./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51c3bbda42df3e7a563a36af727e140b310abe72 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:22:27,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:27,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:27,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:27,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:27,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:27,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:27,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:27,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:27,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:27,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:27,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:27,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:27,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:27,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:27,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:27,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:27,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:27,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:27,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:27,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:27,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:27,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:27,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:27,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:27,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:27,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:27,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:27,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:27,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:27,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:27,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:27,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:27,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:27,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:27,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:27,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:27,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:27,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:27,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:27,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:27,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:27,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:27,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:27,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:27,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:27,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:27,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:27,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:27,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:27,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:27,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:27,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:27,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:27,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:27,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:27,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:27,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:27,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:27,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:27,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:27,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:27,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:27,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:27,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:27,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:27,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:27,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:27,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:27,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:27,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2019-11-28 00:22:27,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:27,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:27,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:27,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:27,943 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:27,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-11-28 00:22:28,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a215c0f/dca8d2c13ea24ade8dd4ef2d4fe780d0/FLAGc36681b06 [2019-11-28 00:22:28,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:28,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-11-28 00:22:28,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a215c0f/dca8d2c13ea24ade8dd4ef2d4fe780d0/FLAGc36681b06 [2019-11-28 00:22:28,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a215c0f/dca8d2c13ea24ade8dd4ef2d4fe780d0 [2019-11-28 00:22:28,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:28,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:28,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:28,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:28,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:28,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:28" (1/1) ... [2019-11-28 00:22:28,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34097ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:28, skipping insertion in model container [2019-11-28 00:22:28,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:28" (1/1) ... [2019-11-28 00:22:28,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:28,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:29,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:29,351 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:29,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:29,488 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:29,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29 WrapperNode [2019-11-28 00:22:29,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:29,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:29,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:29,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:29,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:29,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:29,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:29,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:29,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... [2019-11-28 00:22:29,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:29,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:29,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:29,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:29,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:30,373 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:30,374 INFO L297 CfgBuilder]: Removed 66 assume(true) statements. [2019-11-28 00:22:30,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30 BoogieIcfgContainer [2019-11-28 00:22:30,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:30,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:30,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:30,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:30,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:28" (1/3) ... [2019-11-28 00:22:30,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404a9e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:30, skipping insertion in model container [2019-11-28 00:22:30,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:29" (2/3) ... [2019-11-28 00:22:30,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404a9e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:30, skipping insertion in model container [2019-11-28 00:22:30,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30" (3/3) ... [2019-11-28 00:22:30,387 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2019-11-28 00:22:30,398 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:30,406 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:30,419 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:30,442 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:30,442 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:30,442 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:30,442 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:30,443 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:30,443 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:30,443 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:30,443 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-11-28 00:22:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:22:30,466 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,467 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:30,468 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,473 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2019-11-28 00:22:30,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031131087] [2019-11-28 00:22:30,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:30,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031131087] [2019-11-28 00:22:30,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:30,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:30,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119068202] [2019-11-28 00:22:30,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:30,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:30,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:30,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:30,773 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-11-28 00:22:30,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:30,798 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-11-28 00:22:30,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:30,799 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:22:30,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:30,813 INFO L225 Difference]: With dead ends: 108 [2019-11-28 00:22:30,813 INFO L226 Difference]: Without dead ends: 53 [2019-11-28 00:22:30,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-28 00:22:30,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-28 00:22:30,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-28 00:22:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-11-28 00:22:30,856 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-11-28 00:22:30,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:30,857 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-11-28 00:22:30,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-11-28 00:22:30,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:22:30,858 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:30,858 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:30,859 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:30,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:30,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2019-11-28 00:22:30,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:30,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933924725] [2019-11-28 00:22:30,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:30,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933924725] [2019-11-28 00:22:30,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:30,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:30,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962350667] [2019-11-28 00:22:30,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:30,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:30,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:30,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:30,999 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-11-28 00:22:31,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:31,009 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-11-28 00:22:31,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:31,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:22:31,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:31,010 INFO L225 Difference]: With dead ends: 53 [2019-11-28 00:22:31,011 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 00:22:31,012 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:31,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 00:22:31,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-11-28 00:22:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-28 00:22:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-11-28 00:22:31,017 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-11-28 00:22:31,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:31,017 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-11-28 00:22:31,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:31,018 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-11-28 00:22:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:22:31,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:31,019 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:31,019 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:31,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:31,020 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2019-11-28 00:22:31,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:31,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896964423] [2019-11-28 00:22:31,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:31,144 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 00:22:31,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896964423] [2019-11-28 00:22:31,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:31,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:31,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697962021] [2019-11-28 00:22:31,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:22:31,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:31,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:22:31,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:22:31,147 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 6 states. [2019-11-28 00:22:31,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:31,415 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2019-11-28 00:22:31,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 00:22:31,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 00:22:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:31,420 INFO L225 Difference]: With dead ends: 142 [2019-11-28 00:22:31,420 INFO L226 Difference]: Without dead ends: 121 [2019-11-28 00:22:31,421 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-28 00:22:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-28 00:22:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2019-11-28 00:22:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 00:22:31,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2019-11-28 00:22:31,446 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 22 [2019-11-28 00:22:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:31,447 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2019-11-28 00:22:31,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2019-11-28 00:22:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 00:22:31,450 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:31,450 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:31,451 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:31,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:31,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2019-11-28 00:22:31,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:31,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386567977] [2019-11-28 00:22:31,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:31,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386567977] [2019-11-28 00:22:31,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:31,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:31,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963732182] [2019-11-28 00:22:31,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:31,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:31,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:31,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:31,580 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand 5 states. [2019-11-28 00:22:31,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:31,669 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2019-11-28 00:22:31,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:31,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 00:22:31,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:31,671 INFO L225 Difference]: With dead ends: 163 [2019-11-28 00:22:31,671 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:31,673 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:31,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:31,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:31,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-28 00:22:31,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:31,676 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:31,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:31,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:31,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:31,910 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 00:22:31,910 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:31,910 INFO L246 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-11-28 00:22:31,910 INFO L242 CegarLoopResult]: At program point L748(lines 1 855) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 00:22:31,911 INFO L242 CegarLoopResult]: At program point L682(lines 677 685) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:31,911 INFO L242 CegarLoopResult]: At program point L682-1(lines 677 685) the Hoare annotation is: false [2019-11-28 00:22:31,911 INFO L242 CegarLoopResult]: At program point L682-2(lines 677 685) the Hoare annotation is: false [2019-11-28 00:22:31,911 INFO L246 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-11-28 00:22:31,911 INFO L242 CegarLoopResult]: At program point L550-1(lines 550 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:31,912 INFO L242 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: false [2019-11-28 00:22:31,912 INFO L246 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-11-28 00:22:31,912 INFO L246 CegarLoopResult]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2019-11-28 00:22:31,913 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:31,913 INFO L246 CegarLoopResult]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2019-11-28 00:22:31,913 INFO L246 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2019-11-28 00:22:31,913 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 00:22:31,914 INFO L249 CegarLoopResult]: At program point L852(lines 833 855) the Hoare annotation is: true [2019-11-28 00:22:31,914 INFO L242 CegarLoopResult]: At program point L605(lines 604 623) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:31,915 INFO L246 CegarLoopResult]: For program point L605-1(lines 605 611) no Hoare annotation was computed. [2019-11-28 00:22:31,915 INFO L242 CegarLoopResult]: At program point L605-2(lines 604 623) the Hoare annotation is: false [2019-11-28 00:22:31,915 INFO L242 CegarLoopResult]: At program point L605-3(lines 604 623) the Hoare annotation is: false [2019-11-28 00:22:31,916 INFO L242 CegarLoopResult]: At program point L820(lines 816 822) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 00:22:31,916 INFO L242 CegarLoopResult]: At program point L523(lines 518 526) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:31,916 INFO L242 CegarLoopResult]: At program point L523-1(lines 518 526) the Hoare annotation is: false [2019-11-28 00:22:31,918 INFO L242 CegarLoopResult]: At program point L523-2(lines 518 526) the Hoare annotation is: false [2019-11-28 00:22:31,918 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:31,918 INFO L246 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-11-28 00:22:31,918 INFO L242 CegarLoopResult]: At program point L425-1(lines 1 855) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:31,918 INFO L246 CegarLoopResult]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2019-11-28 00:22:31,919 INFO L242 CegarLoopResult]: At program point L425-3(lines 1 855) the Hoare annotation is: false [2019-11-28 00:22:31,919 INFO L246 CegarLoopResult]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2019-11-28 00:22:31,919 INFO L242 CegarLoopResult]: At program point L425-5(lines 1 855) the Hoare annotation is: false [2019-11-28 00:22:31,920 INFO L242 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: false [2019-11-28 00:22:31,920 INFO L246 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2019-11-28 00:22:31,921 INFO L242 CegarLoopResult]: At program point L756(lines 751 759) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-28 00:22:31,921 INFO L246 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2019-11-28 00:22:31,921 INFO L246 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2019-11-28 00:22:31,921 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-28 00:22:31,922 INFO L246 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-11-28 00:22:31,922 INFO L246 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-11-28 00:22:31,922 INFO L246 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2019-11-28 00:22:31,922 INFO L246 CegarLoopResult]: For program point L576-2(lines 605 611) no Hoare annotation was computed. [2019-11-28 00:22:31,923 INFO L246 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-11-28 00:22:31,923 INFO L242 CegarLoopResult]: At program point L560-1(lines 560 566) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:31,923 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:31,923 INFO L246 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2019-11-28 00:22:31,924 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-28 00:22:31,924 INFO L246 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-28 00:22:31,924 INFO L246 CegarLoopResult]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-11-28 00:22:31,924 INFO L246 CegarLoopResult]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-11-28 00:22:31,924 INFO L246 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2019-11-28 00:22:31,925 INFO L246 CegarLoopResult]: For program point L776-1(lines 605 611) no Hoare annotation was computed. [2019-11-28 00:22:31,925 INFO L246 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2019-11-28 00:22:31,925 INFO L249 CegarLoopResult]: At program point L843-1(lines 843 850) the Hoare annotation is: true [2019-11-28 00:22:31,926 INFO L242 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:31,926 INFO L242 CegarLoopResult]: At program point L612-1(lines 612 618) the Hoare annotation is: false [2019-11-28 00:22:31,926 INFO L242 CegarLoopResult]: At program point L612-2(lines 612 618) the Hoare annotation is: false [2019-11-28 00:22:31,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:31 BoogieIcfgContainer [2019-11-28 00:22:31,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:31,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:31,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:31,954 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:31,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:30" (3/4) ... [2019-11-28 00:22:31,960 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:31,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:31,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:31,994 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:31,994 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:31,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:31,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:31,998 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:32,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:32,110 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:32,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:32,112 INFO L168 Benchmark]: Toolchain (without parser) took 3247.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.3 MB in the beginning and 960.7 MB in the end (delta: -4.3 MB). Peak memory consumption was 145.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,117 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:32,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.27 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,119 INFO L168 Benchmark]: Boogie Preprocessor took 33.75 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 00:22:32,121 INFO L168 Benchmark]: RCFGBuilder took 785.61 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: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,122 INFO L168 Benchmark]: TraceAbstraction took 1576.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.3 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,122 INFO L168 Benchmark]: Witness Printer took 156.25 ms. Allocated memory is still 1.2 GB. Free memory was 967.3 MB in the beginning and 960.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:32,125 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 624.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.27 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.75 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. * RCFGBuilder took 785.61 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: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1576.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.3 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. * Witness Printer took 156.25 ms. Allocated memory is still 1.2 GB. Free memory was 967.3 MB in the beginning and 960.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 213 SDtfs, 279 SDslu, 308 SDs, 0 SdLazy, 86 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 99 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1205 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...