./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_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_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/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 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:09:48,533 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:09:48,534 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:09:48,543 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:09:48,543 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:09:48,544 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:09:48,545 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:09:48,546 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:09:48,547 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:09:48,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:09:48,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:09:48,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:09:48,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:09:48,550 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:09:48,551 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:09:48,551 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:09:48,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:09:48,553 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:09:48,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:09:48,555 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:09:48,556 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:09:48,557 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:09:48,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:09:48,559 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:09:48,559 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:09:48,559 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:09:48,560 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:09:48,560 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:09:48,561 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:09:48,562 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:09:48,562 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:09:48,563 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:09:48,563 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:09:48,563 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:09:48,564 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:09:48,564 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:09:48,565 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 16:09:48,572 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:09:48,572 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:09:48,573 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:09:48,573 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:09:48,574 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 16:09:48,574 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 16:09:48,574 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 16:09:48,574 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:09:48,574 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:09:48,575 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:09:48,575 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:09:48,575 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:09:48,575 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:09:48,575 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:09:48,575 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:09:48,575 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:09:48,576 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:09:48,576 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:09:48,576 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:09:48,576 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:09:48,576 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:09:48,576 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:09:48,577 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:09:48,577 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:09:48,577 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:09:48,577 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:09:48,577 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:09:48,577 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 16:09:48,577 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:09:48,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:09:48,578 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_a4bb1f46-2a49-4ef0-8b14-e504229bec64/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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2018-11-23 16:09:48,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:09:48,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:09:48,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:09:48,619 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:09:48,619 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:09:48,619 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-23 16:09:48,659 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/data/8324f6192/0250e42a42ea495ca298cc96cca4d1da/FLAG82ddaffb9 [2018-11-23 16:09:49,073 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:09:49,074 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-23 16:09:49,087 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/data/8324f6192/0250e42a42ea495ca298cc96cca4d1da/FLAG82ddaffb9 [2018-11-23 16:09:49,432 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/data/8324f6192/0250e42a42ea495ca298cc96cca4d1da [2018-11-23 16:09:49,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:09:49,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:09:49,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:09:49,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:09:49,439 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:09:49,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6569d18c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49, skipping insertion in model container [2018-11-23 16:09:49,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:09:49,489 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:09:49,745 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:09:49,757 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:09:49,880 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:09:49,908 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:09:49,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49 WrapperNode [2018-11-23 16:09:49,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:09:49,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:09:49,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:09:49,909 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:09:49,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:09:49,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:09:49,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:09:49,943 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:09:49,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... [2018-11-23 16:09:49,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:09:49,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:09:49,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:09:49,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:09:49,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/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 16:09:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 16:09:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 16:09:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 16:09:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 16:09:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:09:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:09:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 16:09:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 16:09:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 16:09:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 16:09:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 16:09:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 16:09:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 16:09:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 16:09:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 16:09:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 16:09:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 16:09:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 16:09:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 16:09:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 16:09:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 16:09:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 16:09:50,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 16:09:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 16:09:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 16:09:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 16:09:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 16:09:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 16:09:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 16:09:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 16:09:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 16:09:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 16:09:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 16:09:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 16:09:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 16:09:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 16:09:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 16:09:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:09:50,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:09:50,034 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 16:09:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 16:09:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 16:09:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 16:09:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 16:09:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 16:09:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 16:09:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 16:09:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 16:09:50,035 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 16:09:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 16:09:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 16:09:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 16:09:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 16:09:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 16:09:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:09:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:09:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 16:09:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 16:09:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 16:09:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 16:09:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:09:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:09:50,523 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:09:50,524 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 16:09:50,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:50 BoogieIcfgContainer [2018-11-23 16:09:50,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:09:50,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:09:50,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:09:50,527 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:09:50,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:09:49" (1/3) ... [2018-11-23 16:09:50,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4962fe23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:50, skipping insertion in model container [2018-11-23 16:09:50,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:49" (2/3) ... [2018-11-23 16:09:50,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4962fe23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:50, skipping insertion in model container [2018-11-23 16:09:50,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:50" (3/3) ... [2018-11-23 16:09:50,531 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-23 16:09:50,538 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:09:50,544 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:09:50,556 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:09:50,582 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 16:09:50,583 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:09:50,583 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:09:50,583 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:09:50,583 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:09:50,583 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:09:50,583 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:09:50,584 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:09:50,584 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:09:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-11-23 16:09:50,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 16:09:50,610 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:50,611 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:50,614 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:50,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:50,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1585836956, now seen corresponding path program 1 times [2018-11-23 16:09:50,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:50,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:50,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:50,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:50,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:50,820 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 16:09:50,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:50,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 16:09:50,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 16:09:50,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 16:09:50,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 16:09:50,842 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-11-23 16:09:50,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:50,873 INFO L93 Difference]: Finished difference Result 286 states and 349 transitions. [2018-11-23 16:09:50,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 16:09:50,874 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 16:09:50,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:50,884 INFO L225 Difference]: With dead ends: 286 [2018-11-23 16:09:50,884 INFO L226 Difference]: Without dead ends: 143 [2018-11-23 16:09:50,888 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 16:09:50,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-23 16:09:50,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-23 16:09:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-23 16:09:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2018-11-23 16:09:50,933 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 46 [2018-11-23 16:09:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:50,933 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2018-11-23 16:09:50,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 16:09:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2018-11-23 16:09:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 16:09:50,936 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:50,936 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:50,936 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:50,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:50,937 INFO L82 PathProgramCache]: Analyzing trace with hash 215568744, now seen corresponding path program 1 times [2018-11-23 16:09:50,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:50,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:50,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:50,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:50,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:51,020 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 16:09:51,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:51,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:09:51,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:09:51,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:09:51,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:09:51,022 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand 3 states. [2018-11-23 16:09:51,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:51,052 INFO L93 Difference]: Finished difference Result 235 states and 271 transitions. [2018-11-23 16:09:51,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:09:51,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 16:09:51,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:51,055 INFO L225 Difference]: With dead ends: 235 [2018-11-23 16:09:51,055 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 16:09:51,056 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 16:09:51,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 16:09:51,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 16:09:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 16:09:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2018-11-23 16:09:51,068 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 47 [2018-11-23 16:09:51,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:51,068 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2018-11-23 16:09:51,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:09:51,068 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2018-11-23 16:09:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 16:09:51,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:51,069 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 16:09:51,070 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:51,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:51,070 INFO L82 PathProgramCache]: Analyzing trace with hash -2137158565, now seen corresponding path program 1 times [2018-11-23 16:09:51,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:51,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:51,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:51,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:51,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:51,201 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 16:09:51,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:51,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 16:09:51,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:09:51,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:09:51,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:09:51,203 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand 7 states. [2018-11-23 16:09:51,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:51,449 INFO L93 Difference]: Finished difference Result 244 states and 285 transitions. [2018-11-23 16:09:51,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:09:51,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 16:09:51,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:51,452 INFO L225 Difference]: With dead ends: 244 [2018-11-23 16:09:51,452 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 16:09:51,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 16:09:51,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 16:09:51,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 16:09:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 16:09:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2018-11-23 16:09:51,470 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 51 [2018-11-23 16:09:51,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:51,470 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2018-11-23 16:09:51,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:09:51,471 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2018-11-23 16:09:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 16:09:51,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:51,472 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] [2018-11-23 16:09:51,473 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:51,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:51,473 INFO L82 PathProgramCache]: Analyzing trace with hash 146173488, now seen corresponding path program 1 times [2018-11-23 16:09:51,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:51,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:51,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:51,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:51,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:51,565 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 16:09:51,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:51,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 16:09:51,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 16:09:51,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 16:09:51,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 16:09:51,567 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 5 states. [2018-11-23 16:09:51,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:51,994 INFO L93 Difference]: Finished difference Result 340 states and 405 transitions. [2018-11-23 16:09:51,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:09:51,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-23 16:09:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:51,997 INFO L225 Difference]: With dead ends: 340 [2018-11-23 16:09:51,997 INFO L226 Difference]: Without dead ends: 230 [2018-11-23 16:09:51,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:09:51,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-23 16:09:52,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2018-11-23 16:09:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-11-23 16:09:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 240 transitions. [2018-11-23 16:09:52,024 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 240 transitions. Word has length 64 [2018-11-23 16:09:52,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:52,024 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 240 transitions. [2018-11-23 16:09:52,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 16:09:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 240 transitions. [2018-11-23 16:09:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 16:09:52,026 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:52,027 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:09:52,027 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:52,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:52,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1166900812, now seen corresponding path program 1 times [2018-11-23 16:09:52,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:52,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:52,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:52,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:52,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:52,160 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 16:09:52,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:52,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 16:09:52,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 16:09:52,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 16:09:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 16:09:52,164 INFO L87 Difference]: Start difference. First operand 212 states and 240 transitions. Second operand 10 states. [2018-11-23 16:09:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:52,667 INFO L93 Difference]: Finished difference Result 686 states and 844 transitions. [2018-11-23 16:09:52,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 16:09:52,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2018-11-23 16:09:52,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:52,671 INFO L225 Difference]: With dead ends: 686 [2018-11-23 16:09:52,671 INFO L226 Difference]: Without dead ends: 498 [2018-11-23 16:09:52,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 16:09:52,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2018-11-23 16:09:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 488. [2018-11-23 16:09:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-11-23 16:09:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 571 transitions. [2018-11-23 16:09:52,712 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 571 transitions. Word has length 78 [2018-11-23 16:09:52,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:52,712 INFO L480 AbstractCegarLoop]: Abstraction has 488 states and 571 transitions. [2018-11-23 16:09:52,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 16:09:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 571 transitions. [2018-11-23 16:09:52,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 16:09:52,717 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:52,717 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 16:09:52,717 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:52,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:52,718 INFO L82 PathProgramCache]: Analyzing trace with hash -942496390, now seen corresponding path program 1 times [2018-11-23 16:09:52,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:52,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:52,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:52,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:52,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 16:09:52,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:52,796 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/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 16:09:52,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:52,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:09:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:53,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:09:53,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-23 16:09:53,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 16:09:53,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 16:09:53,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 16:09:53,023 INFO L87 Difference]: Start difference. First operand 488 states and 571 transitions. Second operand 12 states. [2018-11-23 16:09:54,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:54,376 INFO L93 Difference]: Finished difference Result 1384 states and 1844 transitions. [2018-11-23 16:09:54,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 16:09:54,377 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2018-11-23 16:09:54,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:54,383 INFO L225 Difference]: With dead ends: 1384 [2018-11-23 16:09:54,383 INFO L226 Difference]: Without dead ends: 920 [2018-11-23 16:09:54,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-23 16:09:54,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2018-11-23 16:09:54,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 841. [2018-11-23 16:09:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2018-11-23 16:09:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1026 transitions. [2018-11-23 16:09:54,438 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1026 transitions. Word has length 152 [2018-11-23 16:09:54,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:54,438 INFO L480 AbstractCegarLoop]: Abstraction has 841 states and 1026 transitions. [2018-11-23 16:09:54,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 16:09:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1026 transitions. [2018-11-23 16:09:54,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 16:09:54,440 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:54,440 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:54,441 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:54,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:54,441 INFO L82 PathProgramCache]: Analyzing trace with hash 74585308, now seen corresponding path program 1 times [2018-11-23 16:09:54,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:54,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:54,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:54,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:54,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 16:09:54,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:54,532 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/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 16:09:54,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:54,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:09:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 16:09:54,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:09:54,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-23 16:09:54,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 16:09:54,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 16:09:54,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 16:09:54,750 INFO L87 Difference]: Start difference. First operand 841 states and 1026 transitions. Second operand 11 states. [2018-11-23 16:09:54,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:54,823 INFO L93 Difference]: Finished difference Result 1482 states and 1850 transitions. [2018-11-23 16:09:54,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:09:54,824 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 143 [2018-11-23 16:09:54,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:54,828 INFO L225 Difference]: With dead ends: 1482 [2018-11-23 16:09:54,828 INFO L226 Difference]: Without dead ends: 665 [2018-11-23 16:09:54,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 16:09:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2018-11-23 16:09:54,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2018-11-23 16:09:54,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2018-11-23 16:09:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 804 transitions. [2018-11-23 16:09:54,878 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 804 transitions. Word has length 143 [2018-11-23 16:09:54,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:54,879 INFO L480 AbstractCegarLoop]: Abstraction has 665 states and 804 transitions. [2018-11-23 16:09:54,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 16:09:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 804 transitions. [2018-11-23 16:09:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 16:09:54,881 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:54,881 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:54,882 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:54,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:54,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1303253567, now seen corresponding path program 1 times [2018-11-23 16:09:54,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:54,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:54,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:54,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:54,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 16:09:54,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:54,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:09:54,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:09:54,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:09:54,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:09:54,959 INFO L87 Difference]: Start difference. First operand 665 states and 804 transitions. Second operand 6 states. [2018-11-23 16:09:55,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:55,010 INFO L93 Difference]: Finished difference Result 1262 states and 1548 transitions. [2018-11-23 16:09:55,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 16:09:55,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-23 16:09:55,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:55,014 INFO L225 Difference]: With dead ends: 1262 [2018-11-23 16:09:55,014 INFO L226 Difference]: Without dead ends: 680 [2018-11-23 16:09:55,016 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 16:09:55,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2018-11-23 16:09:55,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2018-11-23 16:09:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2018-11-23 16:09:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 819 transitions. [2018-11-23 16:09:55,054 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 819 transitions. Word has length 147 [2018-11-23 16:09:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:55,055 INFO L480 AbstractCegarLoop]: Abstraction has 680 states and 819 transitions. [2018-11-23 16:09:55,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:09:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 819 transitions. [2018-11-23 16:09:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 16:09:55,057 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:55,057 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:55,057 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:55,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:55,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1812726657, now seen corresponding path program 1 times [2018-11-23 16:09:55,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:55,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:55,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:55,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:55,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:55,143 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 16:09:55,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:09:55,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 16:09:55,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 16:09:55,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 16:09:55,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 16:09:55,144 INFO L87 Difference]: Start difference. First operand 680 states and 819 transitions. Second operand 6 states. [2018-11-23 16:09:55,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:55,300 INFO L93 Difference]: Finished difference Result 697 states and 838 transitions. [2018-11-23 16:09:55,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:09:55,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-23 16:09:55,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:55,305 INFO L225 Difference]: With dead ends: 697 [2018-11-23 16:09:55,305 INFO L226 Difference]: Without dead ends: 694 [2018-11-23 16:09:55,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 16:09:55,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2018-11-23 16:09:55,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 680. [2018-11-23 16:09:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2018-11-23 16:09:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 815 transitions. [2018-11-23 16:09:55,345 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 815 transitions. Word has length 147 [2018-11-23 16:09:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:55,346 INFO L480 AbstractCegarLoop]: Abstraction has 680 states and 815 transitions. [2018-11-23 16:09:55,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 16:09:55,346 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 815 transitions. [2018-11-23 16:09:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 16:09:55,348 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:55,348 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:55,348 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:55,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:55,348 INFO L82 PathProgramCache]: Analyzing trace with hash -989551025, now seen corresponding path program 1 times [2018-11-23 16:09:55,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:55,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:55,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:55,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:55,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 16:09:55,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:55,476 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:09:55,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:55,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:09:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:09:55,751 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 16:09:55,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-23 16:09:55,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 16:09:55,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 16:09:55,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 16:09:55,752 INFO L87 Difference]: Start difference. First operand 680 states and 815 transitions. Second operand 14 states. [2018-11-23 16:09:57,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:57,441 INFO L93 Difference]: Finished difference Result 1453 states and 1839 transitions. [2018-11-23 16:09:57,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 16:09:57,442 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2018-11-23 16:09:57,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:57,448 INFO L225 Difference]: With dead ends: 1453 [2018-11-23 16:09:57,449 INFO L226 Difference]: Without dead ends: 856 [2018-11-23 16:09:57,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 16:09:57,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-23 16:09:57,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 736. [2018-11-23 16:09:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 736 states. [2018-11-23 16:09:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 870 transitions. [2018-11-23 16:09:57,511 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 870 transitions. Word has length 151 [2018-11-23 16:09:57,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:57,512 INFO L480 AbstractCegarLoop]: Abstraction has 736 states and 870 transitions. [2018-11-23 16:09:57,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 16:09:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 870 transitions. [2018-11-23 16:09:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 16:09:57,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:09:57,516 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:57,516 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:09:57,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:09:57,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1853477758, now seen corresponding path program 1 times [2018-11-23 16:09:57,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 16:09:57,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 16:09:57,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:57,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:57,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:09:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 16:09:57,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:09:57,676 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:09:57,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:09:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:09:57,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:09:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 16:09:57,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:09:57,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 16:09:57,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 16:09:57,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 16:09:57,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 16:09:57,880 INFO L87 Difference]: Start difference. First operand 736 states and 870 transitions. Second operand 13 states. [2018-11-23 16:09:57,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:09:57,939 INFO L93 Difference]: Finished difference Result 983 states and 1164 transitions. [2018-11-23 16:09:57,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 16:09:57,940 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2018-11-23 16:09:57,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:09:57,941 INFO L225 Difference]: With dead ends: 983 [2018-11-23 16:09:57,941 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 16:09:57,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 16:09:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 16:09:57,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 16:09:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 16:09:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 16:09:57,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2018-11-23 16:09:57,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:09:57,945 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 16:09:57,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 16:09:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 16:09:57,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:09:57,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 16:09:58,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:58,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:09:59,418 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 486 492) the Hoare annotation is: true [2018-11-23 16:09:59,418 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 486 492) no Hoare annotation was computed. [2018-11-23 16:09:59,418 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 493 501) no Hoare annotation was computed. [2018-11-23 16:09:59,418 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 493 501) the Hoare annotation is: true [2018-11-23 16:09:59,418 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 493 501) no Hoare annotation was computed. [2018-11-23 16:09:59,419 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2018-11-23 16:09:59,419 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-23 16:09:59,419 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2018-11-23 16:09:59,419 INFO L444 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-23 16:09:59,419 INFO L448 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-11-23 16:09:59,419 INFO L448 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2018-11-23 16:09:59,419 INFO L448 ceAbstractionStarter]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2018-11-23 16:09:59,419 INFO L451 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2018-11-23 16:09:59,419 INFO L448 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2018-11-23 16:09:59,419 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2018-11-23 16:09:59,419 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 575 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,419 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 575 597) no Hoare annotation was computed. [2018-11-23 16:09:59,420 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 575 597) no Hoare annotation was computed. [2018-11-23 16:09:59,420 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,420 INFO L444 ceAbstractionStarter]: At program point L587-1(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,420 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 592) no Hoare annotation was computed. [2018-11-23 16:09:59,420 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 592) no Hoare annotation was computed. [2018-11-23 16:09:59,420 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 16:09:59,420 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,420 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,420 INFO L444 ceAbstractionStarter]: At program point L581-1(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,420 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 250 258) no Hoare annotation was computed. [2018-11-23 16:09:59,420 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 250 258) the Hoare annotation is: true [2018-11-23 16:09:59,420 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 250 258) no Hoare annotation was computed. [2018-11-23 16:09:59,420 INFO L451 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: true [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point L321-1(line 321) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 314 332) the Hoare annotation is: true [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 314 332) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 314 332) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 479 485) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 479 485) the Hoare annotation is: true [2018-11-23 16:09:59,421 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 565 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 565 574) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 565 574) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 239 249) the Hoare annotation is: true [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 239 249) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 239 249) no Hoare annotation was computed. [2018-11-23 16:09:59,421 INFO L451 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 231 238) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 231 238) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 231 238) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2018-11-23 16:09:59,422 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 180 204) no Hoare annotation was computed. [2018-11-23 16:09:59,423 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 180 204) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,423 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 16:09:59,423 INFO L448 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2018-11-23 16:09:59,423 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,423 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2018-11-23 16:09:59,423 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2018-11-23 16:09:59,423 INFO L444 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 16:09:59,423 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-11-23 16:09:59,423 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,423 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-11-23 16:09:59,423 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 16:09:59,423 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-11-23 16:09:59,424 INFO L444 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 16:09:59,424 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-23 16:09:59,424 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 16:09:59,424 INFO L448 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-11-23 16:09:59,424 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-11-23 16:09:59,424 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 16:09:59,424 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-23 16:09:59,424 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-23 16:09:59,424 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-11-23 16:09:59,424 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 16:09:59,424 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 205 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,424 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 205 212) no Hoare annotation was computed. [2018-11-23 16:09:59,424 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 205 212) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 455 463) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 455 463) the Hoare annotation is: true [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 455 463) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point L225-1(lines 214 230) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 214 230) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L444 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-11-23 16:09:59,425 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 214 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,425 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-11-23 16:09:59,425 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 295 313) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L451 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 295 313) the Hoare annotation is: true [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 295 313) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: true [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-11-23 16:09:59,426 INFO L451 ceAbstractionStarter]: At program point L514-2(lines 514 528) the Hoare annotation is: true [2018-11-23 16:09:59,427 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 504 533) no Hoare annotation was computed. [2018-11-23 16:09:59,427 INFO L451 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2018-11-23 16:09:59,427 INFO L448 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-11-23 16:09:59,427 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 504 533) the Hoare annotation is: true [2018-11-23 16:09:59,427 INFO L451 ceAbstractionStarter]: At program point L529(lines 504 533) the Hoare annotation is: true [2018-11-23 16:09:59,427 INFO L448 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2018-11-23 16:09:59,427 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-11-23 16:09:59,427 INFO L451 ceAbstractionStarter]: At program point L518-1(lines 518 522) the Hoare annotation is: true [2018-11-23 16:09:59,427 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 16:09:59,427 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-23 16:09:59,427 INFO L448 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2018-11-23 16:09:59,427 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-23 16:09:59,427 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2018-11-23 16:09:59,428 INFO L444 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-23 16:09:59,428 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2018-11-23 16:09:59,428 INFO L444 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (<= 2 |old(~waterLevel~0)|) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0 (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1 (or (< |old(~waterLevel~0)| 2) .cse0)))) [2018-11-23 16:09:59,428 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-11-23 16:09:59,428 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-23 16:09:59,428 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-11-23 16:09:59,428 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 558 564) no Hoare annotation was computed. [2018-11-23 16:09:59,428 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 558 564) the Hoare annotation is: true [2018-11-23 16:09:59,428 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:09:59,428 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-23 16:09:59,428 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:09:59,428 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:09:59,428 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,429 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,429 INFO L448 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-11-23 16:09:59,429 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2018-11-23 16:09:59,429 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2018-11-23 16:09:59,429 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,429 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2018-11-23 16:09:59,429 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,429 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 16:09:59,429 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2018-11-23 16:09:59,429 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-11-23 16:09:59,429 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-11-23 16:09:59,429 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-23 16:09:59,430 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-11-23 16:09:59,430 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 965 972) no Hoare annotation was computed. [2018-11-23 16:09:59,430 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 965 972) the Hoare annotation is: true [2018-11-23 16:09:59,430 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 965 972) no Hoare annotation was computed. [2018-11-23 16:09:59,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:09:59 BoogieIcfgContainer [2018-11-23 16:09:59,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:09:59,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:09:59,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:09:59,441 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:09:59,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:50" (3/4) ... [2018-11-23 16:09:59,445 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 16:09:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 16:09:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 16:09:59,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 16:09:59,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 16:09:59,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 16:09:59,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 16:09:59,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 16:09:59,460 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 16:09:59,460 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 16:09:59,460 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 16:09:59,461 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 16:09:59,461 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 16:09:59,461 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:09:59,462 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:09:59,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 16:09:59,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 16:09:59,517 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4bb1f46-2a49-4ef0-8b14-e504229bec64/bin-2019/uautomizer/witness.graphml [2018-11-23 16:09:59,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:09:59,518 INFO L168 Benchmark]: Toolchain (without parser) took 10082.66 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 347.1 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -222.6 MB). Peak memory consumption was 124.5 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:59,519 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:09:59,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:59,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.22 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:59,519 INFO L168 Benchmark]: Boogie Preprocessor took 38.36 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:59,520 INFO L168 Benchmark]: RCFGBuilder took 543.19 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:59,520 INFO L168 Benchmark]: TraceAbstraction took 8915.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -122.8 MB). Peak memory consumption was 343.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:59,520 INFO L168 Benchmark]: Witness Printer took 76.40 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-23 16:09:59,521 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 472.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.22 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.36 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 543.19 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8915.29 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -122.8 MB). Peak memory consumption was 343.7 MB. Max. memory is 11.5 GB. * Witness Printer took 76.40 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: 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: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 156 locations, 1 error locations. SAFE Result, 8.8s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1915 SDtfs, 1936 SDslu, 6270 SDs, 0 SdLazy, 4618 SolverSat, 932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 803 GetRequests, 679 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=841occurred in iteration=6, 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, 11 MinimizatonAttempts, 241 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1691 PreInvPairs, 1736 NumberOfFragments, 887 HoareAnnotationTreeSize, 1691 FomulaSimplifications, 2877 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 4798 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1880 NumberOfCodeBlocks, 1880 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1865 ConstructedInterpolants, 0 QuantifiedInterpolants, 377161 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3505 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 429/464 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...