./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product41_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product41_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/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 59866f864e0ec5bf7736536ea91554085144fb1d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-0cd3be1 [2018-11-28 11:20:57,174 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:20:57,175 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:20:57,183 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:20:57,183 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:20:57,184 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:20:57,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:20:57,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:20:57,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:20:57,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:20:57,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:20:57,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:20:57,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:20:57,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:20:57,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:20:57,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:20:57,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:20:57,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:20:57,197 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:20:57,198 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:20:57,199 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:20:57,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:20:57,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:20:57,202 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:20:57,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:20:57,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:20:57,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:20:57,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:20:57,205 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:20:57,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:20:57,206 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:20:57,207 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:20:57,207 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:20:57,207 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:20:57,208 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:20:57,209 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:20:57,209 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:20:57,218 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:20:57,218 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:20:57,219 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:20:57,219 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:20:57,220 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:20:57,220 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:20:57,220 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:20:57,220 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:20:57,221 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:20:57,221 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:20:57,221 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:20:57,221 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:20:57,221 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:20:57,221 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:20:57,221 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:20:57,222 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:20:57,222 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:20:57,222 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:20:57,222 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:20:57,222 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:20:57,222 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:20:57,223 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:20:57,223 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:20:57,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:20:57,223 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:20:57,223 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:20:57,223 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:20:57,224 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:20:57,226 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:20:57,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:20:57,226 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_c1297eee-f63d-41d2-b128-1b339aacb5a5/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 -> 59866f864e0ec5bf7736536ea91554085144fb1d [2018-11-28 11:20:57,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:20:57,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:20:57,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:20:57,267 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:20:57,267 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:20:57,268 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product41_false-unreach-call_false-termination.cil.c [2018-11-28 11:20:57,313 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/data/d32917e9c/1d5c0653c97049c39970f14de7738b42/FLAGb679fdcd7 [2018-11-28 11:20:57,684 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:20:57,684 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/sv-benchmarks/c/product-lines/minepump_spec4_product41_false-unreach-call_false-termination.cil.c [2018-11-28 11:20:57,691 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/data/d32917e9c/1d5c0653c97049c39970f14de7738b42/FLAGb679fdcd7 [2018-11-28 11:20:58,090 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/data/d32917e9c/1d5c0653c97049c39970f14de7738b42 [2018-11-28 11:20:58,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:20:58,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:20:58,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:58,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:20:58,097 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:20:58,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143c444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58, skipping insertion in model container [2018-11-28 11:20:58,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:20:58,135 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:20:58,315 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:20:58,328 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:20:58,443 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:20:58,462 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:20:58,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58 WrapperNode [2018-11-28 11:20:58,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:58,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:20:58,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:20:58,463 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:20:58,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:20:58,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:20:58,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:20:58,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:20:58,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... [2018-11-28 11:20:58,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:20:58,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:20:58,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:20:58,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:20:58,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:20:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:20:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:20:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 11:20:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 11:20:58,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:20:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:20:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:20:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:20:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:20:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:20:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:20:58,586 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:20:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:20:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:20:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:20:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:20:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:20:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:20:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:20:58,587 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:20:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:20:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:20:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:20:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:20:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:20:58,588 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:20:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:20:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:20:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:20:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:20:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:20:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:20:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:20:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:20:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:20:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:20:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:20:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:20:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:20:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:20:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:20:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:20:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:20:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 11:20:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 11:20:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:20:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:20:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:20:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:20:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:20:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:20:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:20:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:20:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:20:59,104 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:20:59,104 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:20:59,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:59 BoogieIcfgContainer [2018-11-28 11:20:59,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:20:59,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:20:59,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:20:59,109 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:20:59,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:20:58" (1/3) ... [2018-11-28 11:20:59,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b540374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:20:59, skipping insertion in model container [2018-11-28 11:20:59,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:58" (2/3) ... [2018-11-28 11:20:59,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b540374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:20:59, skipping insertion in model container [2018-11-28 11:20:59,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:59" (3/3) ... [2018-11-28 11:20:59,114 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41_false-unreach-call_false-termination.cil.c [2018-11-28 11:20:59,124 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:20:59,132 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:20:59,148 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:20:59,177 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:20:59,177 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:20:59,177 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:20:59,178 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:20:59,178 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:20:59,178 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:20:59,178 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:20:59,178 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:20:59,178 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:20:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-11-28 11:20:59,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 11:20:59,202 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:59,203 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:59,205 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:59,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:59,211 INFO L82 PathProgramCache]: Analyzing trace with hash 263104783, now seen corresponding path program 1 times [2018-11-28 11:20:59,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:59,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:59,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:59,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:59,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:59,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:59,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:20:59,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:20:59,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:20:59,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:20:59,452 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-11-28 11:20:59,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:59,485 INFO L93 Difference]: Finished difference Result 240 states and 295 transitions. [2018-11-28 11:20:59,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:20:59,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 11:20:59,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:59,494 INFO L225 Difference]: With dead ends: 240 [2018-11-28 11:20:59,494 INFO L226 Difference]: Without dead ends: 120 [2018-11-28 11:20:59,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:20:59,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-28 11:20:59,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-28 11:20:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-28 11:20:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-11-28 11:20:59,536 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 46 [2018-11-28 11:20:59,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:59,536 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-11-28 11:20:59,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:20:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-11-28 11:20:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 11:20:59,539 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:59,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:59,539 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:59,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:59,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1915497988, now seen corresponding path program 1 times [2018-11-28 11:20:59,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:59,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:59,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:59,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:59,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:59,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:59,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:20:59,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:20:59,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:20:59,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:20:59,654 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 3 states. [2018-11-28 11:20:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:59,672 INFO L93 Difference]: Finished difference Result 189 states and 217 transitions. [2018-11-28 11:20:59,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:20:59,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 11:20:59,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:59,674 INFO L225 Difference]: With dead ends: 189 [2018-11-28 11:20:59,674 INFO L226 Difference]: Without dead ends: 111 [2018-11-28 11:20:59,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:20:59,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-28 11:20:59,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-28 11:20:59,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-28 11:20:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2018-11-28 11:20:59,688 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 47 [2018-11-28 11:20:59,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:59,689 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2018-11-28 11:20:59,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:20:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2018-11-28 11:20:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:20:59,691 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:59,691 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:59,691 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:59,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:59,692 INFO L82 PathProgramCache]: Analyzing trace with hash -344245054, now seen corresponding path program 1 times [2018-11-28 11:20:59,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:20:59,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:20:59,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:59,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:59,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:20:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:59,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:59,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:20:59,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:20:59,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:20:59,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:20:59,817 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand 7 states. [2018-11-28 11:21:00,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:00,022 INFO L93 Difference]: Finished difference Result 198 states and 231 transitions. [2018-11-28 11:21:00,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:21:00,022 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 11:21:00,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:00,024 INFO L225 Difference]: With dead ends: 198 [2018-11-28 11:21:00,024 INFO L226 Difference]: Without dead ends: 111 [2018-11-28 11:21:00,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:21:00,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-28 11:21:00,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-28 11:21:00,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-28 11:21:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2018-11-28 11:21:00,033 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 51 [2018-11-28 11:21:00,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:00,033 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2018-11-28 11:21:00,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:21:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2018-11-28 11:21:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 11:21:00,035 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:00,035 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:21:00,035 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:00,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:00,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1388416387, now seen corresponding path program 1 times [2018-11-28 11:21:00,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:21:00,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:21:00,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:00,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:00,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:21:00,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:21:00,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:21:00,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:21:00,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:21:00,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:21:00,125 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand 5 states. [2018-11-28 11:21:00,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:00,614 INFO L93 Difference]: Finished difference Result 283 states and 337 transitions. [2018-11-28 11:21:00,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:21:00,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2018-11-28 11:21:00,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:00,618 INFO L225 Difference]: With dead ends: 283 [2018-11-28 11:21:00,618 INFO L226 Difference]: Without dead ends: 196 [2018-11-28 11:21:00,619 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 [2018-11-28 11:21:00,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-11-28 11:21:00,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 178. [2018-11-28 11:21:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-11-28 11:21:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 203 transitions. [2018-11-28 11:21:00,643 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 203 transitions. Word has length 59 [2018-11-28 11:21:00,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:00,643 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 203 transitions. [2018-11-28 11:21:00,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:21:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 203 transitions. [2018-11-28 11:21:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-28 11:21:00,645 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:00,645 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] [2018-11-28 11:21:00,645 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:00,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:00,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1035274394, now seen corresponding path program 1 times [2018-11-28 11:21:00,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:21:00,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:21:00,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:00,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:00,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:21:00,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:21:00,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:21:00,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:21:00,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:21:00,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:21:00,761 INFO L87 Difference]: Start difference. First operand 178 states and 203 transitions. Second operand 8 states. [2018-11-28 11:21:00,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:00,819 INFO L93 Difference]: Finished difference Result 339 states and 397 transitions. [2018-11-28 11:21:00,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:21:00,821 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2018-11-28 11:21:00,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:00,824 INFO L225 Difference]: With dead ends: 339 [2018-11-28 11:21:00,824 INFO L226 Difference]: Without dead ends: 185 [2018-11-28 11:21:00,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:21:00,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-11-28 11:21:00,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2018-11-28 11:21:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-11-28 11:21:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 207 transitions. [2018-11-28 11:21:00,844 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 207 transitions. Word has length 73 [2018-11-28 11:21:00,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:00,845 INFO L480 AbstractCegarLoop]: Abstraction has 182 states and 207 transitions. [2018-11-28 11:21:00,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:21:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 207 transitions. [2018-11-28 11:21:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-28 11:21:00,846 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:00,847 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] [2018-11-28 11:21:00,847 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:00,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:00,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1336464868, now seen corresponding path program 1 times [2018-11-28 11:21:00,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:21:00,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:21:00,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:00,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:00,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:21:00,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:21:00,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 11:21:00,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 11:21:00,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 11:21:00,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:21:00,968 INFO L87 Difference]: Start difference. First operand 182 states and 207 transitions. Second operand 10 states. [2018-11-28 11:21:01,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:01,409 INFO L93 Difference]: Finished difference Result 585 states and 722 transitions. [2018-11-28 11:21:01,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 11:21:01,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2018-11-28 11:21:01,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:01,413 INFO L225 Difference]: With dead ends: 585 [2018-11-28 11:21:01,413 INFO L226 Difference]: Without dead ends: 427 [2018-11-28 11:21:01,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:21:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-28 11:21:01,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 417. [2018-11-28 11:21:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-11-28 11:21:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 488 transitions. [2018-11-28 11:21:01,446 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 488 transitions. Word has length 73 [2018-11-28 11:21:01,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:01,447 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 488 transitions. [2018-11-28 11:21:01,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 11:21:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 488 transitions. [2018-11-28 11:21:01,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-28 11:21:01,450 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:01,450 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:21:01,451 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:01,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:01,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1363345987, now seen corresponding path program 1 times [2018-11-28 11:21:01,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:21:01,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:21:01,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:01,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:01,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 11:21:01,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:21:01,530 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:21:01,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:01,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:21:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 11:21:01,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:21:01,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 11:21:01,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:21:01,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:21:01,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:21:01,723 INFO L87 Difference]: Start difference. First operand 417 states and 488 transitions. Second operand 6 states. [2018-11-28 11:21:01,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:01,770 INFO L93 Difference]: Finished difference Result 722 states and 873 transitions. [2018-11-28 11:21:01,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:21:01,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-11-28 11:21:01,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:01,773 INFO L225 Difference]: With dead ends: 722 [2018-11-28 11:21:01,773 INFO L226 Difference]: Without dead ends: 329 [2018-11-28 11:21:01,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:21:01,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-28 11:21:01,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 327. [2018-11-28 11:21:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-11-28 11:21:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 381 transitions. [2018-11-28 11:21:01,800 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 381 transitions. Word has length 124 [2018-11-28 11:21:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:01,801 INFO L480 AbstractCegarLoop]: Abstraction has 327 states and 381 transitions. [2018-11-28 11:21:01,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:21:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 381 transitions. [2018-11-28 11:21:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-28 11:21:01,803 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:01,803 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:21:01,803 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:01,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:01,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1501428259, now seen corresponding path program 1 times [2018-11-28 11:21:01,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:21:01,804 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:21:01,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:01,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:01,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-28 11:21:01,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:21:01,903 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:21:01,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:02,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:21:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:21:02,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:21:02,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-28 11:21:02,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:21:02,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:21:02,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:21:02,143 INFO L87 Difference]: Start difference. First operand 327 states and 381 transitions. Second operand 13 states. [2018-11-28 11:21:03,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:03,628 INFO L93 Difference]: Finished difference Result 836 states and 1087 transitions. [2018-11-28 11:21:03,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-28 11:21:03,629 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 126 [2018-11-28 11:21:03,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:03,632 INFO L225 Difference]: With dead ends: 836 [2018-11-28 11:21:03,632 INFO L226 Difference]: Without dead ends: 585 [2018-11-28 11:21:03,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=382, Invalid=1688, Unknown=0, NotChecked=0, Total=2070 [2018-11-28 11:21:03,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2018-11-28 11:21:03,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 496. [2018-11-28 11:21:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-11-28 11:21:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 597 transitions. [2018-11-28 11:21:03,674 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 597 transitions. Word has length 126 [2018-11-28 11:21:03,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:03,675 INFO L480 AbstractCegarLoop]: Abstraction has 496 states and 597 transitions. [2018-11-28 11:21:03,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:21:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 597 transitions. [2018-11-28 11:21:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-28 11:21:03,677 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:03,677 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:21:03,677 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:03,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:03,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1623220820, now seen corresponding path program 1 times [2018-11-28 11:21:03,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:21:03,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:21:03,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:03,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:03,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:03,833 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:21:03,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:21:03,834 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:21:03,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:21:03,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:21:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:21:04,039 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:21:04,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-28 11:21:04,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 11:21:04,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 11:21:04,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:21:04,041 INFO L87 Difference]: Start difference. First operand 496 states and 597 transitions. Second operand 15 states. [2018-11-28 11:21:04,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:21:04,957 INFO L93 Difference]: Finished difference Result 985 states and 1244 transitions. [2018-11-28 11:21:04,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 11:21:04,957 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 128 [2018-11-28 11:21:04,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:21:04,960 INFO L225 Difference]: With dead ends: 985 [2018-11-28 11:21:04,961 INFO L226 Difference]: Without dead ends: 563 [2018-11-28 11:21:04,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-11-28 11:21:04,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-11-28 11:21:04,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 484. [2018-11-28 11:21:04,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-11-28 11:21:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 582 transitions. [2018-11-28 11:21:04,992 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 582 transitions. Word has length 128 [2018-11-28 11:21:04,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:21:04,992 INFO L480 AbstractCegarLoop]: Abstraction has 484 states and 582 transitions. [2018-11-28 11:21:04,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 11:21:04,993 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 582 transitions. [2018-11-28 11:21:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-28 11:21:04,995 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:21:04,996 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, 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] [2018-11-28 11:21:04,996 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:21:04,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:21:04,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1743969172, now seen corresponding path program 2 times [2018-11-28 11:21:04,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:21:04,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:21:04,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:04,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:21:04,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:21:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:21:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:21:05,173 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:21:05,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:21:05 BoogieIcfgContainer [2018-11-28 11:21:05,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:21:05,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:21:05,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:21:05,346 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:21:05,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:59" (3/4) ... [2018-11-28 11:21:05,349 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:21:05,521 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c1297eee-f63d-41d2-b128-1b339aacb5a5/bin-2019/uautomizer/witness.graphml [2018-11-28 11:21:05,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:21:05,522 INFO L168 Benchmark]: Toolchain (without parser) took 7429.33 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 338.2 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -275.9 MB). Peak memory consumption was 62.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:05,523 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:21:05,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:05,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:21:05,524 INFO L168 Benchmark]: Boogie Preprocessor took 36.49 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:05,525 INFO L168 Benchmark]: RCFGBuilder took 573.46 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: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:05,525 INFO L168 Benchmark]: TraceAbstraction took 6240.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -185.7 MB). Peak memory consumption was 433.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:05,525 INFO L168 Benchmark]: Witness Printer took 175.61 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:21:05,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.91 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 36.49 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 573.46 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: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6240.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -185.7 MB). Peak memory consumption was 433.6 MB. Max. memory is 11.5 GB. * Witness Printer took 175.61 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 211]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L385] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L822] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=200, \old(head)=189, \old(head)=201, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=147, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] int retValue_acc ; [L896] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L198] int retValue_acc ; [L201] retValue_acc = 1 [L202] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L902] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L902] tmp = valid_product() [L904] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L906] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L907] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L585] int splverifierCounter ; [L586] int tmp ; [L587] int tmp___0 ; [L588] int tmp___1 ; [L589] int tmp___2 ; [L592] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L602] tmp = __VERIFIER_nondet_int() [L604] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L606] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L803] int retValue_acc ; [L804] int tmp ; [L805] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L809] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] tmp = isHighWaterSensorDry() [L811] COND FALSE !(\read(tmp)) [L814] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L816] retValue_acc = tmp___0 [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L693] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L697] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L747] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L751] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] retValue_acc = isMethaneLevelCritical() [L753] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L726] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] tmp = isMethaneAlarm() [L728] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L732] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L716] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L732] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L697] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] tmp = getWaterLevel() [L151] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L674] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L637] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L661] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] tmp = getWaterLevel() [L151] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L674] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L637] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L659] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L661] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L661] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L691] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] tmp = getWaterLevel() [L151] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L153] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L758] int retValue_acc ; [L761] retValue_acc = pumpRunning [L762] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L153] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L153] tmp___0 = isPumpRunning() [L155] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L157] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L211] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 133 locations, 1 error locations. UNSAFE Result, 6.1s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1231 SDtfs, 1765 SDslu, 3455 SDs, 0 SdLazy, 3249 SolverSat, 989 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 420 SyntacticMatches, 3 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 201 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1268 NumberOfCodeBlocks, 1268 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1093 ConstructedInterpolants, 0 QuantifiedInterpolants, 199748 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2374 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 167/186 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...