./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product23.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_spec2_product23.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 04a2c328d9e0793c06665765e370a46edcd58ae6 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:20:51,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:20:51,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:20:51,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:20:51,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:20:51,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:20:51,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:20:51,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:20:51,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:20:51,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:20:51,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:20:51,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:20:51,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:20:51,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:20:51,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:20:51,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:20:51,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:20:51,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:20:51,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:20:51,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:20:51,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:20:51,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:20:51,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:20:51,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:20:51,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:20:51,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:20:51,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:20:51,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:20:51,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:20:51,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:20:51,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:20:51,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:20:51,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:20:51,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:20:51,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:20:51,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:20:51,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:20:51,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:20:51,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:20:51,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:20:51,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:20:51,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:20:51,357 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:20:51,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:20:51,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:20:51,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:20:51,360 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:20:51,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:20:51,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:20:51,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:20:51,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:20:51,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:20:51,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:20:51,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:20:51,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:20:51,364 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:20:51,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:20:51,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:20:51,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:20:51,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:20:51,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:20:51,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:20:51,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:20:51,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:20:51,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:20:51,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:20:51,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:20:51,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:20:51,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:20:51,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:20:51,369 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 -> 04a2c328d9e0793c06665765e370a46edcd58ae6 [2019-11-28 00:20:51,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:20:51,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:20:51,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:20:51,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:20:51,723 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:20:51,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2019-11-28 00:20:51,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff24ac421/f85a4f0df2944ce1a2c35b5e548394a2/FLAG74b0026dc [2019-11-28 00:20:52,351 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:20:52,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2019-11-28 00:20:52,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff24ac421/f85a4f0df2944ce1a2c35b5e548394a2/FLAG74b0026dc [2019-11-28 00:20:52,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff24ac421/f85a4f0df2944ce1a2c35b5e548394a2 [2019-11-28 00:20:52,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:20:52,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:20:52,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:52,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:20:52,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:20:52,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:52" (1/1) ... [2019-11-28 00:20:52,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce269f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:52, skipping insertion in model container [2019-11-28 00:20:52,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:20:52" (1/1) ... [2019-11-28 00:20:52,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:20:52,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:20:53,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:53,125 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:20:53,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:20:53,309 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:20:53,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53 WrapperNode [2019-11-28 00:20:53,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:20:53,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:53,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:20:53,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:20:53,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:20:53,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:20:53,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:20:53,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:20:53,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (1/1) ... [2019-11-28 00:20:53,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:20:53,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:20:53,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:20:53,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:20:53,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (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 00:20:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:20:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:20:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:20:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:20:54,444 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:20:54,445 INFO L297 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 00:20:54,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:54 BoogieIcfgContainer [2019-11-28 00:20:54,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:20:54,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:20:54,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:20:54,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:20:54,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:20:52" (1/3) ... [2019-11-28 00:20:54,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a38a910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:54, skipping insertion in model container [2019-11-28 00:20:54,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:20:53" (2/3) ... [2019-11-28 00:20:54,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a38a910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:20:54, skipping insertion in model container [2019-11-28 00:20:54,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:54" (3/3) ... [2019-11-28 00:20:54,460 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2019-11-28 00:20:54,468 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:20:54,474 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:20:54,483 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:20:54,504 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:20:54,505 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:20:54,505 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:20:54,505 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:20:54,505 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:20:54,506 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:20:54,506 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:20:54,506 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:20:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-11-28 00:20:54,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:20:54,538 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:54,539 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:54,540 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:54,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:54,546 INFO L82 PathProgramCache]: Analyzing trace with hash 280793572, now seen corresponding path program 1 times [2019-11-28 00:20:54,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:54,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795586955] [2019-11-28 00:20:54,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:54,877 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 00:20:54,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795586955] [2019-11-28 00:20:54,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:54,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:20:54,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127843967] [2019-11-28 00:20:54,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:20:54,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:54,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:20:54,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:20:54,901 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-11-28 00:20:54,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:54,939 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2019-11-28 00:20:54,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:20:54,941 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:20:54,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:54,956 INFO L225 Difference]: With dead ends: 215 [2019-11-28 00:20:54,958 INFO L226 Difference]: Without dead ends: 107 [2019-11-28 00:20:54,964 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 00:20:54,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-28 00:20:55,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-28 00:20:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-28 00:20:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2019-11-28 00:20:55,053 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2019-11-28 00:20:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:55,055 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2019-11-28 00:20:55,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:20:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2019-11-28 00:20:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:20:55,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:55,062 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:55,062 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:55,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:55,063 INFO L82 PathProgramCache]: Analyzing trace with hash 61957603, now seen corresponding path program 1 times [2019-11-28 00:20:55,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:55,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026818039] [2019-11-28 00:20:55,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:55,210 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 00:20:55,210 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026818039] [2019-11-28 00:20:55,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:55,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:20:55,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386956975] [2019-11-28 00:20:55,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:20:55,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:55,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:20:55,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:20:55,215 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2019-11-28 00:20:55,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:55,231 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2019-11-28 00:20:55,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:20:55,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:20:55,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:55,233 INFO L225 Difference]: With dead ends: 107 [2019-11-28 00:20:55,233 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 00:20:55,235 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 00:20:55,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 00:20:55,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 00:20:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 00:20:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-28 00:20:55,242 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-11-28 00:20:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:55,243 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-28 00:20:55,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:20:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-28 00:20:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:20:55,245 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:55,245 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 00:20:55,245 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:55,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:55,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2019-11-28 00:20:55,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:55,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934064518] [2019-11-28 00:20:55,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:55,365 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 00:20:55,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934064518] [2019-11-28 00:20:55,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:55,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:20:55,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526892397] [2019-11-28 00:20:55,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:20:55,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:55,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:20:55,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:20:55,368 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 6 states. [2019-11-28 00:20:55,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:55,479 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-11-28 00:20:55,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:20:55,479 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-28 00:20:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:55,481 INFO L225 Difference]: With dead ends: 151 [2019-11-28 00:20:55,481 INFO L226 Difference]: Without dead ends: 111 [2019-11-28 00:20:55,482 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 00:20:55,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-28 00:20:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 67. [2019-11-28 00:20:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-28 00:20:55,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2019-11-28 00:20:55,501 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2019-11-28 00:20:55,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:55,502 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2019-11-28 00:20:55,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:20:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2019-11-28 00:20:55,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:20:55,510 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:55,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:55,511 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:55,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:55,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2019-11-28 00:20:55,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:55,512 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423163879] [2019-11-28 00:20:55,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:55,604 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 00:20:55,604 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423163879] [2019-11-28 00:20:55,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:55,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:20:55,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176050645] [2019-11-28 00:20:55,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:20:55,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:55,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:20:55,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:20:55,606 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand 5 states. [2019-11-28 00:20:55,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:55,744 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2019-11-28 00:20:55,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:20:55,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 00:20:55,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:55,750 INFO L225 Difference]: With dead ends: 314 [2019-11-28 00:20:55,750 INFO L226 Difference]: Without dead ends: 254 [2019-11-28 00:20:55,753 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 00:20:55,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-11-28 00:20:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2019-11-28 00:20:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-28 00:20:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2019-11-28 00:20:55,794 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2019-11-28 00:20:55,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:55,795 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2019-11-28 00:20:55,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:20:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2019-11-28 00:20:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:20:55,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:20:55,798 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:20:55,798 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:20:55,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:20:55,799 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2019-11-28 00:20:55,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:20:55,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056078614] [2019-11-28 00:20:55,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:20:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:20:55,885 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 00:20:55,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056078614] [2019-11-28 00:20:55,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:20:55,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:20:55,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007695732] [2019-11-28 00:20:55,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:20:55,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:20:55,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:20:55,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:20:55,888 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 5 states. [2019-11-28 00:20:55,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:20:55,979 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2019-11-28 00:20:55,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:20:55,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 00:20:55,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:20:55,980 INFO L225 Difference]: With dead ends: 315 [2019-11-28 00:20:55,980 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:20:55,981 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 00:20:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:20:55,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:20:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:20:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:20:55,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-11-28 00:20:55,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:20:55,983 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:20:55,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:20:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:20:55,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:20:55,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:20:56,260 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-11-28 00:20:56,261 INFO L246 CegarLoopResult]: For program point L664(lines 664 681) no Hoare annotation was computed. [2019-11-28 00:20:56,261 INFO L246 CegarLoopResult]: For program point L664-1(lines 664 681) no Hoare annotation was computed. [2019-11-28 00:20:56,261 INFO L246 CegarLoopResult]: For program point L664-2(lines 664 681) no Hoare annotation was computed. [2019-11-28 00:20:56,261 INFO L246 CegarLoopResult]: For program point L664-3(lines 664 681) no Hoare annotation was computed. [2019-11-28 00:20:56,261 INFO L246 CegarLoopResult]: For program point L664-4(lines 664 681) no Hoare annotation was computed. [2019-11-28 00:20:56,262 INFO L246 CegarLoopResult]: For program point L664-5(lines 664 681) no Hoare annotation was computed. [2019-11-28 00:20:56,262 INFO L242 CegarLoopResult]: At program point L632(lines 631 650) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,262 INFO L246 CegarLoopResult]: For program point L632-1(lines 632 638) no Hoare annotation was computed. [2019-11-28 00:20:56,262 INFO L246 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2019-11-28 00:20:56,263 INFO L242 CegarLoopResult]: At program point L632-2(lines 631 650) the Hoare annotation is: false [2019-11-28 00:20:56,263 INFO L242 CegarLoopResult]: At program point L632-3(lines 631 650) the Hoare annotation is: false [2019-11-28 00:20:56,263 INFO L242 CegarLoopResult]: At program point L798(lines 783 801) the Hoare annotation is: false [2019-11-28 00:20:56,263 INFO L242 CegarLoopResult]: At program point L798-1(lines 783 801) the Hoare annotation is: false [2019-11-28 00:20:56,263 INFO L242 CegarLoopResult]: At program point L798-2(lines 783 801) the Hoare annotation is: false [2019-11-28 00:20:56,263 INFO L242 CegarLoopResult]: At program point L798-3(lines 783 801) the Hoare annotation is: false [2019-11-28 00:20:56,264 INFO L242 CegarLoopResult]: At program point L798-4(lines 783 801) the Hoare annotation is: false [2019-11-28 00:20:56,264 INFO L242 CegarLoopResult]: At program point L798-5(lines 783 801) the Hoare annotation is: false [2019-11-28 00:20:56,264 INFO L246 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2019-11-28 00:20:56,264 INFO L246 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2019-11-28 00:20:56,264 INFO L242 CegarLoopResult]: At program point L601-1(lines 632 638) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,264 INFO L242 CegarLoopResult]: At program point L734(lines 727 737) the Hoare annotation is: false [2019-11-28 00:20:56,265 INFO L242 CegarLoopResult]: At program point L734-1(lines 727 737) the Hoare annotation is: false [2019-11-28 00:20:56,265 INFO L246 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2019-11-28 00:20:56,265 INFO L242 CegarLoopResult]: At program point L734-2(lines 727 737) the Hoare annotation is: false [2019-11-28 00:20:56,265 INFO L246 CegarLoopResult]: For program point L668-1(lines 668 676) no Hoare annotation was computed. [2019-11-28 00:20:56,265 INFO L246 CegarLoopResult]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2019-11-28 00:20:56,265 INFO L246 CegarLoopResult]: For program point L668-3(lines 668 676) no Hoare annotation was computed. [2019-11-28 00:20:56,266 INFO L246 CegarLoopResult]: For program point L668-4(lines 668 676) no Hoare annotation was computed. [2019-11-28 00:20:56,266 INFO L246 CegarLoopResult]: For program point L668-5(lines 668 676) no Hoare annotation was computed. [2019-11-28 00:20:56,266 INFO L242 CegarLoopResult]: At program point L867-2(lines 867 881) the Hoare annotation is: false [2019-11-28 00:20:56,266 INFO L246 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2019-11-28 00:20:56,266 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-11-28 00:20:56,267 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 00:20:56,267 INFO L242 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,267 INFO L242 CegarLoopResult]: At program point L639-1(lines 639 645) the Hoare annotation is: false [2019-11-28 00:20:56,267 INFO L242 CegarLoopResult]: At program point L639-2(lines 639 645) the Hoare annotation is: false [2019-11-28 00:20:56,267 INFO L242 CegarLoopResult]: At program point L144(lines 139 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:20:56,267 INFO L246 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-11-28 00:20:56,268 INFO L246 CegarLoopResult]: For program point L871-1(lines 632 638) no Hoare annotation was computed. [2019-11-28 00:20:56,268 INFO L246 CegarLoopResult]: For program point L806(lines 806 812) no Hoare annotation was computed. [2019-11-28 00:20:56,268 INFO L242 CegarLoopResult]: At program point L806-1(lines 806 812) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,268 INFO L246 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-11-28 00:20:56,268 INFO L242 CegarLoopResult]: At program point L575-1(lines 575 581) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,268 INFO L246 CegarLoopResult]: For program point L939(lines 939 946) no Hoare annotation was computed. [2019-11-28 00:20:56,269 INFO L249 CegarLoopResult]: At program point L939-1(lines 939 946) the Hoare annotation is: true [2019-11-28 00:20:56,269 INFO L242 CegarLoopResult]: At program point L743(lines 738 746) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,269 INFO L242 CegarLoopResult]: At program point L743-1(lines 738 746) the Hoare annotation is: false [2019-11-28 00:20:56,269 INFO L242 CegarLoopResult]: At program point L743-2(lines 738 746) the Hoare annotation is: false [2019-11-28 00:20:56,270 INFO L242 CegarLoopResult]: At program point L843(lines 1 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:56,270 INFO L242 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: false [2019-11-28 00:20:56,270 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 00:20:56,270 INFO L246 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2019-11-28 00:20:56,271 INFO L246 CegarLoopResult]: For program point L547-2(line 547) no Hoare annotation was computed. [2019-11-28 00:20:56,271 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:20:56,271 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:20:56,271 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:20:56,272 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 00:20:56,272 INFO L246 CegarLoopResult]: For program point L155(lines 155 172) no Hoare annotation was computed. [2019-11-28 00:20:56,272 INFO L242 CegarLoopResult]: At program point L155-1(lines 1 951) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,273 INFO L246 CegarLoopResult]: For program point L155-2(lines 155 172) no Hoare annotation was computed. [2019-11-28 00:20:56,273 INFO L242 CegarLoopResult]: At program point L155-3(lines 1 951) the Hoare annotation is: false [2019-11-28 00:20:56,273 INFO L246 CegarLoopResult]: For program point L155-4(lines 155 172) no Hoare annotation was computed. [2019-11-28 00:20:56,273 INFO L242 CegarLoopResult]: At program point L155-5(lines 1 951) the Hoare annotation is: false [2019-11-28 00:20:56,274 INFO L249 CegarLoopResult]: At program point L948(lines 929 951) the Hoare annotation is: true [2019-11-28 00:20:56,274 INFO L242 CegarLoopResult]: At program point L915(lines 911 917) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-28 00:20:56,274 INFO L246 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2019-11-28 00:20:56,274 INFO L242 CegarLoopResult]: At program point L585-1(lines 585 591) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,275 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: false [2019-11-28 00:20:56,275 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:20:56,275 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-11-28 00:20:56,276 INFO L242 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2019-11-28 00:20:56,276 INFO L242 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-11-28 00:20:56,276 INFO L242 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-11-28 00:20:56,276 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:20:56,277 INFO L242 CegarLoopResult]: At program point L851(lines 846 854) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:20:56,277 INFO L246 CegarLoopResult]: For program point L159(lines 159 169) no Hoare annotation was computed. [2019-11-28 00:20:56,277 INFO L246 CegarLoopResult]: For program point L159-2(lines 159 169) no Hoare annotation was computed. [2019-11-28 00:20:56,277 INFO L246 CegarLoopResult]: For program point L159-4(lines 159 169) no Hoare annotation was computed. [2019-11-28 00:20:56,278 INFO L246 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2019-11-28 00:20:56,278 INFO L246 CegarLoopResult]: For program point L160-2(lines 160 166) no Hoare annotation was computed. [2019-11-28 00:20:56,278 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:20:56,278 INFO L246 CegarLoopResult]: For program point L160-4(lines 160 166) no Hoare annotation was computed. [2019-11-28 00:20:56,278 INFO L246 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-11-28 00:20:56,279 INFO L246 CegarLoopResult]: For program point L690-1(lines 690 707) no Hoare annotation was computed. [2019-11-28 00:20:56,279 INFO L246 CegarLoopResult]: For program point L690-2(lines 690 707) no Hoare annotation was computed. [2019-11-28 00:20:56,279 INFO L242 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:56,279 INFO L242 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:56,280 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 00:20:56,280 INFO L242 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:56,280 INFO L242 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:56,280 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:20:56,280 INFO L242 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:56,281 INFO L242 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2019-11-28 00:20:56,281 INFO L246 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,281 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-11-28 00:20:56,281 INFO L246 CegarLoopResult]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,282 INFO L246 CegarLoopResult]: For program point L792-3(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,282 INFO L246 CegarLoopResult]: For program point L792-5(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,282 INFO L246 CegarLoopResult]: For program point L792-6(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,282 INFO L246 CegarLoopResult]: For program point L792-8(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,283 INFO L246 CegarLoopResult]: For program point L792-9(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,283 INFO L246 CegarLoopResult]: For program point L792-11(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,283 INFO L246 CegarLoopResult]: For program point L792-12(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,283 INFO L246 CegarLoopResult]: For program point L792-14(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,283 INFO L246 CegarLoopResult]: For program point L792-15(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,284 INFO L246 CegarLoopResult]: For program point L792-17(lines 792 796) no Hoare annotation was computed. [2019-11-28 00:20:56,284 INFO L246 CegarLoopResult]: For program point L694(lines 694 702) no Hoare annotation was computed. [2019-11-28 00:20:56,284 INFO L246 CegarLoopResult]: For program point L694-1(lines 694 702) no Hoare annotation was computed. [2019-11-28 00:20:56,284 INFO L246 CegarLoopResult]: For program point L694-2(lines 694 702) no Hoare annotation was computed. [2019-11-28 00:20:56,285 INFO L246 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2019-11-28 00:20:56,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:20:56 BoogieIcfgContainer [2019-11-28 00:20:56,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:20:56,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:20:56,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:20:56,311 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:20:56,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:20:54" (3/4) ... [2019-11-28 00:20:56,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:20:56,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:20:56,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:20:56,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:20:56,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:20:56,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:20:56,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:20:56,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:20:56,375 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:20:56,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-28 00:20:56,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-28 00:20:56,381 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:20:56,476 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:20:56,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:20:56,479 INFO L168 Benchmark]: Toolchain (without parser) took 3842.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 953.7 MB in the beginning and 828.3 MB in the end (delta: 125.4 MB). Peak memory consumption was 215.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:56,480 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:20:56,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:56,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:56,482 INFO L168 Benchmark]: Boogie Preprocessor took 64.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:20:56,482 INFO L168 Benchmark]: RCFGBuilder took 989.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:56,482 INFO L168 Benchmark]: TraceAbstraction took 1862.78 ms. Allocated memory is still 1.1 GB. Free memory was 996.0 MB in the beginning and 835.3 MB in the end (delta: 160.7 MB). Peak memory consumption was 160.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:56,483 INFO L168 Benchmark]: Witness Printer took 166.34 ms. Allocated memory is still 1.1 GB. Free memory was 835.3 MB in the beginning and 828.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:20:56,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 672.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 989.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.0 MB in the end (delta: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1862.78 ms. Allocated memory is still 1.1 GB. Free memory was 996.0 MB in the beginning and 835.3 MB in the end (delta: 160.7 MB). Peak memory consumption was 160.7 MB. Max. memory is 11.5 GB. * Witness Printer took 166.34 ms. Allocated memory is still 1.1 GB. Free memory was 835.3 MB in the beginning and 828.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 449 SDtfs, 598 SDslu, 702 SDs, 0 SdLazy, 86 SolverSat, 14 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=119occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 153 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5825 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...