./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/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 feddb53df5c889a09349b532f3a03633c4161684 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:36:46,550 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:36:46,551 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:36:46,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:36:46,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:36:46,558 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:36:46,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:36:46,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:36:46,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:36:46,561 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:36:46,562 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:36:46,562 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:36:46,562 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:36:46,563 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:36:46,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:36:46,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:36:46,564 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:36:46,565 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:36:46,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:36:46,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:36:46,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:36:46,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:36:46,569 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:36:46,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:36:46,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:36:46,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:36:46,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:36:46,571 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:36:46,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:36:46,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:36:46,572 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:36:46,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:36:46,572 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:36:46,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:36:46,573 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:36:46,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:36:46,573 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 16:36:46,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:36:46,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:36:46,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:36:46,581 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:36:46,582 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:36:46,582 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:36:46,582 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:36:46,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:36:46,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:36:46,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:36:46,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:36:46,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:36:46,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:36:46,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:36:46,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:36:46,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:36:46,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:36:46,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:36:46,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:36:46,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:36:46,584 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:36:46,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:36:46,584 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:36:46,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:36:46,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:36:46,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:36:46,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:36:46,585 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:36:46,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:36:46,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:36:46,585 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_172e1616-4a09-4b6f-b396-69c23285f0fb/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 -> feddb53df5c889a09349b532f3a03633c4161684 [2018-12-08 16:36:46,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:36:46,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:36:46,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:36:46,612 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:36:46,612 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:36:46,613 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-12-08 16:36:46,650 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/data/0f87dbfcd/7ecb010296ab420c932ebb42eb0c8c63/FLAG6aa303d7e [2018-12-08 16:36:47,095 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:36:47,096 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/sv-benchmarks/c/product-lines/minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-12-08 16:36:47,102 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/data/0f87dbfcd/7ecb010296ab420c932ebb42eb0c8c63/FLAG6aa303d7e [2018-12-08 16:36:47,110 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/data/0f87dbfcd/7ecb010296ab420c932ebb42eb0c8c63 [2018-12-08 16:36:47,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:36:47,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:36:47,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:36:47,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:36:47,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:36:47,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47, skipping insertion in model container [2018-12-08 16:36:47,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:36:47,142 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:36:47,288 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:36:47,296 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:36:47,374 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:36:47,389 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:36:47,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47 WrapperNode [2018-12-08 16:36:47,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:36:47,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:36:47,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:36:47,390 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:36:47,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:36:47,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:36:47,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:36:47,414 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:36:47,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... [2018-12-08 16:36:47,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:36:47,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:36:47,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:36:47,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:36:47,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/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 [2018-12-08 16:36:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:36:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:36:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 16:36:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 16:36:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:36:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:36:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:36:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:36:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:36:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 16:36:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 16:36:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:36:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:36:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:36:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:36:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:36:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:36:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 16:36:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 16:36:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 16:36:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 16:36:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 16:36:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 16:36:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:36:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:36:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:36:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:36:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:36:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:36:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 16:36:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 16:36:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:36:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:36:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:36:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:36:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:36:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:36:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:36:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:36:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:36:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:36:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:36:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:36:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:36:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:36:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:36:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:36:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:36:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:36:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:36:47,761 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:36:47,761 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:36:47,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:36:47 BoogieIcfgContainer [2018-12-08 16:36:47,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:36:47,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:36:47,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:36:47,764 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:36:47,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:36:47" (1/3) ... [2018-12-08 16:36:47,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1992ec82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:36:47, skipping insertion in model container [2018-12-08 16:36:47,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:36:47" (2/3) ... [2018-12-08 16:36:47,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1992ec82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:36:47, skipping insertion in model container [2018-12-08 16:36:47,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:36:47" (3/3) ... [2018-12-08 16:36:47,766 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product34_false-unreach-call_false-termination.cil.c [2018-12-08 16:36:47,771 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:36:47,777 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:36:47,788 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:36:47,805 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:36:47,805 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:36:47,806 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:36:47,806 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:36:47,806 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:36:47,806 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:36:47,806 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:36:47,806 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:36:47,806 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:36:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-12-08 16:36:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:36:47,823 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:47,824 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] [2018-12-08 16:36:47,825 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:47,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:47,828 INFO L82 PathProgramCache]: Analyzing trace with hash -786242842, now seen corresponding path program 1 times [2018-12-08 16:36:47,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:47,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:47,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:47,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:47,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:36:47,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:36:47,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:36:47,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:36:48,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:36:48,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:36:48,008 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-12-08 16:36:48,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:48,028 INFO L93 Difference]: Finished difference Result 218 states and 271 transitions. [2018-12-08 16:36:48,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:36:48,029 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 16:36:48,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:48,036 INFO L225 Difference]: With dead ends: 218 [2018-12-08 16:36:48,036 INFO L226 Difference]: Without dead ends: 109 [2018-12-08 16:36:48,038 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 [2018-12-08 16:36:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-08 16:36:48,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-08 16:36:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-08 16:36:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2018-12-08 16:36:48,069 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 46 [2018-12-08 16:36:48,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:48,069 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2018-12-08 16:36:48,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:36:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2018-12-08 16:36:48,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:36:48,072 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:48,072 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] [2018-12-08 16:36:48,072 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:48,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:48,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1922345988, now seen corresponding path program 1 times [2018-12-08 16:36:48,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:48,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:48,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:48,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:48,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:36:48,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:36:48,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:36:48,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:36:48,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:36:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:36:48,131 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2018-12-08 16:36:48,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:48,145 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-12-08 16:36:48,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:36:48,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 16:36:48,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:48,146 INFO L225 Difference]: With dead ends: 163 [2018-12-08 16:36:48,146 INFO L226 Difference]: Without dead ends: 100 [2018-12-08 16:36:48,147 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 [2018-12-08 16:36:48,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-08 16:36:48,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-08 16:36:48,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-08 16:36:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-12-08 16:36:48,154 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 47 [2018-12-08 16:36:48,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:48,154 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-12-08 16:36:48,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:36:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-12-08 16:36:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:36:48,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:48,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:36:48,156 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:48,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:48,156 INFO L82 PathProgramCache]: Analyzing trace with hash -869774431, now seen corresponding path program 1 times [2018-12-08 16:36:48,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:48,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:48,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:48,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:48,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:36:48,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:36:48,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:36:48,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:36:48,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:36:48,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:36:48,224 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2018-12-08 16:36:48,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:48,354 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2018-12-08 16:36:48,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:36:48,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 16:36:48,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:48,355 INFO L225 Difference]: With dead ends: 176 [2018-12-08 16:36:48,355 INFO L226 Difference]: Without dead ends: 100 [2018-12-08 16:36:48,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:36:48,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-08 16:36:48,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-08 16:36:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-08 16:36:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-12-08 16:36:48,363 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2018-12-08 16:36:48,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:48,364 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-12-08 16:36:48,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:36:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-12-08 16:36:48,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:36:48,365 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:48,365 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] [2018-12-08 16:36:48,365 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:48,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:48,365 INFO L82 PathProgramCache]: Analyzing trace with hash 930294654, now seen corresponding path program 1 times [2018-12-08 16:36:48,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:48,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:48,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:48,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:48,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:36:48,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:36:48,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:36:48,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:36:48,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:36:48,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:36:48,424 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 5 states. [2018-12-08 16:36:48,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:48,659 INFO L93 Difference]: Finished difference Result 264 states and 317 transitions. [2018-12-08 16:36:48,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:36:48,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-12-08 16:36:48,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:48,660 INFO L225 Difference]: With dead ends: 264 [2018-12-08 16:36:48,661 INFO L226 Difference]: Without dead ends: 188 [2018-12-08 16:36:48,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:36:48,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-12-08 16:36:48,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 169. [2018-12-08 16:36:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-12-08 16:36:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 193 transitions. [2018-12-08 16:36:48,674 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 193 transitions. Word has length 60 [2018-12-08 16:36:48,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:48,675 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 193 transitions. [2018-12-08 16:36:48,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:36:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 193 transitions. [2018-12-08 16:36:48,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 16:36:48,676 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:48,676 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] [2018-12-08 16:36:48,676 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:48,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:48,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1011248614, now seen corresponding path program 1 times [2018-12-08 16:36:48,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:48,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:48,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:48,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:48,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:36:48,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:36:48,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 16:36:48,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:36:48,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:36:48,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:36:48,758 INFO L87 Difference]: Start difference. First operand 169 states and 193 transitions. Second operand 10 states. [2018-12-08 16:36:49,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:49,021 INFO L93 Difference]: Finished difference Result 541 states and 676 transitions. [2018-12-08 16:36:49,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 16:36:49,021 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2018-12-08 16:36:49,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:49,025 INFO L225 Difference]: With dead ends: 541 [2018-12-08 16:36:49,025 INFO L226 Difference]: Without dead ends: 396 [2018-12-08 16:36:49,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:36:49,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-12-08 16:36:49,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 386. [2018-12-08 16:36:49,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2018-12-08 16:36:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 456 transitions. [2018-12-08 16:36:49,057 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 456 transitions. Word has length 74 [2018-12-08 16:36:49,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:49,057 INFO L480 AbstractCegarLoop]: Abstraction has 386 states and 456 transitions. [2018-12-08 16:36:49,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:36:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 456 transitions. [2018-12-08 16:36:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 16:36:49,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:49,060 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] [2018-12-08 16:36:49,060 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:49,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:49,060 INFO L82 PathProgramCache]: Analyzing trace with hash -541253870, now seen corresponding path program 1 times [2018-12-08 16:36:49,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:49,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:49,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:49,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:49,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:36:49,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:36:49,132 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/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 [2018-12-08 16:36:49,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:49,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:36:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:36:49,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:36:49,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-08 16:36:49,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:36:49,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:36:49,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:36:49,278 INFO L87 Difference]: Start difference. First operand 386 states and 456 transitions. Second operand 6 states. [2018-12-08 16:36:49,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:49,322 INFO L93 Difference]: Finished difference Result 763 states and 919 transitions. [2018-12-08 16:36:49,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:36:49,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-12-08 16:36:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:49,323 INFO L225 Difference]: With dead ends: 763 [2018-12-08 16:36:49,324 INFO L226 Difference]: Without dead ends: 401 [2018-12-08 16:36:49,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:36:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-12-08 16:36:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2018-12-08 16:36:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-12-08 16:36:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 472 transitions. [2018-12-08 16:36:49,340 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 472 transitions. Word has length 111 [2018-12-08 16:36:49,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:49,340 INFO L480 AbstractCegarLoop]: Abstraction has 401 states and 472 transitions. [2018-12-08 16:36:49,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:36:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 472 transitions. [2018-12-08 16:36:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 16:36:49,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:49,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:36:49,342 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:49,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:49,342 INFO L82 PathProgramCache]: Analyzing trace with hash -888540528, now seen corresponding path program 1 times [2018-12-08 16:36:49,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:49,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:49,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:49,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:49,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:36:49,409 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:36:49,409 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/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 [2018-12-08 16:36:49,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:49,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:36:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:36:49,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:36:49,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2018-12-08 16:36:49,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 16:36:49,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 16:36:49,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-12-08 16:36:49,580 INFO L87 Difference]: Start difference. First operand 401 states and 472 transitions. Second operand 14 states. [2018-12-08 16:36:50,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:50,451 INFO L93 Difference]: Finished difference Result 972 states and 1277 transitions. [2018-12-08 16:36:50,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 16:36:50,451 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 119 [2018-12-08 16:36:50,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:50,453 INFO L225 Difference]: With dead ends: 972 [2018-12-08 16:36:50,454 INFO L226 Difference]: Without dead ends: 595 [2018-12-08 16:36:50,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2018-12-08 16:36:50,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2018-12-08 16:36:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 515. [2018-12-08 16:36:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-12-08 16:36:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 617 transitions. [2018-12-08 16:36:50,495 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 617 transitions. Word has length 119 [2018-12-08 16:36:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:50,495 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 617 transitions. [2018-12-08 16:36:50,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 16:36:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 617 transitions. [2018-12-08 16:36:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-08 16:36:50,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:50,497 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] [2018-12-08 16:36:50,497 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:50,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:50,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1880639221, now seen corresponding path program 1 times [2018-12-08 16:36:50,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:50,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:50,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:50,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:50,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:36:50,595 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:36:50,595 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/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 [2018-12-08 16:36:50,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:50,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:36:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:36:50,750 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:36:50,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-08 16:36:50,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 16:36:50,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 16:36:50,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-08 16:36:50,751 INFO L87 Difference]: Start difference. First operand 515 states and 617 transitions. Second operand 15 states. [2018-12-08 16:36:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:36:51,299 INFO L93 Difference]: Finished difference Result 1025 states and 1291 transitions. [2018-12-08 16:36:51,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 16:36:51,299 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 115 [2018-12-08 16:36:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:36:51,301 INFO L225 Difference]: With dead ends: 1025 [2018-12-08 16:36:51,301 INFO L226 Difference]: Without dead ends: 588 [2018-12-08 16:36:51,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-12-08 16:36:51,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2018-12-08 16:36:51,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 503. [2018-12-08 16:36:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2018-12-08 16:36:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 601 transitions. [2018-12-08 16:36:51,323 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 601 transitions. Word has length 115 [2018-12-08 16:36:51,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:36:51,323 INFO L480 AbstractCegarLoop]: Abstraction has 503 states and 601 transitions. [2018-12-08 16:36:51,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 16:36:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 601 transitions. [2018-12-08 16:36:51,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 16:36:51,325 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:36:51,325 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, 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] [2018-12-08 16:36:51,325 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:36:51,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:36:51,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1144058278, now seen corresponding path program 2 times [2018-12-08 16:36:51,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:36:51,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:36:51,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:51,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:36:51,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:36:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:36:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 16:36:51,441 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 16:36:51,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:36:51 BoogieIcfgContainer [2018-12-08 16:36:51,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:36:51,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:36:51,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:36:51,560 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:36:51,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:36:47" (3/4) ... [2018-12-08 16:36:51,562 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 16:36:51,665 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_172e1616-4a09-4b6f-b396-69c23285f0fb/bin-2019/uautomizer/witness.graphml [2018-12-08 16:36:51,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:36:51,666 INFO L168 Benchmark]: Toolchain (without parser) took 4554.01 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.8 MB). Free memory was 951.7 MB in the beginning and 884.0 MB in the end (delta: 67.7 MB). Peak memory consumption was 366.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:51,667 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:36:51,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:51,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:36:51,667 INFO L168 Benchmark]: Boogie Preprocessor took 29.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:36:51,667 INFO L168 Benchmark]: RCFGBuilder took 318.81 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: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:51,667 INFO L168 Benchmark]: TraceAbstraction took 3797.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 941.2 MB in the end (delta: 120.1 MB). Peak memory consumption was 290.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:51,668 INFO L168 Benchmark]: Witness Printer took 106.01 ms. Allocated memory is still 1.3 GB. Free memory was 941.2 MB in the beginning and 884.0 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:36:51,669 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 318.81 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: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3797.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 941.2 MB in the end (delta: 120.1 MB). Peak memory consumption was 290.0 MB. Max. memory is 11.5 GB. * Witness Printer took 106.01 ms. Allocated memory is still 1.3 GB. Free memory was 941.2 MB in the beginning and 884.0 MB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 540]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L69] int cleanupTimeShifts = 4; [L282] int pumpRunning = 0; [L283] int systemActive = 1; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L150] int retValue_acc ; [L151] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L156] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L199] int retValue_acc ; [L202] retValue_acc = 1 [L203] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L157] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L157] tmp = valid_product() [L159] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L161] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L162] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L141] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L210] int splverifierCounter ; [L211] int tmp ; [L212] int tmp___0 ; [L213] int tmp___1 ; [L214] int tmp___2 ; [L217] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L227] tmp = __VERIFIER_nondet_int() [L229] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L231] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L460] COND TRUE waterLevel < 2 [L461] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L231] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L289] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L421] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L522] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] COND FALSE !(waterLevel < 2) [L529] retValue_acc = 0 [L530] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L421] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L421] tmp = isHighWaterSensorDry() [L423] COND FALSE !(\read(tmp)) [L426] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L323] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] tmp = isHighWaterLevel() [L325] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L327] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L346] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L327] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L304] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L264] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L289] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L291] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L291] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L321] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L336] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L49] tmp = getWaterLevel() [L51] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L304] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L264] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L219] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L221] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L227] tmp = __VERIFIER_nondet_int() [L229] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L237] tmp___0 = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L247] tmp___2 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___2)) [L255] tmp___1 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=1] [L264] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L289] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L291] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L448] COND TRUE waterLevel > 0 [L449] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L291] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L296] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L298] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L321] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L336] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L298] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L304] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L44] int tmp ; [L45] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L49] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L49] tmp = getWaterLevel() [L51] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L370] int retValue_acc ; [L373] retValue_acc = pumpRunning [L374] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L53] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L540] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. UNSAFE Result, 3.7s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1033 SDtfs, 1306 SDslu, 2785 SDs, 0 SdLazy, 3231 SolverSat, 675 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 370 SyntacticMatches, 3 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=515occurred in iteration=7, 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 194 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1120 NumberOfCodeBlocks, 1120 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 958 ConstructedInterpolants, 0 QuantifiedInterpolants, 156467 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2354 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 141/158 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...