/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:00:45,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:00:45,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:00:45,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:00:45,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:00:45,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:00:45,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:00:45,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:00:45,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:00:45,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:00:45,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:00:45,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:00:45,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:00:45,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:00:45,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:00:45,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:00:45,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:00:45,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:00:45,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:00:45,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:00:45,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:00:45,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:00:45,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:00:45,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:00:45,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:00:45,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:00:45,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:00:45,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:00:45,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:00:45,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:00:45,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:00:45,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:00:45,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:00:45,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:00:45,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:00:45,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:00:45,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:00:45,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:00:45,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:00:45,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:00:45,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:00:45,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:00:45,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:00:45,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:00:45,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:00:45,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:00:45,411 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:00:45,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:00:45,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:00:45,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:00:45,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:00:45,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:00:45,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:00:45,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:00:45,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:00:45,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:00:45,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:00:45,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:00:45,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:00:45,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:00:45,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:00:45,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:00:45,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:00:45,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:00:45,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:00:45,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:00:45,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:00:45,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:00:45,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:00:45,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:00:45,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:00:45,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:00:45,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:00:45,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:00:45,726 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:00:45,726 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:00:45,727 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-11-07 01:00:45,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0e6c742/fd9e697da69c492385ff0c2e53a84f9b/FLAGfd40c56da [2019-11-07 01:00:46,279 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:00:46,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-11-07 01:00:46,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0e6c742/fd9e697da69c492385ff0c2e53a84f9b/FLAGfd40c56da [2019-11-07 01:00:46,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0e6c742/fd9e697da69c492385ff0c2e53a84f9b [2019-11-07 01:00:46,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:00:46,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:00:46,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:00:46,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:00:46,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:00:46,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:46" (1/1) ... [2019-11-07 01:00:46,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb53db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:46, skipping insertion in model container [2019-11-07 01:00:46,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:46" (1/1) ... [2019-11-07 01:00:46,653 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:00:46,716 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:00:47,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:00:47,222 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:00:47,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:00:47,367 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:00:47,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47 WrapperNode [2019-11-07 01:00:47,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:00:47,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:00:47,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:00:47,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:00:47,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (1/1) ... [2019-11-07 01:00:47,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (1/1) ... [2019-11-07 01:00:47,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (1/1) ... [2019-11-07 01:00:47,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (1/1) ... [2019-11-07 01:00:47,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (1/1) ... [2019-11-07 01:00:47,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (1/1) ... [2019-11-07 01:00:47,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (1/1) ... [2019-11-07 01:00:47,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:00:47,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:00:47,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:00:47,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:00:47,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-07 01:00:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:00:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:00:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:00:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:00:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:00:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:00:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:00:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:00:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:00:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-07 01:00:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:00:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:00:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:00:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:00:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:00:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:00:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:00:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:00:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:00:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:00:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:00:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:00:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:00:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:00:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:00:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:00:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:00:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:00:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:00:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:00:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:00:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:00:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:00:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:00:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:00:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:00:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:00:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:00:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:00:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:00:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:00:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:00:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:00:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:00:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:00:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:00:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:00:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:00:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:00:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:00:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:00:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:00:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:00:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:00:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:00:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:00:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:00:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:00:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:00:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:00:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:00:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:00:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:00:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:00:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:00:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-07 01:00:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:00:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:00:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:00:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:00:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:00:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:00:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:00:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:00:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:00:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:00:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:00:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:00:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:00:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:00:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:00:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:00:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:00:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:00:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:00:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:00:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:00:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:00:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:00:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:00:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:00:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:00:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:00:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:00:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:00:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:00:48,641 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:00:48,642 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:00:48,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:48 BoogieIcfgContainer [2019-11-07 01:00:48,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:00:48,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:00:48,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:00:48,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:00:48,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:00:46" (1/3) ... [2019-11-07 01:00:48,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ee8724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:48, skipping insertion in model container [2019-11-07 01:00:48,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:47" (2/3) ... [2019-11-07 01:00:48,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ee8724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:48, skipping insertion in model container [2019-11-07 01:00:48,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:48" (3/3) ... [2019-11-07 01:00:48,653 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2019-11-07 01:00:48,663 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:00:48,672 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:00:48,684 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:00:48,723 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:00:48,723 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:00:48,724 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:00:48,724 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:00:48,724 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:00:48,724 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:00:48,724 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:00:48,725 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:00:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2019-11-07 01:00:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:00:48,769 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:48,770 INFO L410 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] [2019-11-07 01:00:48,772 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:48,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:48,778 INFO L82 PathProgramCache]: Analyzing trace with hash 291336746, now seen corresponding path program 1 times [2019-11-07 01:00:48,788 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:48,789 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734225092] [2019-11-07 01:00:48,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:49,140 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734225092] [2019-11-07 01:00:49,141 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:49,141 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:00:49,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026987595] [2019-11-07 01:00:49,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:00:49,154 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:49,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:00:49,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:00:49,172 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2019-11-07 01:00:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:49,216 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2019-11-07 01:00:49,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:00:49,217 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 01:00:49,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:49,243 INFO L225 Difference]: With dead ends: 276 [2019-11-07 01:00:49,244 INFO L226 Difference]: Without dead ends: 138 [2019-11-07 01:00:49,254 INFO L630 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 [2019-11-07 01:00:49,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-11-07 01:00:49,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-11-07 01:00:49,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-07 01:00:49,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2019-11-07 01:00:49,324 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2019-11-07 01:00:49,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:49,324 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2019-11-07 01:00:49,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:00:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2019-11-07 01:00:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 01:00:49,332 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:49,333 INFO L410 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] [2019-11-07 01:00:49,333 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:49,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:49,333 INFO L82 PathProgramCache]: Analyzing trace with hash -951540010, now seen corresponding path program 1 times [2019-11-07 01:00:49,334 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:49,334 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61928720] [2019-11-07 01:00:49,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:49,516 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61928720] [2019-11-07 01:00:49,516 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:49,516 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:00:49,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42196383] [2019-11-07 01:00:49,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:00:49,519 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:49,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:00:49,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:00:49,519 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2019-11-07 01:00:49,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:49,542 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2019-11-07 01:00:49,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:00:49,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 01:00:49,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:49,545 INFO L225 Difference]: With dead ends: 221 [2019-11-07 01:00:49,545 INFO L226 Difference]: Without dead ends: 129 [2019-11-07 01:00:49,547 INFO L630 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 [2019-11-07 01:00:49,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-07 01:00:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-11-07 01:00:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-07 01:00:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2019-11-07 01:00:49,563 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2019-11-07 01:00:49,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:49,563 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2019-11-07 01:00:49,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:00:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2019-11-07 01:00:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-07 01:00:49,566 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:49,567 INFO L410 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] [2019-11-07 01:00:49,567 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:49,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:49,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1718267444, now seen corresponding path program 1 times [2019-11-07 01:00:49,568 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:49,569 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434928309] [2019-11-07 01:00:49,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:49,790 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434928309] [2019-11-07 01:00:49,790 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:49,791 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:00:49,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633938920] [2019-11-07 01:00:49,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:00:49,793 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:49,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:00:49,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:00:49,795 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2019-11-07 01:00:50,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:50,233 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2019-11-07 01:00:50,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:00:50,234 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-07 01:00:50,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:50,237 INFO L225 Difference]: With dead ends: 234 [2019-11-07 01:00:50,237 INFO L226 Difference]: Without dead ends: 129 [2019-11-07 01:00:50,243 INFO L630 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 [2019-11-07 01:00:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-07 01:00:50,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-11-07 01:00:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-07 01:00:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2019-11-07 01:00:50,272 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2019-11-07 01:00:50,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:50,274 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2019-11-07 01:00:50,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:00:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2019-11-07 01:00:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-07 01:00:50,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:50,285 INFO L410 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] [2019-11-07 01:00:50,285 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:50,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:50,286 INFO L82 PathProgramCache]: Analyzing trace with hash -625773272, now seen corresponding path program 1 times [2019-11-07 01:00:50,288 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:50,288 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131291871] [2019-11-07 01:00:50,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:50,448 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131291871] [2019-11-07 01:00:50,448 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:50,448 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:00:50,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258947659] [2019-11-07 01:00:50,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:00:50,449 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:50,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:00:50,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:50,450 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 5 states. [2019-11-07 01:00:50,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:50,967 INFO L93 Difference]: Finished difference Result 345 states and 413 transitions. [2019-11-07 01:00:50,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:00:50,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-11-07 01:00:50,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:50,971 INFO L225 Difference]: With dead ends: 345 [2019-11-07 01:00:50,972 INFO L226 Difference]: Without dead ends: 240 [2019-11-07 01:00:50,973 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:00:50,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-11-07 01:00:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2019-11-07 01:00:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-11-07 01:00:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2019-11-07 01:00:51,017 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 71 [2019-11-07 01:00:51,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:51,018 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2019-11-07 01:00:51,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:00:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2019-11-07 01:00:51,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-07 01:00:51,020 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:51,020 INFO L410 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, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:51,020 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:51,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:51,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1888633043, now seen corresponding path program 1 times [2019-11-07 01:00:51,021 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:51,021 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914810484] [2019-11-07 01:00:51,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:51,169 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914810484] [2019-11-07 01:00:51,169 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:51,169 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:00:51,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193054550] [2019-11-07 01:00:51,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:00:51,172 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:51,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:00:51,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:00:51,173 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 6 states. [2019-11-07 01:00:51,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:51,391 INFO L93 Difference]: Finished difference Result 538 states and 643 transitions. [2019-11-07 01:00:51,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:00:51,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2019-11-07 01:00:51,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:51,396 INFO L225 Difference]: With dead ends: 538 [2019-11-07 01:00:51,396 INFO L226 Difference]: Without dead ends: 341 [2019-11-07 01:00:51,397 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:51,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-11-07 01:00:51,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2019-11-07 01:00:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2019-11-07 01:00:51,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 389 transitions. [2019-11-07 01:00:51,427 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 389 transitions. Word has length 85 [2019-11-07 01:00:51,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:51,427 INFO L462 AbstractCegarLoop]: Abstraction has 337 states and 389 transitions. [2019-11-07 01:00:51,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:00:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 389 transitions. [2019-11-07 01:00:51,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:00:51,430 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:51,430 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:51,430 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:51,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:51,431 INFO L82 PathProgramCache]: Analyzing trace with hash 408582233, now seen corresponding path program 1 times [2019-11-07 01:00:51,431 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:51,431 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927619263] [2019-11-07 01:00:51,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:51,559 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927619263] [2019-11-07 01:00:51,560 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:51,560 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:00:51,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412385494] [2019-11-07 01:00:51,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:00:51,561 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:51,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:00:51,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:00:51,562 INFO L87 Difference]: Start difference. First operand 337 states and 389 transitions. Second operand 6 states. [2019-11-07 01:00:51,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:51,804 INFO L93 Difference]: Finished difference Result 726 states and 872 transitions. [2019-11-07 01:00:51,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:00:51,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-11-07 01:00:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:51,809 INFO L225 Difference]: With dead ends: 726 [2019-11-07 01:00:51,809 INFO L226 Difference]: Without dead ends: 529 [2019-11-07 01:00:51,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:51,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-11-07 01:00:51,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 511. [2019-11-07 01:00:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2019-11-07 01:00:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 603 transitions. [2019-11-07 01:00:51,851 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 603 transitions. Word has length 89 [2019-11-07 01:00:51,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:51,851 INFO L462 AbstractCegarLoop]: Abstraction has 511 states and 603 transitions. [2019-11-07 01:00:51,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:00:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 603 transitions. [2019-11-07 01:00:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:00:51,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:51,855 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:51,855 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:51,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:51,856 INFO L82 PathProgramCache]: Analyzing trace with hash -514101350, now seen corresponding path program 1 times [2019-11-07 01:00:51,856 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:51,856 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920735900] [2019-11-07 01:00:51,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:51,937 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920735900] [2019-11-07 01:00:51,937 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:51,937 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:00:51,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389111629] [2019-11-07 01:00:51,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:00:51,939 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:51,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:00:51,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:51,940 INFO L87 Difference]: Start difference. First operand 511 states and 603 transitions. Second operand 5 states. [2019-11-07 01:00:52,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:52,000 INFO L93 Difference]: Finished difference Result 892 states and 1074 transitions. [2019-11-07 01:00:52,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:00:52,001 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-11-07 01:00:52,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:52,005 INFO L225 Difference]: With dead ends: 892 [2019-11-07 01:00:52,005 INFO L226 Difference]: Without dead ends: 521 [2019-11-07 01:00:52,007 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:52,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-11-07 01:00:52,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2019-11-07 01:00:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-11-07 01:00:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2019-11-07 01:00:52,040 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 89 [2019-11-07 01:00:52,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:52,040 INFO L462 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2019-11-07 01:00:52,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:00:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2019-11-07 01:00:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:00:52,043 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:52,043 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:52,043 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:52,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:52,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1358106852, now seen corresponding path program 1 times [2019-11-07 01:00:52,044 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:52,044 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732763992] [2019-11-07 01:00:52,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:52,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:52,136 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732763992] [2019-11-07 01:00:52,137 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:52,137 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:00:52,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372806463] [2019-11-07 01:00:52,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:00:52,138 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:52,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:00:52,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:52,139 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 9 states. [2019-11-07 01:00:52,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:52,216 INFO L93 Difference]: Finished difference Result 1012 states and 1214 transitions. [2019-11-07 01:00:52,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:00:52,219 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-11-07 01:00:52,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:52,224 INFO L225 Difference]: With dead ends: 1012 [2019-11-07 01:00:52,225 INFO L226 Difference]: Without dead ends: 521 [2019-11-07 01:00:52,227 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:52,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-11-07 01:00:52,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2019-11-07 01:00:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-11-07 01:00:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 604 transitions. [2019-11-07 01:00:52,270 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 604 transitions. Word has length 89 [2019-11-07 01:00:52,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:52,271 INFO L462 AbstractCegarLoop]: Abstraction has 515 states and 604 transitions. [2019-11-07 01:00:52,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2019-11-07 01:00:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-07 01:00:52,275 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:52,275 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:52,276 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:52,276 INFO L82 PathProgramCache]: Analyzing trace with hash -967187523, now seen corresponding path program 1 times [2019-11-07 01:00:52,277 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:52,277 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939397351] [2019-11-07 01:00:52,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:52,438 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939397351] [2019-11-07 01:00:52,440 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:52,440 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:00:52,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173101480] [2019-11-07 01:00:52,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:00:52,441 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:52,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:00:52,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:52,442 INFO L87 Difference]: Start difference. First operand 515 states and 604 transitions. Second operand 10 states. [2019-11-07 01:00:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:52,761 INFO L93 Difference]: Finished difference Result 1012 states and 1190 transitions. [2019-11-07 01:00:52,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 01:00:52,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2019-11-07 01:00:52,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:52,770 INFO L225 Difference]: With dead ends: 1012 [2019-11-07 01:00:52,770 INFO L226 Difference]: Without dead ends: 521 [2019-11-07 01:00:52,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:00:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-11-07 01:00:52,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 500. [2019-11-07 01:00:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-11-07 01:00:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 569 transitions. [2019-11-07 01:00:52,817 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 569 transitions. Word has length 90 [2019-11-07 01:00:52,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:52,818 INFO L462 AbstractCegarLoop]: Abstraction has 500 states and 569 transitions. [2019-11-07 01:00:52,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:00:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 569 transitions. [2019-11-07 01:00:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-07 01:00:52,823 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:52,823 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:52,824 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:52,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:52,824 INFO L82 PathProgramCache]: Analyzing trace with hash 890937388, now seen corresponding path program 1 times [2019-11-07 01:00:52,824 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:52,825 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909630003] [2019-11-07 01:00:52,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:00:52,966 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909630003] [2019-11-07 01:00:52,967 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877536555] [2019-11-07 01:00:52,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:53,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-07 01:00:53,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:00:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:53,405 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:00:53,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:00:53,814 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 01:00:53,814 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:00:53,815 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-11-07 01:00:53,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656832798] [2019-11-07 01:00:53,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:00:53,824 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:53,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:00:53,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-07 01:00:53,825 INFO L87 Difference]: Start difference. First operand 500 states and 569 transitions. Second operand 8 states. [2019-11-07 01:00:55,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:55,325 INFO L93 Difference]: Finished difference Result 1331 states and 1624 transitions. [2019-11-07 01:00:55,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 01:00:55,326 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2019-11-07 01:00:55,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:55,332 INFO L225 Difference]: With dead ends: 1331 [2019-11-07 01:00:55,333 INFO L226 Difference]: Without dead ends: 976 [2019-11-07 01:00:55,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 269 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-11-07 01:00:55,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2019-11-07 01:00:55,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 885. [2019-11-07 01:00:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2019-11-07 01:00:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1029 transitions. [2019-11-07 01:00:55,432 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1029 transitions. Word has length 140 [2019-11-07 01:00:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:55,433 INFO L462 AbstractCegarLoop]: Abstraction has 885 states and 1029 transitions. [2019-11-07 01:00:55,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:00:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1029 transitions. [2019-11-07 01:00:55,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-07 01:00:55,435 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:55,435 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:55,640 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:55,640 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:55,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:55,641 INFO L82 PathProgramCache]: Analyzing trace with hash 425159026, now seen corresponding path program 1 times [2019-11-07 01:00:55,641 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:55,642 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596208093] [2019-11-07 01:00:55,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:00:55,738 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596208093] [2019-11-07 01:00:55,738 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000137429] [2019-11-07 01:00:55,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:55,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-07 01:00:55,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:00:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 01:00:56,086 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:00:56,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:00:56,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:00:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 01:00:56,397 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:00:56,397 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-11-07 01:00:56,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922651244] [2019-11-07 01:00:56,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:00:56,398 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:56,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:00:56,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:00:56,399 INFO L87 Difference]: Start difference. First operand 885 states and 1029 transitions. Second operand 9 states. [2019-11-07 01:00:56,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:56,796 INFO L93 Difference]: Finished difference Result 1679 states and 2006 transitions. [2019-11-07 01:00:56,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:00:56,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2019-11-07 01:00:56,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:56,798 INFO L225 Difference]: With dead ends: 1679 [2019-11-07 01:00:56,798 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:00:56,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-11-07 01:00:56,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:00:56,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:00:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:00:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:00:56,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2019-11-07 01:00:56,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:56,804 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:00:56,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:00:56,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:00:57,010 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:57,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:00:57,827 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2019-11-07 01:00:58,303 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2019-11-07 01:00:58,672 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2019-11-07 01:00:58,808 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2019-11-07 01:00:59,252 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-11-07 01:00:59,414 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2019-11-07 01:00:59,819 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2019-11-07 01:01:00,009 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2019-11-07 01:01:00,240 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-11-07 01:01:00,894 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-11-07 01:01:01,245 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-11-07 01:01:01,597 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2019-11-07 01:01:01,616 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-11-07 01:01:01,617 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-11-07 01:01:01,617 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-07 01:01:01,617 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-11-07 01:01:01,617 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:01:01,617 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-11-07 01:01:01,617 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:01:01,617 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:01:01,617 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-11-07 01:01:01,618 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2019-11-07 01:01:01,619 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2019-11-07 01:01:01,619 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2019-11-07 01:01:01,619 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2019-11-07 01:01:01,619 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2019-11-07 01:01:01,619 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2019-11-07 01:01:01,619 INFO L443 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2019-11-07 01:01:01,619 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-11-07 01:01:01,619 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,619 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,620 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,620 INFO L439 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,620 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2019-11-07 01:01:01,620 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 631 653) no Hoare annotation was computed. [2019-11-07 01:01:01,620 INFO L439 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,620 INFO L439 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,620 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 586 609) no Hoare annotation was computed. [2019-11-07 01:01:01,620 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 586 609) no Hoare annotation was computed. [2019-11-07 01:01:01,620 INFO L443 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2019-11-07 01:01:01,620 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 586 609) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-07 01:01:01,621 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 882 890) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 959) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2019-11-07 01:01:01,622 INFO L446 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 946 964) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point L898-2(lines 898 906) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-11-07 01:01:01,622 INFO L443 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 891 926) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 918) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point L910-2(lines 910 918) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 891 926) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 891 926) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 906) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:01:01,623 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-11-07 01:01:01,624 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:01:01,624 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-11-07 01:01:01,624 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-11-07 01:01:01,624 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:01:01,624 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:01:01,624 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,624 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2019-11-07 01:01:01,625 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2019-11-07 01:01:01,625 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 871 881) no Hoare annotation was computed. [2019-11-07 01:01:01,625 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-11-07 01:01:01,625 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-11-07 01:01:01,625 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 871 881) no Hoare annotation was computed. [2019-11-07 01:01:01,625 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 871 881) no Hoare annotation was computed. [2019-11-07 01:01:01,625 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-11-07 01:01:01,625 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2019-11-07 01:01:01,626 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 863 870) no Hoare annotation was computed. [2019-11-07 01:01:01,626 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2019-11-07 01:01:01,626 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-11-07 01:01:01,626 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2019-11-07 01:01:01,626 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 529 542) no Hoare annotation was computed. [2019-11-07 01:01:01,626 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2019-11-07 01:01:01,626 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-11-07 01:01:01,627 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-11-07 01:01:01,627 INFO L443 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2019-11-07 01:01:01,627 INFO L439 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-11-07 01:01:01,627 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-11-07 01:01:01,627 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-11-07 01:01:01,627 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-11-07 01:01:01,628 INFO L443 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2019-11-07 01:01:01,628 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2019-11-07 01:01:01,628 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2019-11-07 01:01:01,628 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2019-11-07 01:01:01,628 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,628 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2019-11-07 01:01:01,628 INFO L439 ceAbstractionStarter]: At program point L758(lines 709 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-11-07 01:01:01,629 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2019-11-07 01:01:01,629 INFO L439 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-11-07 01:01:01,629 INFO L443 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2019-11-07 01:01:01,629 INFO L439 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-11-07 01:01:01,629 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2019-11-07 01:01:01,629 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-11-07 01:01:01,629 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-11-07 01:01:01,630 INFO L443 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2019-11-07 01:01:01,630 INFO L439 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-07 01:01:01,630 INFO L439 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-11-07 01:01:01,630 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2019-11-07 01:01:01,630 INFO L443 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2019-11-07 01:01:01,630 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-11-07 01:01:01,630 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2019-11-07 01:01:01,631 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:01:01,631 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:01:01,631 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:01:01,631 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-11-07 01:01:01,631 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-11-07 01:01:01,631 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-11-07 01:01:01,631 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 543 551) no Hoare annotation was computed. [2019-11-07 01:01:01,631 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2019-11-07 01:01:01,631 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point L505(lines 505 513) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-11-07 01:01:01,632 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-11-07 01:01:01,633 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-11-07 01:01:01,634 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-11-07 01:01:01,634 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-11-07 01:01:01,634 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-11-07 01:01:01,634 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 656 665) no Hoare annotation was computed. [2019-11-07 01:01:01,634 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 656 665) no Hoare annotation was computed. [2019-11-07 01:01:01,634 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 656 665) no Hoare annotation was computed. [2019-11-07 01:01:01,634 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:01,634 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 01:01:01,634 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:01,635 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 855 862) no Hoare annotation was computed. [2019-11-07 01:01:01,635 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2019-11-07 01:01:01,635 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 01:01:01,635 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2019-11-07 01:01:01,635 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2019-11-07 01:01:01,635 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2019-11-07 01:01:01,635 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2019-11-07 01:01:01,635 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2019-11-07 01:01:01,636 INFO L446 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2019-11-07 01:01:01,636 INFO L443 ceAbstractionStarter]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2019-11-07 01:01:01,636 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2019-11-07 01:01:01,636 INFO L443 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-11-07 01:01:01,636 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 927 945) no Hoare annotation was computed. [2019-11-07 01:01:01,636 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:01,636 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:01,636 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:01,637 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2019-11-07 01:01:01,637 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2019-11-07 01:01:01,637 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2019-11-07 01:01:01,637 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2019-11-07 01:01:01,637 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2019-11-07 01:01:01,637 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2019-11-07 01:01:01,637 INFO L439 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (and .cse4 (= ~pumpRunning~0 1)) .cse3 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4)))) [2019-11-07 01:01:01,638 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (< ~waterLevel~0 3)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0) .cse3) .cse4) (or .cse5 .cse1 (and .cse2 (= ~pumpRunning~0 1) .cse3)) (or .cse6 .cse0 .cse4 (<= ~waterLevel~0 1)) (or .cse6 .cse5 (< ~waterLevel~0 2))))) [2019-11-07 01:01:01,638 INFO L439 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (< ~waterLevel~0 2)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9 .cse10)) (.cse5 (and .cse4 .cse9 .cse10))) (and (or .cse0 .cse1 (<= 1 ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse3 (and (<= 2 ~waterLevel~0) (< ~waterLevel~0 3) .cse4) .cse1 .cse5 .cse6) (let ((.cse7 (<= ~waterLevel~0 1))) (or (and .cse7 .cse4) (and .cse7 .cse8) .cse0 .cse1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse5 .cse6)))) [2019-11-07 01:01:01,638 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2019-11-07 01:01:01,638 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (< ~waterLevel~0 2)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-11-07 01:01:01,638 INFO L443 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2019-11-07 01:01:01,639 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2019-11-07 01:01:01,639 INFO L443 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2019-11-07 01:01:01,639 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2019-11-07 01:01:01,639 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2019-11-07 01:01:01,639 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-11-07 01:01:01,639 INFO L446 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2019-11-07 01:01:01,639 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-07 01:01:01,639 INFO L446 ceAbstractionStarter]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2019-11-07 01:01:01,640 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-11-07 01:01:01,640 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-11-07 01:01:01,640 INFO L446 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2019-11-07 01:01:01,640 INFO L446 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2019-11-07 01:01:01,640 INFO L443 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2019-11-07 01:01:01,640 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2019-11-07 01:01:01,640 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2019-11-07 01:01:01,641 INFO L439 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (< ~waterLevel~0 3)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-11-07 01:01:01,641 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-07 01:01:01,641 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-11-07 01:01:01,641 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-11-07 01:01:01,641 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-11-07 01:01:01,641 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2019-11-07 01:01:01,641 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-11-07 01:01:01,641 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-11-07 01:01:01,642 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2019-11-07 01:01:01,642 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1)) (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse1) (or .cse0 .cse2 .cse1 (< ~waterLevel~0 3)))) [2019-11-07 01:01:01,642 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2019-11-07 01:01:01,642 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2019-11-07 01:01:01,642 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2019-11-07 01:01:01,642 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2019-11-07 01:01:01,642 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:01,643 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-11-07 01:01:01,643 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:01,643 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:01,643 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2019-11-07 01:01:01,643 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse1 (not (< ~waterLevel~0 3))) (.cse2 (= 1 ~systemActive~0)) (.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or (or (not (= 1 ~pumpRunning~0)) .cse0) .cse1 .cse2) (or (not (= 0 ~pumpRunning~0)) .cse1 .cse2 .cse0))) [2019-11-07 01:01:01,643 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 965 972) no Hoare annotation was computed. [2019-11-07 01:01:01,643 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-11-07 01:01:01,644 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2019-11-07 01:01:01,644 INFO L439 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-11-07 01:01:01,644 INFO L443 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2019-11-07 01:01:01,644 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (or (not (< ~waterLevel~0 2)) .cse0 .cse1)) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (< ~waterLevel~0 3)) (not (<= 2 ~waterLevel~0)) .cse1))) [2019-11-07 01:01:01,644 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (< ~waterLevel~0 2)) (not (< ~waterLevel~0 3)) (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse0) .cse1)) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2019-11-07 01:01:01,644 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2019-11-07 01:01:01,645 INFO L439 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-11-07 01:01:01,645 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-11-07 01:01:01,645 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2019-11-07 01:01:01,645 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2019-11-07 01:01:01,645 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1) (< ~waterLevel~0 2)) (or (not (< |old(~waterLevel~0)| 3)) .cse0 .cse1 (and (< ~waterLevel~0 3) .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse1 (and (<= ~waterLevel~0 1) .cse2)))) [2019-11-07 01:01:01,645 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2019-11-07 01:01:01,645 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 690 697) no Hoare annotation was computed. [2019-11-07 01:01:01,645 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2019-11-07 01:01:01,646 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2019-11-07 01:01:01,646 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2019-11-07 01:01:01,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:01 BoogieIcfgContainer [2019-11-07 01:01:01,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:01,662 INFO L168 Benchmark]: Toolchain (without parser) took 15029.48 ms. Allocated memory was 137.9 MB in the beginning and 434.1 MB in the end (delta: 296.2 MB). Free memory was 101.6 MB in the beginning and 331.7 MB in the end (delta: -230.1 MB). Peak memory consumption was 312.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:01,663 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 01:01:01,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.09 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.6 MB in the beginning and 169.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:01,664 INFO L168 Benchmark]: Boogie Preprocessor took 103.40 ms. Allocated memory is still 203.4 MB. Free memory was 169.4 MB in the beginning and 165.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:01,665 INFO L168 Benchmark]: RCFGBuilder took 1167.78 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.3 MB in the beginning and 193.6 MB in the end (delta: -28.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:01,666 INFO L168 Benchmark]: TraceAbstraction took 13016.12 ms. Allocated memory was 234.9 MB in the beginning and 434.1 MB in the end (delta: 199.2 MB). Free memory was 193.6 MB in the beginning and 331.7 MB in the end (delta: -138.1 MB). Peak memory consumption was 307.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:01,669 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.09 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.6 MB in the beginning and 169.4 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.40 ms. Allocated memory is still 203.4 MB. Free memory was 169.4 MB in the beginning and 165.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1167.78 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.3 MB in the beginning and 193.6 MB in the end (delta: -28.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13016.12 ms. Allocated memory was 234.9 MB in the beginning and 434.1 MB in the end (delta: 199.2 MB). Free memory was 193.6 MB in the beginning and 331.7 MB in the end (delta: -138.1 MB). Peak memory consumption was 307.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1) || !(0 == \old(pumpRunning))) || (((1 == systemActive && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 12.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, HoareTripleCheckerStatistics: 1855 SDtfs, 1731 SDslu, 5173 SDs, 0 SdLazy, 1875 SolverSat, 662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 664 GetRequests, 565 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=885occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1664 PreInvPairs, 1785 NumberOfFragments, 1386 HoareAnnotationTreeSize, 1664 FomulaSimplifications, 3095 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 13982 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1228 NumberOfCodeBlocks, 1228 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1489 ConstructedInterpolants, 0 QuantifiedInterpolants, 281412 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1733 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 140/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...