./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_product25.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 920725b4778fe7902e2cc2a93ab39c30358d9d16 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:20:07,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:20:07,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:20:07,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:20:07,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:20:07,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:20:07,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:20:07,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:20:07,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:20:07,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:20:07,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:20:07,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:20:07,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:20:07,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:20:07,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:20:07,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:20:07,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:20:07,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:20:07,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:20:07,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:20:07,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:20:07,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:20:07,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:20:07,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:20:07,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:20:07,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:20:07,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:20:07,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:20:07,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:20:07,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:20:07,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:20:07,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:20:07,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:20:07,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:20:07,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:20:07,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:20:07,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:20:07,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:20:07,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:20:07,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:20:07,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:20:07,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:20:07,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:20:07,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:20:07,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:20:07,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:20:07,522 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:20:07,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:20:07,522 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:20:07,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:20:07,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:20:07,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:20:07,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:20:07,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:20:07,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:20:07,524 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:20:07,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:20:07,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:20:07,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:20:07,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:20:07,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:20:07,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:20:07,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:20:07,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:20:07,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:20:07,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:20:07,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:20:07,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:20:07,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:20:07,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:20:07,529 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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-11-28 00:20:07,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:20:07,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:20:07,854 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:20:07,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:20:07,856 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:20:07,857 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-28 00:20:07,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71dce0e9/dd4506e2868048c19229abd1185fc8c1/FLAG40e7c584a [2019-11-28 00:20:08,536 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:20:08,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-28 00:20:08,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71dce0e9/dd4506e2868048c19229abd1185fc8c1/FLAG40e7c584a [2019-11-28 00:20:08,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71dce0e9/dd4506e2868048c19229abd1185fc8c1 [2019-11-28 00:20:08,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:20:08,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:20:08,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:08,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:20:08,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:20:08,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:08" (1/1) ... [2019-11-28 00:20:08,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d92780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:08, skipping insertion in model container [2019-11-28 00:20:08,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:08" (1/1) ... [2019-11-28 00:20:08,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:20:08,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:20:09,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:09,268 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:20:09,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:09,405 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:20:09,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09 WrapperNode [2019-11-28 00:20:09,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:09,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:09,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:20:09,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:20:09,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:09,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:20:09,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:20:09,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:20:09,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (1/1) ... [2019-11-28 00:20:09,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:20:09,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:20:09,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:20:09,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:20:09,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (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 [2019-11-28 00:20:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:20:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:20:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:20:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:20:10,358 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:20:10,358 INFO L297 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-28 00:20:10,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:10 BoogieIcfgContainer [2019-11-28 00:20:10,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:20:10,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:20:10,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:20:10,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:20:10,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:20:08" (1/3) ... [2019-11-28 00:20:10,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d38a825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:10, skipping insertion in model container [2019-11-28 00:20:10,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:09" (2/3) ... [2019-11-28 00:20:10,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d38a825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:10, skipping insertion in model container [2019-11-28 00:20:10,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:10" (3/3) ... [2019-11-28 00:20:10,375 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2019-11-28 00:20:10,386 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:20:10,395 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:20:10,408 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:20:10,443 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:20:10,444 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:20:10,444 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:20:10,444 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:20:10,444 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:20:10,444 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:20:10,445 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:20:10,445 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:20:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-28 00:20:10,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:20:10,467 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:10,468 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:10,469 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:10,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:10,474 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-11-28 00:20:10,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:10,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289593642] [2019-11-28 00:20:10,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:10,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289593642] [2019-11-28 00:20:10,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:10,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:20:10,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869020329] [2019-11-28 00:20:10,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:20:10,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:10,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:20:10,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:20:10,783 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-28 00:20:10,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:10,835 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-28 00:20:10,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:20:10,838 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:20:10,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:10,856 INFO L225 Difference]: With dead ends: 144 [2019-11-28 00:20:10,856 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 00:20:10,862 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 [2019-11-28 00:20:10,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 00:20:10,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-28 00:20:10,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 00:20:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-28 00:20:10,910 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-11-28 00:20:10,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:10,910 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 00:20:10,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:20:10,911 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-28 00:20:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:20:10,912 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:10,912 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:10,913 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:10,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:10,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-11-28 00:20:10,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:10,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911129140] [2019-11-28 00:20:10,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:11,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911129140] [2019-11-28 00:20:11,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:11,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:20:11,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581101687] [2019-11-28 00:20:11,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:20:11,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:11,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:20:11,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:20:11,052 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-28 00:20:11,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:11,078 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-28 00:20:11,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:20:11,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:20:11,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:11,081 INFO L225 Difference]: With dead ends: 71 [2019-11-28 00:20:11,082 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 00:20:11,084 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 [2019-11-28 00:20:11,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 00:20:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 00:20:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:20:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-28 00:20:11,096 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-28 00:20:11,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:11,097 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-28 00:20:11,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:20:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-28 00:20:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:20:11,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:11,098 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] [2019-11-28 00:20:11,098 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:11,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:11,099 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-11-28 00:20:11,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:11,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792441308] [2019-11-28 00:20:11,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:11,275 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792441308] [2019-11-28 00:20:11,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:11,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:20:11,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337051821] [2019-11-28 00:20:11,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:20:11,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:11,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:20:11,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:20:11,280 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-11-28 00:20:11,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:11,407 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-28 00:20:11,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:20:11,410 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 00:20:11,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:11,413 INFO L225 Difference]: With dead ends: 60 [2019-11-28 00:20:11,413 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 00:20:11,415 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 [2019-11-28 00:20:11,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 00:20:11,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 00:20:11,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:20:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-28 00:20:11,424 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-11-28 00:20:11,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:11,427 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-28 00:20:11,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:20:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-28 00:20:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 00:20:11,429 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:11,429 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] [2019-11-28 00:20:11,430 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:11,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:11,430 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-11-28 00:20:11,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:11,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034403073] [2019-11-28 00:20:11,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:11,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034403073] [2019-11-28 00:20:11,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:11,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:20:11,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367818684] [2019-11-28 00:20:11,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:20:11,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:11,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:20:11,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:20:11,581 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-11-28 00:20:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:11,703 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-11-28 00:20:11,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:20:11,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 00:20:11,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:11,705 INFO L225 Difference]: With dead ends: 151 [2019-11-28 00:20:11,705 INFO L226 Difference]: Without dead ends: 124 [2019-11-28 00:20:11,706 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 [2019-11-28 00:20:11,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-28 00:20:11,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2019-11-28 00:20:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-28 00:20:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2019-11-28 00:20:11,718 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2019-11-28 00:20:11,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:11,718 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2019-11-28 00:20:11,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:20:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2019-11-28 00:20:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:20:11,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:11,720 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:11,720 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:11,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:11,721 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2019-11-28 00:20:11,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:11,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737896956] [2019-11-28 00:20:11,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:20:11,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737896956] [2019-11-28 00:20:11,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:11,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:20:11,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528803328] [2019-11-28 00:20:11,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:20:11,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:11,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:20:11,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:20:11,812 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2019-11-28 00:20:11,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:11,890 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2019-11-28 00:20:11,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:20:11,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 00:20:11,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:11,892 INFO L225 Difference]: With dead ends: 148 [2019-11-28 00:20:11,892 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:20:11,893 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 [2019-11-28 00:20:11,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:20:11,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:20:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:20:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:20:11,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-28 00:20:11,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:11,895 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:20:11,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:20:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:20:11,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:20:11,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:20:12,171 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2019-11-28 00:20:12,171 INFO L246 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2019-11-28 00:20:12,172 INFO L242 CegarLoopResult]: At program point L184-1(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:12,172 INFO L246 CegarLoopResult]: For program point L184-2(lines 184 197) no Hoare annotation was computed. [2019-11-28 00:20:12,172 INFO L242 CegarLoopResult]: At program point L184-3(lines 1 911) the Hoare annotation is: false [2019-11-28 00:20:12,172 INFO L246 CegarLoopResult]: For program point L184-4(lines 184 197) no Hoare annotation was computed. [2019-11-28 00:20:12,172 INFO L242 CegarLoopResult]: At program point L184-5(lines 1 911) the Hoare annotation is: false [2019-11-28 00:20:12,173 INFO L246 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-11-28 00:20:12,173 INFO L246 CegarLoopResult]: For program point L432-2(lines 222 228) no Hoare annotation was computed. [2019-11-28 00:20:12,173 INFO L246 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2019-11-28 00:20:12,173 INFO L242 CegarLoopResult]: At program point L416-1(lines 416 422) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:12,173 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:20:12,173 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:20:12,174 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:20:12,174 INFO L246 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-11-28 00:20:12,174 INFO L246 CegarLoopResult]: For program point L466-1(lines 222 228) no Hoare annotation was computed. [2019-11-28 00:20:12,174 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:20:12,174 INFO L242 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:12,174 INFO L246 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2019-11-28 00:20:12,175 INFO L249 CegarLoopResult]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2019-11-28 00:20:12,175 INFO L246 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2019-11-28 00:20:12,175 INFO L246 CegarLoopResult]: For program point L254-1(lines 254 271) no Hoare annotation was computed. [2019-11-28 00:20:12,175 INFO L246 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2019-11-28 00:20:12,175 INFO L246 CegarLoopResult]: For program point L254-2(lines 254 271) no Hoare annotation was computed. [2019-11-28 00:20:12,175 INFO L246 CegarLoopResult]: For program point L188-2(lines 188 194) no Hoare annotation was computed. [2019-11-28 00:20:12,175 INFO L246 CegarLoopResult]: For program point L188-4(lines 188 194) no Hoare annotation was computed. [2019-11-28 00:20:12,176 INFO L242 CegarLoopResult]: At program point L222(lines 221 240) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:12,176 INFO L246 CegarLoopResult]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2019-11-28 00:20:12,176 INFO L242 CegarLoopResult]: At program point L222-2(lines 221 240) the Hoare annotation is: false [2019-11-28 00:20:12,176 INFO L242 CegarLoopResult]: At program point L222-3(lines 221 240) the Hoare annotation is: false [2019-11-28 00:20:12,176 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:12,177 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-11-28 00:20:12,177 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-11-28 00:20:12,177 INFO L246 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2019-11-28 00:20:12,177 INFO L246 CegarLoopResult]: For program point L206-1(line 206) no Hoare annotation was computed. [2019-11-28 00:20:12,177 INFO L246 CegarLoopResult]: For program point L206-2(line 206) no Hoare annotation was computed. [2019-11-28 00:20:12,177 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:20:12,178 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2019-11-28 00:20:12,180 INFO L246 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2019-11-28 00:20:12,180 INFO L242 CegarLoopResult]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:12,180 INFO L246 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2019-11-28 00:20:12,180 INFO L246 CegarLoopResult]: For program point L258-1(lines 258 266) no Hoare annotation was computed. [2019-11-28 00:20:12,181 INFO L246 CegarLoopResult]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2019-11-28 00:20:12,181 INFO L246 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2019-11-28 00:20:12,181 INFO L246 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2019-11-28 00:20:12,181 INFO L246 CegarLoopResult]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2019-11-28 00:20:12,181 INFO L246 CegarLoopResult]: For program point L374-5(lines 374 378) no Hoare annotation was computed. [2019-11-28 00:20:12,181 INFO L246 CegarLoopResult]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2019-11-28 00:20:12,182 INFO L246 CegarLoopResult]: For program point L374-8(lines 374 378) no Hoare annotation was computed. [2019-11-28 00:20:12,182 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 00:20:12,182 INFO L242 CegarLoopResult]: At program point L325(lines 320 328) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:12,182 INFO L242 CegarLoopResult]: At program point L325-1(lines 320 328) the Hoare annotation is: false [2019-11-28 00:20:12,182 INFO L242 CegarLoopResult]: At program point L325-2(lines 320 328) the Hoare annotation is: false [2019-11-28 00:20:12,182 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:20:12,183 INFO L242 CegarLoopResult]: At program point L161(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:12,183 INFO L242 CegarLoopResult]: At program point L442(lines 395 443) the Hoare annotation is: false [2019-11-28 00:20:12,183 INFO L246 CegarLoopResult]: For program point L426(lines 426 437) no Hoare annotation was computed. [2019-11-28 00:20:12,183 INFO L249 CegarLoopResult]: At program point L542(lines 523 545) the Hoare annotation is: true [2019-11-28 00:20:12,183 INFO L242 CegarLoopResult]: At program point L229(lines 229 235) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:12,184 INFO L242 CegarLoopResult]: At program point L229-1(lines 229 235) the Hoare annotation is: false [2019-11-28 00:20:12,184 INFO L242 CegarLoopResult]: At program point L229-2(lines 229 235) the Hoare annotation is: false [2019-11-28 00:20:12,184 INFO L242 CegarLoopResult]: At program point L510(lines 506 512) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:12,184 INFO L242 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:12,184 INFO L242 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:12,185 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:20:12,188 INFO L242 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:12,189 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:20:12,189 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2019-11-28 00:20:12,189 INFO L242 CegarLoopResult]: At program point L462-2(lines 462 476) the Hoare annotation is: false [2019-11-28 00:20:12,190 INFO L242 CegarLoopResult]: At program point L380(lines 365 383) the Hoare annotation is: false [2019-11-28 00:20:12,190 INFO L242 CegarLoopResult]: At program point L380-1(lines 365 383) the Hoare annotation is: false [2019-11-28 00:20:12,190 INFO L242 CegarLoopResult]: At program point L380-2(lines 365 383) the Hoare annotation is: false [2019-11-28 00:20:12,192 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 00:20:12,192 INFO L246 CegarLoopResult]: For program point L397(lines 396 441) no Hoare annotation was computed. [2019-11-28 00:20:12,192 INFO L246 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2019-11-28 00:20:12,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:20:12 BoogieIcfgContainer [2019-11-28 00:20:12,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:20:12,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:20:12,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:20:12,234 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:20:12,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:10" (3/4) ... [2019-11-28 00:20:12,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:20:12,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:20:12,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:20:12,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:20:12,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:20:12,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:20:12,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:20:12,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:20:12,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:20:12,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:20:12,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:12,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:12,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:12,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:12,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:12,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:12,304 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:12,383 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:20:12,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:20:12,386 INFO L168 Benchmark]: Toolchain (without parser) took 3608.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 960.3 MB in the beginning and 909.1 MB in the end (delta: 51.2 MB). Peak memory consumption was 179.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:12,386 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-28 00:20:12,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:12,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.07 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. [2019-11-28 00:20:12,388 INFO L168 Benchmark]: Boogie Preprocessor took 42.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:12,388 INFO L168 Benchmark]: RCFGBuilder took 840.86 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:12,389 INFO L168 Benchmark]: TraceAbstraction took 1871.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 915.9 MB in the end (delta: 121.8 MB). Peak memory consumption was 121.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:12,389 INFO L168 Benchmark]: Witness Printer took 150.35 ms. Allocated memory is still 1.2 GB. Free memory was 915.9 MB in the beginning and 909.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:12,391 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 628.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.07 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. * Boogie Preprocessor took 42.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 840.86 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1871.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 915.9 MB in the end (delta: 121.8 MB). Peak memory consumption was 121.8 MB. Max. memory is 11.5 GB. * Witness Printer took 150.35 ms. Allocated memory is still 1.2 GB. Free memory was 915.9 MB in the beginning and 909.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 206]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 206]: 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: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 309 SDtfs, 396 SDslu, 266 SDs, 0 SdLazy, 44 SolverSat, 9 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1481 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 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...