./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccadd62ee8105295b69b007526cf1ebacb802621 ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 22:32:38,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:32:38,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:32:38,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:32:38,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:32:38,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:32:38,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:32:38,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:32:38,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:32:38,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:32:38,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:32:38,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:32:38,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:32:38,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:32:38,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:32:38,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:32:38,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:32:38,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:32:38,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:32:38,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:32:38,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:32:38,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:32:38,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:32:38,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:32:38,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:32:38,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:32:38,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:32:38,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:32:38,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:32:38,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:32:38,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:32:38,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:32:38,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:32:38,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:32:38,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:32:38,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:32:38,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:32:38,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:32:38,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:32:38,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:32:38,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:32:38,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 22:32:38,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:32:38,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:32:38,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:32:38,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:32:38,441 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:32:38,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:32:38,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:32:38,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:32:38,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:32:38,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:32:38,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:32:38,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:32:38,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:32:38,444 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:32:38,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:32:38,444 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:32:38,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:32:38,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:32:38,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:32:38,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:32:38,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:32:38,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:32:38,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:32:38,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:32:38,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:32:38,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:32:38,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:32:38,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:32:38,449 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/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(__VERIFIER_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 -> ccadd62ee8105295b69b007526cf1ebacb802621 [2019-11-19 22:32:38,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:32:38,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:32:38,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:32:38,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:32:38,632 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:32:38,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-11-19 22:32:38,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/data/15eafeb3c/c36ebc65891e4e9597ef26db984e9929/FLAG713b606e2 [2019-11-19 22:32:39,177 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:32:39,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-11-19 22:32:39,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/data/15eafeb3c/c36ebc65891e4e9597ef26db984e9929/FLAG713b606e2 [2019-11-19 22:32:39,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/data/15eafeb3c/c36ebc65891e4e9597ef26db984e9929 [2019-11-19 22:32:39,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:32:39,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:32:39,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:32:39,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:32:39,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:32:39,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:32:39" (1/1) ... [2019-11-19 22:32:39,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edcc8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:39, skipping insertion in model container [2019-11-19 22:32:39,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:32:39" (1/1) ... [2019-11-19 22:32:39,478 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:32:39,539 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:32:40,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:32:40,076 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:32:40,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:32:40,225 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:32:40,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40 WrapperNode [2019-11-19 22:32:40,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:32:40,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:32:40,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:32:40,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:32:40,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:32:40,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:32:40,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:32:40,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:32:40,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... [2019-11-19 22:32:40,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:32:40,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:32:40,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:32:40,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:32:40,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/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 [2019-11-19 22:32:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:32:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:32:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:32:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:32:41,329 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:32:41,329 INFO L285 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-19 22:32:41,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:32:41 BoogieIcfgContainer [2019-11-19 22:32:41,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:32:41,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:32:41,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:32:41,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:32:41,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:32:39" (1/3) ... [2019-11-19 22:32:41,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420c0255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:32:41, skipping insertion in model container [2019-11-19 22:32:41,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:32:40" (2/3) ... [2019-11-19 22:32:41,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420c0255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:32:41, skipping insertion in model container [2019-11-19 22:32:41,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:32:41" (3/3) ... [2019-11-19 22:32:41,339 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2019-11-19 22:32:41,349 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:32:41,356 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 22:32:41,365 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 22:32:41,401 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:32:41,402 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:32:41,402 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:32:41,402 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:32:41,402 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:32:41,402 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:32:41,402 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:32:41,402 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:32:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-11-19 22:32:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 22:32:41,426 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:32:41,426 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:32:41,427 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:32:41,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:32:41,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1527487174, now seen corresponding path program 1 times [2019-11-19 22:32:41,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:32:41,439 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705988700] [2019-11-19 22:32:41,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:32:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:32:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:32:41,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705988700] [2019-11-19 22:32:41,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:32:41,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 22:32:41,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306230129] [2019-11-19 22:32:41,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 22:32:41,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:32:41,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 22:32:41,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 22:32:41,767 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-11-19 22:32:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:32:41,796 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2019-11-19 22:32:41,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 22:32:41,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 22:32:41,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:32:41,814 INFO L225 Difference]: With dead ends: 120 [2019-11-19 22:32:41,815 INFO L226 Difference]: Without dead ends: 59 [2019-11-19 22:32:41,818 INFO L630 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 [2019-11-19 22:32:41,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-11-19 22:32:41,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-19 22:32:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-19 22:32:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-11-19 22:32:41,864 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2019-11-19 22:32:41,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:32:41,865 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-19 22:32:41,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 22:32:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-11-19 22:32:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 22:32:41,866 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:32:41,867 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:32:41,867 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:32:41,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:32:41,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1856449369, now seen corresponding path program 1 times [2019-11-19 22:32:41,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:32:41,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481612695] [2019-11-19 22:32:41,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:32:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:32:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:32:41,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481612695] [2019-11-19 22:32:41,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:32:41,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:32:41,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588600682] [2019-11-19 22:32:41,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:32:41,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:32:41,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:32:41,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:32:41,966 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2019-11-19 22:32:41,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:32:41,983 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2019-11-19 22:32:41,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:32:41,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 22:32:41,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:32:41,985 INFO L225 Difference]: With dead ends: 59 [2019-11-19 22:32:41,985 INFO L226 Difference]: Without dead ends: 29 [2019-11-19 22:32:41,987 INFO L630 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 [2019-11-19 22:32:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-19 22:32:41,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-19 22:32:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-19 22:32:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-19 22:32:41,993 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-11-19 22:32:41,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:32:41,993 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-19 22:32:41,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:32:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-19 22:32:41,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 22:32:41,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:32:41,995 INFO L410 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] [2019-11-19 22:32:41,995 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:32:41,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:32:41,995 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2019-11-19 22:32:41,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:32:41,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078227587] [2019-11-19 22:32:41,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:32:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:32:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:32:42,180 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078227587] [2019-11-19 22:32:42,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:32:42,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:32:42,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697863052] [2019-11-19 22:32:42,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 22:32:42,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:32:42,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:32:42,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:32:42,186 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-11-19 22:32:42,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:32:42,356 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2019-11-19 22:32:42,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:32:42,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-19 22:32:42,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:32:42,361 INFO L225 Difference]: With dead ends: 130 [2019-11-19 22:32:42,361 INFO L226 Difference]: Without dead ends: 107 [2019-11-19 22:32:42,362 INFO L630 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 [2019-11-19 22:32:42,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-19 22:32:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2019-11-19 22:32:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-19 22:32:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2019-11-19 22:32:42,386 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2019-11-19 22:32:42,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:32:42,387 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2019-11-19 22:32:42,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 22:32:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2019-11-19 22:32:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:32:42,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:32:42,399 INFO L410 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] [2019-11-19 22:32:42,399 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:32:42,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:32:42,400 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2019-11-19 22:32:42,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:32:42,400 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083847976] [2019-11-19 22:32:42,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:32:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:32:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:32:42,717 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:32:42,717 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 22:32:42,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:32:42 BoogieIcfgContainer [2019-11-19 22:32:42,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:32:42,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:32:42,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:32:42,869 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:32:42,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:32:41" (3/4) ... [2019-11-19 22:32:42,871 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 22:32:42,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3bcc4e01-7fea-4cfc-9f7e-8a23ff956f98/bin/uautomizer/witness.graphml [2019-11-19 22:32:42,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:32:43,002 INFO L168 Benchmark]: Toolchain (without parser) took 3544.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.1 MB in the beginning and 968.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 119.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:32:43,003 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:32:43,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:32:43,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:32:43,007 INFO L168 Benchmark]: Boogie Preprocessor took 52.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:32:43,009 INFO L168 Benchmark]: RCFGBuilder took 979.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:32:43,011 INFO L168 Benchmark]: TraceAbstraction took 1530.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 87.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:32:43,012 INFO L168 Benchmark]: Witness Printer took 130.63 ms. Allocated memory is still 1.2 GB. Free memory was 975.1 MB in the beginning and 968.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:32:43,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 765.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 979.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1530.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 87.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 11.5 GB. * Witness Printer took 130.63 ms. Allocated memory is still 1.2 GB. Free memory was 975.1 MB in the beginning and 968.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 302]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L380] int retValue_acc ; [L381] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L177] tmp = __VERIFIER_nondet_int() [L179] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] COND TRUE waterLevel < 2 [L422] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L56] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L277] tmp___0 = getWaterLevel() [L279] COND TRUE tmp___0 == 2 [L111] int retValue_acc ; [L114] retValue_acc = pumpRunning [L115] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp___1 = isPumpRunning() [L283] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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=63occurred 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, 0.3s 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...