./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-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_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:02:46,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:02:46,286 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:02:46,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:02:46,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:02:46,296 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:02:46,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:02:46,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:02:46,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:02:46,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:02:46,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:02:46,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:02:46,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:02:46,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:02:46,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:02:46,305 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:02:46,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:02:46,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:02:46,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:02:46,310 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:02:46,311 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:02:46,312 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:02:46,313 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:02:46,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:02:46,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:02:46,315 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:02:46,316 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:02:46,316 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:02:46,317 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:02:46,318 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:02:46,318 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:02:46,319 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:02:46,319 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:02:46,319 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:02:46,320 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:02:46,321 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:02:46,321 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:02:46,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:02:46,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:02:46,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:02:46,332 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:02:46,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:02:46,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:02:46,333 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:02:46,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:02:46,334 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:02:46,334 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:02:46,334 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:02:46,334 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:02:46,334 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:02:46,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:02:46,335 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:02:46,335 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:02:46,335 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:02:46,335 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:02:46,335 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:02:46,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:02:46,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:02:46,336 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:02:46,336 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:02:46,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:02:46,336 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:02:46,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:02:46,336 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:02:46,336 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:02:46,337 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:02:46,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:02:46,337 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_c1352575-3ae0-40ae-a129-c33bc9be2f22/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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2018-11-28 12:02:46,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:02:46,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:02:46,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:02:46,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:02:46,372 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:02:46,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-11-28 12:02:46,411 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/data/5890576f3/3ff27a5ca5334689a5202564b5f407a0/FLAG03b4cf737 [2018-11-28 12:02:46,858 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:02:46,859 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-11-28 12:02:46,868 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/data/5890576f3/3ff27a5ca5334689a5202564b5f407a0/FLAG03b4cf737 [2018-11-28 12:02:46,878 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/data/5890576f3/3ff27a5ca5334689a5202564b5f407a0 [2018-11-28 12:02:46,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:02:46,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:02:46,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:02:46,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:02:46,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:02:46,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:02:46" (1/1) ... [2018-11-28 12:02:46,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:46, skipping insertion in model container [2018-11-28 12:02:46,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:02:46" (1/1) ... [2018-11-28 12:02:46,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:02:46,920 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:02:47,114 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:02:47,170 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:02:47,222 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:02:47,238 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:02:47,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47 WrapperNode [2018-11-28 12:02:47,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:02:47,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:02:47,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:02:47,239 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:02:47,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:02:47,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:02:47,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:02:47,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:02:47,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... [2018-11-28 12:02:47,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:02:47,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:02:47,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:02:47,301 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:02:47,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/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 12:02:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:02:47,343 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:02:47,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:02:47,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:02:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:02:47,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:02:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:02:47,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:02:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:02:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:02:47,344 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:02:47,344 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:02:47,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:02:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:02:47,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:02:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:02:47,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:02:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:02:47,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:02:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:02:47,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:02:47,345 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:02:47,345 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:02:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:02:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:02:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:02:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:02:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:02:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:02:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:02:47,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:02:47,346 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:02:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:02:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:02:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:02:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:02:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:02:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:02:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:02:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:02:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:02:47,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:02:47,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:02:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:02:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:02:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:02:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:02:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:02:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:02:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:02:47,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:02:47,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:02:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:02:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:02:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:02:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:02:47,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:02:47,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:02:47,816 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:02:47,816 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:02:47,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:02:47 BoogieIcfgContainer [2018-11-28 12:02:47,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:02:47,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:02:47,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:02:47,819 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:02:47,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:02:46" (1/3) ... [2018-11-28 12:02:47,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ae2af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:02:47, skipping insertion in model container [2018-11-28 12:02:47,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:47" (2/3) ... [2018-11-28 12:02:47,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ae2af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:02:47, skipping insertion in model container [2018-11-28 12:02:47,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:02:47" (3/3) ... [2018-11-28 12:02:47,822 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-11-28 12:02:47,829 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:02:47,835 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:02:47,844 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:02:47,869 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:02:47,869 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:02:47,869 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:02:47,870 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:02:47,870 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:02:47,870 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:02:47,870 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:02:47,870 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:02:47,870 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:02:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-28 12:02:47,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:02:47,895 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:47,896 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 12:02:47,898 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:47,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:47,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1165860075, now seen corresponding path program 1 times [2018-11-28 12:02:47,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:47,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:47,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:47,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:47,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:48,087 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 12:02:48,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:48,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:02:48,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:02:48,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:02:48,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:02:48,104 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-28 12:02:48,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:48,128 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions. [2018-11-28 12:02:48,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:02:48,129 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:02:48,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:48,136 INFO L225 Difference]: With dead ends: 264 [2018-11-28 12:02:48,136 INFO L226 Difference]: Without dead ends: 132 [2018-11-28 12:02:48,139 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 12:02:48,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-28 12:02:48,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-28 12:02:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-28 12:02:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2018-11-28 12:02:48,173 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 46 [2018-11-28 12:02:48,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:48,173 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2018-11-28 12:02:48,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:02:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2018-11-28 12:02:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:02:48,175 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:48,175 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 12:02:48,176 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:48,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:48,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1493628662, now seen corresponding path program 1 times [2018-11-28 12:02:48,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:48,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:48,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:48,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:48,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:48,269 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 12:02:48,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:48,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:02:48,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:02:48,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:02:48,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:02:48,271 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 3 states. [2018-11-28 12:02:48,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:48,294 INFO L93 Difference]: Finished difference Result 209 states and 243 transitions. [2018-11-28 12:02:48,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:02:48,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:02:48,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:48,296 INFO L225 Difference]: With dead ends: 209 [2018-11-28 12:02:48,296 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 12:02:48,297 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 12:02:48,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 12:02:48,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-28 12:02:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 12:02:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-11-28 12:02:48,307 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2018-11-28 12:02:48,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:48,308 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-11-28 12:02:48,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:02:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-11-28 12:02:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:02:48,309 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:48,309 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:48,309 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:48,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:48,310 INFO L82 PathProgramCache]: Analyzing trace with hash -252850339, now seen corresponding path program 1 times [2018-11-28 12:02:48,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:48,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:48,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:48,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:48,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:48,447 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 12:02:48,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:48,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:02:48,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:02:48,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:02:48,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:02:48,449 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2018-11-28 12:02:48,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:48,670 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2018-11-28 12:02:48,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:02:48,671 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 12:02:48,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:48,672 INFO L225 Difference]: With dead ends: 222 [2018-11-28 12:02:48,672 INFO L226 Difference]: Without dead ends: 123 [2018-11-28 12:02:48,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:02:48,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-28 12:02:48,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-11-28 12:02:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-28 12:02:48,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2018-11-28 12:02:48,680 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 52 [2018-11-28 12:02:48,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:48,681 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2018-11-28 12:02:48,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:02:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2018-11-28 12:02:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 12:02:48,682 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:48,682 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] [2018-11-28 12:02:48,683 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:48,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:48,683 INFO L82 PathProgramCache]: Analyzing trace with hash 207379814, now seen corresponding path program 1 times [2018-11-28 12:02:48,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:48,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:48,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:48,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:48,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:48,777 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 12:02:48,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:48,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:02:48,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:02:48,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:02:48,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:02:48,779 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 5 states. [2018-11-28 12:02:49,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:49,178 INFO L93 Difference]: Finished difference Result 321 states and 385 transitions. [2018-11-28 12:02:49,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:02:49,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-28 12:02:49,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:49,180 INFO L225 Difference]: With dead ends: 321 [2018-11-28 12:02:49,180 INFO L226 Difference]: Without dead ends: 222 [2018-11-28 12:02:49,182 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:02:49,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-28 12:02:49,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 203. [2018-11-28 12:02:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-11-28 12:02:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2018-11-28 12:02:49,203 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 65 [2018-11-28 12:02:49,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:49,204 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2018-11-28 12:02:49,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:02:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2018-11-28 12:02:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 12:02:49,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:49,206 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:49,206 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:49,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:49,206 INFO L82 PathProgramCache]: Analyzing trace with hash -284843833, now seen corresponding path program 1 times [2018-11-28 12:02:49,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:49,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:49,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:49,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:49,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:49,312 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 12:02:49,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:49,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:02:49,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:02:49,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:02:49,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:02:49,314 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand 10 states. [2018-11-28 12:02:49,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:49,682 INFO L93 Difference]: Finished difference Result 650 states and 804 transitions. [2018-11-28 12:02:49,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:02:49,683 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-11-28 12:02:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:49,687 INFO L225 Difference]: With dead ends: 650 [2018-11-28 12:02:49,687 INFO L226 Difference]: Without dead ends: 471 [2018-11-28 12:02:49,688 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 12:02:49,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2018-11-28 12:02:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 461. [2018-11-28 12:02:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-11-28 12:02:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 541 transitions. [2018-11-28 12:02:49,724 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 541 transitions. Word has length 79 [2018-11-28 12:02:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:49,724 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 541 transitions. [2018-11-28 12:02:49,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:02:49,724 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 541 transitions. [2018-11-28 12:02:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-28 12:02:49,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:49,727 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:49,728 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:49,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:49,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1206313810, now seen corresponding path program 1 times [2018-11-28 12:02:49,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:49,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:49,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:49,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:49,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 12:02:49,797 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:02:49,798 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/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 12:02:49,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:49,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:02:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:50,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:02:50,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 12:02:50,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:02:50,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:02:50,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:02:50,104 INFO L87 Difference]: Start difference. First operand 461 states and 541 transitions. Second operand 12 states. [2018-11-28 12:02:51,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:51,281 INFO L93 Difference]: Finished difference Result 1339 states and 1757 transitions. [2018-11-28 12:02:51,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 12:02:51,281 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 134 [2018-11-28 12:02:51,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:51,285 INFO L225 Difference]: With dead ends: 1339 [2018-11-28 12:02:51,285 INFO L226 Difference]: Without dead ends: 902 [2018-11-28 12:02:51,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-28 12:02:51,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2018-11-28 12:02:51,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 821. [2018-11-28 12:02:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-28 12:02:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1002 transitions. [2018-11-28 12:02:51,346 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1002 transitions. Word has length 134 [2018-11-28 12:02:51,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:51,346 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 1002 transitions. [2018-11-28 12:02:51,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:02:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1002 transitions. [2018-11-28 12:02:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-28 12:02:51,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:51,349 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:51,349 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:51,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:51,349 INFO L82 PathProgramCache]: Analyzing trace with hash 401424086, now seen corresponding path program 1 times [2018-11-28 12:02:51,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:51,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:51,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:51,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:51,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 12:02:51,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:02:51,444 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/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 12:02:51,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:51,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:02:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 12:02:51,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:02:51,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 12:02:51,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:02:51,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:02:51,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:02:51,570 INFO L87 Difference]: Start difference. First operand 821 states and 1002 transitions. Second operand 11 states. [2018-11-28 12:02:51,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:51,633 INFO L93 Difference]: Finished difference Result 1485 states and 1848 transitions. [2018-11-28 12:02:51,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:02:51,635 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2018-11-28 12:02:51,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:51,638 INFO L225 Difference]: With dead ends: 1485 [2018-11-28 12:02:51,639 INFO L226 Difference]: Without dead ends: 688 [2018-11-28 12:02:51,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:02:51,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2018-11-28 12:02:51,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2018-11-28 12:02:51,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2018-11-28 12:02:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 826 transitions. [2018-11-28 12:02:51,678 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 826 transitions. Word has length 130 [2018-11-28 12:02:51,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:51,678 INFO L480 AbstractCegarLoop]: Abstraction has 688 states and 826 transitions. [2018-11-28 12:02:51,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:02:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 826 transitions. [2018-11-28 12:02:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-28 12:02:51,680 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:51,680 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:51,680 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:51,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:51,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1271729519, now seen corresponding path program 1 times [2018-11-28 12:02:51,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:51,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:51,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:51,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:51,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 12:02:51,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:51,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:02:51,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:02:51,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:02:51,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:02:51,762 INFO L87 Difference]: Start difference. First operand 688 states and 826 transitions. Second operand 6 states. [2018-11-28 12:02:51,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:51,808 INFO L93 Difference]: Finished difference Result 1304 states and 1588 transitions. [2018-11-28 12:02:51,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:02:51,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-28 12:02:51,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:51,812 INFO L225 Difference]: With dead ends: 1304 [2018-11-28 12:02:51,812 INFO L226 Difference]: Without dead ends: 703 [2018-11-28 12:02:51,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:02:51,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2018-11-28 12:02:51,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2018-11-28 12:02:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2018-11-28 12:02:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 841 transitions. [2018-11-28 12:02:51,851 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 841 transitions. Word has length 134 [2018-11-28 12:02:51,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:51,851 INFO L480 AbstractCegarLoop]: Abstraction has 703 states and 841 transitions. [2018-11-28 12:02:51,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:02:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 841 transitions. [2018-11-28 12:02:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-28 12:02:51,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:51,853 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:51,854 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:51,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:51,854 INFO L82 PathProgramCache]: Analyzing trace with hash 762256429, now seen corresponding path program 1 times [2018-11-28 12:02:51,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:51,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:51,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:51,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:51,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 12:02:51,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:51,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:02:51,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:02:51,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:02:51,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:02:51,911 INFO L87 Difference]: Start difference. First operand 703 states and 841 transitions. Second operand 6 states. [2018-11-28 12:02:52,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:52,068 INFO L93 Difference]: Finished difference Result 720 states and 860 transitions. [2018-11-28 12:02:52,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:02:52,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-28 12:02:52,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:52,073 INFO L225 Difference]: With dead ends: 720 [2018-11-28 12:02:52,073 INFO L226 Difference]: Without dead ends: 717 [2018-11-28 12:02:52,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:02:52,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-11-28 12:02:52,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2018-11-28 12:02:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2018-11-28 12:02:52,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 837 transitions. [2018-11-28 12:02:52,111 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 837 transitions. Word has length 134 [2018-11-28 12:02:52,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:52,112 INFO L480 AbstractCegarLoop]: Abstraction has 703 states and 837 transitions. [2018-11-28 12:02:52,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:02:52,112 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 837 transitions. [2018-11-28 12:02:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 12:02:52,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:52,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:52,114 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:52,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:52,114 INFO L82 PathProgramCache]: Analyzing trace with hash -559589397, now seen corresponding path program 1 times [2018-11-28 12:02:52,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:52,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:52,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:52,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:52,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-28 12:02:52,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:02:52,234 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/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 12:02:52,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:52,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:02:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:52,420 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:02:52,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 12:02:52,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:02:52,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:02:52,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:02:52,421 INFO L87 Difference]: Start difference. First operand 703 states and 837 transitions. Second operand 14 states. [2018-11-28 12:02:53,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:53,607 INFO L93 Difference]: Finished difference Result 1400 states and 1752 transitions. [2018-11-28 12:02:53,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 12:02:53,608 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2018-11-28 12:02:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:53,612 INFO L225 Difference]: With dead ends: 1400 [2018-11-28 12:02:53,613 INFO L226 Difference]: Without dead ends: 784 [2018-11-28 12:02:53,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-28 12:02:53,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2018-11-28 12:02:53,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 685. [2018-11-28 12:02:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2018-11-28 12:02:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 815 transitions. [2018-11-28 12:02:53,661 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 815 transitions. Word has length 138 [2018-11-28 12:02:53,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:53,662 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 815 transitions. [2018-11-28 12:02:53,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:02:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 815 transitions. [2018-11-28 12:02:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-28 12:02:53,665 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:53,665 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 12:02:53,665 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:53,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:53,666 INFO L82 PathProgramCache]: Analyzing trace with hash -696168030, now seen corresponding path program 2 times [2018-11-28 12:02:53,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:53,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:53,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:53,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:53,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-28 12:02:53,797 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:02:53,797 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:02:53,810 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:02:53,930 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 12:02:53,931 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:02:53,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:02:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 12:02:54,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:02:54,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-28 12:02:54,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:02:54,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:02:54,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:02:54,147 INFO L87 Difference]: Start difference. First operand 685 states and 815 transitions. Second operand 14 states. [2018-11-28 12:02:55,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:55,223 INFO L93 Difference]: Finished difference Result 1659 states and 2017 transitions. [2018-11-28 12:02:55,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 12:02:55,223 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 192 [2018-11-28 12:02:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:55,227 INFO L225 Difference]: With dead ends: 1659 [2018-11-28 12:02:55,227 INFO L226 Difference]: Without dead ends: 1059 [2018-11-28 12:02:55,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-11-28 12:02:55,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2018-11-28 12:02:55,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 983. [2018-11-28 12:02:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983 states. [2018-11-28 12:02:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1143 transitions. [2018-11-28 12:02:55,280 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1143 transitions. Word has length 192 [2018-11-28 12:02:55,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:55,281 INFO L480 AbstractCegarLoop]: Abstraction has 983 states and 1143 transitions. [2018-11-28 12:02:55,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:02:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1143 transitions. [2018-11-28 12:02:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-28 12:02:55,283 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:55,284 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:55,284 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:55,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:55,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1640224480, now seen corresponding path program 1 times [2018-11-28 12:02:55,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:55,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:55,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:55,285 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:02:55,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-28 12:02:55,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:02:55,399 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:02:55,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:55,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:02:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-28 12:02:55,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:02:55,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 12:02:55,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:02:55,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:02:55,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:02:55,598 INFO L87 Difference]: Start difference. First operand 983 states and 1143 transitions. Second operand 13 states. [2018-11-28 12:02:55,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:55,661 INFO L93 Difference]: Finished difference Result 1323 states and 1536 transitions. [2018-11-28 12:02:55,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:02:55,661 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2018-11-28 12:02:55,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:55,662 INFO L225 Difference]: With dead ends: 1323 [2018-11-28 12:02:55,662 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:02:55,664 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:02:55,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:02:55,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:02:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:02:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:02:55,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2018-11-28 12:02:55,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:55,665 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:02:55,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:02:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:02:55,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:02:55,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:02:55,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:55,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:56,245 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2018-11-28 12:02:56,659 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 23 [2018-11-28 12:02:57,442 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 566 572) the Hoare annotation is: true [2018-11-28 12:02:57,442 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 566 572) no Hoare annotation was computed. [2018-11-28 12:02:57,442 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 573 581) no Hoare annotation was computed. [2018-11-28 12:02:57,442 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 573 581) the Hoare annotation is: true [2018-11-28 12:02:57,442 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 573 581) no Hoare annotation was computed. [2018-11-28 12:02:57,442 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-11-28 12:02:57,442 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-11-28 12:02:57,443 INFO L451 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-11-28 12:02:57,443 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-11-28 12:02:57,443 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-11-28 12:02:57,443 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-11-28 12:02:57,443 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 12:02:57,443 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-11-28 12:02:57,443 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 12:02:57,443 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-28 12:02:57,443 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,443 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2018-11-28 12:02:57,443 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,443 INFO L444 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-28 12:02:57,444 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,444 INFO L444 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,444 INFO L444 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2018-11-28 12:02:57,444 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-11-28 12:02:57,444 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2018-11-28 12:02:57,444 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-28 12:02:57,445 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 871 889) the Hoare annotation is: true [2018-11-28 12:02:57,445 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 871 889) no Hoare annotation was computed. [2018-11-28 12:02:57,445 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 871 889) no Hoare annotation was computed. [2018-11-28 12:02:57,445 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 559 565) no Hoare annotation was computed. [2018-11-28 12:02:57,445 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 559 565) the Hoare annotation is: true [2018-11-28 12:02:57,445 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,445 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2018-11-28 12:02:57,445 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2018-11-28 12:02:57,445 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,445 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2018-11-28 12:02:57,445 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2018-11-28 12:02:57,445 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,445 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))))) [2018-11-28 12:02:57,445 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,446 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 677) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 667 680) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 667 680) the Hoare annotation is: true [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 667 680) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-11-28 12:02:57,446 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-11-28 12:02:57,446 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2018-11-28 12:02:57,447 INFO L448 ceAbstractionStarter]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2018-11-28 12:02:57,447 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 899 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,447 INFO L444 ceAbstractionStarter]: At program point L954(lines 909 956) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:02:57,447 INFO L444 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:02:57,447 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 925) no Hoare annotation was computed. [2018-11-28 12:02:57,447 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 899 964) no Hoare annotation was computed. [2018-11-28 12:02:57,447 INFO L448 ceAbstractionStarter]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2018-11-28 12:02:57,447 INFO L448 ceAbstractionStarter]: For program point L911(lines 911 915) no Hoare annotation was computed. [2018-11-28 12:02:57,447 INFO L444 ceAbstractionStarter]: At program point L957(lines 908 958) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:02:57,447 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 951) no Hoare annotation was computed. [2018-11-28 12:02:57,448 INFO L444 ceAbstractionStarter]: At program point L947-2(lines 939 952) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:02:57,448 INFO L448 ceAbstractionStarter]: For program point L910(lines 909 956) no Hoare annotation was computed. [2018-11-28 12:02:57,448 INFO L444 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:02:57,448 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 952) no Hoare annotation was computed. [2018-11-28 12:02:57,448 INFO L444 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:02:57,448 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 899 964) no Hoare annotation was computed. [2018-11-28 12:02:57,448 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-28 12:02:57,448 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 681 689) the Hoare annotation is: true [2018-11-28 12:02:57,448 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-28 12:02:57,448 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:02:57,448 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:02:57,448 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 852 870) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L451 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 852 870) the Hoare annotation is: true [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 852 870) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 658 666) the Hoare annotation is: true [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 658 666) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 658 666) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 614 625) the Hoare annotation is: true [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 614 625) no Hoare annotation was computed. [2018-11-28 12:02:57,449 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (< |old(~waterLevel~0)| 1) .cse1) (or (let ((.cse2 (+ ~waterLevel~0 1))) (and (<= .cse2 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse2) .cse0)) (and (= 0 ~pumpRunning~0) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)))) [2018-11-28 12:02:57,450 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (<= 2 |old(~waterLevel~0)|) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0 (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse1 (let ((.cse2 (+ ~waterLevel~0 1))) (and (<= .cse2 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse2))) (or (< |old(~waterLevel~0)| 2) .cse0)))) [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L451 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2018-11-28 12:02:57,450 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2018-11-28 12:02:57,450 INFO L451 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L451 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L451 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 590 601) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 590 601) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2018-11-28 12:02:57,450 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 12:02:57,451 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 890 897) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 890 897) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1)) (or (not (= 0 ~pumpRunning~0)) .cse0 (< ~waterLevel~0 1) .cse1))) [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 890 897) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,451 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,451 INFO L444 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 602 613) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-11-28 12:02:57,451 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 602 613) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-28 12:02:57,451 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2018-11-28 12:02:57,452 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2018-11-28 12:02:57,452 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2018-11-28 12:02:57,452 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2018-11-28 12:02:57,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:02:57 BoogieIcfgContainer [2018-11-28 12:02:57,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:02:57,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:02:57,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:02:57,466 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:02:57,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:02:47" (3/4) ... [2018-11-28 12:02:57,470 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:02:57,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:02:57,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:02:57,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:02:57,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:02:57,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:02:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:02:57,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:02:57,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:02:57,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:02:57,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:02:57,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:02:57,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 12:02:57,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:02:57,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:02:57,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:02:57,487 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 12:02:57,487 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 12:02:57,487 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 12:02:57,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:02:57,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:02:57,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:02:57,513 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 12:02:57,513 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 12:02:57,542 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c1352575-3ae0-40ae-a129-c33bc9be2f22/bin-2019/uautomizer/witness.graphml [2018-11-28 12:02:57,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:02:57,543 INFO L168 Benchmark]: Toolchain (without parser) took 10662.64 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.1 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -211.4 MB). Peak memory consumption was 201.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:57,544 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 12:02:57,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:57,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.28 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 12:02:57,544 INFO L168 Benchmark]: Boogie Preprocessor took 31.61 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 12:02:57,544 INFO L168 Benchmark]: RCFGBuilder took 515.25 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:57,545 INFO L168 Benchmark]: TraceAbstraction took 9648.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -89.2 MB). Peak memory consumption was 516.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:57,545 INFO L168 Benchmark]: Witness Printer took 76.89 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:57,546 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 356.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -194.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.28 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 31.61 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 515.25 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9648.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -89.2 MB). Peak memory consumption was 516.4 MB. Max. memory is 11.5 GB. * Witness Printer took 76.89 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1931 SDtfs, 2234 SDslu, 6520 SDs, 0 SdLazy, 5589 SolverSat, 1187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 962 GetRequests, 818 SyntacticMatches, 2 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=983occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 299 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2028 PreInvPairs, 2089 NumberOfFragments, 967 HoareAnnotationTreeSize, 2028 FomulaSimplifications, 4235 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 6800 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2129 NumberOfCodeBlocks, 2129 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2112 ConstructedInterpolants, 0 QuantifiedInterpolants, 437253 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4411 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 615/656 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...