./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_spec4_product09.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 51c3bbda42df3e7a563a36af727e140b310abe72 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:26:35,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:26:35,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:26:35,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:26:35,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:35,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:35,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:35,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:35,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:35,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:35,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:35,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:35,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:35,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:35,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:35,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:35,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:35,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:35,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:35,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:35,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:35,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:35,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:35,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:35,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:35,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:35,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:35,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:35,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:35,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:35,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:35,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:35,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:35,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:35,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:35,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:35,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:35,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:35,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:35,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:35,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:35,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:35,331 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:35,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:35,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:35,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:35,333 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:35,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:35,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:35,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:35,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:35,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:35,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:35,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:35,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:35,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:35,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:35,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:35,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:35,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:35,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:35,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:35,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:35,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:35,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:35,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:35,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:35,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:35,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:35,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:35,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:35,340 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 -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2019-11-28 17:26:35,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:35,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:35,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:35,670 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:35,670 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:35,671 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-11-28 17:26:35,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d510b6c33/981277f45dd540bda108745aacf38478/FLAG84041d799 [2019-11-28 17:26:36,256 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:36,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-11-28 17:26:36,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d510b6c33/981277f45dd540bda108745aacf38478/FLAG84041d799 [2019-11-28 17:26:36,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d510b6c33/981277f45dd540bda108745aacf38478 [2019-11-28 17:26:36,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:36,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:36,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:36,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:36,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:36,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:36" (1/1) ... [2019-11-28 17:26:36,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:36, skipping insertion in model container [2019-11-28 17:26:36,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:36" (1/1) ... [2019-11-28 17:26:36,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:36,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:37,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:37,086 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:37,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:37,262 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:37,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37 WrapperNode [2019-11-28 17:26:37,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:37,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:37,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:37,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:37,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:37,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:37,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:37,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:37,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (1/1) ... [2019-11-28 17:26:37,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:37,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:37,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:37,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:37,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (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 17:26:37,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:37,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:38,161 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:38,162 INFO L287 CfgBuilder]: Removed 66 assume(true) statements. [2019-11-28 17:26:38,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:38 BoogieIcfgContainer [2019-11-28 17:26:38,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:38,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:38,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:38,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:38,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:36" (1/3) ... [2019-11-28 17:26:38,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7530b6e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:38, skipping insertion in model container [2019-11-28 17:26:38,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:37" (2/3) ... [2019-11-28 17:26:38,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7530b6e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:38, skipping insertion in model container [2019-11-28 17:26:38,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:38" (3/3) ... [2019-11-28 17:26:38,172 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2019-11-28 17:26:38,182 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:38,191 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:38,204 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:38,229 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:38,230 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:38,230 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:38,230 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:38,230 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:38,231 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:38,231 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:38,231 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-11-28 17:26:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:26:38,257 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:38,258 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:38,258 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:38,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:38,265 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2019-11-28 17:26:38,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:38,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847295650] [2019-11-28 17:26:38,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:38,578 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 17:26:38,579 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847295650] [2019-11-28 17:26:38,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:38,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:38,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607032613] [2019-11-28 17:26:38,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:38,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:38,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:38,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:38,601 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-11-28 17:26:38,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:38,628 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-11-28 17:26:38,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:38,630 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:26:38,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:38,641 INFO L225 Difference]: With dead ends: 108 [2019-11-28 17:26:38,642 INFO L226 Difference]: Without dead ends: 53 [2019-11-28 17:26:38,645 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 17:26:38,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-28 17:26:38,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 17:26:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 17:26:38,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-11-28 17:26:38,684 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-11-28 17:26:38,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:38,685 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-11-28 17:26:38,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-11-28 17:26:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:26:38,686 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:38,686 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 17:26:38,687 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:38,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:38,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2019-11-28 17:26:38,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:38,688 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636510260] [2019-11-28 17:26:38,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:38,788 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 17:26:38,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636510260] [2019-11-28 17:26:38,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:38,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:38,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812027793] [2019-11-28 17:26:38,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:38,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:38,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:38,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:38,794 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-11-28 17:26:38,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:38,812 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-11-28 17:26:38,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:38,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:26:38,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:38,814 INFO L225 Difference]: With dead ends: 53 [2019-11-28 17:26:38,814 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 17:26:38,816 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 17:26:38,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 17:26:38,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 17:26:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 17:26:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-28 17:26:38,827 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-11-28 17:26:38,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:38,828 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-28 17:26:38,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-28 17:26:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:26:38,830 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:38,831 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 17:26:38,831 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:38,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:38,831 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2019-11-28 17:26:38,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:38,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075767285] [2019-11-28 17:26:38,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:38,977 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 17:26:38,977 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075767285] [2019-11-28 17:26:38,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:38,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:38,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466848005] [2019-11-28 17:26:38,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:38,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:38,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:38,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:38,979 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 6 states. [2019-11-28 17:26:39,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:39,215 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2019-11-28 17:26:39,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:26:39,216 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 17:26:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:39,219 INFO L225 Difference]: With dead ends: 142 [2019-11-28 17:26:39,220 INFO L226 Difference]: Without dead ends: 121 [2019-11-28 17:26:39,220 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-28 17:26:39,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-28 17:26:39,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2019-11-28 17:26:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 17:26:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2019-11-28 17:26:39,235 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 22 [2019-11-28 17:26:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:39,235 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2019-11-28 17:26:39,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2019-11-28 17:26:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 17:26:39,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:39,237 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 17:26:39,237 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:39,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:39,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2019-11-28 17:26:39,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:39,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17647230] [2019-11-28 17:26:39,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:39,314 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 17:26:39,315 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17647230] [2019-11-28 17:26:39,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:39,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:39,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917878000] [2019-11-28 17:26:39,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:39,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:39,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:39,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:39,318 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand 5 states. [2019-11-28 17:26:39,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:39,391 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2019-11-28 17:26:39,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:39,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 17:26:39,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:39,393 INFO L225 Difference]: With dead ends: 163 [2019-11-28 17:26:39,393 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:39,394 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 17:26:39,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:39,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:39,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-28 17:26:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:39,395 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:39,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:39,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:39,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:39,603 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 17:26:39,604 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:39,604 INFO L246 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-11-28 17:26:39,604 INFO L242 CegarLoopResult]: At program point L748(lines 1 855) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 17:26:39,604 INFO L242 CegarLoopResult]: At program point L682(lines 677 685) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:39,605 INFO L242 CegarLoopResult]: At program point L682-1(lines 677 685) the Hoare annotation is: false [2019-11-28 17:26:39,605 INFO L242 CegarLoopResult]: At program point L682-2(lines 677 685) the Hoare annotation is: false [2019-11-28 17:26:39,605 INFO L246 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-11-28 17:26:39,605 INFO L242 CegarLoopResult]: At program point L550-1(lines 550 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:39,606 INFO L242 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: false [2019-11-28 17:26:39,606 INFO L246 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-11-28 17:26:39,606 INFO L246 CegarLoopResult]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2019-11-28 17:26:39,606 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:39,606 INFO L246 CegarLoopResult]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2019-11-28 17:26:39,606 INFO L246 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2019-11-28 17:26:39,607 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 17:26:39,607 INFO L249 CegarLoopResult]: At program point L852(lines 833 855) the Hoare annotation is: true [2019-11-28 17:26:39,607 INFO L242 CegarLoopResult]: At program point L605(lines 604 623) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:39,608 INFO L246 CegarLoopResult]: For program point L605-1(lines 605 611) no Hoare annotation was computed. [2019-11-28 17:26:39,608 INFO L242 CegarLoopResult]: At program point L605-2(lines 604 623) the Hoare annotation is: false [2019-11-28 17:26:39,608 INFO L242 CegarLoopResult]: At program point L605-3(lines 604 623) the Hoare annotation is: false [2019-11-28 17:26:39,608 INFO L242 CegarLoopResult]: At program point L820(lines 816 822) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 17:26:39,609 INFO L242 CegarLoopResult]: At program point L523(lines 518 526) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:39,609 INFO L242 CegarLoopResult]: At program point L523-1(lines 518 526) the Hoare annotation is: false [2019-11-28 17:26:39,611 INFO L242 CegarLoopResult]: At program point L523-2(lines 518 526) the Hoare annotation is: false [2019-11-28 17:26:39,611 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:39,611 INFO L246 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-11-28 17:26:39,611 INFO L242 CegarLoopResult]: At program point L425-1(lines 1 855) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:39,611 INFO L246 CegarLoopResult]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2019-11-28 17:26:39,612 INFO L242 CegarLoopResult]: At program point L425-3(lines 1 855) the Hoare annotation is: false [2019-11-28 17:26:39,612 INFO L246 CegarLoopResult]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2019-11-28 17:26:39,612 INFO L242 CegarLoopResult]: At program point L425-5(lines 1 855) the Hoare annotation is: false [2019-11-28 17:26:39,612 INFO L242 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: false [2019-11-28 17:26:39,612 INFO L246 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2019-11-28 17:26:39,613 INFO L242 CegarLoopResult]: At program point L756(lines 751 759) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 17:26:39,613 INFO L246 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2019-11-28 17:26:39,613 INFO L246 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2019-11-28 17:26:39,613 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-28 17:26:39,614 INFO L246 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-11-28 17:26:39,614 INFO L246 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-11-28 17:26:39,614 INFO L246 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2019-11-28 17:26:39,614 INFO L246 CegarLoopResult]: For program point L576-2(lines 605 611) no Hoare annotation was computed. [2019-11-28 17:26:39,614 INFO L246 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-11-28 17:26:39,614 INFO L242 CegarLoopResult]: At program point L560-1(lines 560 566) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:39,614 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:39,615 INFO L246 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2019-11-28 17:26:39,615 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 17:26:39,615 INFO L246 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-28 17:26:39,615 INFO L246 CegarLoopResult]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-11-28 17:26:39,615 INFO L246 CegarLoopResult]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-11-28 17:26:39,615 INFO L246 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2019-11-28 17:26:39,616 INFO L246 CegarLoopResult]: For program point L776-1(lines 605 611) no Hoare annotation was computed. [2019-11-28 17:26:39,616 INFO L246 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2019-11-28 17:26:39,616 INFO L249 CegarLoopResult]: At program point L843-1(lines 843 850) the Hoare annotation is: true [2019-11-28 17:26:39,616 INFO L242 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:39,616 INFO L242 CegarLoopResult]: At program point L612-1(lines 612 618) the Hoare annotation is: false [2019-11-28 17:26:39,617 INFO L242 CegarLoopResult]: At program point L612-2(lines 612 618) the Hoare annotation is: false [2019-11-28 17:26:39,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:39 BoogieIcfgContainer [2019-11-28 17:26:39,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:39,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:39,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:39,648 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:39,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:38" (3/4) ... [2019-11-28 17:26:39,653 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:39,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:39,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:39,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:39,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:39,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:39,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:39,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:39,736 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:26:39,807 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:39,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:39,813 INFO L168 Benchmark]: Toolchain (without parser) took 3231.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 963.0 MB in the beginning and 952.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 153.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:39,813 INFO L168 Benchmark]: CDTParser took 0.35 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 17:26:39,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:39,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:39,815 INFO L168 Benchmark]: Boogie Preprocessor took 50.76 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 17:26:39,815 INFO L168 Benchmark]: RCFGBuilder took 769.41 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:39,816 INFO L168 Benchmark]: TraceAbstraction took 1482.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.6 MB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:39,816 INFO L168 Benchmark]: Witness Printer took 163.19 ms. Allocated memory is still 1.2 GB. Free memory was 959.6 MB in the beginning and 952.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:39,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 680.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 769.41 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1482.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.6 MB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. * Witness Printer took 163.19 ms. Allocated memory is still 1.2 GB. Free memory was 959.6 MB in the beginning and 952.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 612]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 213 SDtfs, 279 SDslu, 308 SDs, 0 SdLazy, 86 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 4 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 99 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1205 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...