./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product42.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_spec3_product42.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 284d5750b565b650dea59fef4c61eb2e70211282 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:26:03,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:26:03,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:26:03,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:26:03,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:03,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:03,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:03,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:03,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:03,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:03,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:03,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:03,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:03,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:03,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:03,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:03,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:03,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:03,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:03,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:03,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:03,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:03,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:03,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:03,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:03,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:03,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:03,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:03,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:03,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:03,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:03,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:03,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:03,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:03,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:03,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:03,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:03,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:03,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:03,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:03,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:03,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:03,418 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:03,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:03,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:03,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:03,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:03,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:03,421 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:03,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:03,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:03,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:03,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:03,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:03,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:03,423 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:03,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:03,424 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:03,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:03,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:03,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:03,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:03,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:03,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:03,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:03,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:03,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:03,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:03,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:03,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:03,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:03,428 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 -> 284d5750b565b650dea59fef4c61eb2e70211282 [2019-11-28 17:26:03,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:03,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:03,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:03,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:03,820 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:03,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2019-11-28 17:26:03,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0902a9550/51c81888166a4a89aa53b52befc5fdf8/FLAG0cb79966d [2019-11-28 17:26:04,453 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:04,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2019-11-28 17:26:04,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0902a9550/51c81888166a4a89aa53b52befc5fdf8/FLAG0cb79966d [2019-11-28 17:26:04,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0902a9550/51c81888166a4a89aa53b52befc5fdf8 [2019-11-28 17:26:04,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:04,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:04,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:04,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:04,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:04,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:04" (1/1) ... [2019-11-28 17:26:04,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8488f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:04, skipping insertion in model container [2019-11-28 17:26:04,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:04" (1/1) ... [2019-11-28 17:26:04,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:04,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:05,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:05,312 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:05,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:05,469 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:05,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05 WrapperNode [2019-11-28 17:26:05,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:05,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:05,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:05,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:05,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:05,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:05,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:05,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:05,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (1/1) ... [2019-11-28 17:26:05,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:05,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:05,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:05,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:05,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (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 17:26:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:06,593 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:06,593 INFO L287 CfgBuilder]: Removed 122 assume(true) statements. [2019-11-28 17:26:06,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:06 BoogieIcfgContainer [2019-11-28 17:26:06,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:06,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:06,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:06,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:06,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:04" (1/3) ... [2019-11-28 17:26:06,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0c1fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:06, skipping insertion in model container [2019-11-28 17:26:06,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:05" (2/3) ... [2019-11-28 17:26:06,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0c1fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:06, skipping insertion in model container [2019-11-28 17:26:06,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:06" (3/3) ... [2019-11-28 17:26:06,612 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2019-11-28 17:26:06,622 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:06,630 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:06,644 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:06,668 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:06,669 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:06,669 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:06,669 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:06,669 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:06,669 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:06,669 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:06,669 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2019-11-28 17:26:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:26:06,696 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:06,697 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 17:26:06,698 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:06,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:06,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1623272414, now seen corresponding path program 1 times [2019-11-28 17:26:06,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:06,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318326372] [2019-11-28 17:26:06,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:07,020 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 17:26:07,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318326372] [2019-11-28 17:26:07,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:07,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:07,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299030012] [2019-11-28 17:26:07,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:07,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:07,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:07,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:07,046 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2019-11-28 17:26:07,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:07,085 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2019-11-28 17:26:07,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:07,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:26:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:07,098 INFO L225 Difference]: With dead ends: 180 [2019-11-28 17:26:07,098 INFO L226 Difference]: Without dead ends: 89 [2019-11-28 17:26:07,102 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 17:26:07,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-28 17:26:07,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-11-28 17:26:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-28 17:26:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2019-11-28 17:26:07,153 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2019-11-28 17:26:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:07,153 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2019-11-28 17:26:07,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:07,154 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2019-11-28 17:26:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:26:07,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:07,155 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 17:26:07,156 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:07,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:07,156 INFO L82 PathProgramCache]: Analyzing trace with hash 352621777, now seen corresponding path program 1 times [2019-11-28 17:26:07,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:07,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251775519] [2019-11-28 17:26:07,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:07,316 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 17:26:07,316 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251775519] [2019-11-28 17:26:07,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:07,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:07,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123349332] [2019-11-28 17:26:07,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:07,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:07,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:07,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:07,319 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2019-11-28 17:26:07,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:07,332 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2019-11-28 17:26:07,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:07,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:26:07,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:07,336 INFO L225 Difference]: With dead ends: 89 [2019-11-28 17:26:07,337 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 17:26:07,338 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 17:26:07,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 17:26:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-28 17:26:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-28 17:26:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2019-11-28 17:26:07,345 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2019-11-28 17:26:07,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:07,345 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2019-11-28 17:26:07,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2019-11-28 17:26:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:26:07,347 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:07,347 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 17:26:07,347 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:07,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:07,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2019-11-28 17:26:07,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:07,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933108119] [2019-11-28 17:26:07,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:07,466 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 17:26:07,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933108119] [2019-11-28 17:26:07,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:07,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:07,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515699916] [2019-11-28 17:26:07,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:07,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:07,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:07,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:07,469 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 5 states. [2019-11-28 17:26:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:07,551 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2019-11-28 17:26:07,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:07,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 17:26:07,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:07,555 INFO L225 Difference]: With dead ends: 72 [2019-11-28 17:26:07,557 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 17:26:07,559 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 17:26:07,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 17:26:07,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-28 17:26:07,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-28 17:26:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-11-28 17:26:07,572 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2019-11-28 17:26:07,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:07,578 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-28 17:26:07,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:07,580 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-11-28 17:26:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:26:07,581 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:07,582 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] [2019-11-28 17:26:07,582 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:07,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:07,583 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2019-11-28 17:26:07,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:07,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848262083] [2019-11-28 17:26:07,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:07,707 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 17:26:07,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848262083] [2019-11-28 17:26:07,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:07,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:07,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358061321] [2019-11-28 17:26:07,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:07,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:07,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:07,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:07,710 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2019-11-28 17:26:07,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:07,739 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2019-11-28 17:26:07,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:07,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 17:26:07,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:07,742 INFO L225 Difference]: With dead ends: 95 [2019-11-28 17:26:07,742 INFO L226 Difference]: Without dead ends: 62 [2019-11-28 17:26:07,743 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 17:26:07,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-28 17:26:07,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-11-28 17:26:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 17:26:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2019-11-28 17:26:07,755 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2019-11-28 17:26:07,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:07,756 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2019-11-28 17:26:07,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2019-11-28 17:26:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 17:26:07,758 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:07,758 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, 1, 1, 1, 1] [2019-11-28 17:26:07,758 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:07,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:07,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2019-11-28 17:26:07,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:07,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577422439] [2019-11-28 17:26:07,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:07,844 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 17:26:07,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577422439] [2019-11-28 17:26:07,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:07,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:07,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966802245] [2019-11-28 17:26:07,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:07,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:07,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:07,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:07,848 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2019-11-28 17:26:07,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:07,997 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2019-11-28 17:26:07,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:07,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 17:26:07,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:08,001 INFO L225 Difference]: With dead ends: 314 [2019-11-28 17:26:08,001 INFO L226 Difference]: Without dead ends: 260 [2019-11-28 17:26:08,002 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:08,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-11-28 17:26:08,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2019-11-28 17:26:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-28 17:26:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2019-11-28 17:26:08,026 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2019-11-28 17:26:08,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:08,026 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2019-11-28 17:26:08,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:08,027 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2019-11-28 17:26:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:26:08,033 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:08,034 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, 1, 1, 1, 1, 1] [2019-11-28 17:26:08,034 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:08,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:08,034 INFO L82 PathProgramCache]: Analyzing trace with hash -785377999, now seen corresponding path program 1 times [2019-11-28 17:26:08,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:08,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74937517] [2019-11-28 17:26:08,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:08,142 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 17:26:08,143 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74937517] [2019-11-28 17:26:08,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:08,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:08,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280866539] [2019-11-28 17:26:08,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:08,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:08,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:08,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:08,146 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 5 states. [2019-11-28 17:26:08,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:08,376 INFO L93 Difference]: Finished difference Result 446 states and 639 transitions. [2019-11-28 17:26:08,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:26:08,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:26:08,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:08,381 INFO L225 Difference]: With dead ends: 446 [2019-11-28 17:26:08,381 INFO L226 Difference]: Without dead ends: 392 [2019-11-28 17:26:08,384 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:08,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-11-28 17:26:08,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 152. [2019-11-28 17:26:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 17:26:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 210 transitions. [2019-11-28 17:26:08,444 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 210 transitions. Word has length 32 [2019-11-28 17:26:08,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:08,445 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 210 transitions. [2019-11-28 17:26:08,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 210 transitions. [2019-11-28 17:26:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:26:08,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:08,459 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, 1, 1, 1, 1, 1] [2019-11-28 17:26:08,459 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:08,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:08,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2019-11-28 17:26:08,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:08,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546374575] [2019-11-28 17:26:08,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:08,542 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 17:26:08,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546374575] [2019-11-28 17:26:08,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:08,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:08,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448575690] [2019-11-28 17:26:08,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:26:08,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:08,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:26:08,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:26:08,549 INFO L87 Difference]: Start difference. First operand 152 states and 210 transitions. Second operand 4 states. [2019-11-28 17:26:08,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:08,622 INFO L93 Difference]: Finished difference Result 428 states and 599 transitions. [2019-11-28 17:26:08,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:08,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-28 17:26:08,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:08,629 INFO L225 Difference]: With dead ends: 428 [2019-11-28 17:26:08,629 INFO L226 Difference]: Without dead ends: 326 [2019-11-28 17:26:08,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-11-28 17:26:08,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 152. [2019-11-28 17:26:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 17:26:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 209 transitions. [2019-11-28 17:26:08,666 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 209 transitions. Word has length 32 [2019-11-28 17:26:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:08,667 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 209 transitions. [2019-11-28 17:26:08,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:26:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2019-11-28 17:26:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:26:08,668 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:08,669 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, 1, 1, 1, 1, 1] [2019-11-28 17:26:08,669 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:08,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:08,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2019-11-28 17:26:08,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:08,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130301694] [2019-11-28 17:26:08,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:08,734 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 17:26:08,735 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130301694] [2019-11-28 17:26:08,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:08,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:08,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33321516] [2019-11-28 17:26:08,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:08,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:08,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:08,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:08,738 INFO L87 Difference]: Start difference. First operand 152 states and 209 transitions. Second operand 5 states. [2019-11-28 17:26:08,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:08,831 INFO L93 Difference]: Finished difference Result 461 states and 640 transitions. [2019-11-28 17:26:08,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:08,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:26:08,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:08,835 INFO L225 Difference]: With dead ends: 461 [2019-11-28 17:26:08,835 INFO L226 Difference]: Without dead ends: 315 [2019-11-28 17:26:08,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 17:26:08,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-11-28 17:26:08,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 158. [2019-11-28 17:26:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-28 17:26:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 214 transitions. [2019-11-28 17:26:08,859 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 214 transitions. Word has length 32 [2019-11-28 17:26:08,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:08,860 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 214 transitions. [2019-11-28 17:26:08,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 214 transitions. [2019-11-28 17:26:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 17:26:08,861 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:08,861 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:08,862 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:08,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:08,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2019-11-28 17:26:08,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:08,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644448696] [2019-11-28 17:26:08,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:08,948 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 17:26:08,948 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644448696] [2019-11-28 17:26:08,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:08,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:08,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467827565] [2019-11-28 17:26:08,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:26:08,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:08,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:26:08,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:26:08,951 INFO L87 Difference]: Start difference. First operand 158 states and 214 transitions. Second operand 6 states. [2019-11-28 17:26:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:09,369 INFO L93 Difference]: Finished difference Result 1169 states and 1572 transitions. [2019-11-28 17:26:09,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 17:26:09,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 17:26:09,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:09,375 INFO L225 Difference]: With dead ends: 1169 [2019-11-28 17:26:09,375 INFO L226 Difference]: Without dead ends: 1017 [2019-11-28 17:26:09,376 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-28 17:26:09,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2019-11-28 17:26:09,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 296. [2019-11-28 17:26:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-28 17:26:09,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 395 transitions. [2019-11-28 17:26:09,421 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 395 transitions. Word has length 35 [2019-11-28 17:26:09,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:09,424 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 395 transitions. [2019-11-28 17:26:09,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:26:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 395 transitions. [2019-11-28 17:26:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 17:26:09,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:09,427 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:09,427 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:09,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:09,428 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2019-11-28 17:26:09,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:09,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077684703] [2019-11-28 17:26:09,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:09,504 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 17:26:09,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077684703] [2019-11-28 17:26:09,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:09,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:09,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724808796] [2019-11-28 17:26:09,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:09,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:09,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:09,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:09,511 INFO L87 Difference]: Start difference. First operand 296 states and 395 transitions. Second operand 5 states. [2019-11-28 17:26:09,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:09,648 INFO L93 Difference]: Finished difference Result 704 states and 959 transitions. [2019-11-28 17:26:09,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:09,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-11-28 17:26:09,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:09,650 INFO L225 Difference]: With dead ends: 704 [2019-11-28 17:26:09,651 INFO L226 Difference]: Without dead ends: 158 [2019-11-28 17:26:09,652 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 17:26:09,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-11-28 17:26:09,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 97. [2019-11-28 17:26:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-28 17:26:09,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2019-11-28 17:26:09,667 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 35 [2019-11-28 17:26:09,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:09,668 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2019-11-28 17:26:09,668 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2019-11-28 17:26:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 17:26:09,669 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:09,669 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:09,670 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:09,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:09,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2019-11-28 17:26:09,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:09,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695773885] [2019-11-28 17:26:09,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:09,739 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 17:26:09,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695773885] [2019-11-28 17:26:09,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:09,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:26:09,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892027425] [2019-11-28 17:26:09,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 17:26:09,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:09,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 17:26:09,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:09,742 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand 7 states. [2019-11-28 17:26:09,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:09,960 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2019-11-28 17:26:09,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 17:26:09,961 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-28 17:26:09,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:09,961 INFO L225 Difference]: With dead ends: 281 [2019-11-28 17:26:09,961 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:09,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2019-11-28 17:26:09,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:09,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:09,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:09,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2019-11-28 17:26:09,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:09,964 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:09,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 17:26:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:09,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:09,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:10,171 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2019-11-28 17:26:10,469 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 105 [2019-11-28 17:26:10,944 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 167 [2019-11-28 17:26:11,506 WARN L192 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 167 [2019-11-28 17:26:11,814 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 111 [2019-11-28 17:26:12,143 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 154 [2019-11-28 17:26:12,710 WARN L192 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 153 [2019-11-28 17:26:13,019 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 144 [2019-11-28 17:26:13,556 WARN L192 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 42 [2019-11-28 17:26:14,313 WARN L192 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 27 [2019-11-28 17:26:14,604 WARN L192 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-11-28 17:26:15,693 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2019-11-28 17:26:16,602 WARN L192 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2019-11-28 17:26:16,893 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2019-11-28 17:26:17,440 WARN L192 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 47 [2019-11-28 17:26:18,361 WARN L192 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2019-11-28 17:26:18,636 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 21 [2019-11-28 17:26:19,716 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2019-11-28 17:26:19,827 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2019-11-28 17:26:20,507 WARN L192 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 31 [2019-11-28 17:26:20,512 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2019-11-28 17:26:20,512 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-28 17:26:20,512 INFO L242 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse4 .cse2 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 (= 1 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) .cse4 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)))) [2019-11-28 17:26:20,513 INFO L242 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: false [2019-11-28 17:26:20,513 INFO L242 CegarLoopResult]: At program point L234-2(lines 234 240) the Hoare annotation is: false [2019-11-28 17:26:20,513 INFO L246 CegarLoopResult]: For program point L482(lines 482 488) no Hoare annotation was computed. [2019-11-28 17:26:20,513 INFO L246 CegarLoopResult]: For program point L482-1(lines 482 488) no Hoare annotation was computed. [2019-11-28 17:26:20,513 INFO L246 CegarLoopResult]: For program point L482-2(lines 482 488) no Hoare annotation was computed. [2019-11-28 17:26:20,513 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:20,513 INFO L246 CegarLoopResult]: For program point L185(lines 185 198) no Hoare annotation was computed. [2019-11-28 17:26:20,513 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-28 17:26:20,513 INFO L242 CegarLoopResult]: At program point L532(lines 527 535) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:26:20,513 INFO L246 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed. [2019-11-28 17:26:20,514 INFO L246 CegarLoopResult]: For program point L912-2(lines 912 932) no Hoare annotation was computed. [2019-11-28 17:26:20,514 INFO L246 CegarLoopResult]: For program point L912-4(lines 912 932) no Hoare annotation was computed. [2019-11-28 17:26:20,514 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:26:20,514 INFO L246 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2019-11-28 17:26:20,514 INFO L242 CegarLoopResult]: At program point L203(lines 154 204) the Hoare annotation is: false [2019-11-28 17:26:20,514 INFO L242 CegarLoopResult]: At program point L385(lines 370 388) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) .cse2 .cse3 .cse4 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)))) [2019-11-28 17:26:20,514 INFO L242 CegarLoopResult]: At program point L385-1(lines 370 388) the Hoare annotation is: false [2019-11-28 17:26:20,515 INFO L242 CegarLoopResult]: At program point L385-2(lines 370 388) the Hoare annotation is: false [2019-11-28 17:26:20,515 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-28 17:26:20,515 INFO L246 CegarLoopResult]: For program point L56-1(lines 227 233) no Hoare annotation was computed. [2019-11-28 17:26:20,515 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-28 17:26:20,516 INFO L242 CegarLoopResult]: At program point L321(lines 314 324) the Hoare annotation is: (let ((.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse5 (<= ~waterLevel~0 1)) (.cse1 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (not .cse2)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse14 (= 1 ULTIMATE.start_processEnvironment_~tmp~2)) (.cse11 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (.cse12 (= 1 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse10 (not .cse4)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse15 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse3 .cse5 .cse6 .cse7 .cse10 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse12 .cse13 .cse0 .cse14 .cse6 .cse7 .cse8 .cse15) (and .cse13 .cse0 .cse9 .cse3 .cse14 .cse11 .cse12 .cse6 .cse7 .cse10 .cse8 .cse15)))) [2019-11-28 17:26:20,516 INFO L242 CegarLoopResult]: At program point L321-1(lines 314 324) the Hoare annotation is: false [2019-11-28 17:26:20,516 INFO L242 CegarLoopResult]: At program point L321-2(lines 314 324) the Hoare annotation is: false [2019-11-28 17:26:20,516 INFO L246 CegarLoopResult]: For program point L156(lines 155 202) no Hoare annotation was computed. [2019-11-28 17:26:20,516 INFO L242 CegarLoopResult]: At program point L487(lines 478 491) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-28 17:26:20,517 INFO L242 CegarLoopResult]: At program point L487-1(lines 478 491) the Hoare annotation is: false [2019-11-28 17:26:20,517 INFO L242 CegarLoopResult]: At program point L487-2(lines 478 491) the Hoare annotation is: false [2019-11-28 17:26:20,517 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:20,517 INFO L246 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-11-28 17:26:20,517 INFO L246 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2019-11-28 17:26:20,517 INFO L246 CegarLoopResult]: For program point L405-3(lines 405 409) no Hoare annotation was computed. [2019-11-28 17:26:20,517 INFO L246 CegarLoopResult]: For program point L405-6(lines 405 409) no Hoare annotation was computed. [2019-11-28 17:26:20,518 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2019-11-28 17:26:20,518 INFO L246 CegarLoopResult]: For program point L918(lines 918 931) no Hoare annotation was computed. [2019-11-28 17:26:20,518 INFO L242 CegarLoopResult]: At program point L918-1(lines 1 935) the Hoare annotation is: (let ((.cse10 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8))) (.cse2 (not .cse9)) (.cse7 (not .cse10)) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse3 (= ~pumpRunning~0 1) .cse6 .cse8 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse1 .cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse2 (= 1 ULTIMATE.start_processEnvironment_~tmp~2) .cse5 .cse6 .cse7 .cse8 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and .cse0 .cse9 .cse3 .cse10 .cse4 .cse5 .cse6 .cse8) (and .cse0 .cse9 (= 1 ~waterLevel~0) .cse3 .cse5 .cse6 .cse8)))) [2019-11-28 17:26:20,518 INFO L246 CegarLoopResult]: For program point L918-2(lines 918 931) no Hoare annotation was computed. [2019-11-28 17:26:20,518 INFO L242 CegarLoopResult]: At program point L918-3(lines 1 935) the Hoare annotation is: false [2019-11-28 17:26:20,518 INFO L246 CegarLoopResult]: For program point L918-4(lines 918 931) no Hoare annotation was computed. [2019-11-28 17:26:20,518 INFO L242 CegarLoopResult]: At program point L918-5(lines 1 935) the Hoare annotation is: false [2019-11-28 17:26:20,518 INFO L246 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-11-28 17:26:20,519 INFO L242 CegarLoopResult]: At program point L175-1(lines 175 181) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2019-11-28 17:26:20,519 INFO L246 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-11-28 17:26:20,519 INFO L246 CegarLoopResult]: For program point L259-1(lines 259 276) no Hoare annotation was computed. [2019-11-28 17:26:20,519 INFO L246 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-11-28 17:26:20,519 INFO L246 CegarLoopResult]: For program point L259-2(lines 259 276) no Hoare annotation was computed. [2019-11-28 17:26:20,519 INFO L242 CegarLoopResult]: At program point L193-2(lines 227 233) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2019-11-28 17:26:20,519 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:20,519 INFO L242 CegarLoopResult]: At program point L474(lines 469 477) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 (= 0 ~methaneLevelCritical~0) (<= |ULTIMATE.start_getWaterLevel_#res| 1) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse2 .cse3))) [2019-11-28 17:26:20,520 INFO L242 CegarLoopResult]: At program point L474-1(lines 469 477) the Hoare annotation is: false [2019-11-28 17:26:20,520 INFO L242 CegarLoopResult]: At program point L474-2(lines 469 477) the Hoare annotation is: false [2019-11-28 17:26:20,520 INFO L242 CegarLoopResult]: At program point L524(lines 1 935) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:26:20,520 INFO L242 CegarLoopResult]: At program point L227(lines 226 245) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)))) [2019-11-28 17:26:20,520 INFO L246 CegarLoopResult]: For program point L227-1(lines 227 233) no Hoare annotation was computed. [2019-11-28 17:26:20,520 INFO L242 CegarLoopResult]: At program point L227-2(lines 226 245) the Hoare annotation is: false [2019-11-28 17:26:20,520 INFO L242 CegarLoopResult]: At program point L227-3(lines 226 245) the Hoare annotation is: false [2019-11-28 17:26:20,520 INFO L242 CegarLoopResult]: At program point L442(lines 437 445) the Hoare annotation is: (let ((.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse12 (<= ~waterLevel~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse13 (not .cse2)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse5 (= 1 ULTIMATE.start_processEnvironment_~tmp~2)) (.cse6 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (.cse7 (= 1 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (not (= 0 ~systemActive~0))) (.cse14 (not .cse4)) (.cse10 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse11 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse1 .cse2 .cse3 .cse4 .cse12 .cse8 .cse9 .cse10) (and .cse1 .cse13 .cse3 .cse12 .cse8 .cse9 .cse14 .cse10) (and .cse0 .cse1 .cse13 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse14 .cse10 .cse11)))) [2019-11-28 17:26:20,521 INFO L242 CegarLoopResult]: At program point L442-1(lines 437 445) the Hoare annotation is: (let ((.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ~methaneLevelCritical~0))) (let ((.cse6 (<= ~waterLevel~0 1)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not .cse4)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse9 (not .cse5)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse7 .cse2 .cse3) (and .cse0 .cse8 .cse1 .cse6 .cse7 .cse2 .cse9 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 .cse8 .cse1 (= 1 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) .cse7 .cse2 .cse9 .cse3 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))))) [2019-11-28 17:26:20,521 INFO L242 CegarLoopResult]: At program point L442-2(lines 437 445) the Hoare annotation is: false [2019-11-28 17:26:20,521 INFO L242 CegarLoopResult]: At program point L442-3(lines 437 445) the Hoare annotation is: false [2019-11-28 17:26:20,521 INFO L242 CegarLoopResult]: At program point L442-4(lines 437 445) the Hoare annotation is: false [2019-11-28 17:26:20,521 INFO L242 CegarLoopResult]: At program point L442-5(lines 437 445) the Hoare annotation is: false [2019-11-28 17:26:20,521 INFO L246 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2019-11-28 17:26:20,521 INFO L246 CegarLoopResult]: For program point L922-2(lines 922 928) no Hoare annotation was computed. [2019-11-28 17:26:20,521 INFO L246 CegarLoopResult]: For program point L922-4(lines 922 928) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L296(lines 296 302) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L263-1(lines 263 271) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L296-2(lines 296 302) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L296-4(lines 296 302) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:20,522 INFO L246 CegarLoopResult]: For program point L379(lines 379 383) no Hoare annotation was computed. [2019-11-28 17:26:20,523 INFO L246 CegarLoopResult]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2019-11-28 17:26:20,523 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2019-11-28 17:26:20,523 INFO L246 CegarLoopResult]: For program point L379-3(lines 379 383) no Hoare annotation was computed. [2019-11-28 17:26:20,523 INFO L246 CegarLoopResult]: For program point L379-5(lines 379 383) no Hoare annotation was computed. [2019-11-28 17:26:20,523 INFO L246 CegarLoopResult]: For program point L379-6(lines 379 383) no Hoare annotation was computed. [2019-11-28 17:26:20,523 INFO L246 CegarLoopResult]: For program point L379-8(lines 379 383) no Hoare annotation was computed. [2019-11-28 17:26:20,523 INFO L246 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2019-11-28 17:26:20,523 INFO L242 CegarLoopResult]: At program point L330(lines 325 333) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_activatePump_~tmp~3)) [2019-11-28 17:26:20,524 INFO L242 CegarLoopResult]: At program point L330-1(lines 325 333) the Hoare annotation is: false [2019-11-28 17:26:20,524 INFO L242 CegarLoopResult]: At program point L330-2(lines 325 333) the Hoare annotation is: false [2019-11-28 17:26:20,524 INFO L246 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-11-28 17:26:20,524 INFO L242 CegarLoopResult]: At program point L165-1(lines 165 171) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3 (= 0 ULTIMATE.start_activatePump_~tmp~3)) (and .cse0 (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) .cse1 .cse4 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse4 .cse2 .cse3))) [2019-11-28 17:26:20,524 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-28 17:26:20,524 INFO L246 CegarLoopResult]: For program point L497-1(line 497) no Hoare annotation was computed. [2019-11-28 17:26:20,524 INFO L246 CegarLoopResult]: For program point L497-2(line 497) no Hoare annotation was computed. [2019-11-28 17:26:20,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:20 BoogieIcfgContainer [2019-11-28 17:26:20,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:20,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:20,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:20,570 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:20,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:06" (3/4) ... [2019-11-28 17:26:20,576 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:20,610 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:20,617 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:20,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:20,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:20,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:20,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:20,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:20,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 17:26:20,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 17:26:20,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && !(0 == tmp)) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp)) || ((((((((((((!(0 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && \result == 0) && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:20,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((((\result == 1 && !(0 == tmp)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:20,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:20,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:20,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) [2019-11-28 17:26:20,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 17:26:20,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 17:26:20,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 0 && \result == 1) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:20,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((((((\result == 1 && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:26:20,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 0 && \result == 1) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 17:26:20,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp [2019-11-28 17:26:20,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\result == 0 && \result == 1) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 17:26:20,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && 0 == \result) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((((((0 == \result && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && 0 == tmp) && 1 == \result) && \result == 0) && \result == 1) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) [2019-11-28 17:26:20,777 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:20,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:20,779 INFO L168 Benchmark]: Toolchain (without parser) took 15997.17 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.2 MB). Free memory was 956.3 MB in the beginning and 947.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 411.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:20,780 INFO L168 Benchmark]: CDTParser took 0.26 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 17:26:20,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:20,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.43 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:20,781 INFO L168 Benchmark]: Boogie Preprocessor took 43.78 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 17:26:20,781 INFO L168 Benchmark]: RCFGBuilder took 1004.37 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:20,782 INFO L168 Benchmark]: TraceAbstraction took 13968.88 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 269.5 MB). Free memory was 1.1 GB in the beginning and 959.6 MB in the end (delta: 91.6 MB). Peak memory consumption was 414.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:20,782 INFO L168 Benchmark]: Witness Printer took 211.39 ms. Allocated memory is still 1.4 GB. Free memory was 947.7 MB in the beginning and 947.7 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 17:26:20,784 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 686.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.43 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.78 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 1004.37 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13968.88 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 269.5 MB). Free memory was 1.1 GB in the beginning and 959.6 MB in the end (delta: 91.6 MB). Peak memory consumption was 414.6 MB. Max. memory is 11.5 GB. * Witness Printer took 211.39 ms. Allocated memory is still 1.4 GB. Free memory was 947.7 MB in the beginning and 947.7 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 497]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 497]: 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: 437]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((((\result == 0 && \result == 1) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && 0 == \result) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || ((((((((((((0 == \result && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && 0 == tmp) && 1 == \result) && \result == 0) && \result == 1) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (((((((((((((\result == 0 && \result == 1) && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp___0) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((\result == 1 && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && !(0 == tmp)) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp)) || ((((((((((((!(0 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && \result == 0) && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((((((((((\result == 0 && \result == 1) && !(0 == methaneLevelCritical)) && 1 == tmp) && 1 == tmp) && 0 == tmp) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter) && 1 == tmp___0) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 0 && \result == 1) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((((((\result == 1 && 0 == methaneLevelCritical) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) || ((((((\result == 1 && !(0 == tmp)) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && 0 == splverifierCounter)) || (((((\result == 1 && 0 == methaneLevelCritical) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, HoareTripleCheckerStatistics: 996 SDtfs, 1538 SDslu, 1746 SDs, 0 SdLazy, 255 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1509 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 227 NumberOfFragments, 1033 HoareAnnotationTreeSize, 40 FomulaSimplifications, 769539 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 195897 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 16827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...