./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:17:48,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:17:48,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:17:48,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:17:48,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:17:48,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:17:48,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:17:48,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:17:48,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:17:48,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:17:48,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:17:48,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:17:48,617 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:17:48,618 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:17:48,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:17:48,619 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:17:48,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:17:48,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:17:48,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:17:48,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:17:48,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:17:48,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:17:48,625 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:17:48,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:17:48,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:17:48,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:17:48,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:17:48,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:17:48,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:17:48,628 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:17:48,628 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:17:48,629 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:17:48,629 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:17:48,629 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:17:48,629 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:17:48,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:17:48,630 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:17:48,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:17:48,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:17:48,639 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:17:48,639 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:17:48,639 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:17:48,639 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:17:48,639 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:17:48,640 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:17:48,640 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:17:48,640 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:17:48,640 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:17:48,640 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:17:48,640 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:17:48,641 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:17:48,641 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:17:48,641 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:17:48,641 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:17:48,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:17:48,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:17:48,642 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:17:48,642 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:17:48,642 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:17:48,642 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:17:48,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:17:48,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:17:48,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:17:48,643 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:17:48,643 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:17:48,643 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:17:48,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:17:48,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:17:48,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:17:48,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:17:48,644 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:17:48,644 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:17:48,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:17:48,644 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:17:48,644 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan 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 -> Taipan 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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2018-11-23 00:17:48,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:17:48,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:17:48,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:17:48,681 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:17:48,681 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:17:48,682 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-23 00:17:48,723 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/data/b593d8e15/31276063d35e499caab0962ad028cd20/FLAG4090f8412 [2018-11-23 00:17:49,159 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:17:49,160 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-23 00:17:49,166 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/data/b593d8e15/31276063d35e499caab0962ad028cd20/FLAG4090f8412 [2018-11-23 00:17:49,178 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/data/b593d8e15/31276063d35e499caab0962ad028cd20 [2018-11-23 00:17:49,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:17:49,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:17:49,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:17:49,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:17:49,185 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:17:49,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f4658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49, skipping insertion in model container [2018-11-23 00:17:49,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:17:49,223 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:17:49,411 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:17:49,421 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:17:49,530 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:17:49,548 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:17:49,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49 WrapperNode [2018-11-23 00:17:49,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:17:49,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:17:49,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:17:49,549 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:17:49,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:17:49,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:17:49,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:17:49,575 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:17:49,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... [2018-11-23 00:17:49,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:17:49,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:17:49,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:17:49,604 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:17:49,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/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 [2018-11-23 00:17:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 00:17:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 00:17:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 00:17:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 00:17:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:17:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:17:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 00:17:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 00:17:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:17:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 00:17:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 00:17:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 00:17:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 00:17:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 00:17:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 00:17:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 00:17:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 00:17:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 00:17:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 00:17:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 00:17:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 00:17:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 00:17:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 00:17:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 00:17:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 00:17:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 00:17:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 00:17:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 00:17:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 00:17:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 00:17:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 00:17:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 00:17:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 00:17:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 00:17:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 00:17:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 00:17:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 00:17:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 00:17:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 00:17:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:17:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:17:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:17:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 00:17:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 00:17:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 00:17:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 00:17:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:17:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:17:49,993 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:17:49,993 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 00:17:49,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:17:49 BoogieIcfgContainer [2018-11-23 00:17:49,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:17:49,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:17:49,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:17:49,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:17:49,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:17:49" (1/3) ... [2018-11-23 00:17:49,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43681cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:17:49, skipping insertion in model container [2018-11-23 00:17:49,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:17:49" (2/3) ... [2018-11-23 00:17:49,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43681cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:17:49, skipping insertion in model container [2018-11-23 00:17:49,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:17:49" (3/3) ... [2018-11-23 00:17:49,999 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-23 00:17:50,008 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:17:50,014 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:17:50,028 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:17:50,053 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:17:50,053 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:17:50,053 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:17:50,054 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:17:50,054 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:17:50,054 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:17:50,054 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:17:50,054 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:17:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-23 00:17:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 00:17:50,073 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:17:50,074 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:17:50,076 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:17:50,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:17:50,081 INFO L82 PathProgramCache]: Analyzing trace with hash -908303214, now seen corresponding path program 1 times [2018-11-23 00:17:50,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:17:50,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:50,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:17:50,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:50,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:17:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:17:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:17:50,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:17:50,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:17:50,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:17:50,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:17:50,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:17:50,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:17:50,271 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-23 00:17:50,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:17:50,295 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2018-11-23 00:17:50,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:17:50,296 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 00:17:50,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:17:50,303 INFO L225 Difference]: With dead ends: 208 [2018-11-23 00:17:50,303 INFO L226 Difference]: Without dead ends: 104 [2018-11-23 00:17:50,306 INFO L631 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 [2018-11-23 00:17:50,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-23 00:17:50,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-23 00:17:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-23 00:17:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2018-11-23 00:17:50,339 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2018-11-23 00:17:50,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:17:50,339 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2018-11-23 00:17:50,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:17:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2018-11-23 00:17:50,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 00:17:50,341 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:17:50,342 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:17:50,342 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:17:50,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:17:50,342 INFO L82 PathProgramCache]: Analyzing trace with hash 2097366926, now seen corresponding path program 1 times [2018-11-23 00:17:50,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:17:50,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:50,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:17:50,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:50,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:17:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:17:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:17:50,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:17:50,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:17:50,415 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:17:50,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:17:50,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:17:50,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:17:50,417 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2018-11-23 00:17:50,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:17:50,434 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2018-11-23 00:17:50,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:17:50,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 00:17:50,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:17:50,436 INFO L225 Difference]: With dead ends: 157 [2018-11-23 00:17:50,436 INFO L226 Difference]: Without dead ends: 95 [2018-11-23 00:17:50,437 INFO L631 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 [2018-11-23 00:17:50,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-23 00:17:50,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-23 00:17:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-23 00:17:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-11-23 00:17:50,445 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2018-11-23 00:17:50,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:17:50,446 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-11-23 00:17:50,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:17:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-11-23 00:17:50,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 00:17:50,446 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:17:50,447 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:17:50,447 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:17:50,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:17:50,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1918459622, now seen corresponding path program 1 times [2018-11-23 00:17:50,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:17:50,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:50,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:17:50,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:50,448 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:17:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:17:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:17:50,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:17:50,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:17:50,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:17:50,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:17:50,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:17:50,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:17:50,573 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2018-11-23 00:17:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:17:50,733 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2018-11-23 00:17:50,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:17:50,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 00:17:50,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:17:50,735 INFO L225 Difference]: With dead ends: 166 [2018-11-23 00:17:50,735 INFO L226 Difference]: Without dead ends: 95 [2018-11-23 00:17:50,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:17:50,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-23 00:17:50,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-23 00:17:50,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-23 00:17:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-11-23 00:17:50,743 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2018-11-23 00:17:50,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:17:50,744 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-11-23 00:17:50,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:17:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-11-23 00:17:50,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 00:17:50,745 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:17:50,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:17:50,746 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:17:50,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:17:50,746 INFO L82 PathProgramCache]: Analyzing trace with hash 593277227, now seen corresponding path program 1 times [2018-11-23 00:17:50,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:17:50,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:50,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:17:50,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:50,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:17:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:17:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:17:50,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:17:50,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 00:17:50,918 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:17:50,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 00:17:50,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 00:17:50,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:17:50,919 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 10 states. [2018-11-23 00:17:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:17:51,213 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2018-11-23 00:17:51,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 00:17:51,214 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2018-11-23 00:17:51,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:17:51,216 INFO L225 Difference]: With dead ends: 288 [2018-11-23 00:17:51,216 INFO L226 Difference]: Without dead ends: 217 [2018-11-23 00:17:51,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:17:51,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-11-23 00:17:51,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2018-11-23 00:17:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-23 00:17:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 252 transitions. [2018-11-23 00:17:51,240 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 252 transitions. Word has length 59 [2018-11-23 00:17:51,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:17:51,241 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 252 transitions. [2018-11-23 00:17:51,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 00:17:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 252 transitions. [2018-11-23 00:17:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 00:17:51,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:17:51,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-11-23 00:17:51,243 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:17:51,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:17:51,243 INFO L82 PathProgramCache]: Analyzing trace with hash 12976471, now seen corresponding path program 1 times [2018-11-23 00:17:51,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:17:51,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:51,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:17:51,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:51,245 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:17:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:17:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:17:51,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:17:51,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:17:51,306 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:17:51,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:17:51,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:17:51,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:17:51,307 INFO L87 Difference]: Start difference. First operand 213 states and 252 transitions. Second operand 3 states. [2018-11-23 00:17:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:17:51,322 INFO L93 Difference]: Finished difference Result 338 states and 409 transitions. [2018-11-23 00:17:51,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:17:51,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-11-23 00:17:51,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:17:51,323 INFO L225 Difference]: With dead ends: 338 [2018-11-23 00:17:51,323 INFO L226 Difference]: Without dead ends: 149 [2018-11-23 00:17:51,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:17:51,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-23 00:17:51,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-23 00:17:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-23 00:17:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2018-11-23 00:17:51,338 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 67 [2018-11-23 00:17:51,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:17:51,338 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2018-11-23 00:17:51,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:17:51,339 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2018-11-23 00:17:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 00:17:51,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:17:51,340 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:17:51,340 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:17:51,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:17:51,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1990348266, now seen corresponding path program 1 times [2018-11-23 00:17:51,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:17:51,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:51,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:17:51,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:17:51,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:17:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:17:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 00:17:51,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:17:51,441 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:17:51,442 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 99 with the following transitions: [2018-11-23 00:17:51,443 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [50], [55], [70], [73], [74], [75], [84], [88], [92], [95], [100], [106], [108], [111], [128], [129], [130], [131], [144], [148], [154], [188], [194], [198], [199], [202], [203], [204], [205], [206], [208], [209], [210], [211], [212], [213], [214], [215], [216], [220], [228], [229], [230], [231], [234], [235], [240], [241], [242], [243], [248], [249], [250] [2018-11-23 00:17:51,469 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:17:51,469 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:17:51,796 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 00:17:51,797 INFO L272 AbstractInterpreter]: Visited 60 different actions 68 times. Merged at 5 different actions 5 times. Never widened. Performed 2580 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2580 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-23 00:17:51,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:17:51,809 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 00:17:52,051 INFO L227 lantSequenceWeakener]: Weakened 88 states. On average, predicates are now at 97.36% of their original sizes. [2018-11-23 00:17:52,051 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 00:17:52,143 INFO L415 sIntCurrentIteration]: We unified 97 AI predicates to 97 [2018-11-23 00:17:52,143 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 00:17:52,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 00:17:52,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-11-23 00:17:52,144 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:17:52,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 00:17:52,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 00:17:52,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2018-11-23 00:17:52,145 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 17 states. [2018-11-23 00:17:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:17:53,457 INFO L93 Difference]: Finished difference Result 189 states and 214 transitions. [2018-11-23 00:17:53,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 00:17:53,457 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 98 [2018-11-23 00:17:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:17:53,457 INFO L225 Difference]: With dead ends: 189 [2018-11-23 00:17:53,457 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:17:53,458 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 98 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-11-23 00:17:53,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:17:53,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:17:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:17:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:17:53,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2018-11-23 00:17:53,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:17:53,459 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:17:53,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 00:17:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:17:53,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:17:53,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:17:54,097 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2018-11-23 00:17:54,097 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2018-11-23 00:17:54,097 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2018-11-23 00:17:54,097 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2018-11-23 00:17:54,097 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 00:17:54,098 INFO L448 ceAbstractionStarter]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2018-11-23 00:17:54,098 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 323 347) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 00:17:54,098 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 00:17:54,098 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 00:17:54,098 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 339) no Hoare annotation was computed. [2018-11-23 00:17:54,098 INFO L444 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 00:17:54,098 INFO L448 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2018-11-23 00:17:54,098 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2018-11-23 00:17:54,098 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2018-11-23 00:17:54,098 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2018-11-23 00:17:54,099 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2018-11-23 00:17:54,099 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2018-11-23 00:17:54,099 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2018-11-23 00:17:54,099 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2018-11-23 00:17:54,099 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2018-11-23 00:17:54,099 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 217 280) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:17:54,099 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2018-11-23 00:17:54,099 INFO L444 ceAbstractionStarter]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:17:54,099 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-11-23 00:17:54,099 INFO L444 ceAbstractionStarter]: At program point L263-2(lines 257 268) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 00:17:54,100 INFO L448 ceAbstractionStarter]: For program point L228(lines 227 272) no Hoare annotation was computed. [2018-11-23 00:17:54,100 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 268) no Hoare annotation was computed. [2018-11-23 00:17:54,100 INFO L444 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 00:17:54,100 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 253) no Hoare annotation was computed. [2018-11-23 00:17:54,100 INFO L448 ceAbstractionStarter]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2018-11-23 00:17:54,100 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 00:17:54,100 INFO L444 ceAbstractionStarter]: At program point L270(lines 227 272) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) .cse0 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 00:17:54,100 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-11-23 00:17:54,100 INFO L448 ceAbstractionStarter]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2018-11-23 00:17:54,100 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 233) no Hoare annotation was computed. [2018-11-23 00:17:54,101 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2018-11-23 00:17:54,101 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-23 00:17:54,101 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 00:17:54,101 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-23 00:17:54,101 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 00:17:54,101 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-23 00:17:54,101 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-23 00:17:54,101 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-23 00:17:54,101 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-23 00:17:54,101 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-23 00:17:54,101 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-23 00:17:54,102 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) (= main_~tmp~1 1) (= ~pumpRunning~0 0))) [2018-11-23 00:17:54,102 INFO L444 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) (= main_~tmp~1 1) (= ~pumpRunning~0 0))) [2018-11-23 00:17:54,102 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 166) no Hoare annotation was computed. [2018-11-23 00:17:54,102 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2018-11-23 00:17:54,102 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 149 171) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:17:54,102 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 00:17:54,102 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:17:54,102 INFO L444 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:17:54,102 INFO L444 ceAbstractionStarter]: At program point L155-1(line 155) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 433) no Hoare annotation was computed. [2018-11-23 00:17:54,103 INFO L451 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: true [2018-11-23 00:17:54,103 INFO L448 ceAbstractionStarter]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: true [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 00:17:54,104 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 291 314) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 00:17:54,104 INFO L444 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~waterLevel~0 2) .cse1) .cse2 (not (= |old(~waterLevel~0)| 2))) (or (and (= ~waterLevel~0 1) .cse1) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2018-11-23 00:17:54,104 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 00:17:54,104 INFO L448 ceAbstractionStarter]: For program point L295(lines 294 313) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L451 ceAbstractionStarter]: At program point L96(lines 71 100) the Hoare annotation is: true [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L451 ceAbstractionStarter]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L451 ceAbstractionStarter]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2018-11-23 00:17:54,105 INFO L451 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2018-11-23 00:17:54,105 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2018-11-23 00:17:54,106 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2018-11-23 00:17:54,106 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2018-11-23 00:17:54,106 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:17:54,106 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 00:17:54,106 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:17:54,106 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:17:54,106 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2018-11-23 00:17:54,106 INFO L448 ceAbstractionStarter]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2018-11-23 00:17:54,106 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 454 465) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2018-11-23 00:17:54,106 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2018-11-23 00:17:54,106 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2018-11-23 00:17:54,107 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2018-11-23 00:17:54,107 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2018-11-23 00:17:54,107 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 136 145) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:17:54,107 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2018-11-23 00:17:54,107 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2018-11-23 00:17:54,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:17:54 BoogieIcfgContainer [2018-11-23 00:17:54,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:17:54,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:17:54,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:17:54,117 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:17:54,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:17:49" (3/4) ... [2018-11-23 00:17:54,121 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:17:54,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 00:17:54,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 00:17:54,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 00:17:54,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 00:17:54,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 00:17:54,134 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 00:17:54,134 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 00:17:54,134 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 00:17:54,134 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:17:54,135 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:17:54,135 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:17:54,135 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:17:54,151 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 00:17:54,151 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 00:17:54,180 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_88925c0a-cc62-4a80-a4d5-ea50f49ca33b/bin-2019/utaipan/witness.graphml [2018-11-23 00:17:54,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:17:54,181 INFO L168 Benchmark]: Toolchain (without parser) took 5000.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 955.5 MB in the beginning and 858.5 MB in the end (delta: 97.0 MB). Peak memory consumption was 274.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:17:54,182 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:17:54,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:17:54,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:17:54,183 INFO L168 Benchmark]: Boogie Preprocessor took 28.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:17:54,183 INFO L168 Benchmark]: RCFGBuilder took 389.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:17:54,183 INFO L168 Benchmark]: TraceAbstraction took 4122.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 865.1 MB in the end (delta: 186.2 MB). Peak memory consumption was 251.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:17:54,183 INFO L168 Benchmark]: Witness Printer took 63.21 ms. Allocated memory is still 1.2 GB. Free memory was 865.1 MB in the beginning and 858.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:17:54,185 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 389.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4122.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 865.1 MB in the end (delta: 186.2 MB). Peak memory consumption was 251.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.21 ms. Allocated memory is still 1.2 GB. Free memory was 865.1 MB in the beginning and 858.5 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: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (((((waterLevel == 2 && pumpRunning == 0) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 637 SDtfs, 413 SDslu, 1586 SDs, 0 SdLazy, 578 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 143 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9973111745557153 AbsIntWeakeningRatio, 0.9690721649484536 AbsIntAvgWeakeningVarsNumRemoved, 88.82474226804123 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 279 PreInvPairs, 292 NumberOfFragments, 728 HoareAnnotationTreeSize, 279 FomulaSimplifications, 139 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 680 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 47662 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 27/31 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...