./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76dc507b12cb3a2bccac05c4e284ee3cd573db6d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:21:43,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:21:43,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:21:43,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:21:43,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:21:43,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:21:43,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:21:43,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:21:43,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:21:43,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:21:43,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:21:43,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:21:43,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:21:43,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:21:43,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:21:43,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:21:43,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:21:43,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:21:43,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:21:43,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:21:43,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:21:43,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:21:43,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:21:43,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:21:43,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:21:43,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:21:43,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:21:43,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:21:43,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:21:43,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:21:43,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:21:43,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:21:43,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:21:43,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:21:43,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:21:43,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:21:43,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:21:43,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:21:43,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:21:43,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:21:43,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:21:43,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:21:43,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:21:43,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:21:43,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:21:43,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:21:43,475 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:21:43,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:21:43,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:21:43,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:21:43,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:21:43,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:21:43,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:21:43,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:21:43,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:21:43,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:21:43,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:21:43,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:21:43,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:21:43,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:21:43,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:21:43,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:21:43,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:21:43,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:21:43,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:21:43,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:21:43,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:21:43,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:21:43,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:21:43,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:21:43,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> 76dc507b12cb3a2bccac05c4e284ee3cd573db6d [2019-11-19 21:21:43,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:21:43,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:21:43,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:21:43,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:21:43,824 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:21:43,825 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2019-11-19 21:21:43,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e5df8ef/61ce6c3b791b46538d27cc6b160f1ffd/FLAG4b6d6e919 [2019-11-19 21:21:44,356 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:21:44,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2019-11-19 21:21:44,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e5df8ef/61ce6c3b791b46538d27cc6b160f1ffd/FLAG4b6d6e919 [2019-11-19 21:21:44,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e5df8ef/61ce6c3b791b46538d27cc6b160f1ffd [2019-11-19 21:21:44,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:21:44,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:21:44,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:21:44,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:21:44,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:21:44,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:21:44" (1/1) ... [2019-11-19 21:21:44,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebf35e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:44, skipping insertion in model container [2019-11-19 21:21:44,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:21:44" (1/1) ... [2019-11-19 21:21:44,737 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:21:44,805 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:21:45,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:21:45,257 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:21:45,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:21:45,391 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:21:45,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45 WrapperNode [2019-11-19 21:21:45,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:21:45,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:21:45,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:21:45,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:21:45,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:21:45,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:21:45,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:21:45,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:21:45,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... [2019-11-19 21:21:45,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:21:45,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:21:45,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:21:45,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:21:45,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:21:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:21:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:21:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:21:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:21:46,275 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:21:46,275 INFO L285 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-19 21:21:46,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:46 BoogieIcfgContainer [2019-11-19 21:21:46,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:21:46,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:21:46,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:21:46,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:21:46,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:21:44" (1/3) ... [2019-11-19 21:21:46,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ba5a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:21:46, skipping insertion in model container [2019-11-19 21:21:46,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:45" (2/3) ... [2019-11-19 21:21:46,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ba5a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:21:46, skipping insertion in model container [2019-11-19 21:21:46,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:46" (3/3) ... [2019-11-19 21:21:46,285 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2019-11-19 21:21:46,295 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:21:46,302 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:21:46,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:21:46,339 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:21:46,339 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:21:46,339 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:21:46,340 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:21:46,341 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:21:46,341 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:21:46,341 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:21:46,342 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:21:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-19 21:21:46,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 21:21:46,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:46,371 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:21:46,371 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:46,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:46,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-11-19 21:21:46,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:46,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212425690] [2019-11-19 21:21:46,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:46,637 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 21:21:46,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212425690] [2019-11-19 21:21:46,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:46,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:21:46,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985700887] [2019-11-19 21:21:46,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:21:46,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:46,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:21:46,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:21:46,663 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-11-19 21:21:46,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:46,690 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-11-19 21:21:46,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:21:46,692 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-19 21:21:46,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:46,703 INFO L225 Difference]: With dead ends: 112 [2019-11-19 21:21:46,703 INFO L226 Difference]: Without dead ends: 55 [2019-11-19 21:21:46,707 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 21:21:46,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-19 21:21:46,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-19 21:21:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-19 21:21:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-11-19 21:21:46,745 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-11-19 21:21:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:46,745 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-11-19 21:21:46,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:21:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-19 21:21:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:21:46,747 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:46,747 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:21:46,748 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:46,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:46,748 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-11-19 21:21:46,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:46,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932154156] [2019-11-19 21:21:46,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:46,901 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 21:21:46,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932154156] [2019-11-19 21:21:46,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:46,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:21:46,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302750494] [2019-11-19 21:21:46,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:21:46,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:46,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:21:46,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:21:46,905 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-11-19 21:21:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:46,914 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-11-19 21:21:46,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:21:46,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-19 21:21:46,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:46,917 INFO L225 Difference]: With dead ends: 55 [2019-11-19 21:21:46,917 INFO L226 Difference]: Without dead ends: 29 [2019-11-19 21:21:46,918 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 21:21:46,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-19 21:21:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-19 21:21:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-19 21:21:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-19 21:21:46,924 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-11-19 21:21:46,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:46,925 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-19 21:21:46,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:21:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-19 21:21:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:21:46,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:46,927 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] [2019-11-19 21:21:46,927 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:46,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:46,927 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-11-19 21:21:46,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:46,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144405236] [2019-11-19 21:21:46,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:47,072 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 21:21:47,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144405236] [2019-11-19 21:21:47,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:47,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:21:47,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809729993] [2019-11-19 21:21:47,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:21:47,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:47,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:21:47,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:21:47,079 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2019-11-19 21:21:47,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:47,231 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2019-11-19 21:21:47,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:21:47,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-19 21:21:47,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:47,238 INFO L225 Difference]: With dead ends: 98 [2019-11-19 21:21:47,238 INFO L226 Difference]: Without dead ends: 75 [2019-11-19 21:21:47,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:21:47,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-19 21:21:47,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2019-11-19 21:21:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-19 21:21:47,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-11-19 21:21:47,265 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-11-19 21:21:47,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:47,266 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-11-19 21:21:47,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:21:47,267 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-11-19 21:21:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:21:47,269 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:47,269 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] [2019-11-19 21:21:47,270 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:47,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:47,271 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-11-19 21:21:47,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:47,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052690816] [2019-11-19 21:21:47,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:47,400 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 21:21:47,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052690816] [2019-11-19 21:21:47,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:47,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:21:47,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135725012] [2019-11-19 21:21:47,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:21:47,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:47,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:21:47,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:21:47,404 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-11-19 21:21:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:47,511 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2019-11-19 21:21:47,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:21:47,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-19 21:21:47,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:47,513 INFO L225 Difference]: With dead ends: 214 [2019-11-19 21:21:47,514 INFO L226 Difference]: Without dead ends: 172 [2019-11-19 21:21:47,515 INFO L630 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 [2019-11-19 21:21:47,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-11-19 21:21:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2019-11-19 21:21:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-19 21:21:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2019-11-19 21:21:47,531 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2019-11-19 21:21:47,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:47,532 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2019-11-19 21:21:47,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:21:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2019-11-19 21:21:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 21:21:47,534 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:47,534 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] [2019-11-19 21:21:47,534 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:47,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:47,535 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2019-11-19 21:21:47,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:47,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97088843] [2019-11-19 21:21:47,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:47,596 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 21:21:47,596 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97088843] [2019-11-19 21:21:47,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:47,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:21:47,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963544742] [2019-11-19 21:21:47,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:21:47,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:47,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:21:47,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:21:47,599 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2019-11-19 21:21:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:47,669 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2019-11-19 21:21:47,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:21:47,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-19 21:21:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:47,671 INFO L225 Difference]: With dead ends: 268 [2019-11-19 21:21:47,671 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:21:47,673 INFO L630 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 [2019-11-19 21:21:47,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:21:47,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:21:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:21:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:21:47,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-19 21:21:47,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:47,675 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:21:47,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:21:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:21:47,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:21:47,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:21:47,935 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2019-11-19 21:21:47,935 INFO L444 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-19 21:21:47,935 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:21:47,935 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 274) no Hoare annotation was computed. [2019-11-19 21:21:47,935 INFO L440 ceAbstractionStarter]: At program point L268-1(lines 268 274) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,936 INFO L440 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-11-19 21:21:47,936 INFO L440 ceAbstractionStarter]: At program point L137(lines 1 856) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 21:21:47,936 INFO L447 ceAbstractionStarter]: At program point L452(lines 433 455) the Hoare annotation is: true [2019-11-19 21:21:47,936 INFO L444 ceAbstractionStarter]: For program point L287(lines 287 291) no Hoare annotation was computed. [2019-11-19 21:21:47,936 INFO L444 ceAbstractionStarter]: For program point L287-3(lines 287 291) no Hoare annotation was computed. [2019-11-19 21:21:47,936 INFO L444 ceAbstractionStarter]: For program point L287-6(lines 287 291) no Hoare annotation was computed. [2019-11-19 21:21:47,937 INFO L444 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-19 21:21:47,937 INFO L440 ceAbstractionStarter]: At program point L172(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,937 INFO L440 ceAbstractionStarter]: At program point L172-1(lines 172 178) the Hoare annotation is: false [2019-11-19 21:21:47,937 INFO L440 ceAbstractionStarter]: At program point L172-2(lines 172 178) the Hoare annotation is: false [2019-11-19 21:21:47,937 INFO L440 ceAbstractionStarter]: At program point L420(lines 416 422) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-19 21:21:47,938 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-19 21:21:47,938 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:21:47,938 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-19 21:21:47,938 INFO L440 ceAbstractionStarter]: At program point L91-1(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,938 INFO L440 ceAbstractionStarter]: At program point L372-2(lines 372 386) the Hoare annotation is: false [2019-11-19 21:21:47,938 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-19 21:21:47,939 INFO L440 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,939 INFO L440 ceAbstractionStarter]: At program point L224(lines 219 227) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,939 INFO L440 ceAbstractionStarter]: At program point L224-1(lines 219 227) the Hoare annotation is: false [2019-11-19 21:21:47,939 INFO L440 ceAbstractionStarter]: At program point L224-2(lines 219 227) the Hoare annotation is: false [2019-11-19 21:21:47,939 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2019-11-19 21:21:47,940 INFO L444 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-11-19 21:21:47,940 INFO L440 ceAbstractionStarter]: At program point L324(lines 319 327) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,940 INFO L440 ceAbstractionStarter]: At program point L324-1(lines 319 327) the Hoare annotation is: false [2019-11-19 21:21:47,940 INFO L440 ceAbstractionStarter]: At program point L324-2(lines 319 327) the Hoare annotation is: false [2019-11-19 21:21:47,940 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:21:47,941 INFO L444 ceAbstractionStarter]: For program point L474(lines 474 487) no Hoare annotation was computed. [2019-11-19 21:21:47,941 INFO L440 ceAbstractionStarter]: At program point L474-1(lines 1 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,941 INFO L444 ceAbstractionStarter]: For program point L474-2(lines 474 487) no Hoare annotation was computed. [2019-11-19 21:21:47,941 INFO L440 ceAbstractionStarter]: At program point L474-3(lines 1 856) the Hoare annotation is: false [2019-11-19 21:21:47,941 INFO L444 ceAbstractionStarter]: For program point L474-4(lines 474 487) no Hoare annotation was computed. [2019-11-19 21:21:47,941 INFO L440 ceAbstractionStarter]: At program point L474-5(lines 1 856) the Hoare annotation is: false [2019-11-19 21:21:47,942 INFO L444 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2019-11-19 21:21:47,942 INFO L444 ceAbstractionStarter]: For program point L376-1(lines 165 171) no Hoare annotation was computed. [2019-11-19 21:21:47,942 INFO L440 ceAbstractionStarter]: At program point L145(lines 140 148) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-19 21:21:47,942 INFO L444 ceAbstractionStarter]: For program point L443(lines 443 450) no Hoare annotation was computed. [2019-11-19 21:21:47,942 INFO L447 ceAbstractionStarter]: At program point L443-1(lines 443 450) the Hoare annotation is: true [2019-11-19 21:21:47,942 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 315) no Hoare annotation was computed. [2019-11-19 21:21:47,943 INFO L444 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-19 21:21:47,943 INFO L444 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2019-11-19 21:21:47,943 INFO L444 ceAbstractionStarter]: For program point L461-2(line 461) no Hoare annotation was computed. [2019-11-19 21:21:47,943 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-19 21:21:47,943 INFO L440 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,943 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:21:47,944 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-11-19 21:21:47,944 INFO L444 ceAbstractionStarter]: For program point L478-2(lines 478 484) no Hoare annotation was computed. [2019-11-19 21:21:47,944 INFO L444 ceAbstractionStarter]: For program point L478-4(lines 478 484) no Hoare annotation was computed. [2019-11-19 21:21:47,944 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2019-11-19 21:21:47,944 INFO L440 ceAbstractionStarter]: At program point L165(lines 164 183) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:47,945 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2019-11-19 21:21:47,945 INFO L440 ceAbstractionStarter]: At program point L165-2(lines 164 183) the Hoare annotation is: false [2019-11-19 21:21:47,945 INFO L440 ceAbstractionStarter]: At program point L165-3(lines 164 183) the Hoare annotation is: false [2019-11-19 21:21:47,945 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 303) no Hoare annotation was computed. [2019-11-19 21:21:47,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:21:47 BoogieIcfgContainer [2019-11-19 21:21:47,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:21:47,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:21:47,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:21:47,964 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:21:47,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:46" (3/4) ... [2019-11-19 21:21:47,968 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:21:47,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:21:47,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:21:47,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:21:47,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:21:47,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:21:47,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:21:48,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-19 21:21:48,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-19 21:21:48,019 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:21:48,066 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:21:48,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:21:48,070 INFO L168 Benchmark]: Toolchain (without parser) took 3352.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 961.7 MB in the beginning and 907.9 MB in the end (delta: 53.8 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:48,071 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:21:48,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:48,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.04 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 21:21:48,072 INFO L168 Benchmark]: Boogie Preprocessor took 36.26 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 21:21:48,073 INFO L168 Benchmark]: RCFGBuilder took 777.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:48,073 INFO L168 Benchmark]: TraceAbstraction took 1685.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 914.6 MB in the end (delta: 133.6 MB). Peak memory consumption was 133.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:48,074 INFO L168 Benchmark]: Witness Printer took 102.54 ms. Allocated memory is still 1.2 GB. Free memory was 914.6 MB in the beginning and 907.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:48,076 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 676.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.04 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 36.26 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 777.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1685.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 914.6 MB in the end (delta: 133.6 MB). Peak memory consumption was 133.6 MB. Max. memory is 11.5 GB. * Witness Printer took 102.54 ms. Allocated memory is still 1.2 GB. Free memory was 914.6 MB in the beginning and 907.9 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: - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 461]: 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: 416]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 268 SDtfs, 396 SDslu, 428 SDs, 0 SdLazy, 56 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4452 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...