./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5afec15b24012ce62630e94cc787fef1371f4427 ................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:43:02,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:02,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:02,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:02,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:02,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:02,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:02,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:02,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:02,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:02,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:02,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:02,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:02,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:02,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:02,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:02,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:02,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:02,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:02,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:02,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:02,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:02,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:02,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:02,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:02,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:02,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:02,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:02,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:02,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:02,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:02,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:02,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:02,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:02,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:02,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:02,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:02,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:02,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:02,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:02,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:02,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:02,361 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:02,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:02,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:02,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:02,363 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:02,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:02,363 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:02,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:02,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:02,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:02,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:02,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:02,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:02,364 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:02,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:02,365 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:02,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:02,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:02,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:02,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:02,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:02,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:02,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:02,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:02,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:02,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:02,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:02,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:02,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:02,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 5afec15b24012ce62630e94cc787fef1371f4427 [2020-10-20 01:43:02,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:02,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:02,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:02,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:02,664 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:02,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2020-10-20 01:43:02,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d82062d6/f58357b14ab94f27b19d44705c773d30/FLAGd815481ef [2020-10-20 01:43:03,344 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:03,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2020-10-20 01:43:03,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d82062d6/f58357b14ab94f27b19d44705c773d30/FLAGd815481ef [2020-10-20 01:43:03,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d82062d6/f58357b14ab94f27b19d44705c773d30 [2020-10-20 01:43:03,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:03,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:03,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:03,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:03,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:03,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:03" (1/1) ... [2020-10-20 01:43:03,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279b5aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:03, skipping insertion in model container [2020-10-20 01:43:03,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:03" (1/1) ... [2020-10-20 01:43:03,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:03,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:43:04,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:04,110 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:43:04,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:43:04,217 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:43:04,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04 WrapperNode [2020-10-20 01:43:04,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:04,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:04,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:43:04,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:43:04,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:43:04,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:43:04,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:43:04,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:43:04,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... [2020-10-20 01:43:04,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:43:04,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:43:04,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:43:04,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:43:04,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 01:43:04,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:43:04,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:43:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:43:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:43:05,210 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:43:05,211 INFO L298 CfgBuilder]: Removed 80 assume(true) statements. [2020-10-20 01:43:05,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:05 BoogieIcfgContainer [2020-10-20 01:43:05,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:43:05,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:43:05,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:43:05,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:43:05,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:03" (1/3) ... [2020-10-20 01:43:05,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c10baf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:05, skipping insertion in model container [2020-10-20 01:43:05,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:04" (2/3) ... [2020-10-20 01:43:05,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c10baf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:43:05, skipping insertion in model container [2020-10-20 01:43:05,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:05" (3/3) ... [2020-10-20 01:43:05,238 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2020-10-20 01:43:05,255 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:43:05,265 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:43:05,279 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:43:05,303 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:43:05,304 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:43:05,304 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:43:05,304 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:43:05,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:43:05,306 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:43:05,307 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:43:05,307 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:43:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-10-20 01:43:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:43:05,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:05,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:05,335 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:05,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:05,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1782981536, now seen corresponding path program 1 times [2020-10-20 01:43:05,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:05,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38717210] [2020-10-20 01:43:05,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:05,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38717210] [2020-10-20 01:43:05,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:05,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:43:05,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341072760] [2020-10-20 01:43:05,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:43:05,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:05,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:43:05,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:43:05,604 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-10-20 01:43:05,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:05,650 INFO L93 Difference]: Finished difference Result 123 states and 182 transitions. [2020-10-20 01:43:05,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:43:05,651 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:43:05,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:05,664 INFO L225 Difference]: With dead ends: 123 [2020-10-20 01:43:05,664 INFO L226 Difference]: Without dead ends: 59 [2020-10-20 01:43:05,668 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 [2020-10-20 01:43:05,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-20 01:43:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-20 01:43:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-20 01:43:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-10-20 01:43:05,711 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2020-10-20 01:43:05,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:05,711 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-10-20 01:43:05,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:43:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-10-20 01:43:05,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:43:05,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:05,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:43:05,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:43:05,714 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:05,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:05,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1600955007, now seen corresponding path program 1 times [2020-10-20 01:43:05,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:05,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248835179] [2020-10-20 01:43:05,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:05,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248835179] [2020-10-20 01:43:05,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:05,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:43:05,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344263069] [2020-10-20 01:43:05,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:43:05,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:05,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:43:05,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:43:05,837 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2020-10-20 01:43:05,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:05,848 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-10-20 01:43:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:43:05,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:43:05,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:05,850 INFO L225 Difference]: With dead ends: 59 [2020-10-20 01:43:05,850 INFO L226 Difference]: Without dead ends: 29 [2020-10-20 01:43:05,851 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 [2020-10-20 01:43:05,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-20 01:43:05,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-20 01:43:05,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 01:43:05,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-20 01:43:05,857 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-10-20 01:43:05,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:05,857 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-20 01:43:05,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:43:05,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-20 01:43:05,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:43:05,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:05,858 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] [2020-10-20 01:43:05,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:43:05,859 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:05,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:05,859 INFO L82 PathProgramCache]: Analyzing trace with hash 930808050, now seen corresponding path program 1 times [2020-10-20 01:43:05,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:05,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504151571] [2020-10-20 01:43:05,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:43:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:43:05,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504151571] [2020-10-20 01:43:05,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:43:05,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:43:05,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627134133] [2020-10-20 01:43:05,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:43:05,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:43:05,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:43:05,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:43:05,977 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-10-20 01:43:06,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:43:06,090 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2020-10-20 01:43:06,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:43:06,091 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:43:06,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:43:06,093 INFO L225 Difference]: With dead ends: 130 [2020-10-20 01:43:06,093 INFO L226 Difference]: Without dead ends: 107 [2020-10-20 01:43:06,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:43:06,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-20 01:43:06,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2020-10-20 01:43:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-20 01:43:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2020-10-20 01:43:06,105 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2020-10-20 01:43:06,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:43:06,105 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2020-10-20 01:43:06,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:43:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2020-10-20 01:43:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:43:06,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:43:06,107 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] [2020-10-20 01:43:06,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:43:06,107 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:43:06,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:43:06,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1487700112, now seen corresponding path program 1 times [2020-10-20 01:43:06,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:43:06,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939192673] [2020-10-20 01:43:06,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:43:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 01:43:06,230 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 01:43:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 01:43:06,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 01:43:06,328 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 01:43:06,329 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 01:43:06,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:43:06,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:06 BoogieIcfgContainer [2020-10-20 01:43:06,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:06,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:06,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:06,454 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:06,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:43:05" (3/4) ... [2020-10-20 01:43:06,457 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 01:43:06,552 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:06,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:06,556 INFO L168 Benchmark]: Toolchain (without parser) took 2936.96 ms. Allocated memory was 43.0 MB in the beginning and 53.0 MB in the end (delta: 10.0 MB). Free memory was 24.0 MB in the beginning and 15.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:06,562 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 33.0 MB. Free memory was 11.7 MB in the beginning and 11.6 MB in the end (delta: 52.3 kB). Peak memory consumption was 52.3 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:06,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.76 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 23.0 MB in the beginning and 14.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:06,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.90 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 14.3 MB in the beginning and 27.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:06,565 INFO L168 Benchmark]: Boogie Preprocessor took 40.52 ms. Allocated memory is still 44.6 MB. Free memory was 27.6 MB in the beginning and 25.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:06,565 INFO L168 Benchmark]: RCFGBuilder took 875.51 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 25.2 MB in the beginning and 11.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:06,568 INFO L168 Benchmark]: TraceAbstraction took 1237.86 ms. Allocated memory was 46.7 MB in the beginning and 53.0 MB in the end (delta: 6.3 MB). Free memory was 11.0 MB in the beginning and 27.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:06,569 INFO L168 Benchmark]: Witness Printer took 98.61 ms. Allocated memory is still 53.0 MB. Free memory was 27.9 MB in the beginning and 15.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:06,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 33.0 MB. Free memory was 11.7 MB in the beginning and 11.6 MB in the end (delta: 52.3 kB). Peak memory consumption was 52.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 594.76 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 23.0 MB in the beginning and 14.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 78.90 ms. Allocated memory was 44.0 MB in the beginning and 44.6 MB in the end (delta: 524.3 kB). Free memory was 14.3 MB in the beginning and 27.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 40.52 ms. Allocated memory is still 44.6 MB. Free memory was 27.6 MB in the beginning and 25.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 875.51 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 25.2 MB in the beginning and 11.4 MB in the end (delta: 13.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1237.86 ms. Allocated memory was 46.7 MB in the beginning and 53.0 MB in the end (delta: 6.3 MB). Free memory was 11.0 MB in the beginning and 27.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. * Witness Printer took 98.61 ms. Allocated memory is still 53.0 MB. Free memory was 27.9 MB in the beginning and 15.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L344] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L783] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int retValue_acc ; [L857] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L554] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L556] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L562] tmp = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] tmp___0 = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND TRUE \read(tmp___2) [L744] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] int tmp ; [L751] int tmp___0 ; [L752] int tmp___1 ; [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] tmp = isMethaneLevelCritical() [L758] COND FALSE !(\read(tmp)) [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L762] tmp___0 = getWaterLevel() [L764] COND TRUE tmp___0 == 2 [L696] int retValue_acc ; [L699] retValue_acc = pumpRunning [L700] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] tmp___1 = isPumpRunning() [L768] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product10.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...