./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/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 97e1e79d9f040fa1d57b96c793652004756593a5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:10,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:10,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:10,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:10,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:10,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:10,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:10,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:10,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:10,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:10,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:10,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:10,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:10,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:10,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:10,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:10,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:10,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:10,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:10,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:10,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:10,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:10,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:10,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:10,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:10,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:10,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:10,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:10,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:10,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:10,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:10,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:10,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:10,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:10,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:10,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:10,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:10,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:10,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:10,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:10,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:10,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:10,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:10,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:10,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:10,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:10,368 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:10,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:10,368 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:10,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:10,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:10,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:10,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:10,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:10,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:10,369 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:10,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:10,369 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:10,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:10,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:10,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:10,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:10,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:10,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:10,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:10,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:10,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:10,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:10,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:10,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:10,371 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/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2019-10-22 08:59:10,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:10,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:10,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:10,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:10,412 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:10,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-10-22 08:59:10,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/data/d2dba5fcd/1453453adf47405d92252e4b9f62b61a/FLAG767c7e0c2 [2019-10-22 08:59:10,885 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:10,885 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2019-10-22 08:59:10,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/data/d2dba5fcd/1453453adf47405d92252e4b9f62b61a/FLAG767c7e0c2 [2019-10-22 08:59:10,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/data/d2dba5fcd/1453453adf47405d92252e4b9f62b61a [2019-10-22 08:59:10,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:10,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:10,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:10,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:10,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:10,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:10" (1/1) ... [2019-10-22 08:59:10,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a3561c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:10, skipping insertion in model container [2019-10-22 08:59:10,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:10" (1/1) ... [2019-10-22 08:59:10,927 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:10,971 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:11,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:11,285 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:11,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:11,406 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:11,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11 WrapperNode [2019-10-22 08:59:11,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:11,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:11,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:11,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:11,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:11,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:11,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:11,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:11,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... [2019-10-22 08:59:11,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:11,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:11,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:11,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:11,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/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 [2019-10-22 08:59:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:59:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:12,269 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:12,269 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 08:59:12,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:12 BoogieIcfgContainer [2019-10-22 08:59:12,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:12,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:12,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:12,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:12,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:10" (1/3) ... [2019-10-22 08:59:12,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d8cd5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:12, skipping insertion in model container [2019-10-22 08:59:12,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:11" (2/3) ... [2019-10-22 08:59:12,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d8cd5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:12, skipping insertion in model container [2019-10-22 08:59:12,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:12" (3/3) ... [2019-10-22 08:59:12,278 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2019-10-22 08:59:12,289 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:12,298 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:59:12,308 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:59:12,338 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:12,339 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:12,339 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:12,340 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:12,340 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:12,340 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:12,340 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:12,340 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:12,357 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-10-22 08:59:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 08:59:12,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:12,365 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:12,368 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:12,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:12,374 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-10-22 08:59:12,382 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:12,383 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182325101] [2019-10-22 08:59:12,383 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,383 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:12,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182325101] [2019-10-22 08:59:12,569 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:12,569 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:12,570 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585817794] [2019-10-22 08:59:12,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:59:12,574 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:12,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:59:12,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:59:12,588 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-10-22 08:59:12,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:12,610 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-10-22 08:59:12,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:59:12,611 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 08:59:12,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:12,621 INFO L225 Difference]: With dead ends: 136 [2019-10-22 08:59:12,621 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 08:59:12,624 INFO L600 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 [2019-10-22 08:59:12,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 08:59:12,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 08:59:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 08:59:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-10-22 08:59:12,661 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-10-22 08:59:12,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:12,661 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-10-22 08:59:12,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:59:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-10-22 08:59:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 08:59:12,662 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:12,663 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:12,663 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:12,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:12,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-10-22 08:59:12,663 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:12,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417456660] [2019-10-22 08:59:12,664 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,664 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:12,776 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417456660] [2019-10-22 08:59:12,776 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:12,776 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:12,776 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006976650] [2019-10-22 08:59:12,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:12,778 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:12,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:12,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:12,779 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-10-22 08:59:12,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:12,787 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-10-22 08:59:12,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:12,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 08:59:12,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:12,789 INFO L225 Difference]: With dead ends: 67 [2019-10-22 08:59:12,789 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 08:59:12,790 INFO L600 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 [2019-10-22 08:59:12,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 08:59:12,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 08:59:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 08:59:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 08:59:12,794 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 08:59:12,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:12,795 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 08:59:12,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 08:59:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 08:59:12,796 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:12,796 INFO L380 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] [2019-10-22 08:59:12,796 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:12,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:12,797 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-10-22 08:59:12,797 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:12,797 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117136188] [2019-10-22 08:59:12,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:12,850 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117136188] [2019-10-22 08:59:12,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:12,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:12,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280602599] [2019-10-22 08:59:12,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:12,851 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:12,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:12,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:12,851 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-10-22 08:59:12,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:12,886 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-10-22 08:59:12,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:12,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 08:59:12,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:12,888 INFO L225 Difference]: With dead ends: 87 [2019-10-22 08:59:12,888 INFO L226 Difference]: Without dead ends: 60 [2019-10-22 08:59:12,888 INFO L600 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 [2019-10-22 08:59:12,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-22 08:59:12,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-10-22 08:59:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-10-22 08:59:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-10-22 08:59:12,896 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2019-10-22 08:59:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:12,896 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-10-22 08:59:12,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-10-22 08:59:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 08:59:12,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:12,897 INFO L380 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] [2019-10-22 08:59:12,897 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:12,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:12,898 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-10-22 08:59:12,898 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:12,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482174210] [2019-10-22 08:59:12,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,898 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:12,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:12,955 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482174210] [2019-10-22 08:59:12,955 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:12,955 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:12,955 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089296948] [2019-10-22 08:59:12,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:12,956 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:12,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:12,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:12,956 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-10-22 08:59:13,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:13,055 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2019-10-22 08:59:13,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:59:13,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 08:59:13,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:13,057 INFO L225 Difference]: With dead ends: 260 [2019-10-22 08:59:13,058 INFO L226 Difference]: Without dead ends: 210 [2019-10-22 08:59:13,058 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:59:13,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-10-22 08:59:13,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2019-10-22 08:59:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-22 08:59:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2019-10-22 08:59:13,081 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2019-10-22 08:59:13,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:13,081 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2019-10-22 08:59:13,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2019-10-22 08:59:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:59:13,082 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:13,082 INFO L380 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] [2019-10-22 08:59:13,082 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:13,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2019-10-22 08:59:13,083 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:13,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232297930] [2019-10-22 08:59:13,083 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:13,086 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:13,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:13,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232297930] [2019-10-22 08:59:13,187 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:13,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:13,188 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110179540] [2019-10-22 08:59:13,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:13,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:13,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:13,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:13,189 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2019-10-22 08:59:13,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:13,300 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2019-10-22 08:59:13,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:13,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 08:59:13,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:13,301 INFO L225 Difference]: With dead ends: 296 [2019-10-22 08:59:13,301 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:59:13,302 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:59:13,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:59:13,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:59:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:59:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:13,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 08:59:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:13,303 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:13,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:13,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:59:13,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:59:13,540 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-10-22 08:59:13,540 INFO L443 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-10-22 08:59:13,541 INFO L443 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-10-22 08:59:13,541 INFO L439 ceAbstractionStarter]: At program point L779(lines 774 782) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,541 INFO L439 ceAbstractionStarter]: At program point L779-1(lines 774 782) the Hoare annotation is: false [2019-10-22 08:59:13,541 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 721) no Hoare annotation was computed. [2019-10-22 08:59:13,541 INFO L439 ceAbstractionStarter]: At program point L779-2(lines 774 782) the Hoare annotation is: false [2019-10-22 08:59:13,541 INFO L443 ceAbstractionStarter]: For program point L713-1(lines 713 721) no Hoare annotation was computed. [2019-10-22 08:59:13,541 INFO L443 ceAbstractionStarter]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2019-10-22 08:59:13,542 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:59:13,542 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2019-10-22 08:59:13,542 INFO L439 ceAbstractionStarter]: At program point L136-1(lines 1 910) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,542 INFO L443 ceAbstractionStarter]: For program point L136-2(lines 136 149) no Hoare annotation was computed. [2019-10-22 08:59:13,542 INFO L439 ceAbstractionStarter]: At program point L136-3(lines 1 910) the Hoare annotation is: false [2019-10-22 08:59:13,542 INFO L443 ceAbstractionStarter]: For program point L136-4(lines 136 149) no Hoare annotation was computed. [2019-10-22 08:59:13,542 INFO L439 ceAbstractionStarter]: At program point L136-5(lines 1 910) the Hoare annotation is: false [2019-10-22 08:59:13,542 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-10-22 08:59:13,543 INFO L439 ceAbstractionStarter]: At program point L863-1(lines 863 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,543 INFO L446 ceAbstractionStarter]: At program point L286(lines 267 289) the Hoare annotation is: true [2019-10-22 08:59:13,543 INFO L439 ceAbstractionStarter]: At program point L253(lines 249 255) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:59:13,543 INFO L439 ceAbstractionStarter]: At program point L187(lines 182 190) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:59:13,549 INFO L439 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2019-10-22 08:59:13,549 INFO L439 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-10-22 08:59:13,549 INFO L439 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,549 INFO L439 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-10-22 08:59:13,549 INFO L439 ceAbstractionStarter]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2019-10-22 08:59:13,550 INFO L439 ceAbstractionStarter]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2019-10-22 08:59:13,550 INFO L439 ceAbstractionStarter]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2019-10-22 08:59:13,550 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-22 08:59:13,550 INFO L439 ceAbstractionStarter]: At program point L684(lines 684 690) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,550 INFO L439 ceAbstractionStarter]: At program point L684-1(lines 684 690) the Hoare annotation is: false [2019-10-22 08:59:13,550 INFO L439 ceAbstractionStarter]: At program point L684-2(lines 684 690) the Hoare annotation is: false [2019-10-22 08:59:13,550 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 898) no Hoare annotation was computed. [2019-10-22 08:59:13,550 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-10-22 08:59:13,550 INFO L443 ceAbstractionStarter]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-10-22 08:59:13,551 INFO L443 ceAbstractionStarter]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-10-22 08:59:13,551 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:59:13,551 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 08:59:13,551 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-10-22 08:59:13,551 INFO L443 ceAbstractionStarter]: For program point L208-1(lines 677 683) no Hoare annotation was computed. [2019-10-22 08:59:13,551 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-10-22 08:59:13,551 INFO L439 ceAbstractionStarter]: At program point L770(lines 763 773) the Hoare annotation is: false [2019-10-22 08:59:13,552 INFO L439 ceAbstractionStarter]: At program point L770-1(lines 763 773) the Hoare annotation is: false [2019-10-22 08:59:13,553 INFO L439 ceAbstractionStarter]: At program point L770-2(lines 763 773) the Hoare annotation is: false [2019-10-22 08:59:13,554 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 08:59:13,555 INFO L439 ceAbstractionStarter]: At program point L903(lines 852 904) the Hoare annotation is: false [2019-10-22 08:59:13,555 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:59:13,555 INFO L443 ceAbstractionStarter]: For program point L854(lines 853 902) no Hoare annotation was computed. [2019-10-22 08:59:13,555 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 859) no Hoare annotation was computed. [2019-10-22 08:59:13,555 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 284) no Hoare annotation was computed. [2019-10-22 08:59:13,555 INFO L446 ceAbstractionStarter]: At program point L277-1(lines 277 284) the Hoare annotation is: true [2019-10-22 08:59:13,555 INFO L443 ceAbstractionStarter]: For program point L823(lines 823 829) no Hoare annotation was computed. [2019-10-22 08:59:13,555 INFO L439 ceAbstractionStarter]: At program point L823-1(lines 823 829) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,556 INFO L439 ceAbstractionStarter]: At program point L179(lines 1 910) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:59:13,556 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-10-22 08:59:13,556 INFO L439 ceAbstractionStarter]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,556 INFO L443 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2019-10-22 08:59:13,556 INFO L443 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-10-22 08:59:13,556 INFO L443 ceAbstractionStarter]: For program point L295-2(line 295) no Hoare annotation was computed. [2019-10-22 08:59:13,556 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-10-22 08:59:13,556 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 726) no Hoare annotation was computed. [2019-10-22 08:59:13,557 INFO L443 ceAbstractionStarter]: For program point L709-1(lines 709 726) no Hoare annotation was computed. [2019-10-22 08:59:13,557 INFO L443 ceAbstractionStarter]: For program point L709-2(lines 709 726) no Hoare annotation was computed. [2019-10-22 08:59:13,557 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:59:13,557 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-10-22 08:59:13,557 INFO L439 ceAbstractionStarter]: At program point L891-1(lines 677 683) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,557 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2019-10-22 08:59:13,557 INFO L439 ceAbstractionStarter]: At program point L677(lines 676 695) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:59:13,557 INFO L443 ceAbstractionStarter]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2019-10-22 08:59:13,558 INFO L439 ceAbstractionStarter]: At program point L677-2(lines 676 695) the Hoare annotation is: false [2019-10-22 08:59:13,558 INFO L439 ceAbstractionStarter]: At program point L677-3(lines 676 695) the Hoare annotation is: false [2019-10-22 08:59:13,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:13 BoogieIcfgContainer [2019-10-22 08:59:13,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:13,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:13,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:13,581 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:13,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:12" (3/4) ... [2019-10-22 08:59:13,584 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:59:13,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:59:13,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:59:13,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:59:13,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:59:13,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:59:13,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:59:13,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:59:13,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aa29dec7-0e16-4fbe-a5bc-6692371ca2c1/bin/uautomizer/witness.graphml [2019-10-22 08:59:13,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:13,697 INFO L168 Benchmark]: Toolchain (without parser) took 2785.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.5 MB in the beginning and 928.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 150.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:13,698 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:13,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:13,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.52 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:13,699 INFO L168 Benchmark]: Boogie Preprocessor took 55.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:13,699 INFO L168 Benchmark]: RCFGBuilder took 741.50 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:13,700 INFO L168 Benchmark]: TraceAbstraction took 1307.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.1 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:13,700 INFO L168 Benchmark]: Witness Printer took 114.86 ms. Allocated memory is still 1.2 GB. Free memory was 939.1 MB in the beginning and 928.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:13,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 494.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.52 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 741.50 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1307.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.1 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 114.86 ms. Allocated memory is still 1.2 GB. Free memory was 939.1 MB in the beginning and 928.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 308 SDtfs, 317 SDslu, 299 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...