37,508 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:21:37,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:21:37,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:21:37,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:21:37,510 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:21:37,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:21:37,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:21:37,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:21:37,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:21:37,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:21:37,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:21:37,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:21:37,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:21:37,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:21:37,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:21:37,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:21:37,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:21:37,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:21:37,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:21:37,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:21:37,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:21:37,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:21:37,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:21:37,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:21:37,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:21:37,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:21:37,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:21:37,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:21:37,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:21:37,519 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-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22bfa4730ddab21776840b89a04f286cc468614 [2020-11-29 20:21:37,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:21:37,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:21:37,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:21:37,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:21:37,932 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:21:37,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-11-29 20:21:38,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/data/dab2f1fce/324e3c6263fe478e9fa4d3d4f216c4c5/FLAGebd826ed8 [2020-11-29 20:21:38,708 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:21:38,709 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-11-29 20:21:38,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/data/dab2f1fce/324e3c6263fe478e9fa4d3d4f216c4c5/FLAGebd826ed8 [2020-11-29 20:21:39,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/data/dab2f1fce/324e3c6263fe478e9fa4d3d4f216c4c5 [2020-11-29 20:21:39,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:21:39,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:21:39,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:21:39,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:21:39,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:21:39,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f65b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39, skipping insertion in model container [2020-11-29 20:21:39,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:21:39,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:21:39,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:21:39,531 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:21:39,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:21:39,710 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:21:39,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39 WrapperNode [2020-11-29 20:21:39,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:21:39,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:21:39,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:21:39,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:21:39,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:21:39,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:21:39,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:21:39,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:21:39,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... [2020-11-29 20:21:39,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:21:39,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:21:39,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:21:39,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:21:39,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/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 [2020-11-29 20:21:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:21:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:21:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:21:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:21:41,202 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:21:41,202 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-11-29 20:21:41,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:21:41 BoogieIcfgContainer [2020-11-29 20:21:41,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:21:41,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:21:41,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:21:41,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:21:41,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:21:39" (1/3) ... [2020-11-29 20:21:41,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235a02c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:21:41, skipping insertion in model container [2020-11-29 20:21:41,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:21:39" (2/3) ... [2020-11-29 20:21:41,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235a02c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:21:41, skipping insertion in model container [2020-11-29 20:21:41,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:21:41" (3/3) ... [2020-11-29 20:21:41,216 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-11-29 20:21:41,231 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:21:41,237 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 20:21:41,252 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 20:21:41,286 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:21:41,286 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:21:41,286 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:21:41,287 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:21:41,287 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:21:41,287 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:21:41,288 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:21:41,288 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:21:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-29 20:21:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:21:41,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:21:41,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:21:41,320 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:21:41,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:21:41,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1624271172, now seen corresponding path program 1 times [2020-11-29 20:21:41,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:21:41,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701382178] [2020-11-29 20:21:41,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:21:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:21:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:21:41,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701382178] [2020-11-29 20:21:41,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:21:41,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:21:41,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783667582] [2020-11-29 20:21:41,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:21:41,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:21:41,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:21:41,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:21:41,853 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-29 20:21:41,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:21:41,942 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-11-29 20:21:41,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:21:41,943 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 20:21:41,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:21:41,963 INFO L225 Difference]: With dead ends: 146 [2020-11-29 20:21:41,964 INFO L226 Difference]: Without dead ends: 71 [2020-11-29 20:21:41,978 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 [2020-11-29 20:21:42,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-29 20:21:42,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-29 20:21:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 20:21:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-11-29 20:21:42,053 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-11-29 20:21:42,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:21:42,054 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-11-29 20:21:42,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:21:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-11-29 20:21:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:21:42,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:21:42,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:21:42,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:21:42,059 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:21:42,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:21:42,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1405435203, now seen corresponding path program 1 times [2020-11-29 20:21:42,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:21:42,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956812807] [2020-11-29 20:21:42,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:21:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:21:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:21:42,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956812807] [2020-11-29 20:21:42,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:21:42,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:21:42,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337070501] [2020-11-29 20:21:42,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:21:42,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:21:42,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:21:42,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:21:42,288 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-11-29 20:21:42,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:21:42,314 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-11-29 20:21:42,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:21:42,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 20:21:42,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:21:42,318 INFO L225 Difference]: With dead ends: 71 [2020-11-29 20:21:42,319 INFO L226 Difference]: Without dead ends: 35 [2020-11-29 20:21:42,320 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 [2020-11-29 20:21:42,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-29 20:21:42,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-29 20:21:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-29 20:21:42,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-29 20:21:42,331 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-29 20:21:42,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:21:42,332 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-29 20:21:42,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:21:42,333 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-29 20:21:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 20:21:42,336 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:21:42,337 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] [2020-11-29 20:21:42,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:21:42,338 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:21:42,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:21:42,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2020-11-29 20:21:42,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:21:42,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866608481] [2020-11-29 20:21:42,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:21:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:21:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:21:42,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866608481] [2020-11-29 20:21:42,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:21:42,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:21:42,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368682888] [2020-11-29 20:21:42,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:21:42,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:21:42,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:21:42,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:21:42,500 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-11-29 20:21:42,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:21:42,570 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-11-29 20:21:42,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:21:42,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 20:21:42,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:21:42,574 INFO L225 Difference]: With dead ends: 91 [2020-11-29 20:21:42,577 INFO L226 Difference]: Without dead ends: 63 [2020-11-29 20:21:42,578 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 [2020-11-29 20:21:42,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-11-29 20:21:42,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2020-11-29 20:21:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-29 20:21:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2020-11-29 20:21:42,597 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2020-11-29 20:21:42,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:21:42,598 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2020-11-29 20:21:42,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:21:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-11-29 20:21:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 20:21:42,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:21:42,600 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] [2020-11-29 20:21:42,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:21:42,600 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:21:42,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:21:42,601 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2020-11-29 20:21:42,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:21:42,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924747864] [2020-11-29 20:21:42,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:21:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:21:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:21:42,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924747864] [2020-11-29 20:21:42,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:21:42,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:21:42,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417740267] [2020-11-29 20:21:42,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:21:42,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:21:42,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:21:42,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:21:42,694 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2020-11-29 20:21:42,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:21:42,917 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2020-11-29 20:21:42,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 20:21:42,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-29 20:21:42,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:21:42,922 INFO L225 Difference]: With dead ends: 265 [2020-11-29 20:21:42,922 INFO L226 Difference]: Without dead ends: 213 [2020-11-29 20:21:42,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 20:21:42,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-11-29 20:21:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2020-11-29 20:21:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-29 20:21:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2020-11-29 20:21:42,950 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2020-11-29 20:21:42,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:21:42,951 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2020-11-29 20:21:42,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:21:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2020-11-29 20:21:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 20:21:42,953 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:21:42,953 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] [2020-11-29 20:21:42,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:21:42,953 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:21:42,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:21:42,954 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2020-11-29 20:21:42,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:21:42,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699453127] [2020-11-29 20:21:42,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:21:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:21:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:21:43,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699453127] [2020-11-29 20:21:43,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:21:43,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:21:43,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452170637] [2020-11-29 20:21:43,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:21:43,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:21:43,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:21:43,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:21:43,093 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2020-11-29 20:21:43,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:21:43,200 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2020-11-29 20:21:43,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:21:43,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-29 20:21:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:21:43,204 INFO L225 Difference]: With dead ends: 299 [2020-11-29 20:21:43,205 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:21:43,207 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 [2020-11-29 20:21:43,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:21:43,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:21:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:21:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:21:43,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-29 20:21:43,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:21:43,208 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:21:43,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:21:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:21:43,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:21:43,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:21:43,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:21:43,556 INFO L270 CegarLoopResult]: At program point L762(lines 761 780) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,556 INFO L274 CegarLoopResult]: For program point L762-1(lines 762 768) no Hoare annotation was computed. [2020-11-29 20:21:43,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:21:43,557 INFO L274 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-11-29 20:21:43,557 INFO L270 CegarLoopResult]: At program point L762-2(lines 761 780) the Hoare annotation is: false [2020-11-29 20:21:43,557 INFO L270 CegarLoopResult]: At program point L762-3(lines 761 780) the Hoare annotation is: false [2020-11-29 20:21:43,557 INFO L274 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-11-29 20:21:43,557 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 20:21:43,557 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 20:21:43,557 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 20:21:43,558 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:21:43,558 INFO L274 CegarLoopResult]: For program point L664(lines 664 674) no Hoare annotation was computed. [2020-11-29 20:21:43,558 INFO L274 CegarLoopResult]: For program point L664-2(lines 664 674) no Hoare annotation was computed. [2020-11-29 20:21:43,558 INFO L274 CegarLoopResult]: For program point L664-4(lines 664 674) no Hoare annotation was computed. [2020-11-29 20:21:43,559 INFO L274 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-11-29 20:21:43,559 INFO L270 CegarLoopResult]: At program point L714-1(lines 714 720) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,559 INFO L274 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-11-29 20:21:43,559 INFO L274 CegarLoopResult]: For program point L665-2(lines 665 671) no Hoare annotation was computed. [2020-11-29 20:21:43,559 INFO L274 CegarLoopResult]: For program point L665-4(lines 665 671) no Hoare annotation was computed. [2020-11-29 20:21:43,560 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-29 20:21:43,561 INFO L270 CegarLoopResult]: At program point L847(lines 842 850) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,561 INFO L270 CegarLoopResult]: At program point L847-1(lines 842 850) the Hoare annotation is: false [2020-11-29 20:21:43,561 INFO L270 CegarLoopResult]: At program point L847-2(lines 842 850) the Hoare annotation is: false [2020-11-29 20:21:43,563 INFO L270 CegarLoopResult]: At program point L649(lines 644 651) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 20:21:43,563 INFO L274 CegarLoopResult]: For program point L798(lines 798 806) no Hoare annotation was computed. [2020-11-29 20:21:43,563 INFO L274 CegarLoopResult]: For program point L798-1(lines 798 806) no Hoare annotation was computed. [2020-11-29 20:21:43,563 INFO L274 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-11-29 20:21:43,563 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 806) no Hoare annotation was computed. [2020-11-29 20:21:43,564 INFO L270 CegarLoopResult]: At program point L732-1(lines 762 768) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,564 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 20:21:43,564 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 20:21:43,564 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 20:21:43,564 INFO L274 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-11-29 20:21:43,564 INFO L274 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-11-29 20:21:43,564 INFO L274 CegarLoopResult]: For program point L602-2(line 602) no Hoare annotation was computed. [2020-11-29 20:21:43,565 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:21:43,565 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-29 20:21:43,565 INFO L274 CegarLoopResult]: For program point L58-1(lines 762 768) no Hoare annotation was computed. [2020-11-29 20:21:43,565 INFO L270 CegarLoopResult]: At program point L769(lines 769 775) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,565 INFO L270 CegarLoopResult]: At program point L769-1(lines 769 775) the Hoare annotation is: false [2020-11-29 20:21:43,565 INFO L270 CegarLoopResult]: At program point L769-2(lines 769 775) the Hoare annotation is: false [2020-11-29 20:21:43,566 INFO L270 CegarLoopResult]: At program point L637(lines 632 640) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 20:21:43,566 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:21:43,566 INFO L274 CegarLoopResult]: For program point L704(lines 704 710) no Hoare annotation was computed. [2020-11-29 20:21:43,566 INFO L270 CegarLoopResult]: At program point L704-1(lines 704 710) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,566 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-29 20:21:43,566 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:21:43,567 INFO L274 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-11-29 20:21:43,567 INFO L274 CegarLoopResult]: For program point L524-3(lines 524 528) no Hoare annotation was computed. [2020-11-29 20:21:43,567 INFO L270 CegarLoopResult]: At program point L838(lines 831 841) the Hoare annotation is: false [2020-11-29 20:21:43,567 INFO L274 CegarLoopResult]: For program point L524-6(lines 524 528) no Hoare annotation was computed. [2020-11-29 20:21:43,567 INFO L270 CegarLoopResult]: At program point L838-1(lines 831 841) the Hoare annotation is: false [2020-11-29 20:21:43,567 INFO L270 CegarLoopResult]: At program point L838-2(lines 831 841) the Hoare annotation is: false [2020-11-29 20:21:43,567 INFO L274 CegarLoopResult]: For program point L724(lines 724 739) no Hoare annotation was computed. [2020-11-29 20:21:43,567 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:21:43,568 INFO L274 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-11-29 20:21:43,568 INFO L270 CegarLoopResult]: At program point L891-1(lines 891 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,568 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:21:43,568 INFO L274 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-11-29 20:21:43,568 INFO L270 CegarLoopResult]: At program point L660-1(lines 1 909) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,568 INFO L274 CegarLoopResult]: For program point L660-2(lines 660 677) no Hoare annotation was computed. [2020-11-29 20:21:43,569 INFO L270 CegarLoopResult]: At program point L561(lines 556 564) the Hoare annotation is: false [2020-11-29 20:21:43,569 INFO L270 CegarLoopResult]: At program point L660-3(lines 1 909) the Hoare annotation is: false [2020-11-29 20:21:43,569 INFO L270 CegarLoopResult]: At program point L561-1(lines 556 564) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:21:43,569 INFO L274 CegarLoopResult]: For program point L660-4(lines 660 677) no Hoare annotation was computed. [2020-11-29 20:21:43,569 INFO L270 CegarLoopResult]: At program point L561-2(lines 556 564) the Hoare annotation is: false [2020-11-29 20:21:43,569 INFO L270 CegarLoopResult]: At program point L660-5(lines 1 909) the Hoare annotation is: false [2020-11-29 20:21:43,569 INFO L270 CegarLoopResult]: At program point L561-3(lines 556 564) the Hoare annotation is: false [2020-11-29 20:21:43,570 INFO L270 CegarLoopResult]: At program point L561-4(lines 556 564) the Hoare annotation is: false [2020-11-29 20:21:43,570 INFO L270 CegarLoopResult]: At program point L561-5(lines 556 564) the Hoare annotation is: false [2020-11-29 20:21:43,570 INFO L270 CegarLoopResult]: At program point L744(lines 693 745) the Hoare annotation is: false [2020-11-29 20:21:43,570 INFO L274 CegarLoopResult]: For program point L794(lines 794 811) no Hoare annotation was computed. [2020-11-29 20:21:43,570 INFO L274 CegarLoopResult]: For program point L794-1(lines 794 811) no Hoare annotation was computed. [2020-11-29 20:21:43,570 INFO L274 CegarLoopResult]: For program point L794-2(lines 794 811) no Hoare annotation was computed. [2020-11-29 20:21:43,570 INFO L274 CegarLoopResult]: For program point L695(lines 694 743) no Hoare annotation was computed. [2020-11-29 20:21:43,571 INFO L270 CegarLoopResult]: At program point L629(lines 1 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 20:21:43,571 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-29 20:21:43,571 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-29 20:21:43,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:21:43 BoogieIcfgContainer [2020-11-29 20:21:43,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:21:43,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:21:43,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:21:43,615 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:21:43,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:21:41" (3/4) ... [2020-11-29 20:21:43,619 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:21:43,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 20:21:43,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 20:21:43,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 20:21:43,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 20:21:43,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 20:21:43,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:21:43,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:21:43,694 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 20:21:43,778 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b02f8704-1d60-4aa4-8825-9b5739ba6259/bin/uautomizer/witness.graphml [2020-11-29 20:21:43,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:21:43,783 INFO L168 Benchmark]: Toolchain (without parser) took 4773.37 ms. Allocated memory was 117.4 MB in the beginning and 157.3 MB in the end (delta: 39.8 MB). Free memory was 91.2 MB in the beginning and 100.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:43,784 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory was 76.9 MB in the beginning and 76.9 MB in the end (delta: 49.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:21:43,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.81 ms. Allocated memory was 117.4 MB in the beginning and 157.3 MB in the end (delta: 39.8 MB). Free memory was 90.9 MB in the beginning and 123.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:43,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.16 ms. Allocated memory is still 157.3 MB. Free memory was 123.8 MB in the beginning and 120.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:43,786 INFO L168 Benchmark]: Boogie Preprocessor took 74.74 ms. Allocated memory is still 157.3 MB. Free memory was 120.7 MB in the beginning and 118.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:43,787 INFO L168 Benchmark]: RCFGBuilder took 1331.05 ms. Allocated memory is still 157.3 MB. Free memory was 118.6 MB in the beginning and 66.1 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:43,787 INFO L168 Benchmark]: TraceAbstraction took 2406.90 ms. Allocated memory is still 157.3 MB. Free memory was 65.6 MB in the beginning and 107.8 MB in the end (delta: -42.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:43,788 INFO L168 Benchmark]: Witness Printer took 166.29 ms. Allocated memory is still 157.3 MB. Free memory was 107.8 MB in the beginning and 101.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:21:43,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory was 76.9 MB in the beginning and 76.9 MB in the end (delta: 49.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 700.81 ms. Allocated memory was 117.4 MB in the beginning and 157.3 MB in the end (delta: 39.8 MB). Free memory was 90.9 MB in the beginning and 123.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.16 ms. Allocated memory is still 157.3 MB. Free memory was 123.8 MB in the beginning and 120.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.74 ms. Allocated memory is still 157.3 MB. Free memory was 120.7 MB in the beginning and 118.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1331.05 ms. Allocated memory is still 157.3 MB. Free memory was 118.6 MB in the beginning and 66.1 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2406.90 ms. Allocated memory is still 157.3 MB. Free memory was 65.6 MB in the beginning and 107.8 MB in the end (delta: -42.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * Witness Printer took 166.29 ms. Allocated memory is still 157.3 MB. Free memory was 107.8 MB in the beginning and 101.5 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 306 SDslu, 327 SDs, 0 SdLazy, 65 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...