./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_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_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer --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 d3ebf7e0857ea2577a0261191567e6475555f928 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:41:00,571 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:41:00,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:41:00,580 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:41:00,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:41:00,581 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:41:00,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:41:00,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:41:00,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:41:00,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:41:00,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:41:00,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:41:00,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:41:00,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:41:00,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:41:00,588 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:41:00,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:41:00,590 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:41:00,592 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:41:00,593 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:41:00,593 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:41:00,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:41:00,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:41:00,596 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:41:00,596 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:41:00,597 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:41:00,598 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:41:00,598 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:41:00,599 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:41:00,600 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:41:00,600 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:41:00,600 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:41:00,601 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:41:00,601 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:41:00,601 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:41:00,602 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:41:00,602 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 11:41:00,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:41:00,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:41:00,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:41:00,613 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:41:00,614 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:41:00,614 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:41:00,614 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:41:00,614 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:41:00,614 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:41:00,614 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:41:00,614 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:41:00,615 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:41:00,615 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:41:00,615 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:41:00,615 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:41:00,615 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:41:00,615 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:41:00,615 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:41:00,615 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:41:00,616 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:41:00,616 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:41:00,616 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:41:00,616 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:41:00,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:41:00,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:41:00,616 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:41:00,616 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:41:00,616 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 11:41:00,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:41:00,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:41:00,617 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer 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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-11-23 11:41:00,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:41:00,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:41:00,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:41:00,652 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:41:00,652 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:41:00,652 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-23 11:41:00,688 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/data/ed30671b2/a50b7162a1a34ef08294cbd69d1d3931/FLAG4acbc695d [2018-11-23 11:41:01,115 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:41:01,115 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/sv-benchmarks/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-23 11:41:01,122 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/data/ed30671b2/a50b7162a1a34ef08294cbd69d1d3931/FLAG4acbc695d [2018-11-23 11:41:01,134 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/data/ed30671b2/a50b7162a1a34ef08294cbd69d1d3931 [2018-11-23 11:41:01,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:41:01,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:41:01,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:41:01,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:41:01,139 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:41:01,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,142 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 11:41:01, skipping insertion in model container [2018-11-23 11:41:01,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:41:01,179 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:41:01,364 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:41:01,373 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:41:01,479 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:41:01,497 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:41:01,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01 WrapperNode [2018-11-23 11:41:01,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:41:01,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:41:01,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:41:01,498 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:41:01,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:41:01,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:41:01,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:41:01,525 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:41:01,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... [2018-11-23 11:41:01,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:41:01,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:41:01,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:41:01,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:41:01,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/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 11:41:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 11:41:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 11:41:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:41:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:41:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 11:41:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 11:41:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:41:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 11:41:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 11:41:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 11:41:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 11:41:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 11:41:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 11:41:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 11:41:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 11:41:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 11:41:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 11:41:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 11:41:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 11:41:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 11:41:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 11:41:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 11:41:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 11:41:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 11:41:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 11:41:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 11:41:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 11:41:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 11:41:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 11:41:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 11:41:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 11:41:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 11:41:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 11:41:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 11:41:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 11:41:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 11:41:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 11:41:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 11:41:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 11:41:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 11:41:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 11:41:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 11:41:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 11:41:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 11:41:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 11:41:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 11:41:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 11:41:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 11:41:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 11:41:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 11:41:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 11:41:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 11:41:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:41:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:41:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 11:41:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 11:41:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 11:41:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 11:41:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:41:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:41:02,075 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:41:02,075 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 11:41:02,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:02 BoogieIcfgContainer [2018-11-23 11:41:02,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:41:02,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:41:02,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:41:02,079 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:41:02,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:41:01" (1/3) ... [2018-11-23 11:41:02,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2159f1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:41:02, skipping insertion in model container [2018-11-23 11:41:02,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:01" (2/3) ... [2018-11-23 11:41:02,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2159f1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:41:02, skipping insertion in model container [2018-11-23 11:41:02,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:02" (3/3) ... [2018-11-23 11:41:02,082 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-23 11:41:02,090 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:41:02,097 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:41:02,110 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:41:02,136 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:41:02,137 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:41:02,137 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:41:02,137 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:41:02,137 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:41:02,137 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:41:02,137 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:41:02,138 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:41:02,138 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:41:02,155 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-11-23 11:41:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 11:41:02,163 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:02,164 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 11:41:02,166 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:02,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:02,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1907958204, now seen corresponding path program 1 times [2018-11-23 11:41:02,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:02,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:02,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:02,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:02,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:02,361 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 11:41:02,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:02,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 11:41:02,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 11:41:02,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 11:41:02,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 11:41:02,375 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-11-23 11:41:02,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:02,406 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2018-11-23 11:41:02,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 11:41:02,407 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 11:41:02,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:02,416 INFO L225 Difference]: With dead ends: 278 [2018-11-23 11:41:02,416 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 11:41:02,419 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 11:41:02,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 11:41:02,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 11:41:02,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 11:41:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2018-11-23 11:41:02,461 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2018-11-23 11:41:02,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:02,462 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2018-11-23 11:41:02,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 11:41:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2018-11-23 11:41:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 11:41:02,465 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:02,465 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] [2018-11-23 11:41:02,465 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:02,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:02,466 INFO L82 PathProgramCache]: Analyzing trace with hash -32224306, now seen corresponding path program 1 times [2018-11-23 11:41:02,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:02,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:02,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:02,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:02,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:02,549 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 11:41:02,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:02,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:41:02,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:41:02,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:41:02,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:41:02,552 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2018-11-23 11:41:02,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:02,571 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2018-11-23 11:41:02,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:41:02,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 11:41:02,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:02,574 INFO L225 Difference]: With dead ends: 221 [2018-11-23 11:41:02,575 INFO L226 Difference]: Without dead ends: 132 [2018-11-23 11:41:02,576 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 11:41:02,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-23 11:41:02,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-23 11:41:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-23 11:41:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2018-11-23 11:41:02,587 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2018-11-23 11:41:02,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:02,587 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2018-11-23 11:41:02,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:41:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2018-11-23 11:41:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 11:41:02,589 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:02,589 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] [2018-11-23 11:41:02,589 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:02,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:02,590 INFO L82 PathProgramCache]: Analyzing trace with hash 145716492, now seen corresponding path program 1 times [2018-11-23 11:41:02,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:02,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:02,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:02,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:02,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:02,725 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 11:41:02,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:02,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 11:41:02,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 11:41:02,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 11:41:02,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:41:02,726 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 7 states. [2018-11-23 11:41:03,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:03,153 INFO L93 Difference]: Finished difference Result 391 states and 480 transitions. [2018-11-23 11:41:03,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:41:03,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 11:41:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:03,156 INFO L225 Difference]: With dead ends: 391 [2018-11-23 11:41:03,157 INFO L226 Difference]: Without dead ends: 287 [2018-11-23 11:41:03,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 11:41:03,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-23 11:41:03,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-11-23 11:41:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-23 11:41:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2018-11-23 11:41:03,186 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2018-11-23 11:41:03,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:03,187 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2018-11-23 11:41:03,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 11:41:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2018-11-23 11:41:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 11:41:03,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:03,189 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] [2018-11-23 11:41:03,190 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:03,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:03,190 INFO L82 PathProgramCache]: Analyzing trace with hash 96715133, now seen corresponding path program 1 times [2018-11-23 11:41:03,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:03,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:03,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:03,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:03,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:03,292 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 11:41:03,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:03,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:41:03,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:41:03,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:41:03,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:41:03,293 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 6 states. [2018-11-23 11:41:03,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:03,440 INFO L93 Difference]: Finished difference Result 763 states and 960 transitions. [2018-11-23 11:41:03,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:41:03,441 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 11:41:03,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:03,446 INFO L225 Difference]: With dead ends: 763 [2018-11-23 11:41:03,446 INFO L226 Difference]: Without dead ends: 512 [2018-11-23 11:41:03,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:41:03,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-23 11:41:03,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-11-23 11:41:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-11-23 11:41:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2018-11-23 11:41:03,487 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2018-11-23 11:41:03,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:03,488 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2018-11-23 11:41:03,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:41:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2018-11-23 11:41:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 11:41:03,491 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:03,491 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] [2018-11-23 11:41:03,491 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:03,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:03,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1885698951, now seen corresponding path program 1 times [2018-11-23 11:41:03,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:03,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:03,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:03,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:03,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:03,601 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 11:41:03,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:03,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 11:41:03,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 11:41:03,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 11:41:03,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:41:03,602 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 7 states. [2018-11-23 11:41:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:04,005 INFO L93 Difference]: Finished difference Result 1329 states and 1750 transitions. [2018-11-23 11:41:04,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 11:41:04,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 11:41:04,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:04,010 INFO L225 Difference]: With dead ends: 1329 [2018-11-23 11:41:04,010 INFO L226 Difference]: Without dead ends: 851 [2018-11-23 11:41:04,012 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 11:41:04,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-23 11:41:04,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 755. [2018-11-23 11:41:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-23 11:41:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 919 transitions. [2018-11-23 11:41:04,055 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 919 transitions. Word has length 66 [2018-11-23 11:41:04,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:04,056 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 919 transitions. [2018-11-23 11:41:04,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 11:41:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 919 transitions. [2018-11-23 11:41:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 11:41:04,058 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:04,059 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:04,059 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:04,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:04,059 INFO L82 PathProgramCache]: Analyzing trace with hash -955609821, now seen corresponding path program 1 times [2018-11-23 11:41:04,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:04,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:04,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:04,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:04,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:41:04,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:04,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:41:04,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:41:04,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:41:04,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:41:04,146 INFO L87 Difference]: Start difference. First operand 755 states and 919 transitions. Second operand 6 states. [2018-11-23 11:41:04,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:04,194 INFO L93 Difference]: Finished difference Result 1510 states and 1898 transitions. [2018-11-23 11:41:04,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:41:04,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 11:41:04,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:04,198 INFO L225 Difference]: With dead ends: 1510 [2018-11-23 11:41:04,198 INFO L226 Difference]: Without dead ends: 783 [2018-11-23 11:41:04,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:41:04,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-11-23 11:41:04,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 775. [2018-11-23 11:41:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-11-23 11:41:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-11-23 11:41:04,227 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 103 [2018-11-23 11:41:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:04,228 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-11-23 11:41:04,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:41:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-11-23 11:41:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 11:41:04,230 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:04,230 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:04,230 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:04,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:04,231 INFO L82 PathProgramCache]: Analyzing trace with hash 972662881, now seen corresponding path program 1 times [2018-11-23 11:41:04,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:04,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:04,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:04,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:04,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:41:04,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:04,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 11:41:04,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 11:41:04,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 11:41:04,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:41:04,319 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 8 states. [2018-11-23 11:41:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:04,362 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-11-23 11:41:04,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:41:04,363 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-23 11:41:04,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:04,366 INFO L225 Difference]: With dead ends: 1550 [2018-11-23 11:41:04,366 INFO L226 Difference]: Without dead ends: 803 [2018-11-23 11:41:04,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:41:04,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-11-23 11:41:04,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 791. [2018-11-23 11:41:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-23 11:41:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-11-23 11:41:04,392 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 103 [2018-11-23 11:41:04,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:04,393 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-11-23 11:41:04,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 11:41:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-11-23 11:41:04,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 11:41:04,394 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:04,394 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:04,395 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:04,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:04,395 INFO L82 PathProgramCache]: Analyzing trace with hash 732122752, now seen corresponding path program 1 times [2018-11-23 11:41:04,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:04,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:04,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:04,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:04,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:41:04,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:04,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:41:04,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:41:04,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:41:04,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:41:04,479 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 4 states. [2018-11-23 11:41:04,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:04,642 INFO L93 Difference]: Finished difference Result 2497 states and 3166 transitions. [2018-11-23 11:41:04,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:41:04,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 11:41:04,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:04,648 INFO L225 Difference]: With dead ends: 2497 [2018-11-23 11:41:04,648 INFO L226 Difference]: Without dead ends: 1734 [2018-11-23 11:41:04,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:41:04,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2018-11-23 11:41:04,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1703. [2018-11-23 11:41:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-11-23 11:41:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2111 transitions. [2018-11-23 11:41:04,709 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2111 transitions. Word has length 103 [2018-11-23 11:41:04,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:04,709 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 2111 transitions. [2018-11-23 11:41:04,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:41:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2111 transitions. [2018-11-23 11:41:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 11:41:04,711 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:04,712 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:04,712 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:04,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:04,712 INFO L82 PathProgramCache]: Analyzing trace with hash -737330874, now seen corresponding path program 1 times [2018-11-23 11:41:04,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:04,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:04,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:04,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:04,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:04,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 11:41:04,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:04,823 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 11:41:04,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:04,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:41:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:05,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:41:05,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 11:41:05,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 11:41:05,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 11:41:05,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 11:41:05,073 INFO L87 Difference]: Start difference. First operand 1703 states and 2111 transitions. Second operand 19 states. [2018-11-23 11:41:05,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:05,792 INFO L93 Difference]: Finished difference Result 3348 states and 4198 transitions. [2018-11-23 11:41:05,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 11:41:05,792 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-23 11:41:05,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:05,797 INFO L225 Difference]: With dead ends: 3348 [2018-11-23 11:41:05,797 INFO L226 Difference]: Without dead ends: 1673 [2018-11-23 11:41:05,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 11:41:05,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2018-11-23 11:41:05,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2018-11-23 11:41:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2018-11-23 11:41:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2029 transitions. [2018-11-23 11:41:05,860 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2029 transitions. Word has length 107 [2018-11-23 11:41:05,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:05,860 INFO L480 AbstractCegarLoop]: Abstraction has 1673 states and 2029 transitions. [2018-11-23 11:41:05,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 11:41:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2029 transitions. [2018-11-23 11:41:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 11:41:05,865 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:05,865 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:41:05,865 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:05,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:05,865 INFO L82 PathProgramCache]: Analyzing trace with hash 809644560, now seen corresponding path program 1 times [2018-11-23 11:41:05,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 11:41:05,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 11:41:05,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:05,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:05,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 11:41:05,981 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:05,981 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 11:41:05,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:06,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:41:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 11:41:06,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:41:06,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 11:41:06,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 11:41:06,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 11:41:06,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 11:41:06,185 INFO L87 Difference]: Start difference. First operand 1673 states and 2029 transitions. Second operand 19 states. [2018-11-23 11:41:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:06,792 INFO L93 Difference]: Finished difference Result 2831 states and 3497 transitions. [2018-11-23 11:41:06,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 11:41:06,792 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 158 [2018-11-23 11:41:06,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:06,793 INFO L225 Difference]: With dead ends: 2831 [2018-11-23 11:41:06,793 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:41:06,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 11:41:06,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:41:06,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:41:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:41:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:41:06,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-11-23 11:41:06,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:06,798 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:41:06,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 11:41:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:41:06,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:41:06,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:41:06,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:06,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:07,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:07,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:07,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:07,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:07,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:07,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:41:07,670 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2018-11-23 11:41:08,087 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2018-11-23 11:41:08,860 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-11-23 11:41:09,298 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-23 11:41:09,298 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-23 11:41:09,298 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-23 11:41:09,298 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-23 11:41:09,298 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-23 11:41:09,298 INFO L444 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,298 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,298 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2018-11-23 11:41:09,298 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2018-11-23 11:41:09,299 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,299 INFO L444 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,299 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2018-11-23 11:41:09,299 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2018-11-23 11:41:09,299 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 11:41:09,299 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,299 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,299 INFO L448 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2018-11-23 11:41:09,299 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2018-11-23 11:41:09,299 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:41:09,299 INFO L444 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 11:41:09,299 INFO L448 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2018-11-23 11:41:09,299 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2018-11-23 11:41:09,299 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)))) [2018-11-23 11:41:09,300 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse1) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:41:09,300 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse5) (or .cse1 .cse6) (or .cse3 .cse2 .cse6))) [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (= ~systemActive~0 1)) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (not (= ~systemActive~0 0)) .cse2)) (.cse4 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse1) (or .cse3 .cse6 .cse7) (or .cse3 .cse0 .cse2) (or .cse5 .cse4 .cse1)))) [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-23 11:41:09,300 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2018-11-23 11:41:09,300 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,300 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L451 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L444 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0))) [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L444 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2018-11-23 11:41:09,301 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-23 11:41:09,301 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:41:09,301 INFO L448 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2018-11-23 11:41:09,302 INFO L444 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 11:41:09,302 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L444 ceAbstractionStarter]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 11:41:09,302 INFO L444 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2))) [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L444 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2018-11-23 11:41:09,302 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L444 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-11-23 11:41:09,303 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L444 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2018-11-23 11:41:09,303 INFO L451 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: true [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: true [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: true [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-11-23 11:41:09,304 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 11:41:09,305 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse4)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse0) (or .cse4 (and .cse6 .cse0) .cse5 .cse2) (or .cse3 .cse5 .cse0) (or .cse5 .cse7 .cse2 (and .cse8 .cse0)) (or .cse3 .cse5 .cse8 .cse7) (or .cse3 .cse4 .cse1 .cse6) (or .cse4 .cse6 .cse1 .cse2)))) [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse8)) (.cse3 (= 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5 (and .cse3 .cse7)) (or .cse6 .cse1 .cse0) (or .cse8 .cse4 .cse9 .cse2) (or (and .cse7 .cse9) .cse6 .cse8 .cse4) (or .cse7 .cse4 .cse2)))) [2018-11-23 11:41:09,305 INFO L444 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1)))) (let ((.cse7 (and (not .cse9) .cse6)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse8 .cse9 .cse7 .cse2) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 (= 0 ~pumpRunning~0)) (or .cse4 .cse0 .cse3 .cse1)))) [2018-11-23 11:41:09,305 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2018-11-23 11:41:09,305 INFO L444 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4))) [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: true [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2018-11-23 11:41:09,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:41:09,306 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-23 11:41:09,306 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:41:09,307 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:41:09,307 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2018-11-23 11:41:09,307 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-11-23 11:41:09,307 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 1 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-11-23 11:41:09,307 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 11:41:09,307 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 11:41:09,307 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 11:41:09,307 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 11:41:09,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:41:09 BoogieIcfgContainer [2018-11-23 11:41:09,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:41:09,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:41:09,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:41:09,317 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:41:09,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:02" (3/4) ... [2018-11-23 11:41:09,321 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:41:09,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 11:41:09,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 11:41:09,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:41:09,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 11:41:09,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 11:41:09,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 11:41:09,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 11:41:09,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 11:41:09,334 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 11:41:09,334 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 11:41:09,334 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 11:41:09,334 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 11:41:09,335 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:41:09,335 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:41:09,335 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:41:09,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-11-23 11:41:09,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 11:41:09,391 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e20a558-3c3d-4123-a926-66fbfc684b95/bin-2019/uautomizer/witness.graphml [2018-11-23 11:41:09,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:41:09,391 INFO L168 Benchmark]: Toolchain (without parser) took 8255.03 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 381.7 MB). Free memory was 951.1 MB in the beginning and 1.3 GB in the end (delta: -307.1 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:09,392 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:41:09,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:09,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:41:09,393 INFO L168 Benchmark]: Boogie Preprocessor took 32.03 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:09,393 INFO L168 Benchmark]: RCFGBuilder took 518.23 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:09,393 INFO L168 Benchmark]: TraceAbstraction took 7240.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 238.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -194.8 MB). Peak memory consumption was 357.3 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:09,393 INFO L168 Benchmark]: Witness Printer took 73.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:09,395 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.03 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 518.23 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7240.73 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 238.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -194.8 MB). Peak memory consumption was 357.3 MB. Max. memory is 11.5 GB. * Witness Printer took 73.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 917]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 154 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1899 SDtfs, 1299 SDslu, 7733 SDs, 0 SdLazy, 3091 SolverSat, 196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 290 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1703occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 161 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3298 PreInvPairs, 3537 NumberOfFragments, 1787 HoareAnnotationTreeSize, 3298 FomulaSimplifications, 4129 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 65 FomulaSimplificationsInter, 13854 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1126 NumberOfCodeBlocks, 1126 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1114 ConstructedInterpolants, 0 QuantifiedInterpolants, 183323 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1692 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 107/111 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...