./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product37.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_spec2_product37.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 3f8c4eddf293b722c8b0f77d2921f647762d8744 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:25:07,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:07,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:07,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:07,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:07,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:07,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:07,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:07,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:07,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:07,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:07,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:07,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:07,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:07,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:07,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:07,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:07,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:07,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:07,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:07,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:07,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:07,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:07,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:07,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:07,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:07,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:07,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:07,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:07,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:07,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:07,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:07,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:07,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:07,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:07,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:07,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:07,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:07,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:07,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:07,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:07,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:07,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:07,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:07,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:07,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:07,517 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:07,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:07,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:07,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:07,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:07,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:07,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:07,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:07,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:07,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:07,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:07,521 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:07,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:07,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:07,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:07,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:07,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:07,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:07,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:07,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:07,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:07,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:07,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:07,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:07,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:07,525 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 -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2019-11-28 17:25:07,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:07,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:07,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:07,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:07,903 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:07,904 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2019-11-28 17:25:07,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ac08c9d1/2bc1b370b56649e893b530570c0664f1/FLAG620d4f1e4 [2019-11-28 17:25:08,503 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:08,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2019-11-28 17:25:08,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ac08c9d1/2bc1b370b56649e893b530570c0664f1/FLAG620d4f1e4 [2019-11-28 17:25:08,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ac08c9d1/2bc1b370b56649e893b530570c0664f1 [2019-11-28 17:25:08,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:08,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:08,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:08,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:08,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:08,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:08" (1/1) ... [2019-11-28 17:25:08,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6822e6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:08, skipping insertion in model container [2019-11-28 17:25:08,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:08" (1/1) ... [2019-11-28 17:25:08,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:08,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:09,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:09,316 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:09,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:09,520 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:09,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09 WrapperNode [2019-11-28 17:25:09,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:09,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:09,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:09,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:09,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:09,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:09,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:09,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:09,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... [2019-11-28 17:25:09,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:09,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:09,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:09,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:09,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:10,723 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:10,724 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-28 17:25:10,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:10 BoogieIcfgContainer [2019-11-28 17:25:10,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:10,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:10,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:10,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:10,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:08" (1/3) ... [2019-11-28 17:25:10,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26aba97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:10, skipping insertion in model container [2019-11-28 17:25:10,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:09" (2/3) ... [2019-11-28 17:25:10,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26aba97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:10, skipping insertion in model container [2019-11-28 17:25:10,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:10" (3/3) ... [2019-11-28 17:25:10,738 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2019-11-28 17:25:10,746 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:10,755 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:10,766 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:10,789 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:10,789 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:10,789 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:10,789 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:10,790 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:10,790 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:10,790 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:10,790 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-11-28 17:25:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:10,817 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:10,818 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 17:25:10,818 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:10,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:10,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1765894020, now seen corresponding path program 1 times [2019-11-28 17:25:10,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:10,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388537000] [2019-11-28 17:25:10,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:11,062 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 17:25:11,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388537000] [2019-11-28 17:25:11,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:11,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:11,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555203622] [2019-11-28 17:25:11,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:11,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:11,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:11,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:11,093 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-11-28 17:25:11,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:11,132 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2019-11-28 17:25:11,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:11,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:11,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:11,149 INFO L225 Difference]: With dead ends: 223 [2019-11-28 17:25:11,149 INFO L226 Difference]: Without dead ends: 111 [2019-11-28 17:25:11,154 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 17:25:11,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-11-28 17:25:11,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-28 17:25:11,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-28 17:25:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2019-11-28 17:25:11,210 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2019-11-28 17:25:11,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:11,210 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-11-28 17:25:11,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2019-11-28 17:25:11,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:11,212 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:11,212 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 17:25:11,213 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:11,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:11,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1547058051, now seen corresponding path program 1 times [2019-11-28 17:25:11,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:11,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131258180] [2019-11-28 17:25:11,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:11,363 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 17:25:11,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131258180] [2019-11-28 17:25:11,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:11,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:11,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325992081] [2019-11-28 17:25:11,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:11,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:11,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:11,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:11,368 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 3 states. [2019-11-28 17:25:11,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:11,397 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2019-11-28 17:25:11,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:11,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:11,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:11,402 INFO L225 Difference]: With dead ends: 111 [2019-11-28 17:25:11,402 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 17:25:11,404 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 17:25:11,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 17:25:11,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 17:25:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 17:25:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-28 17:25:11,417 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-11-28 17:25:11,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:11,418 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-28 17:25:11,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:11,418 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-28 17:25:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:11,420 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:11,420 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 17:25:11,420 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:11,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:11,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1303013450, now seen corresponding path program 1 times [2019-11-28 17:25:11,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:11,422 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46823093] [2019-11-28 17:25:11,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:11,519 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 17:25:11,519 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46823093] [2019-11-28 17:25:11,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:11,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:11,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462771256] [2019-11-28 17:25:11,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:11,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:11,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:11,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:11,523 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2019-11-28 17:25:11,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:11,543 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2019-11-28 17:25:11,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:11,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:25:11,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:11,548 INFO L225 Difference]: With dead ends: 87 [2019-11-28 17:25:11,548 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 17:25:11,548 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 17:25:11,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 17:25:11,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 17:25:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 17:25:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-28 17:25:11,557 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-11-28 17:25:11,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:11,557 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-28 17:25:11,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:11,558 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-28 17:25:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:11,559 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:11,559 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:11,559 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:11,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:11,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1055953523, now seen corresponding path program 1 times [2019-11-28 17:25:11,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:11,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793573576] [2019-11-28 17:25:11,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:11,636 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 17:25:11,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793573576] [2019-11-28 17:25:11,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:11,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:11,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691682578] [2019-11-28 17:25:11,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:11,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:11,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:11,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:11,640 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-28 17:25:11,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:11,703 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2019-11-28 17:25:11,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:11,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:11,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:11,706 INFO L225 Difference]: With dead ends: 109 [2019-11-28 17:25:11,706 INFO L226 Difference]: Without dead ends: 69 [2019-11-28 17:25:11,707 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 17:25:11,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-28 17:25:11,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2019-11-28 17:25:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-28 17:25:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2019-11-28 17:25:11,726 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2019-11-28 17:25:11,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:11,731 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2019-11-28 17:25:11,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-11-28 17:25:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:25:11,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:11,732 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 17:25:11,733 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:11,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:11,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1518849596, now seen corresponding path program 1 times [2019-11-28 17:25:11,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:11,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218404371] [2019-11-28 17:25:11,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:11,841 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 17:25:11,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218404371] [2019-11-28 17:25:11,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:11,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:11,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956410827] [2019-11-28 17:25:11,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:11,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:11,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:11,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:11,844 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2019-11-28 17:25:11,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:11,959 INFO L93 Difference]: Finished difference Result 178 states and 252 transitions. [2019-11-28 17:25:11,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:11,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:25:11,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:11,961 INFO L225 Difference]: With dead ends: 178 [2019-11-28 17:25:11,961 INFO L226 Difference]: Without dead ends: 118 [2019-11-28 17:25:11,962 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 17:25:11,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-11-28 17:25:11,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 73. [2019-11-28 17:25:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-28 17:25:11,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2019-11-28 17:25:11,975 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 32 [2019-11-28 17:25:11,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:11,975 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2019-11-28 17:25:11,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2019-11-28 17:25:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:25:11,977 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:11,981 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 17:25:11,985 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:11,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:11,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1842653991, now seen corresponding path program 1 times [2019-11-28 17:25:11,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:11,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127163994] [2019-11-28 17:25:11,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:12,138 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 17:25:12,138 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127163994] [2019-11-28 17:25:12,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:12,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:12,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240179579] [2019-11-28 17:25:12,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:12,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:12,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:12,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:12,142 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 5 states. [2019-11-28 17:25:12,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:12,314 INFO L93 Difference]: Finished difference Result 349 states and 492 transitions. [2019-11-28 17:25:12,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:12,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:25:12,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:12,320 INFO L225 Difference]: With dead ends: 349 [2019-11-28 17:25:12,323 INFO L226 Difference]: Without dead ends: 283 [2019-11-28 17:25:12,325 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:12,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-11-28 17:25:12,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 131. [2019-11-28 17:25:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-28 17:25:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 180 transitions. [2019-11-28 17:25:12,370 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 180 transitions. Word has length 32 [2019-11-28 17:25:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:12,373 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 180 transitions. [2019-11-28 17:25:12,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 180 transitions. [2019-11-28 17:25:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:12,376 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:12,379 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] [2019-11-28 17:25:12,380 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:12,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:12,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1842810527, now seen corresponding path program 1 times [2019-11-28 17:25:12,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:12,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036275938] [2019-11-28 17:25:12,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:12,505 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 17:25:12,507 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036275938] [2019-11-28 17:25:12,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:12,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:12,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290415611] [2019-11-28 17:25:12,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:12,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:12,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:12,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:12,519 INFO L87 Difference]: Start difference. First operand 131 states and 180 transitions. Second operand 5 states. [2019-11-28 17:25:12,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:12,682 INFO L93 Difference]: Finished difference Result 490 states and 677 transitions. [2019-11-28 17:25:12,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:12,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:25:12,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:12,686 INFO L225 Difference]: With dead ends: 490 [2019-11-28 17:25:12,686 INFO L226 Difference]: Without dead ends: 366 [2019-11-28 17:25:12,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:12,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-11-28 17:25:12,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 130. [2019-11-28 17:25:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-28 17:25:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2019-11-28 17:25:12,711 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2019-11-28 17:25:12,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:12,711 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2019-11-28 17:25:12,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2019-11-28 17:25:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:12,713 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:12,714 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] [2019-11-28 17:25:12,716 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:12,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:12,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2075209658, now seen corresponding path program 1 times [2019-11-28 17:25:12,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:12,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204388813] [2019-11-28 17:25:12,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:12,811 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 17:25:12,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204388813] [2019-11-28 17:25:12,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:12,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:12,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299037271] [2019-11-28 17:25:12,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:12,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:12,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:12,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:12,815 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 5 states. [2019-11-28 17:25:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:12,913 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2019-11-28 17:25:12,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:12,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:25:12,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:12,916 INFO L225 Difference]: With dead ends: 349 [2019-11-28 17:25:12,916 INFO L226 Difference]: Without dead ends: 226 [2019-11-28 17:25:12,917 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 17:25:12,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-11-28 17:25:12,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2019-11-28 17:25:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 17:25:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2019-11-28 17:25:12,941 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2019-11-28 17:25:12,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:12,941 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2019-11-28 17:25:12,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2019-11-28 17:25:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:12,945 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:12,946 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] [2019-11-28 17:25:12,946 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:12,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:12,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1632951624, now seen corresponding path program 1 times [2019-11-28 17:25:12,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:12,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618179921] [2019-11-28 17:25:12,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,021 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 17:25:13,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618179921] [2019-11-28 17:25:13,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:13,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:13,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958184068] [2019-11-28 17:25:13,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:13,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:13,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:13,023 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 3 states. [2019-11-28 17:25:13,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,061 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2019-11-28 17:25:13,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:13,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 17:25:13,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,064 INFO L225 Difference]: With dead ends: 319 [2019-11-28 17:25:13,064 INFO L226 Difference]: Without dead ends: 188 [2019-11-28 17:25:13,065 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 17:25:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-11-28 17:25:13,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2019-11-28 17:25:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-11-28 17:25:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2019-11-28 17:25:13,089 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2019-11-28 17:25:13,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,089 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2019-11-28 17:25:13,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2019-11-28 17:25:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:25:13,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:13,093 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] [2019-11-28 17:25:13,093 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:13,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:13,094 INFO L82 PathProgramCache]: Analyzing trace with hash -767383544, now seen corresponding path program 1 times [2019-11-28 17:25:13,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:13,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601058931] [2019-11-28 17:25:13,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,144 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 17:25:13,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601058931] [2019-11-28 17:25:13,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:13,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:13,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33421855] [2019-11-28 17:25:13,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:13,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:13,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:13,148 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2019-11-28 17:25:13,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,202 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2019-11-28 17:25:13,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:13,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 17:25:13,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,205 INFO L225 Difference]: With dead ends: 287 [2019-11-28 17:25:13,205 INFO L226 Difference]: Without dead ends: 285 [2019-11-28 17:25:13,206 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 17:25:13,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-11-28 17:25:13,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2019-11-28 17:25:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-11-28 17:25:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2019-11-28 17:25:13,234 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2019-11-28 17:25:13,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,235 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2019-11-28 17:25:13,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2019-11-28 17:25:13,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-28 17:25:13,236 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:13,237 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:25:13,237 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:13,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:13,237 INFO L82 PathProgramCache]: Analyzing trace with hash 12630167, now seen corresponding path program 1 times [2019-11-28 17:25:13,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:13,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934065727] [2019-11-28 17:25:13,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-28 17:25:13,354 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934065727] [2019-11-28 17:25:13,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:13,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:13,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236899939] [2019-11-28 17:25:13,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:13,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:13,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:13,357 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand 6 states. [2019-11-28 17:25:13,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,577 INFO L93 Difference]: Finished difference Result 720 states and 968 transitions. [2019-11-28 17:25:13,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:25:13,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-11-28 17:25:13,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,580 INFO L225 Difference]: With dead ends: 720 [2019-11-28 17:25:13,580 INFO L226 Difference]: Without dead ends: 499 [2019-11-28 17:25:13,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:25:13,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-11-28 17:25:13,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2019-11-28 17:25:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-28 17:25:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2019-11-28 17:25:13,602 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2019-11-28 17:25:13,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,602 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2019-11-28 17:25:13,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2019-11-28 17:25:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:13,603 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:13,603 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:13,603 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:13,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:13,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1600290606, now seen corresponding path program 1 times [2019-11-28 17:25:13,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:13,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663817514] [2019-11-28 17:25:13,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:13,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663817514] [2019-11-28 17:25:13,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742754040] [2019-11-28 17:25:13,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:13,804 INFO L264 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 17:25:13,812 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:13,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:25:13,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-28 17:25:13,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471954611] [2019-11-28 17:25:13,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:13,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:13,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:13,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:13,846 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 3 states. [2019-11-28 17:25:13,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:13,933 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2019-11-28 17:25:13,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:13,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 17:25:13,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:13,935 INFO L225 Difference]: With dead ends: 325 [2019-11-28 17:25:13,935 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:13,935 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:13,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:13,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:13,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 17:25:13,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:13,936 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:13,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:13,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:14,142 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:14,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:14,921 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2019-11-28 17:25:15,170 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2019-11-28 17:25:15,428 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2019-11-28 17:25:15,620 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2019-11-28 17:25:15,756 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2019-11-28 17:25:15,876 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2019-11-28 17:25:16,093 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-11-28 17:25:16,317 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2019-11-28 17:25:16,321 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-11-28 17:25:16,322 INFO L242 CegarLoopResult]: At program point L168(lines 163 171) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~pumpRunning~0) .cse1 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:16,322 INFO L242 CegarLoopResult]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2019-11-28 17:25:16,322 INFO L242 CegarLoopResult]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2019-11-28 17:25:16,322 INFO L242 CegarLoopResult]: At program point L928(lines 1 939) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:16,322 INFO L246 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2019-11-28 17:25:16,322 INFO L246 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2019-11-28 17:25:16,322 INFO L246 CegarLoopResult]: For program point L435-1(line 435) no Hoare annotation was computed. [2019-11-28 17:25:16,322 INFO L246 CegarLoopResult]: For program point L435-2(line 435) no Hoare annotation was computed. [2019-11-28 17:25:16,323 INFO L242 CegarLoopResult]: At program point L303(lines 298 305) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:16,323 INFO L242 CegarLoopResult]: At program point L865(lines 861 867) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:16,323 INFO L246 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2019-11-28 17:25:16,324 INFO L249 CegarLoopResult]: At program point L901(lines 882 904) the Hoare annotation is: true [2019-11-28 17:25:16,324 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-11-28 17:25:16,324 INFO L246 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2019-11-28 17:25:16,324 INFO L242 CegarLoopResult]: At program point L936(lines 931 939) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:16,325 INFO L246 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-11-28 17:25:16,325 INFO L246 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2019-11-28 17:25:16,325 INFO L246 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2019-11-28 17:25:16,325 INFO L246 CegarLoopResult]: For program point L343-3(lines 343 347) no Hoare annotation was computed. [2019-11-28 17:25:16,325 INFO L246 CegarLoopResult]: For program point L277-2(lines 57 63) no Hoare annotation was computed. [2019-11-28 17:25:16,325 INFO L246 CegarLoopResult]: For program point L343-6(lines 343 347) no Hoare annotation was computed. [2019-11-28 17:25:16,325 INFO L246 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-11-28 17:25:16,326 INFO L246 CegarLoopResult]: For program point L115-1(lines 115 132) no Hoare annotation was computed. [2019-11-28 17:25:16,326 INFO L246 CegarLoopResult]: For program point L115-2(lines 115 132) no Hoare annotation was computed. [2019-11-28 17:25:16,326 INFO L242 CegarLoopResult]: At program point L380(lines 375 383) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2019-11-28 17:25:16,326 INFO L242 CegarLoopResult]: At program point L380-1(lines 375 383) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse1 .cse5 .cse6 .cse3) (and .cse0 .cse2 .cse7 .cse3 .cse4))) [2019-11-28 17:25:16,326 INFO L246 CegarLoopResult]: For program point L314(lines 314 331) no Hoare annotation was computed. [2019-11-28 17:25:16,326 INFO L242 CegarLoopResult]: At program point L380-2(lines 375 383) the Hoare annotation is: false [2019-11-28 17:25:16,327 INFO L242 CegarLoopResult]: At program point L314-1(lines 1 939) the Hoare annotation is: (let ((.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4 0) .cse3 .cse6))) [2019-11-28 17:25:16,327 INFO L242 CegarLoopResult]: At program point L380-3(lines 375 383) the Hoare annotation is: false [2019-11-28 17:25:16,327 INFO L246 CegarLoopResult]: For program point L314-2(lines 314 331) no Hoare annotation was computed. [2019-11-28 17:25:16,327 INFO L242 CegarLoopResult]: At program point L380-4(lines 375 383) the Hoare annotation is: false [2019-11-28 17:25:16,327 INFO L242 CegarLoopResult]: At program point L314-3(lines 1 939) the Hoare annotation is: false [2019-11-28 17:25:16,327 INFO L242 CegarLoopResult]: At program point L380-5(lines 375 383) the Hoare annotation is: false [2019-11-28 17:25:16,327 INFO L246 CegarLoopResult]: For program point L314-4(lines 314 331) no Hoare annotation was computed. [2019-11-28 17:25:16,327 INFO L242 CegarLoopResult]: At program point L314-5(lines 1 939) the Hoare annotation is: false [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-3(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-5(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-6(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-8(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-9(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-11(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-12(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,328 INFO L246 CegarLoopResult]: For program point L217-14(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,329 INFO L246 CegarLoopResult]: For program point L217-15(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,329 INFO L246 CegarLoopResult]: For program point L217-17(lines 217 221) no Hoare annotation was computed. [2019-11-28 17:25:16,329 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:16,329 INFO L246 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-11-28 17:25:16,329 INFO L242 CegarLoopResult]: At program point L251-1(lines 251 257) the Hoare annotation is: (let ((.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4 0) .cse3 .cse6))) [2019-11-28 17:25:16,329 INFO L246 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-11-28 17:25:16,329 INFO L246 CegarLoopResult]: For program point L119-1(lines 119 127) no Hoare annotation was computed. [2019-11-28 17:25:16,329 INFO L246 CegarLoopResult]: For program point L119-2(lines 119 127) no Hoare annotation was computed. [2019-11-28 17:25:16,330 INFO L246 CegarLoopResult]: For program point L318(lines 318 328) no Hoare annotation was computed. [2019-11-28 17:25:16,330 INFO L246 CegarLoopResult]: For program point L318-2(lines 318 328) no Hoare annotation was computed. [2019-11-28 17:25:16,330 INFO L246 CegarLoopResult]: For program point L318-4(lines 318 328) no Hoare annotation was computed. [2019-11-28 17:25:16,330 INFO L246 CegarLoopResult]: For program point L319(lines 319 325) no Hoare annotation was computed. [2019-11-28 17:25:16,330 INFO L246 CegarLoopResult]: For program point L319-2(lines 319 325) no Hoare annotation was computed. [2019-11-28 17:25:16,330 INFO L246 CegarLoopResult]: For program point L319-4(lines 319 325) no Hoare annotation was computed. [2019-11-28 17:25:16,330 INFO L242 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: false [2019-11-28 17:25:16,330 INFO L246 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L89-3(lines 89 106) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 106) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L89-5(lines 89 106) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L420-2(lines 420 426) no Hoare annotation was computed. [2019-11-28 17:25:16,331 INFO L246 CegarLoopResult]: For program point L420-3(lines 420 426) no Hoare annotation was computed. [2019-11-28 17:25:16,332 INFO L246 CegarLoopResult]: For program point L420-4(lines 420 426) no Hoare annotation was computed. [2019-11-28 17:25:16,332 INFO L246 CegarLoopResult]: For program point L420-5(lines 420 426) no Hoare annotation was computed. [2019-11-28 17:25:16,332 INFO L242 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse5 .cse2 .cse3 .cse6))) [2019-11-28 17:25:16,332 INFO L246 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2019-11-28 17:25:16,332 INFO L242 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2019-11-28 17:25:16,332 INFO L242 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2019-11-28 17:25:16,332 INFO L242 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: false [2019-11-28 17:25:16,332 INFO L246 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2019-11-28 17:25:16,333 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:16,334 INFO L242 CegarLoopResult]: At program point L223(lines 208 226) the Hoare annotation is: false [2019-11-28 17:25:16,334 INFO L242 CegarLoopResult]: At program point L223-1(lines 208 226) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse3 (= 0 ~methAndRunningLastTime~0) .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse1 .cse2 .cse3))) [2019-11-28 17:25:16,334 INFO L242 CegarLoopResult]: At program point L223-2(lines 208 226) the Hoare annotation is: false [2019-11-28 17:25:16,335 INFO L242 CegarLoopResult]: At program point L223-3(lines 208 226) the Hoare annotation is: false [2019-11-28 17:25:16,335 INFO L242 CegarLoopResult]: At program point L223-4(lines 208 226) the Hoare annotation is: false [2019-11-28 17:25:16,335 INFO L242 CegarLoopResult]: At program point L223-5(lines 208 226) the Hoare annotation is: false [2019-11-28 17:25:16,335 INFO L246 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2019-11-28 17:25:16,335 INFO L242 CegarLoopResult]: At program point L159(lines 152 162) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:25:16,336 INFO L242 CegarLoopResult]: At program point L159-1(lines 152 162) the Hoare annotation is: false [2019-11-28 17:25:16,336 INFO L246 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-11-28 17:25:16,336 INFO L242 CegarLoopResult]: At program point L159-2(lines 152 162) the Hoare annotation is: false [2019-11-28 17:25:16,337 INFO L246 CegarLoopResult]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2019-11-28 17:25:16,337 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2019-11-28 17:25:16,337 INFO L246 CegarLoopResult]: For program point L93-3(lines 93 101) no Hoare annotation was computed. [2019-11-28 17:25:16,338 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2019-11-28 17:25:16,338 INFO L246 CegarLoopResult]: For program point L93-5(lines 93 101) no Hoare annotation was computed. [2019-11-28 17:25:16,338 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:16,338 INFO L246 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-11-28 17:25:16,338 INFO L246 CegarLoopResult]: For program point L821-1(lines 57 63) no Hoare annotation was computed. [2019-11-28 17:25:16,338 INFO L242 CegarLoopResult]: At program point L425(lines 416 429) the Hoare annotation is: false [2019-11-28 17:25:16,339 INFO L242 CegarLoopResult]: At program point L425-1(lines 416 429) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse3 (= 0 ~methAndRunningLastTime~0) .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2 .cse3))) [2019-11-28 17:25:16,340 INFO L242 CegarLoopResult]: At program point L425-2(lines 416 429) the Hoare annotation is: false [2019-11-28 17:25:16,340 INFO L242 CegarLoopResult]: At program point L425-3(lines 416 429) the Hoare annotation is: false [2019-11-28 17:25:16,340 INFO L242 CegarLoopResult]: At program point L425-4(lines 416 429) the Hoare annotation is: false [2019-11-28 17:25:16,341 INFO L242 CegarLoopResult]: At program point L425-5(lines 416 429) the Hoare annotation is: false [2019-11-28 17:25:16,341 INFO L246 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-11-28 17:25:16,341 INFO L242 CegarLoopResult]: At program point L261-1(lines 261 267) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse6) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse5 .cse2 .cse3 .cse6))) [2019-11-28 17:25:16,341 INFO L242 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse4 .cse3 .cse5 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse2 .cse3 .cse5))) [2019-11-28 17:25:16,342 INFO L242 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2019-11-28 17:25:16,342 INFO L242 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2019-11-28 17:25:16,342 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:16,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-11-28 17:25:16,342 INFO L246 CegarLoopResult]: For program point L892(lines 892 899) no Hoare annotation was computed. [2019-11-28 17:25:16,342 INFO L249 CegarLoopResult]: At program point L892-1(lines 892 899) the Hoare annotation is: true [2019-11-28 17:25:16,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:16 BoogieIcfgContainer [2019-11-28 17:25:16,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:16,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:16,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:16,387 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:16,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:10" (3/4) ... [2019-11-28 17:25:16,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:16,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:16,427 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:16,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:16,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:16,430 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:16,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:16,432 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:16,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:16,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:16,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 17:25:16,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-11-28 17:25:16,474 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:16,474 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 17:25:16,475 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:16,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || ((((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:16,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 1 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:16,484 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:25:16,568 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:16,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:16,570 INFO L168 Benchmark]: Toolchain (without parser) took 7810.87 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 322.4 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -255.2 MB). Peak memory consumption was 67.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:16,570 INFO L168 Benchmark]: CDTParser took 0.80 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 17:25:16,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:16,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.15 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 17:25:16,571 INFO L168 Benchmark]: Boogie Preprocessor took 60.81 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 17:25:16,572 INFO L168 Benchmark]: RCFGBuilder took 1065.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:16,572 INFO L168 Benchmark]: TraceAbstraction took 5659.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -177.5 MB). Peak memory consumption was 319.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:16,573 INFO L168 Benchmark]: Witness Printer took 181.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:16,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 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 760.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.15 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 60.81 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 1065.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5659.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -177.5 MB). Peak memory consumption was 319.8 MB. Max. memory is 11.5 GB. * Witness Printer took 181.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 435]: 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: 298]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 1 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || ((((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || ((((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= pumpRunning) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Result: SAFE, OverallTime: 3.3s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 1109 SDtfs, 1206 SDslu, 1628 SDs, 0 SdLazy, 221 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, 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, 12 MinimizatonAttempts, 874 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 104 NumberOfFragments, 725 HoareAnnotationTreeSize, 43 FomulaSimplifications, 145068 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 2699 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 456 NumberOfCodeBlocks, 456 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 443 ConstructedInterpolants, 0 QuantifiedInterpolants, 37160 SizeOfPredicates, 1 NumberOfNonLiveVariables, 422 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 56/65 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...