/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:44:15,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:44:15,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:44:15,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:44:15,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:44:15,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:44:15,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:44:15,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:44:15,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:44:15,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:44:15,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:44:15,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:44:15,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:44:15,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:44:15,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:44:15,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:44:15,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:44:15,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:44:15,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:44:15,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:44:15,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:44:15,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:44:15,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:44:15,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:44:15,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:44:15,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:44:15,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:44:15,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:44:15,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:44:15,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:44:15,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:44:15,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:44:15,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:44:15,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:44:15,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:44:15,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:44:15,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:44:15,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:44:15,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:44:15,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:44:15,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:44:15,318 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 [2020-07-07 10:44:15,340 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:44:15,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:44:15,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:44:15,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:44:15,343 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:44:15,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:44:15,343 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:44:15,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:44:15,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:44:15,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:44:15,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:44:15,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:44:15,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:44:15,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:44:15,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:44:15,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:44:15,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:44:15,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:44:15,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:44:15,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:44:15,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:44:15,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:44:15,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:44:15,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:44:15,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:44:15,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:44:15,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:44:15,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:44:15,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:44:15,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:44:15,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:44:15,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:44:15,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:44:15,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:44:15,631 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:44:15,632 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-07-07 10:44:15,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9667de0b0/1a026a69537e45338f62f087ac34a1d7/FLAG3d4ab9a9e [2020-07-07 10:44:16,232 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:44:16,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-07-07 10:44:16,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9667de0b0/1a026a69537e45338f62f087ac34a1d7/FLAG3d4ab9a9e [2020-07-07 10:44:16,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9667de0b0/1a026a69537e45338f62f087ac34a1d7 [2020-07-07 10:44:16,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:44:16,552 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:44:16,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:16,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:44:16,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:44:16,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:16" (1/1) ... [2020-07-07 10:44:16,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d70ad6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:16, skipping insertion in model container [2020-07-07 10:44:16,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:16" (1/1) ... [2020-07-07 10:44:16,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:44:16,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:44:16,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:17,036 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:44:17,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:17,158 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:44:17,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17 WrapperNode [2020-07-07 10:44:17,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:17,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:44:17,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:44:17,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:44:17,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (1/1) ... [2020-07-07 10:44:17,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (1/1) ... [2020-07-07 10:44:17,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (1/1) ... [2020-07-07 10:44:17,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (1/1) ... [2020-07-07 10:44:17,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (1/1) ... [2020-07-07 10:44:17,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (1/1) ... [2020-07-07 10:44:17,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (1/1) ... [2020-07-07 10:44:17,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:44:17,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:44:17,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:44:17,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:44:17,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (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 [2020-07-07 10:44:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:44:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:44:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:44:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:44:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:44:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:44:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:44:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:44:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:44:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:44:17,352 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:44:17,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:44:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:44:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:44:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:44:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:44:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:44:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:44:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:44:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:44:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:44:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:44:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:44:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:44:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:44:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:44:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:44:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:44:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:44:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:44:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:44:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:44:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:44:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:44:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:44:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:44:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:44:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:44:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:44:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:44:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:44:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:44:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:44:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:44:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:44:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:44:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:44:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:44:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:44:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:44:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:44:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:44:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:44:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:44:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:44:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:44:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:44:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:44:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:44:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:44:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:44:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:44:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:44:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:44:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:44:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:44:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:44:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:44:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:44:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:44:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:44:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:44:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:44:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:44:18,443 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:44:18,443 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:44:18,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:18 BoogieIcfgContainer [2020-07-07 10:44:18,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:44:18,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:44:18,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:44:18,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:44:18,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:44:16" (1/3) ... [2020-07-07 10:44:18,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3b7f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:18, skipping insertion in model container [2020-07-07 10:44:18,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:17" (2/3) ... [2020-07-07 10:44:18,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3b7f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:18, skipping insertion in model container [2020-07-07 10:44:18,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:18" (3/3) ... [2020-07-07 10:44:18,461 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2020-07-07 10:44:18,471 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:44:18,479 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:44:18,492 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:44:18,514 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:44:18,514 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:44:18,514 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:44:18,514 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:44:18,515 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:44:18,515 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:44:18,515 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:44:18,515 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:44:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-07 10:44:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:44:18,545 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:18,546 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:18,547 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:18,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:18,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1697845513, now seen corresponding path program 1 times [2020-07-07 10:44:18,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:18,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514312468] [2020-07-07 10:44:18,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,234 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:19,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514312468] [2020-07-07 10:44:19,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:19,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:44:19,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233393059] [2020-07-07 10:44:19,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:44:19,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:19,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:44:19,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:19,386 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-07-07 10:44:20,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:20,398 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2020-07-07 10:44:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:44:20,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:44:20,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:20,416 INFO L225 Difference]: With dead ends: 261 [2020-07-07 10:44:20,416 INFO L226 Difference]: Without dead ends: 141 [2020-07-07 10:44:20,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:20,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-07 10:44:20,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 111. [2020-07-07 10:44:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-07 10:44:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2020-07-07 10:44:20,504 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52 [2020-07-07 10:44:20,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:20,505 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2020-07-07 10:44:20,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:44:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2020-07-07 10:44:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:44:20,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:20,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:20,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:44:20,509 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:20,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:20,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1118186443, now seen corresponding path program 1 times [2020-07-07 10:44:20,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:20,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911074254] [2020-07-07 10:44:20,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,879 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:20,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911074254] [2020-07-07 10:44:20,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:20,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:44:20,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499270603] [2020-07-07 10:44:20,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:44:20,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:20,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:44:20,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:44:20,949 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 4 states. [2020-07-07 10:44:21,360 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:22,026 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2020-07-07 10:44:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:44:22,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:44:22,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:22,030 INFO L225 Difference]: With dead ends: 194 [2020-07-07 10:44:22,030 INFO L226 Difference]: Without dead ends: 125 [2020-07-07 10:44:22,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:44:22,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-07 10:44:22,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2020-07-07 10:44:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-07 10:44:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-07-07 10:44:22,061 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 53 [2020-07-07 10:44:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:22,061 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-07-07 10:44:22,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:44:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-07-07 10:44:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:44:22,064 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:22,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:22,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:44:22,064 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:22,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:22,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1001368997, now seen corresponding path program 1 times [2020-07-07 10:44:22,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:22,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716958177] [2020-07-07 10:44:22,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,397 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:22,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:22,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716958177] [2020-07-07 10:44:22,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:22,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:22,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66356969] [2020-07-07 10:44:22,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:22,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:22,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:22,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:22,495 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 8 states. [2020-07-07 10:44:22,912 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:23,202 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:23,445 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:23,708 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:24,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:24,562 INFO L93 Difference]: Finished difference Result 203 states and 250 transitions. [2020-07-07 10:44:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:44:24,563 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-07 10:44:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:24,565 INFO L225 Difference]: With dead ends: 203 [2020-07-07 10:44:24,565 INFO L226 Difference]: Without dead ends: 125 [2020-07-07 10:44:24,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:24,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-07 10:44:24,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2020-07-07 10:44:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-07 10:44:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2020-07-07 10:44:24,618 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 57 [2020-07-07 10:44:24,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:24,619 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2020-07-07 10:44:24,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2020-07-07 10:44:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:44:24,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:24,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:24,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:44:24,625 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:24,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1834066652, now seen corresponding path program 1 times [2020-07-07 10:44:24,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:24,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086070213] [2020-07-07 10:44:24,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,873 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:24,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086070213] [2020-07-07 10:44:24,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:24,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:44:24,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043175452] [2020-07-07 10:44:24,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:44:24,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:24,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:44:24,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:44:24,954 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states. [2020-07-07 10:44:25,305 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:26,437 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:26,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:26,949 INFO L93 Difference]: Finished difference Result 298 states and 368 transitions. [2020-07-07 10:44:26,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:44:26,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-07 10:44:26,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:26,955 INFO L225 Difference]: With dead ends: 298 [2020-07-07 10:44:26,955 INFO L226 Difference]: Without dead ends: 220 [2020-07-07 10:44:26,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:44:26,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-07 10:44:27,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 179. [2020-07-07 10:44:27,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-07-07 10:44:27,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 206 transitions. [2020-07-07 10:44:27,019 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 206 transitions. Word has length 65 [2020-07-07 10:44:27,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:27,020 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 206 transitions. [2020-07-07 10:44:27,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:44:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 206 transitions. [2020-07-07 10:44:27,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-07 10:44:27,022 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:27,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:27,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:44:27,023 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:27,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:27,023 INFO L82 PathProgramCache]: Analyzing trace with hash 476831218, now seen corresponding path program 1 times [2020-07-07 10:44:27,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:27,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113377283] [2020-07-07 10:44:27,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,332 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:27,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113377283] [2020-07-07 10:44:27,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:27,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:27,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702139835] [2020-07-07 10:44:27,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:27,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:27,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:27,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:27,446 INFO L87 Difference]: Start difference. First operand 179 states and 206 transitions. Second operand 8 states. [2020-07-07 10:44:27,836 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:28,974 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:29,280 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:29,543 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:29,807 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:30,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:30,362 INFO L93 Difference]: Finished difference Result 486 states and 614 transitions. [2020-07-07 10:44:30,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:44:30,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-07 10:44:30,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:30,369 INFO L225 Difference]: With dead ends: 486 [2020-07-07 10:44:30,369 INFO L226 Difference]: Without dead ends: 331 [2020-07-07 10:44:30,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:44:30,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-07-07 10:44:30,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291. [2020-07-07 10:44:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-07-07 10:44:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 341 transitions. [2020-07-07 10:44:30,443 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 341 transitions. Word has length 79 [2020-07-07 10:44:30,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:30,444 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 341 transitions. [2020-07-07 10:44:30,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 341 transitions. [2020-07-07 10:44:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:44:30,446 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:30,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:30,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:44:30,447 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:30,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:30,448 INFO L82 PathProgramCache]: Analyzing trace with hash 786989304, now seen corresponding path program 1 times [2020-07-07 10:44:30,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:30,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593991001] [2020-07-07 10:44:30,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,738 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:30,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593991001] [2020-07-07 10:44:30,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:30,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:44:30,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557670932] [2020-07-07 10:44:30,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:44:30,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:30,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:44:30,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:44:30,913 INFO L87 Difference]: Start difference. First operand 291 states and 341 transitions. Second operand 9 states. [2020-07-07 10:44:31,620 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:32,152 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:33,534 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:34,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:34,782 INFO L93 Difference]: Finished difference Result 714 states and 925 transitions. [2020-07-07 10:44:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:44:34,782 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-07 10:44:34,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:34,793 INFO L225 Difference]: With dead ends: 714 [2020-07-07 10:44:34,795 INFO L226 Difference]: Without dead ends: 548 [2020-07-07 10:44:34,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:44:34,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-07 10:44:34,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 482. [2020-07-07 10:44:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-07-07 10:44:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 586 transitions. [2020-07-07 10:44:34,955 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 586 transitions. Word has length 83 [2020-07-07 10:44:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:34,955 INFO L479 AbstractCegarLoop]: Abstraction has 482 states and 586 transitions. [2020-07-07 10:44:34,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:44:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 586 transitions. [2020-07-07 10:44:34,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:44:34,958 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:34,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:34,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:44:34,960 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:34,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:34,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1116755065, now seen corresponding path program 1 times [2020-07-07 10:44:34,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:34,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732080138] [2020-07-07 10:44:34,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,258 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:35,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732080138] [2020-07-07 10:44:35,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:35,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:35,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92996671] [2020-07-07 10:44:35,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:35,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:35,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:35,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:35,420 INFO L87 Difference]: Start difference. First operand 482 states and 586 transitions. Second operand 8 states. [2020-07-07 10:44:36,196 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:36,423 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:44:36,687 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:37,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:37,502 INFO L93 Difference]: Finished difference Result 877 states and 1107 transitions. [2020-07-07 10:44:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:44:37,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-07-07 10:44:37,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:37,512 INFO L225 Difference]: With dead ends: 877 [2020-07-07 10:44:37,512 INFO L226 Difference]: Without dead ends: 524 [2020-07-07 10:44:37,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-07-07 10:44:37,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 482. [2020-07-07 10:44:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-07-07 10:44:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 585 transitions. [2020-07-07 10:44:37,607 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 585 transitions. Word has length 83 [2020-07-07 10:44:37,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:37,608 INFO L479 AbstractCegarLoop]: Abstraction has 482 states and 585 transitions. [2020-07-07 10:44:37,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 585 transitions. [2020-07-07 10:44:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:44:37,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:37,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:37,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:44:37,610 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:37,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:37,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1044368507, now seen corresponding path program 1 times [2020-07-07 10:44:37,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:37,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790733016] [2020-07-07 10:44:37,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,878 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:38,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790733016] [2020-07-07 10:44:38,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:38,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:44:38,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436150316] [2020-07-07 10:44:38,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:44:38,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:38,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:44:38,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:38,026 INFO L87 Difference]: Start difference. First operand 482 states and 585 transitions. Second operand 12 states. [2020-07-07 10:44:38,634 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:38,873 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:39,102 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:39,699 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:39,927 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:44:40,199 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:40,439 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:41,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:41,317 INFO L93 Difference]: Finished difference Result 950 states and 1193 transitions. [2020-07-07 10:44:41,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:44:41,318 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-07-07 10:44:41,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:41,322 INFO L225 Difference]: With dead ends: 950 [2020-07-07 10:44:41,322 INFO L226 Difference]: Without dead ends: 492 [2020-07-07 10:44:41,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-07 10:44:41,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-07-07 10:44:41,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 455. [2020-07-07 10:44:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-07-07 10:44:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 550 transitions. [2020-07-07 10:44:41,417 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 550 transitions. Word has length 83 [2020-07-07 10:44:41,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:41,417 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 550 transitions. [2020-07-07 10:44:41,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:44:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 550 transitions. [2020-07-07 10:44:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:44:41,419 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:41,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:41,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:44:41,420 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:41,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:41,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1113116411, now seen corresponding path program 1 times [2020-07-07 10:44:41,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:41,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141245518] [2020-07-07 10:44:41,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,720 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:41,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141245518] [2020-07-07 10:44:41,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:41,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 10:44:41,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374237328] [2020-07-07 10:44:41,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 10:44:41,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:41,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 10:44:41,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:44:41,846 INFO L87 Difference]: Start difference. First operand 455 states and 550 transitions. Second operand 13 states. [2020-07-07 10:44:42,410 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:42,642 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:42,873 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:43,696 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:44,372 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:44,686 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:44:44,967 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:44:45,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:45,445 INFO L93 Difference]: Finished difference Result 780 states and 951 transitions. [2020-07-07 10:44:45,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:44:45,446 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 84 [2020-07-07 10:44:45,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:45,447 INFO L225 Difference]: With dead ends: 780 [2020-07-07 10:44:45,447 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:44:45,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:44:45,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:44:45,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:44:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:44:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:44:45,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2020-07-07 10:44:45,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:45,452 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:44:45,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 10:44:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:44:45,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:44:45,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:44:45,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:44:46,295 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2020-07-07 10:44:47,591 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-07-07 10:44:48,298 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-07-07 10:44:48,690 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2020-07-07 10:44:49,452 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-07-07 10:44:49,603 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-07 10:44:49,759 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-07-07 10:44:49,920 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-07-07 10:44:50,067 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-07-07 10:44:50,500 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:44:50,872 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-07 10:44:51,071 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:51,232 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:44:51,863 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 30 [2020-07-07 10:44:52,542 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-07 10:44:52,710 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:44:53,323 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-07-07 10:44:53,493 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:44:53,992 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-07 10:44:54,498 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2020-07-07 10:44:54,674 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:44:54,852 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:44:55,232 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-07 10:44:55,393 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:44:55,547 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-07 10:44:56,033 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-07-07 10:44:56,193 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:44:56,686 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-07-07 10:44:56,885 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 10:44:57,410 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-07 10:44:57,578 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-07-07 10:44:57,794 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-07-07 10:44:57,955 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-07 10:44:58,119 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-07-07 10:44:58,286 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-07-07 10:44:58,453 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-07-07 10:44:58,652 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:44:59,000 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 34 [2020-07-07 10:44:59,432 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:44:59,944 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-07 10:45:00,399 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-07 10:45:00,404 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-07-07 10:45:00,405 INFO L268 CegarLoopResult]: For program point L320-2(lines 320 341) no Hoare annotation was computed. [2020-07-07 10:45:00,405 INFO L268 CegarLoopResult]: For program point L342(lines 319 343) no Hoare annotation was computed. [2020-07-07 10:45:00,405 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 295 350) no Hoare annotation was computed. [2020-07-07 10:45:00,405 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 295 350) no Hoare annotation was computed. [2020-07-07 10:45:00,405 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-07 10:45:00,405 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 330) no Hoare annotation was computed. [2020-07-07 10:45:00,405 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 295 350) no Hoare annotation was computed. [2020-07-07 10:45:00,405 INFO L268 CegarLoopResult]: For program point L383(lines 383 387) no Hoare annotation was computed. [2020-07-07 10:45:00,406 INFO L268 CegarLoopResult]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2020-07-07 10:45:00,406 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-07-07 10:45:00,406 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 402) no Hoare annotation was computed. [2020-07-07 10:45:00,406 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 351 410) no Hoare annotation was computed. [2020-07-07 10:45:00,406 INFO L268 CegarLoopResult]: For program point L403(lines 376 404) no Hoare annotation was computed. [2020-07-07 10:45:00,406 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 351 410) no Hoare annotation was computed. [2020-07-07 10:45:00,406 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-07-07 10:45:00,406 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-07-07 10:45:00,407 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 351 410) no Hoare annotation was computed. [2020-07-07 10:45:00,407 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 891 897) the Hoare annotation is: true [2020-07-07 10:45:00,407 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 891 897) no Hoare annotation was computed. [2020-07-07 10:45:00,407 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 898 906) no Hoare annotation was computed. [2020-07-07 10:45:00,408 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 898 906) the Hoare annotation is: true [2020-07-07 10:45:00,408 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 898 906) no Hoare annotation was computed. [2020-07-07 10:45:00,408 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,408 INFO L264 CegarLoopResult]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,408 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,408 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2020-07-07 10:45:00,409 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2020-07-07 10:45:00,409 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,409 INFO L264 CegarLoopResult]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,409 INFO L268 CegarLoopResult]: For program point L229(lines 229 236) no Hoare annotation was computed. [2020-07-07 10:45:00,409 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2020-07-07 10:45:00,409 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-07 10:45:00,410 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,410 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-07 10:45:00,410 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-07-07 10:45:00,410 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-07 10:45:00,410 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-07 10:45:00,410 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-07 10:45:00,410 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-07-07 10:45:00,410 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-07-07 10:45:00,410 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-07 10:45:00,411 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-07-07 10:45:00,412 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-07-07 10:45:00,412 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-07-07 10:45:00,412 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-07-07 10:45:00,412 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-07-07 10:45:00,412 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-07-07 10:45:00,412 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-07-07 10:45:00,412 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-07-07 10:45:00,412 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-07 10:45:00,413 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-07 10:45:00,413 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-07-07 10:45:00,413 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-07-07 10:45:00,413 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-07-07 10:45:00,413 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 884 890) no Hoare annotation was computed. [2020-07-07 10:45:00,413 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 884 890) the Hoare annotation is: true [2020-07-07 10:45:00,413 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 249 294) no Hoare annotation was computed. [2020-07-07 10:45:00,414 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 249 294) no Hoare annotation was computed. [2020-07-07 10:45:00,414 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 249 294) no Hoare annotation was computed. [2020-07-07 10:45:00,414 INFO L268 CegarLoopResult]: For program point L576(lines 576 596) no Hoare annotation was computed. [2020-07-07 10:45:00,414 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 596) no Hoare annotation was computed. [2020-07-07 10:45:00,414 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 562 607) no Hoare annotation was computed. [2020-07-07 10:45:00,414 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 562 607) no Hoare annotation was computed. [2020-07-07 10:45:00,414 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-07-07 10:45:00,415 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 562 607) no Hoare annotation was computed. [2020-07-07 10:45:00,415 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,415 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2020-07-07 10:45:00,415 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2020-07-07 10:45:00,415 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-07 10:45:00,415 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 763 773) no Hoare annotation was computed. [2020-07-07 10:45:00,415 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-07-07 10:45:00,416 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-07-07 10:45:00,416 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-07-07 10:45:00,416 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 755 762) no Hoare annotation was computed. [2020-07-07 10:45:00,416 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-07-07 10:45:00,416 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-07-07 10:45:00,416 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-07 10:45:00,416 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-07 10:45:00,417 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-07 10:45:00,417 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-07 10:45:00,417 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:45:00,417 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse0) (or .cse1 (not (<= 2 ~waterLevel~0)) .cse0 (and .cse2 (<= 1 processEnvironment_~tmp~5))))) [2020-07-07 10:45:00,417 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-07-07 10:45:00,417 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse0) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-07 10:45:00,418 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-07-07 10:45:00,418 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 722 746) no Hoare annotation was computed. [2020-07-07 10:45:00,418 INFO L268 CegarLoopResult]: For program point L726(lines 726 743) no Hoare annotation was computed. [2020-07-07 10:45:00,418 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 722 746) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse0) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-07 10:45:00,418 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:45:00,418 INFO L268 CegarLoopResult]: For program point L741-1(lines 722 746) no Hoare annotation was computed. [2020-07-07 10:45:00,418 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 714 720) no Hoare annotation was computed. [2020-07-07 10:45:00,419 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 714 720) the Hoare annotation is: true [2020-07-07 10:45:00,419 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (and .cse0 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:45:00,419 INFO L264 CegarLoopResult]: At program point testENTRY(lines 618 681) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,419 INFO L264 CegarLoopResult]: At program point L671(lines 628 673) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (and .cse0 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:45:00,419 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-07-07 10:45:00,419 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2020-07-07 10:45:00,419 INFO L268 CegarLoopResult]: For program point testFINAL(lines 618 681) no Hoare annotation was computed. [2020-07-07 10:45:00,420 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-07-07 10:45:00,420 INFO L264 CegarLoopResult]: At program point L674(lines 627 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:00,420 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-07-07 10:45:00,420 INFO L264 CegarLoopResult]: At program point L664-2(lines 658 669) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~pumpRunning~0)) (not .cse2))) [2020-07-07 10:45:00,420 INFO L268 CegarLoopResult]: For program point L629(lines 628 673) no Hoare annotation was computed. [2020-07-07 10:45:00,420 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-07-07 10:45:00,420 INFO L264 CegarLoopResult]: At program point L650(line 650) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~pumpRunning~0)) (not .cse2))) [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point testEXIT(lines 618 681) no Hoare annotation was computed. [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 516 561) no Hoare annotation was computed. [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 516 561) no Hoare annotation was computed. [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-07-07 10:45:00,421 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 516 561) no Hoare annotation was computed. [2020-07-07 10:45:00,422 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:45:00,422 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-07 10:45:00,422 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:45:00,422 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-07 10:45:00,422 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-07 10:45:00,422 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 413 515) no Hoare annotation was computed. [2020-07-07 10:45:00,423 INFO L268 CegarLoopResult]: For program point L442(lines 442 458) no Hoare annotation was computed. [2020-07-07 10:45:00,423 INFO L268 CegarLoopResult]: For program point L502(lines 502 509) no Hoare annotation was computed. [2020-07-07 10:45:00,423 INFO L268 CegarLoopResult]: For program point L463(lines 462 482) no Hoare annotation was computed. [2020-07-07 10:45:00,423 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-07 10:45:00,423 INFO L268 CegarLoopResult]: For program point L494-1(line 494) no Hoare annotation was computed. [2020-07-07 10:45:00,423 INFO L268 CegarLoopResult]: For program point L459(lines 459 500) no Hoare annotation was computed. [2020-07-07 10:45:00,423 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 413 515) no Hoare annotation was computed. [2020-07-07 10:45:00,423 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 10:45:00,424 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-07-07 10:45:00,424 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-07-07 10:45:00,424 INFO L268 CegarLoopResult]: For program point L501(lines 501 512) no Hoare annotation was computed. [2020-07-07 10:45:00,424 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 413 515) no Hoare annotation was computed. [2020-07-07 10:45:00,424 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-07-07 10:45:00,424 INFO L268 CegarLoopResult]: For program point L462-2(lines 462 482) no Hoare annotation was computed. [2020-07-07 10:45:00,424 INFO L268 CegarLoopResult]: For program point L483(lines 461 484) no Hoare annotation was computed. [2020-07-07 10:45:00,424 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 874 883) no Hoare annotation was computed. [2020-07-07 10:45:00,425 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 874 883) no Hoare annotation was computed. [2020-07-07 10:45:00,425 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 874 883) no Hoare annotation was computed. [2020-07-07 10:45:00,425 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:00,425 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:45:00,425 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:00,425 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-07-07 10:45:00,426 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-07-07 10:45:00,426 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 747 754) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:45:00,426 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-07 10:45:00,426 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-07 10:45:00,426 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-07 10:45:00,426 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2020-07-07 10:45:00,426 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-07 10:45:00,427 INFO L271 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-07-07 10:45:00,427 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2020-07-07 10:45:00,427 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-07 10:45:00,427 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2020-07-07 10:45:00,427 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2020-07-07 10:45:00,427 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-07 10:45:00,427 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-07 10:45:00,427 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-07 10:45:00,428 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:00,428 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:45:00,428 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:00,428 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-07 10:45:00,428 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-07 10:45:00,428 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-07 10:45:00,428 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 (<= ~waterLevel~0 1) .cse2))) [2020-07-07 10:45:00,429 INFO L264 CegarLoopResult]: At program point L701(lines 701 707) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) (or (and (= 0 ~pumpRunning~0) .cse0) (and (= 1 ~waterLevel~0) .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 (<= ~waterLevel~0 1) .cse3))) [2020-07-07 10:45:00,429 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:45:00,429 INFO L268 CegarLoopResult]: For program point L694(lines 693 712) no Hoare annotation was computed. [2020-07-07 10:45:00,429 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 690 713) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 (= 1 ~waterLevel~0)) .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse2) (or (and .cse0 .cse3) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-07 10:45:00,429 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 690 713) no Hoare annotation was computed. [2020-07-07 10:45:00,429 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 690 713) no Hoare annotation was computed. [2020-07-07 10:45:00,429 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-07-07 10:45:00,430 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-07 10:45:00,430 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-07-07 10:45:00,430 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-07-07 10:45:00,430 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-07 10:45:00,430 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-07-07 10:45:00,430 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-07-07 10:45:00,430 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-07 10:45:00,430 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-07-07 10:45:00,431 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-07 10:45:00,431 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-07 10:45:00,431 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 839 871) no Hoare annotation was computed. [2020-07-07 10:45:00,431 INFO L268 CegarLoopResult]: For program point L858(lines 858 864) no Hoare annotation was computed. [2020-07-07 10:45:00,431 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 839 871) the Hoare annotation is: true [2020-07-07 10:45:00,431 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-07 10:45:00,431 INFO L268 CegarLoopResult]: For program point L856-1(line 856) no Hoare annotation was computed. [2020-07-07 10:45:00,432 INFO L268 CegarLoopResult]: For program point L854(lines 854 867) no Hoare annotation was computed. [2020-07-07 10:45:00,432 INFO L268 CegarLoopResult]: For program point L854-1(lines 839 871) no Hoare annotation was computed. [2020-07-07 10:45:00,432 INFO L271 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: true [2020-07-07 10:45:00,432 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-07 10:45:00,432 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-07-07 10:45:00,432 INFO L271 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: true [2020-07-07 10:45:00,432 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-07 10:45:00,432 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:00,432 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-07 10:45:00,433 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-07 10:45:00,433 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-07-07 10:45:00,433 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-07-07 10:45:00,433 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:00,433 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:45:00,433 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:45:00,433 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:00,433 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-07 10:45:00,433 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-07 10:45:00,434 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (= 1 ~waterLevel~0) .cse0))) [2020-07-07 10:45:00,434 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 609 616) no Hoare annotation was computed. [2020-07-07 10:45:00,434 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2020-07-07 10:45:00,434 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 609 616) the Hoare annotation is: true [2020-07-07 10:45:00,434 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 609 616) no Hoare annotation was computed. [2020-07-07 10:45:00,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:45:00 BoogieIcfgContainer [2020-07-07 10:45:00,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:45:00,452 INFO L168 Benchmark]: Toolchain (without parser) took 43900.88 ms. Allocated memory was 139.5 MB in the beginning and 693.6 MB in the end (delta: 554.2 MB). Free memory was 102.3 MB in the beginning and 477.7 MB in the end (delta: -375.4 MB). Peak memory consumption was 570.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:00,453 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:45:00,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.04 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.1 MB in the beginning and 174.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:00,454 INFO L168 Benchmark]: Boogie Preprocessor took 132.11 ms. Allocated memory is still 203.9 MB. Free memory was 174.1 MB in the beginning and 169.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:00,455 INFO L168 Benchmark]: RCFGBuilder took 1158.68 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.8 MB in the beginning and 200.8 MB in the end (delta: -31.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:00,456 INFO L168 Benchmark]: TraceAbstraction took 41997.43 ms. Allocated memory was 237.0 MB in the beginning and 693.6 MB in the end (delta: 456.7 MB). Free memory was 199.4 MB in the beginning and 477.7 MB in the end (delta: -278.3 MB). Peak memory consumption was 570.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:00,459 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.04 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.1 MB in the beginning and 174.1 MB in the end (delta: -72.0 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.11 ms. Allocated memory is still 203.9 MB. Free memory was 174.1 MB in the beginning and 169.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.68 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.8 MB in the beginning and 200.8 MB in the end (delta: -31.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41997.43 ms. Allocated memory was 237.0 MB in the beginning and 693.6 MB in the end (delta: 456.7 MB). Free memory was 199.4 MB in the beginning and 477.7 MB in the end (delta: -278.3 MB). Peak memory consumption was 570.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: 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: 628]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(waterLevel))) || (0 == splverifierCounter && 1 <= pumpRunning)) || !(1 == systemActive)) || ((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.9s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 22.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 965 SDtfs, 1617 SDslu, 1116 SDs, 0 SdLazy, 5132 SolverSat, 987 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 325 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=6, 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, 9 MinimizatonAttempts, 302 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 865 PreInvPairs, 916 NumberOfFragments, 1199 HoareAnnotationTreeSize, 865 FomulaSimplifications, 1352913 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 89241 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 630 ConstructedInterpolants, 0 QuantifiedInterpolants, 190957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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...