./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.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_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/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 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:07:33,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:07:33,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:07:33,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:07:33,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:07:33,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:07:33,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:07:33,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:07:33,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:07:33,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:07:33,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:07:33,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:07:33,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:07:33,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:07:33,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:07:33,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:07:33,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:07:33,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:07:33,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:07:33,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:07:33,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:07:33,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:07:33,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:07:33,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:07:33,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:07:33,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:07:33,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:07:33,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:07:33,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:07:33,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:07:33,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:07:33,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:07:33,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:07:33,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:07:33,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:07:33,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:07:33,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:07:33,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:07:33,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:07:33,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:07:33,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:07:33,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:07:33,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:07:33,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:07:33,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:07:33,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:07:33,345 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:07:33,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:07:33,346 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:07:33,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:07:33,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:07:33,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:07:33,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:07:33,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:07:33,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:07:33,349 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:07:33,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:07:33,349 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:07:33,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:07:33,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:07:33,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:07:33,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:07:33,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:07:33,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:07:33,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:07:33,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:07:33,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:07:33,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:07:33,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:07:33,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:07:33,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:07:33,354 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_71f81763-af18-4ff7-b808-11f528b0b83d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 [2020-11-28 03:07:33,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:07:33,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:07:33,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:07:33,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:07:33,778 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:07:33,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-28 03:07:33,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/data/3b6f7204a/2a5811084e894240a3e23b54b2723ad9/FLAG6fbadcaeb [2020-11-28 03:07:34,464 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:07:34,465 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-28 03:07:34,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/data/3b6f7204a/2a5811084e894240a3e23b54b2723ad9/FLAG6fbadcaeb [2020-11-28 03:07:34,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/data/3b6f7204a/2a5811084e894240a3e23b54b2723ad9 [2020-11-28 03:07:34,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:07:34,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:07:34,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:34,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:07:34,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:07:34,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:34" (1/1) ... [2020-11-28 03:07:34,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bd6f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:34, skipping insertion in model container [2020-11-28 03:07:34,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:34" (1/1) ... [2020-11-28 03:07:34,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:07:34,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:07:35,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:35,196 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:07:35,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:35,401 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:07:35,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35 WrapperNode [2020-11-28 03:07:35,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:35,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:35,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:07:35,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:07:35,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:35,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:07:35,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:07:35,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:07:35,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... [2020-11-28 03:07:35,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:07:35,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:07:35,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:07:35,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:07:35,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/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 [2020-11-28 03:07:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:07:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:07:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:07:35,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:07:36,770 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:07:36,770 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 03:07:36,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:36 BoogieIcfgContainer [2020-11-28 03:07:36,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:07:36,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:07:36,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:07:36,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:07:36,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:07:34" (1/3) ... [2020-11-28 03:07:36,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409ee904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:07:36, skipping insertion in model container [2020-11-28 03:07:36,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:35" (2/3) ... [2020-11-28 03:07:36,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409ee904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:07:36, skipping insertion in model container [2020-11-28 03:07:36,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:36" (3/3) ... [2020-11-28 03:07:36,789 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2020-11-28 03:07:36,807 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:07:36,812 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:07:36,827 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:07:36,873 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:07:36,874 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:07:36,874 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:07:36,874 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:07:36,874 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:07:36,875 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:07:36,875 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:07:36,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:07:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-28 03:07:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:07:36,931 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:36,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:36,932 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:07:36,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:36,944 INFO L82 PathProgramCache]: Analyzing trace with hash 944324404, now seen corresponding path program 1 times [2020-11-28 03:07:36,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:36,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041016180] [2020-11-28 03:07:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:37,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:37,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041016180] [2020-11-28 03:07:37,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:37,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:07:37,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442397076] [2020-11-28 03:07:37,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:07:37,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:37,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:07:37,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:07:37,373 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-28 03:07:37,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:37,424 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 03:07:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:07:37,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:07:37,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:37,442 INFO L225 Difference]: With dead ends: 151 [2020-11-28 03:07:37,442 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 03:07:37,456 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 [2020-11-28 03:07:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 03:07:37,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 03:07:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 03:07:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 03:07:37,534 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-28 03:07:37,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:37,535 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 03:07:37,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:07:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 03:07:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:07:37,538 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:37,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:37,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:07:37,539 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:07:37,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:37,542 INFO L82 PathProgramCache]: Analyzing trace with hash -102432493, now seen corresponding path program 1 times [2020-11-28 03:07:37,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:37,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946578018] [2020-11-28 03:07:37,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:37,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946578018] [2020-11-28 03:07:37,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:37,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:07:37,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122189053] [2020-11-28 03:07:37,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:07:37,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:37,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:07:37,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:07:37,719 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-11-28 03:07:37,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:37,731 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-28 03:07:37,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:07:37,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:07:37,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:37,733 INFO L225 Difference]: With dead ends: 73 [2020-11-28 03:07:37,733 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:07:37,735 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 [2020-11-28 03:07:37,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:07:37,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:07:37,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:07:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 03:07:37,740 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-28 03:07:37,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:37,741 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 03:07:37,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:07:37,741 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 03:07:37,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:07:37,742 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:37,743 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] [2020-11-28 03:07:37,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:07:37,743 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:07:37,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:37,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-11-28 03:07:37,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:37,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006486643] [2020-11-28 03:07:37,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:37,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:37,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006486643] [2020-11-28 03:07:37,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:37,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:07:37,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327761394] [2020-11-28 03:07:37,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:07:37,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:37,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:07:37,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:07:37,871 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-11-28 03:07:37,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:37,924 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-11-28 03:07:37,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:07:37,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-28 03:07:37,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:37,926 INFO L225 Difference]: With dead ends: 93 [2020-11-28 03:07:37,927 INFO L226 Difference]: Without dead ends: 64 [2020-11-28 03:07:37,927 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 [2020-11-28 03:07:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-11-28 03:07:37,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-11-28 03:07:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 03:07:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-11-28 03:07:37,940 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2020-11-28 03:07:37,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:37,941 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-11-28 03:07:37,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:07:37,942 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-11-28 03:07:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:07:37,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:37,945 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] [2020-11-28 03:07:37,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:07:37,947 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:07:37,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:37,948 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-11-28 03:07:37,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:37,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200288878] [2020-11-28 03:07:37,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:38,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200288878] [2020-11-28 03:07:38,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:38,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:07:38,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790297761] [2020-11-28 03:07:38,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:07:38,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:38,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:07:38,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:07:38,115 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2020-11-28 03:07:38,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:38,268 INFO L93 Difference]: Finished difference Result 298 states and 454 transitions. [2020-11-28 03:07:38,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:07:38,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 03:07:38,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:38,273 INFO L225 Difference]: With dead ends: 298 [2020-11-28 03:07:38,277 INFO L226 Difference]: Without dead ends: 244 [2020-11-28 03:07:38,279 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 [2020-11-28 03:07:38,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-28 03:07:38,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2020-11-28 03:07:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-28 03:07:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2020-11-28 03:07:38,315 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 23 [2020-11-28 03:07:38,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:38,316 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2020-11-28 03:07:38,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:07:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2020-11-28 03:07:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:07:38,320 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:38,320 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] [2020-11-28 03:07:38,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:07:38,321 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:07:38,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:38,321 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2020-11-28 03:07:38,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:38,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406166720] [2020-11-28 03:07:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:38,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406166720] [2020-11-28 03:07:38,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:38,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:07:38,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322017459] [2020-11-28 03:07:38,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:07:38,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:38,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:07:38,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:07:38,432 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand 5 states. [2020-11-28 03:07:38,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:38,532 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2020-11-28 03:07:38,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:07:38,533 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 03:07:38,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:07:38,533 INFO L225 Difference]: With dead ends: 304 [2020-11-28 03:07:38,533 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:07:38,535 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 [2020-11-28 03:07:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:07:38,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:07:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:07:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:07:38,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 03:07:38,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:07:38,537 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:38,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:07:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:07:38,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:07:38,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:07:38,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:07:38,781 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:07:38,782 INFO L274 CegarLoopResult]: For program point L630(lines 630 647) no Hoare annotation was computed. [2020-11-28 03:07:38,782 INFO L274 CegarLoopResult]: For program point L630-1(lines 630 647) no Hoare annotation was computed. [2020-11-28 03:07:38,782 INFO L274 CegarLoopResult]: For program point L630-2(lines 630 647) no Hoare annotation was computed. [2020-11-28 03:07:38,782 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:07:38,782 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:07:38,782 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:07:38,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:07:38,783 INFO L274 CegarLoopResult]: For program point L796(lines 796 802) no Hoare annotation was computed. [2020-11-28 03:07:38,783 INFO L274 CegarLoopResult]: For program point L796-2(lines 796 802) no Hoare annotation was computed. [2020-11-28 03:07:38,783 INFO L274 CegarLoopResult]: For program point L796-4(lines 796 802) no Hoare annotation was computed. [2020-11-28 03:07:38,783 INFO L270 CegarLoopResult]: At program point L598(lines 597 616) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,783 INFO L274 CegarLoopResult]: For program point L565(lines 565 571) no Hoare annotation was computed. [2020-11-28 03:07:38,784 INFO L274 CegarLoopResult]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2020-11-28 03:07:38,784 INFO L270 CegarLoopResult]: At program point L565-1(lines 598 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,784 INFO L270 CegarLoopResult]: At program point L598-2(lines 597 616) the Hoare annotation is: false [2020-11-28 03:07:38,784 INFO L270 CegarLoopResult]: At program point L598-3(lines 597 616) the Hoare annotation is: false [2020-11-28 03:07:38,784 INFO L274 CegarLoopResult]: For program point L863(lines 863 867) no Hoare annotation was computed. [2020-11-28 03:07:38,784 INFO L274 CegarLoopResult]: For program point L863-1(lines 598 604) no Hoare annotation was computed. [2020-11-28 03:07:38,785 INFO L274 CegarLoopResult]: For program point L764(lines 764 770) no Hoare annotation was computed. [2020-11-28 03:07:38,785 INFO L270 CegarLoopResult]: At program point L764-1(lines 764 770) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,785 INFO L270 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,785 INFO L270 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2020-11-28 03:07:38,785 INFO L270 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2020-11-28 03:07:38,786 INFO L274 CegarLoopResult]: For program point L930(lines 930 937) no Hoare annotation was computed. [2020-11-28 03:07:38,786 INFO L277 CegarLoopResult]: At program point L930-1(lines 930 937) the Hoare annotation is: true [2020-11-28 03:07:38,786 INFO L274 CegarLoopResult]: For program point L634(lines 634 642) no Hoare annotation was computed. [2020-11-28 03:07:38,786 INFO L274 CegarLoopResult]: For program point L634-1(lines 634 642) no Hoare annotation was computed. [2020-11-28 03:07:38,786 INFO L274 CegarLoopResult]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2020-11-28 03:07:38,786 INFO L274 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-11-28 03:07:38,786 INFO L274 CegarLoopResult]: For program point L750-2(lines 750 754) no Hoare annotation was computed. [2020-11-28 03:07:38,787 INFO L274 CegarLoopResult]: For program point L750-3(lines 750 754) no Hoare annotation was computed. [2020-11-28 03:07:38,787 INFO L274 CegarLoopResult]: For program point L750-5(lines 750 754) no Hoare annotation was computed. [2020-11-28 03:07:38,787 INFO L274 CegarLoopResult]: For program point L750-6(lines 750 754) no Hoare annotation was computed. [2020-11-28 03:07:38,787 INFO L274 CegarLoopResult]: For program point L750-8(lines 750 754) no Hoare annotation was computed. [2020-11-28 03:07:38,787 INFO L270 CegarLoopResult]: At program point L701(lines 696 704) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,787 INFO L270 CegarLoopResult]: At program point L701-1(lines 696 704) the Hoare annotation is: false [2020-11-28 03:07:38,788 INFO L270 CegarLoopResult]: At program point L701-2(lines 696 704) the Hoare annotation is: false [2020-11-28 03:07:38,788 INFO L274 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-11-28 03:07:38,788 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:07:38,788 INFO L274 CegarLoopResult]: For program point L537(lines 537 543) no Hoare annotation was computed. [2020-11-28 03:07:38,788 INFO L270 CegarLoopResult]: At program point L537-1(lines 537 543) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,788 INFO L270 CegarLoopResult]: At program point L835(lines 1 942) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:07:38,789 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:07:38,789 INFO L270 CegarLoopResult]: At program point L605(lines 605 611) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,789 INFO L270 CegarLoopResult]: At program point L605-1(lines 605 611) the Hoare annotation is: false [2020-11-28 03:07:38,789 INFO L270 CegarLoopResult]: At program point L605-2(lines 605 611) the Hoare annotation is: false [2020-11-28 03:07:38,789 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:07:38,789 INFO L274 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-11-28 03:07:38,790 INFO L270 CegarLoopResult]: At program point L508(lines 503 511) the Hoare annotation is: false [2020-11-28 03:07:38,790 INFO L270 CegarLoopResult]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2020-11-28 03:07:38,790 INFO L274 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-11-28 03:07:38,790 INFO L270 CegarLoopResult]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2020-11-28 03:07:38,790 INFO L270 CegarLoopResult]: At program point L756(lines 741 759) the Hoare annotation is: false [2020-11-28 03:07:38,790 INFO L270 CegarLoopResult]: At program point L756-1(lines 741 759) the Hoare annotation is: false [2020-11-28 03:07:38,790 INFO L270 CegarLoopResult]: At program point L756-2(lines 741 759) the Hoare annotation is: false [2020-11-28 03:07:38,791 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 03:07:38,791 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 03:07:38,791 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 03:07:38,791 INFO L277 CegarLoopResult]: At program point L939(lines 920 942) the Hoare annotation is: true [2020-11-28 03:07:38,791 INFO L270 CegarLoopResult]: At program point L907(lines 903 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:07:38,791 INFO L270 CegarLoopResult]: At program point L577(lines 526 578) the Hoare annotation is: false [2020-11-28 03:07:38,792 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:07:38,792 INFO L274 CegarLoopResult]: For program point L792(lines 792 805) no Hoare annotation was computed. [2020-11-28 03:07:38,792 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:07:38,792 INFO L270 CegarLoopResult]: At program point L792-1(lines 1 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,792 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 805) no Hoare annotation was computed. [2020-11-28 03:07:38,793 INFO L270 CegarLoopResult]: At program point L792-3(lines 1 942) the Hoare annotation is: false [2020-11-28 03:07:38,793 INFO L274 CegarLoopResult]: For program point L792-4(lines 792 805) no Hoare annotation was computed. [2020-11-28 03:07:38,793 INFO L270 CegarLoopResult]: At program point L792-5(lines 1 942) the Hoare annotation is: false [2020-11-28 03:07:38,793 INFO L274 CegarLoopResult]: For program point L528(lines 527 576) no Hoare annotation was computed. [2020-11-28 03:07:38,793 INFO L270 CegarLoopResult]: At program point L859-2(lines 859 873) the Hoare annotation is: false [2020-11-28 03:07:38,793 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-28 03:07:38,793 INFO L274 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-11-28 03:07:38,794 INFO L270 CegarLoopResult]: At program point L843(lines 838 846) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:07:38,794 INFO L274 CegarLoopResult]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2020-11-28 03:07:38,794 INFO L274 CegarLoopResult]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2020-11-28 03:07:38,794 INFO L274 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-11-28 03:07:38,794 INFO L274 CegarLoopResult]: For program point L547(lines 547 553) no Hoare annotation was computed. [2020-11-28 03:07:38,794 INFO L270 CegarLoopResult]: At program point L547-1(lines 547 553) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:07:38,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:07:38 BoogieIcfgContainer [2020-11-28 03:07:38,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:07:38,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:07:38,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:07:38,816 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:07:38,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:36" (3/4) ... [2020-11-28 03:07:38,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:07:38,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:07:38,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:07:38,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:07:38,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:07:38,867 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:07:38,868 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:07:38,869 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:07:38,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:07:38,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_71f81763-af18-4ff7-b808-11f528b0b83d/bin/uautomizer/witness.graphml [2020-11-28 03:07:38,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:07:38,978 INFO L168 Benchmark]: Toolchain (without parser) took 4208.01 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 90.6 MB in the beginning and 111.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 68.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:38,980 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:38,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.49 ms. Allocated memory is still 111.1 MB. Free memory was 90.4 MB in the beginning and 71.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:38,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.42 ms. Allocated memory is still 111.1 MB. Free memory was 71.0 MB in the beginning and 68.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:38,981 INFO L168 Benchmark]: Boogie Preprocessor took 90.44 ms. Allocated memory is still 111.1 MB. Free memory was 68.3 MB in the beginning and 66.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:38,982 INFO L168 Benchmark]: RCFGBuilder took 1194.40 ms. Allocated memory is still 111.1 MB. Free memory was 66.2 MB in the beginning and 36.6 MB in the end (delta: 29.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:38,983 INFO L168 Benchmark]: TraceAbstraction took 2035.49 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 35.8 MB in the beginning and 54.7 MB in the end (delta: -19.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:38,983 INFO L168 Benchmark]: Witness Printer took 160.83 ms. Allocated memory is still 142.6 MB. Free memory was 54.7 MB in the beginning and 111.9 MB in the end (delta: -57.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:38,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 625.49 ms. Allocated memory is still 111.1 MB. Free memory was 90.4 MB in the beginning and 71.0 MB in the end (delta: 19.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.42 ms. Allocated memory is still 111.1 MB. Free memory was 71.0 MB in the beginning and 68.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.44 ms. Allocated memory is still 111.1 MB. Free memory was 68.3 MB in the beginning and 66.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1194.40 ms. Allocated memory is still 111.1 MB. Free memory was 66.2 MB in the beginning and 36.6 MB in the end (delta: 29.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2035.49 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 35.8 MB in the beginning and 54.7 MB in the end (delta: -19.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Witness Printer took 160.83 ms. Allocated memory is still 142.6 MB. Free memory was 54.7 MB in the beginning and 111.9 MB in the end (delta: -57.2 MB). Peak memory consumption was 3.6 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: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 352 SDslu, 333 SDs, 0 SdLazy, 47 SolverSat, 10 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=108occurred 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, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...