/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:38:41,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:38:41,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:38:41,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:38:41,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:38:41,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:38:41,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:38:41,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:38:41,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:38:41,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:38:41,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:38:41,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:38:41,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:38:41,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:38:41,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:38:41,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:38:41,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:38:41,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:38:41,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:38:41,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:38:41,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:38:41,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:38:41,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:38:41,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:38:41,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:38:41,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:38:41,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:38:41,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:38:41,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:38:41,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:38:41,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:38:41,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:38:41,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:38:41,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:38:41,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:38:41,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:38:41,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:38:41,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:38:41,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:38:41,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:38:41,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:38:41,283 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 [2020-07-21 10:38:41,297 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:38:41,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:38:41,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:38:41,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:38:41,299 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:38:41,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:38:41,299 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:38:41,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:38:41,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:38:41,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:38:41,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:38:41,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:38:41,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:38:41,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:38:41,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:38:41,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:38:41,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:38:41,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:38:41,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:38:41,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:38:41,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:38:41,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:41,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:38:41,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:38:41,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:38:41,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:38:41,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:41,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:38:41,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:38:41,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:38:41,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:38:41,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:38:41,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:38:41,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:38:41,601 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:38:41,602 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-21 10:38:41,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97df16951/f8cfeff315934df1b4271399eaa5208b/FLAGa15113663 [2020-07-21 10:38:42,247 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:38:42,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-21 10:38:42,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97df16951/f8cfeff315934df1b4271399eaa5208b/FLAGa15113663 [2020-07-21 10:38:42,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97df16951/f8cfeff315934df1b4271399eaa5208b [2020-07-21 10:38:42,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:38:42,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:38:42,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:42,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:38:42,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:38:42,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:42" (1/1) ... [2020-07-21 10:38:42,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33761369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:42, skipping insertion in model container [2020-07-21 10:38:42,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:42" (1/1) ... [2020-07-21 10:38:42,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:38:42,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:38:42,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:42,981 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:38:43,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:43,213 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:38:43,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43 WrapperNode [2020-07-21 10:38:43,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:43,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:38:43,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:38:43,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:38:43,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (1/1) ... [2020-07-21 10:38:43,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (1/1) ... [2020-07-21 10:38:43,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (1/1) ... [2020-07-21 10:38:43,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (1/1) ... [2020-07-21 10:38:43,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (1/1) ... [2020-07-21 10:38:43,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (1/1) ... [2020-07-21 10:38:43,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (1/1) ... [2020-07-21 10:38:43,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:38:43,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:38:43,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:38:43,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:38:43,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (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 [2020-07-21 10:38:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:38:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:38:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:38:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:38:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:38:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:38:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:38:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:38:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:38:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:38:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:38:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:38:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:38:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:38:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:38:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:38:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:38:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:38:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:38:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:38:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:38:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:38:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:38:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:38:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:38:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:38:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:38:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:38:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:38:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:38:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:38:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:38:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:38:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:38:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:38:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:38:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:38:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:38:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:38:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:38:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:38:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:38:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:38:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:38:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:38:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:38:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:38:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:38:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:38:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:38:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:38:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:38:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:38:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:38:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:38:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:38:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:38:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:38:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:38:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:38:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:38:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:38:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:38:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:38:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:38:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:38:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:38:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:38:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:38:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:38:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:38:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:38:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:38:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:38:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:38:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:38:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:38:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:38:43,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:38:44,514 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:38:44,515 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:38:44,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:44 BoogieIcfgContainer [2020-07-21 10:38:44,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:38:44,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:38:44,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:38:44,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:38:44,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:38:42" (1/3) ... [2020-07-21 10:38:44,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bc9fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:44, skipping insertion in model container [2020-07-21 10:38:44,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:43" (2/3) ... [2020-07-21 10:38:44,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bc9fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:44, skipping insertion in model container [2020-07-21 10:38:44,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:44" (3/3) ... [2020-07-21 10:38:44,534 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-07-21 10:38:44,545 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:38:44,556 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:38:44,573 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:38:44,604 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:38:44,604 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:38:44,604 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:38:44,605 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:38:44,605 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:38:44,606 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:38:44,606 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:38:44,606 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:38:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-07-21 10:38:44,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:38:44,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:44,648 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:44,648 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:44,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:44,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2020-07-21 10:38:44,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:44,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261010975] [2020-07-21 10:38:44,665 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:44,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:38:44,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:38:44,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:44,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261010975] [2020-07-21 10:38:44,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:44,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:38:44,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940020050] [2020-07-21 10:38:44,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:38:44,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:44,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:38:44,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:44,998 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2020-07-21 10:38:45,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:45,044 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2020-07-21 10:38:45,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:38:45,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:38:45,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:45,059 INFO L225 Difference]: With dead ends: 282 [2020-07-21 10:38:45,059 INFO L226 Difference]: Without dead ends: 143 [2020-07-21 10:38:45,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:45,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-21 10:38:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-21 10:38:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-21 10:38:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2020-07-21 10:38:45,119 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2020-07-21 10:38:45,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:45,120 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2020-07-21 10:38:45,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:38:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2020-07-21 10:38:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:38:45,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:45,125 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:45,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:45,335 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:45,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:45,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2020-07-21 10:38:45,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:45,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960143800] [2020-07-21 10:38:45,337 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:45,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:38:45,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:38:45,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:45,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960143800] [2020-07-21 10:38:45,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:45,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:45,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456569642] [2020-07-21 10:38:45,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:45,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:45,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:45,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:45,644 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2020-07-21 10:38:45,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:45,669 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2020-07-21 10:38:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:45,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:38:45,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:45,673 INFO L225 Difference]: With dead ends: 218 [2020-07-21 10:38:45,673 INFO L226 Difference]: Without dead ends: 134 [2020-07-21 10:38:45,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:45,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-21 10:38:45,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-21 10:38:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-21 10:38:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-07-21 10:38:45,690 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2020-07-21 10:38:45,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:45,691 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-07-21 10:38:45,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-07-21 10:38:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:38:45,693 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:45,693 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:45,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:45,909 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:45,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:45,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2020-07-21 10:38:45,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:45,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798235061] [2020-07-21 10:38:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:46,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:38:46,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:46,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:46,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798235061] [2020-07-21 10:38:46,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:46,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:46,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816847099] [2020-07-21 10:38:46,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:46,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:46,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:46,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:46,152 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 3 states. [2020-07-21 10:38:46,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:46,192 INFO L93 Difference]: Finished difference Result 342 states and 402 transitions. [2020-07-21 10:38:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:46,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 10:38:46,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:46,196 INFO L225 Difference]: With dead ends: 342 [2020-07-21 10:38:46,197 INFO L226 Difference]: Without dead ends: 236 [2020-07-21 10:38:46,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:46,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-07-21 10:38:46,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2020-07-21 10:38:46,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-21 10:38:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 261 transitions. [2020-07-21 10:38:46,231 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 261 transitions. Word has length 65 [2020-07-21 10:38:46,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:46,232 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 261 transitions. [2020-07-21 10:38:46,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 261 transitions. [2020-07-21 10:38:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:38:46,235 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:46,235 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:46,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:46,449 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:46,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:46,450 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2020-07-21 10:38:46,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:46,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226966654] [2020-07-21 10:38:46,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:46,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:38:46,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:46,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:46,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226966654] [2020-07-21 10:38:46,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:46,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:46,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084985692] [2020-07-21 10:38:46,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:46,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:46,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:46,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:46,683 INFO L87 Difference]: Start difference. First operand 224 states and 261 transitions. Second operand 6 states. [2020-07-21 10:38:46,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:46,995 INFO L93 Difference]: Finished difference Result 538 states and 652 transitions. [2020-07-21 10:38:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:38:46,996 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 10:38:46,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:47,000 INFO L225 Difference]: With dead ends: 538 [2020-07-21 10:38:47,001 INFO L226 Difference]: Without dead ends: 342 [2020-07-21 10:38:47,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:38:47,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-07-21 10:38:47,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 334. [2020-07-21 10:38:47,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-07-21 10:38:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 395 transitions. [2020-07-21 10:38:47,056 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 395 transitions. Word has length 70 [2020-07-21 10:38:47,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:47,057 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 395 transitions. [2020-07-21 10:38:47,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 395 transitions. [2020-07-21 10:38:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-21 10:38:47,067 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:47,067 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:47,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:47,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:47,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:47,284 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2020-07-21 10:38:47,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:47,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760188729] [2020-07-21 10:38:47,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:47,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:38:47,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:47,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:47,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760188729] [2020-07-21 10:38:47,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:47,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:47,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162217828] [2020-07-21 10:38:47,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:47,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:47,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:47,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:47,520 INFO L87 Difference]: Start difference. First operand 334 states and 395 transitions. Second operand 3 states. [2020-07-21 10:38:47,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:47,565 INFO L93 Difference]: Finished difference Result 938 states and 1175 transitions. [2020-07-21 10:38:47,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:47,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-21 10:38:47,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:47,571 INFO L225 Difference]: With dead ends: 938 [2020-07-21 10:38:47,571 INFO L226 Difference]: Without dead ends: 632 [2020-07-21 10:38:47,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:47,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-07-21 10:38:47,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 629. [2020-07-21 10:38:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-07-21 10:38:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 772 transitions. [2020-07-21 10:38:47,616 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 772 transitions. Word has length 103 [2020-07-21 10:38:47,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:47,616 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 772 transitions. [2020-07-21 10:38:47,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 772 transitions. [2020-07-21 10:38:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 10:38:47,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:47,620 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:47,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:47,834 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:47,834 INFO L82 PathProgramCache]: Analyzing trace with hash -516002841, now seen corresponding path program 1 times [2020-07-21 10:38:47,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:47,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158111503] [2020-07-21 10:38:47,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:48,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 10:38:48,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:48,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:48,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158111503] [2020-07-21 10:38:48,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:48,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:48,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473159170] [2020-07-21 10:38:48,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:48,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:48,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:48,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:48,087 INFO L87 Difference]: Start difference. First operand 629 states and 772 transitions. Second operand 6 states. [2020-07-21 10:38:49,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:49,262 INFO L93 Difference]: Finished difference Result 2058 states and 2717 transitions. [2020-07-21 10:38:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:38:49,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-07-21 10:38:49,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:49,276 INFO L225 Difference]: With dead ends: 2058 [2020-07-21 10:38:49,276 INFO L226 Difference]: Without dead ends: 1457 [2020-07-21 10:38:49,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:38:49,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2020-07-21 10:38:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1347. [2020-07-21 10:38:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-07-21 10:38:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1717 transitions. [2020-07-21 10:38:49,389 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1717 transitions. Word has length 107 [2020-07-21 10:38:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:49,390 INFO L479 AbstractCegarLoop]: Abstraction has 1347 states and 1717 transitions. [2020-07-21 10:38:49,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1717 transitions. [2020-07-21 10:38:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-21 10:38:49,395 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:49,395 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:49,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:49,609 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:49,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:49,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2020-07-21 10:38:49,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:49,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089708614] [2020-07-21 10:38:49,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:49,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:38:49,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:49,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:49,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089708614] [2020-07-21 10:38:49,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:49,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:49,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965029867] [2020-07-21 10:38:49,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:49,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:49,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:49,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:49,835 INFO L87 Difference]: Start difference. First operand 1347 states and 1717 transitions. Second operand 6 states. [2020-07-21 10:38:49,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:49,925 INFO L93 Difference]: Finished difference Result 2708 states and 3622 transitions. [2020-07-21 10:38:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:38:49,926 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-07-21 10:38:49,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:49,936 INFO L225 Difference]: With dead ends: 2708 [2020-07-21 10:38:49,937 INFO L226 Difference]: Without dead ends: 1389 [2020-07-21 10:38:49,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:38:49,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2020-07-21 10:38:50,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1377. [2020-07-21 10:38:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-07-21 10:38:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1755 transitions. [2020-07-21 10:38:50,041 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1755 transitions. Word has length 103 [2020-07-21 10:38:50,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:50,042 INFO L479 AbstractCegarLoop]: Abstraction has 1377 states and 1755 transitions. [2020-07-21 10:38:50,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1755 transitions. [2020-07-21 10:38:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-21 10:38:50,047 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:50,047 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:50,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:50,263 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:50,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:50,264 INFO L82 PathProgramCache]: Analyzing trace with hash 513843263, now seen corresponding path program 1 times [2020-07-21 10:38:50,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:50,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598024550] [2020-07-21 10:38:50,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:50,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:38:50,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:50,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:50,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598024550] [2020-07-21 10:38:50,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:50,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:38:50,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708193151] [2020-07-21 10:38:50,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:38:50,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:50,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:38:50,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:38:50,494 INFO L87 Difference]: Start difference. First operand 1377 states and 1755 transitions. Second operand 5 states. [2020-07-21 10:38:50,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:50,561 INFO L93 Difference]: Finished difference Result 2516 states and 3286 transitions. [2020-07-21 10:38:50,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:38:50,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-07-21 10:38:50,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:50,570 INFO L225 Difference]: With dead ends: 2516 [2020-07-21 10:38:50,570 INFO L226 Difference]: Without dead ends: 1167 [2020-07-21 10:38:50,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:38:50,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-07-21 10:38:50,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1167. [2020-07-21 10:38:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2020-07-21 10:38:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1471 transitions. [2020-07-21 10:38:50,638 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1471 transitions. Word has length 103 [2020-07-21 10:38:50,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:50,639 INFO L479 AbstractCegarLoop]: Abstraction has 1167 states and 1471 transitions. [2020-07-21 10:38:50,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:38:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1471 transitions. [2020-07-21 10:38:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 10:38:50,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:50,641 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:50,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:50,857 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:50,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:50,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2020-07-21 10:38:50,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:50,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035816863] [2020-07-21 10:38:50,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:51,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:38:51,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:51,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:51,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:51,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035816863] [2020-07-21 10:38:51,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:51,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:38:51,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356719227] [2020-07-21 10:38:51,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:38:51,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:51,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:38:51,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:38:51,136 INFO L87 Difference]: Start difference. First operand 1167 states and 1471 transitions. Second operand 10 states. [2020-07-21 10:38:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:52,658 INFO L93 Difference]: Finished difference Result 3021 states and 4234 transitions. [2020-07-21 10:38:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:38:52,659 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-07-21 10:38:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:52,673 INFO L225 Difference]: With dead ends: 3021 [2020-07-21 10:38:52,673 INFO L226 Difference]: Without dead ends: 1882 [2020-07-21 10:38:52,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 10:38:52,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2020-07-21 10:38:52,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1309. [2020-07-21 10:38:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1309 states. [2020-07-21 10:38:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1603 transitions. [2020-07-21 10:38:52,788 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1603 transitions. Word has length 107 [2020-07-21 10:38:52,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:52,790 INFO L479 AbstractCegarLoop]: Abstraction has 1309 states and 1603 transitions. [2020-07-21 10:38:52,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:38:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1603 transitions. [2020-07-21 10:38:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-07-21 10:38:52,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:52,794 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:53,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:53,010 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:53,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:53,011 INFO L82 PathProgramCache]: Analyzing trace with hash 897515431, now seen corresponding path program 1 times [2020-07-21 10:38:53,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:53,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251495855] [2020-07-21 10:38:53,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:53,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:38:53,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-21 10:38:53,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:53,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [251495855] [2020-07-21 10:38:53,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:53,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:53,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868317266] [2020-07-21 10:38:53,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:53,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:53,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:53,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:53,267 INFO L87 Difference]: Start difference. First operand 1309 states and 1603 transitions. Second operand 3 states. [2020-07-21 10:38:53,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:53,364 INFO L93 Difference]: Finished difference Result 2257 states and 2758 transitions. [2020-07-21 10:38:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:53,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-07-21 10:38:53,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:53,374 INFO L225 Difference]: With dead ends: 2257 [2020-07-21 10:38:53,374 INFO L226 Difference]: Without dead ends: 976 [2020-07-21 10:38:53,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:53,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-07-21 10:38:53,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 951. [2020-07-21 10:38:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2020-07-21 10:38:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1131 transitions. [2020-07-21 10:38:53,432 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1131 transitions. Word has length 184 [2020-07-21 10:38:53,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:53,432 INFO L479 AbstractCegarLoop]: Abstraction has 951 states and 1131 transitions. [2020-07-21 10:38:53,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1131 transitions. [2020-07-21 10:38:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-21 10:38:53,435 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:53,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:53,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:53,650 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:53,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:53,650 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2020-07-21 10:38:53,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:53,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381428422] [2020-07-21 10:38:53,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:53,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:38:53,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:53,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:38:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 10:38:54,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381428422] [2020-07-21 10:38:54,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:38:54,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:38:54,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058667043] [2020-07-21 10:38:54,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:38:54,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:54,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:38:54,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:38:54,326 INFO L87 Difference]: Start difference. First operand 951 states and 1131 transitions. Second operand 10 states. [2020-07-21 10:38:55,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:55,182 INFO L93 Difference]: Finished difference Result 1983 states and 2376 transitions. [2020-07-21 10:38:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:38:55,183 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2020-07-21 10:38:55,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:55,184 INFO L225 Difference]: With dead ends: 1983 [2020-07-21 10:38:55,184 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:38:55,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 10:38:55,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:38:55,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:38:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:38:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:38:55,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-07-21 10:38:55,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:55,195 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:38:55,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:38:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:38:55,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:38:55,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:55,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:38:55,747 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2020-07-21 10:38:57,526 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-07-21 10:38:57,860 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-07-21 10:38:58,105 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2020-07-21 10:38:58,434 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2020-07-21 10:38:58,985 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-07-21 10:38:59,230 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-07-21 10:38:59,506 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-07-21 10:38:59,707 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-07-21 10:38:59,891 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-21 10:39:00,102 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-07-21 10:39:00,248 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-07-21 10:39:00,479 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-21 10:39:00,629 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-21 10:39:00,850 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-07-21 10:39:01,535 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2020-07-21 10:39:01,757 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-21 10:39:02,030 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2020-07-21 10:39:02,230 INFO L268 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-07-21 10:39:02,230 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2020-07-21 10:39:02,230 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 10:39:02,231 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 239) no Hoare annotation was computed. [2020-07-21 10:39:02,231 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 193 248) no Hoare annotation was computed. [2020-07-21 10:39:02,231 INFO L268 CegarLoopResult]: For program point L240(lines 217 241) no Hoare annotation was computed. [2020-07-21 10:39:02,231 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 193 248) no Hoare annotation was computed. [2020-07-21 10:39:02,231 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 193 248) no Hoare annotation was computed. [2020-07-21 10:39:02,231 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-21 10:39:02,231 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 285) no Hoare annotation was computed. [2020-07-21 10:39:02,232 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 249 308) no Hoare annotation was computed. [2020-07-21 10:39:02,232 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-21 10:39:02,232 INFO L268 CegarLoopResult]: For program point L275-2(lines 275 300) no Hoare annotation was computed. [2020-07-21 10:39:02,232 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 249 308) no Hoare annotation was computed. [2020-07-21 10:39:02,232 INFO L268 CegarLoopResult]: For program point L301(lines 274 302) no Hoare annotation was computed. [2020-07-21 10:39:02,232 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 249 308) no Hoare annotation was computed. [2020-07-21 10:39:02,233 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-07-21 10:39:02,233 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-21 10:39:02,233 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2020-07-21 10:39:02,233 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2020-07-21 10:39:02,233 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2020-07-21 10:39:02,233 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2020-07-21 10:39:02,233 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2020-07-21 10:39:02,234 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: true [2020-07-21 10:39:02,234 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2020-07-21 10:39:02,234 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2020-07-21 10:39:02,234 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (not (= 0 ~systemActive~0)) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:02,234 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-21 10:39:02,234 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2020-07-21 10:39:02,234 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2020-07-21 10:39:02,235 INFO L264 CegarLoopResult]: At program point L961(line 961) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 10:39:02,235 INFO L268 CegarLoopResult]: For program point L959(lines 959 965) no Hoare annotation was computed. [2020-07-21 10:39:02,235 INFO L268 CegarLoopResult]: For program point L958(lines 958 968) no Hoare annotation was computed. [2020-07-21 10:39:02,235 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:02,235 INFO L268 CegarLoopResult]: For program point L956-1(line 956) no Hoare annotation was computed. [2020-07-21 10:39:02,235 INFO L268 CegarLoopResult]: For program point L954(lines 954 971) no Hoare annotation was computed. [2020-07-21 10:39:02,236 INFO L268 CegarLoopResult]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2020-07-21 10:39:02,236 INFO L271 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: true [2020-07-21 10:39:02,236 INFO L268 CegarLoopResult]: For program point L952-1(line 952) no Hoare annotation was computed. [2020-07-21 10:39:02,236 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2020-07-21 10:39:02,236 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2020-07-21 10:39:02,236 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,237 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2020-07-21 10:39:02,237 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2020-07-21 10:39:02,237 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,237 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,237 INFO L268 CegarLoopResult]: For program point L904(lines 904 911) no Hoare annotation was computed. [2020-07-21 10:39:02,237 INFO L268 CegarLoopResult]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2020-07-21 10:39:02,237 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-21 10:39:02,238 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,238 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,238 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,238 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-21 10:39:02,238 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-21 10:39:02,238 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2020-07-21 10:39:02,239 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-21 10:39:02,239 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-21 10:39:02,239 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-21 10:39:02,239 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2020-07-21 10:39:02,239 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-21 10:39:02,239 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2020-07-21 10:39:02,239 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-21 10:39:02,239 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-21 10:39:02,240 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-21 10:39:02,240 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-21 10:39:02,240 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-07-21 10:39:02,240 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-21 10:39:02,240 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-21 10:39:02,240 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-21 10:39:02,240 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2020-07-21 10:39:02,241 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 10:39:02,241 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 (= 0 ~pumpRunning~0)) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (or .cse3 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-21 10:39:02,241 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2020-07-21 10:39:02,241 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-07-21 10:39:02,241 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2020-07-21 10:39:02,241 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2020-07-21 10:39:02,241 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2020-07-21 10:39:02,242 INFO L268 CegarLoopResult]: For program point L640(lines 640 648) no Hoare annotation was computed. [2020-07-21 10:39:02,242 INFO L268 CegarLoopResult]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2020-07-21 10:39:02,242 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-07-21 10:39:02,242 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-07-21 10:39:02,242 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2020-07-21 10:39:02,242 INFO L268 CegarLoopResult]: For program point L652(lines 652 660) no Hoare annotation was computed. [2020-07-21 10:39:02,242 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2020-07-21 10:39:02,242 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2020-07-21 10:39:02,243 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2020-07-21 10:39:02,243 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2020-07-21 10:39:02,243 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2020-07-21 10:39:02,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 147 192) no Hoare annotation was computed. [2020-07-21 10:39:02,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 147 192) no Hoare annotation was computed. [2020-07-21 10:39:02,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 147 192) no Hoare annotation was computed. [2020-07-21 10:39:02,243 INFO L268 CegarLoopResult]: For program point L480(lines 480 487) no Hoare annotation was computed. [2020-07-21 10:39:02,243 INFO L268 CegarLoopResult]: For program point L474(lines 474 494) no Hoare annotation was computed. [2020-07-21 10:39:02,243 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 460 505) no Hoare annotation was computed. [2020-07-21 10:39:02,244 INFO L268 CegarLoopResult]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2020-07-21 10:39:02,244 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 460 505) no Hoare annotation was computed. [2020-07-21 10:39:02,244 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 460 505) no Hoare annotation was computed. [2020-07-21 10:39:02,244 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,244 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2020-07-21 10:39:02,244 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,244 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2020-07-21 10:39:02,245 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2020-07-21 10:39:02,245 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2020-07-21 10:39:02,245 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-07-21 10:39:02,245 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-07-21 10:39:02,245 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2020-07-21 10:39:02,245 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 10:39:02,245 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2020-07-21 10:39:02,245 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2020-07-21 10:39:02,246 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-21 10:39:02,246 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-21 10:39:02,246 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-21 10:39:02,246 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-21 10:39:02,246 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:02,246 INFO L268 CegarLoopResult]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2020-07-21 10:39:02,247 INFO L264 CegarLoopResult]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 processEnvironment_~tmp~3) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:02,247 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2020-07-21 10:39:02,247 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:02,247 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:02,247 INFO L268 CegarLoopResult]: For program point L562(lines 562 570) no Hoare annotation was computed. [2020-07-21 10:39:02,247 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:02,248 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-07-21 10:39:02,248 INFO L268 CegarLoopResult]: For program point L558(lines 558 575) no Hoare annotation was computed. [2020-07-21 10:39:02,248 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2020-07-21 10:39:02,248 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2020-07-21 10:39:02,248 INFO L264 CegarLoopResult]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,248 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:02,249 INFO L268 CegarLoopResult]: For program point L733(lines 733 739) no Hoare annotation was computed. [2020-07-21 10:39:02,249 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2020-07-21 10:39:02,249 INFO L268 CegarLoopResult]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2020-07-21 10:39:02,249 INFO L268 CegarLoopResult]: For program point L725(lines 725 729) no Hoare annotation was computed. [2020-07-21 10:39:02,249 INFO L264 CegarLoopResult]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:02,249 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:02,249 INFO L268 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-07-21 10:39:02,250 INFO L264 CegarLoopResult]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:02,250 INFO L268 CegarLoopResult]: For program point L724(lines 723 772) no Hoare annotation was computed. [2020-07-21 10:39:02,250 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:02,250 INFO L268 CegarLoopResult]: For program point L753(lines 753 768) no Hoare annotation was computed. [2020-07-21 10:39:02,250 INFO L264 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:02,250 INFO L268 CegarLoopResult]: For program point L743(lines 743 749) no Hoare annotation was computed. [2020-07-21 10:39:02,251 INFO L268 CegarLoopResult]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2020-07-21 10:39:02,251 INFO L268 CegarLoopResult]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2020-07-21 10:39:02,251 INFO L264 CegarLoopResult]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:02,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 414 459) no Hoare annotation was computed. [2020-07-21 10:39:02,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 414 459) no Hoare annotation was computed. [2020-07-21 10:39:02,251 INFO L268 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2020-07-21 10:39:02,251 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 414 459) no Hoare annotation was computed. [2020-07-21 10:39:02,252 INFO L268 CegarLoopResult]: For program point L428(lines 428 448) no Hoare annotation was computed. [2020-07-21 10:39:02,252 INFO L268 CegarLoopResult]: For program point L428-1(lines 428 448) no Hoare annotation was computed. [2020-07-21 10:39:02,252 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:02,252 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2020-07-21 10:39:02,252 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2020-07-21 10:39:02,252 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:39:02,252 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 10:39:02,252 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 311 413) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-07-21 10:39:02,253 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 380) no Hoare annotation was computed. [2020-07-21 10:39:02,254 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 311 413) no Hoare annotation was computed. [2020-07-21 10:39:02,254 INFO L268 CegarLoopResult]: For program point L381(lines 359 382) no Hoare annotation was computed. [2020-07-21 10:39:02,254 INFO L268 CegarLoopResult]: For program point L340(lines 340 356) no Hoare annotation was computed. [2020-07-21 10:39:02,254 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 311 413) no Hoare annotation was computed. [2020-07-21 10:39:02,254 INFO L268 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-07-21 10:39:02,254 INFO L268 CegarLoopResult]: For program point L361(lines 360 380) no Hoare annotation was computed. [2020-07-21 10:39:02,254 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 10:39:02,255 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-07-21 10:39:02,255 INFO L268 CegarLoopResult]: For program point L357(lines 357 398) no Hoare annotation was computed. [2020-07-21 10:39:02,255 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 786 795) no Hoare annotation was computed. [2020-07-21 10:39:02,255 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 786 795) no Hoare annotation was computed. [2020-07-21 10:39:02,255 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 786 795) no Hoare annotation was computed. [2020-07-21 10:39:02,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:02,255 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 10:39:02,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:02,255 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:02,256 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-21 10:39:02,256 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2020-07-21 10:39:02,256 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:02,256 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:02,256 INFO L268 CegarLoopResult]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2020-07-21 10:39:02,256 INFO L268 CegarLoopResult]: For program point L595(lines 595 601) no Hoare annotation was computed. [2020-07-21 10:39:02,256 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-21 10:39:02,256 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:39:02,256 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:39:02,257 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2020-07-21 10:39:02,257 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-21 10:39:02,257 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2020-07-21 10:39:02,257 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2020-07-21 10:39:02,257 INFO L271 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: true [2020-07-21 10:39:02,257 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2020-07-21 10:39:02,257 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-21 10:39:02,257 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 10:39:02,258 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-21 10:39:02,258 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 10:39:02,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:02,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:02,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:02,258 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 10:39:02,258 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 10:39:02,258 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 10:39:02,259 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse2 (and .cse5 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse6) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:02,259 INFO L264 CegarLoopResult]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (and .cse9 .cse0 .cse1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse6 .cse7 (and .cse8 .cse9 .cse10)) (or .cse5 .cse11 .cse2 .cse3) (let ((.cse12 (<= 2 ~waterLevel~0))) (or .cse6 (and .cse12 .cse9 .cse0) .cse3 (and .cse12 .cse9 .cse10) .cse4 .cse13)) (or .cse5 .cse6 .cse11 .cse3) (or .cse6 .cse7 (and .cse8 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse10) .cse4 .cse13)))) [2020-07-21 10:39:02,259 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-21 10:39:02,259 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse10 (not (= 0 ~systemActive~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse8 .cse12 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 (and .cse0 .cse12 .cse2) .cse11 .cse5) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse10 .cse11 (<= 1 ~switchedOnBeforeTS~0) .cse5) (or .cse7 .cse3 .cse9 .cse11) (or .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse5)))) [2020-07-21 10:39:02,259 INFO L268 CegarLoopResult]: For program point L526(lines 522 544) no Hoare annotation was computed. [2020-07-21 10:39:02,260 INFO L268 CegarLoopResult]: For program point L524(lines 522 544) no Hoare annotation was computed. [2020-07-21 10:39:02,260 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2020-07-21 10:39:02,260 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2020-07-21 10:39:02,260 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-21 10:39:02,260 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2020-07-21 10:39:02,260 INFO L271 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2020-07-21 10:39:02,260 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2020-07-21 10:39:02,260 INFO L271 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: true [2020-07-21 10:39:02,261 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-07-21 10:39:02,261 INFO L271 CegarLoopResult]: At program point L846(lines 821 850) the Hoare annotation is: true [2020-07-21 10:39:02,261 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-21 10:39:02,261 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-21 10:39:02,261 INFO L271 CegarLoopResult]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2020-07-21 10:39:02,261 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 10:39:02,261 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 10:39:02,261 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 10:39:02,261 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2020-07-21 10:39:02,262 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2020-07-21 10:39:02,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:02,262 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:39:02,262 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:02,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:02,262 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2020-07-21 10:39:02,262 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:39:02,262 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2020-07-21 10:39:02,262 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 10:39:02,263 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 10:39:02,263 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-21 10:39:02,263 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-21 10:39:02,263 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-21 10:39:02,263 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-21 10:39:02,263 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-21 10:39:02,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:02 BoogieIcfgContainer [2020-07-21 10:39:02,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:02,290 INFO L168 Benchmark]: Toolchain (without parser) took 19751.59 ms. Allocated memory was 143.7 MB in the beginning and 495.5 MB in the end (delta: 351.8 MB). Free memory was 100.3 MB in the beginning and 423.6 MB in the end (delta: -323.2 MB). Peak memory consumption was 370.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:02,291 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:39:02,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.17 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 99.9 MB in the beginning and 172.0 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:02,292 INFO L168 Benchmark]: Boogie Preprocessor took 115.87 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:02,293 INFO L168 Benchmark]: RCFGBuilder took 1192.26 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 167.7 MB in the beginning and 197.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:02,294 INFO L168 Benchmark]: TraceAbstraction took 17762.38 ms. Allocated memory was 232.3 MB in the beginning and 495.5 MB in the end (delta: 263.2 MB). Free memory was 195.8 MB in the beginning and 423.6 MB in the end (delta: -227.8 MB). Peak memory consumption was 377.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:02,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.17 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 99.9 MB in the beginning and 172.0 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.87 ms. Allocated memory is still 202.4 MB. Free memory was 172.0 MB in the beginning and 167.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1192.26 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 167.7 MB in the beginning and 197.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17762.38 ms. Allocated memory was 232.3 MB in the beginning and 495.5 MB in the end (delta: 263.2 MB). Free memory was 195.8 MB in the beginning and 423.6 MB in the end (delta: -227.8 MB). Peak memory consumption was 377.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2065 SDtfs, 1385 SDslu, 3506 SDs, 0 SdLazy, 2490 SolverSat, 585 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1278 GetRequests, 1211 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1377occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 743 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3302 PreInvPairs, 3451 NumberOfFragments, 1966 HoareAnnotationTreeSize, 3302 FomulaSimplifications, 7736 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 13461 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1112 NumberOfCodeBlocks, 1112 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1251 ConstructedInterpolants, 0 QuantifiedInterpolants, 274551 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8866 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 188/206 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...