/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_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:42:17,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:42:17,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:42:17,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:42:17,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:42:17,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:42:17,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:42:17,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:42:17,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:42:17,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:42:17,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:42:17,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:42:17,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:42:17,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:42:17,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:42:17,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:42:17,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:42:17,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:42:17,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:42:17,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:42:17,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:42:17,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:42:17,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:42:17,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:42:17,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:42:17,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:42:17,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:42:17,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:42:17,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:42:17,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:42:17,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:42:17,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:42:17,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:42:17,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:42:17,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:42:17,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:42:17,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:42:17,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:42:17,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:42:17,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:42:17,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:42:17,263 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 10:42:17,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:42:17,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:42:17,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:42:17,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:42:17,292 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:42:17,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:42:17,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:42:17,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:42:17,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:42:17,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:42:17,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:42:17,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:42:17,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:42:17,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:42:17,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:42:17,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:42:17,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:42:17,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:42:17,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:42:17,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:42:17,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:42:17,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:42:17,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:42:17,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:42:17,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:42:17,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:42:17,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:42:17,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:42:17,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:42:17,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:42:17,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:42:17,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:42:17,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:42:17,624 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:42:17,624 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:42:17,625 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-07-07 10:42:17,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deeceef3a/e7d70d84d54b413995610e18d31457eb/FLAGa15e1f691 [2020-07-07 10:42:18,162 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:42:18,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-07-07 10:42:18,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deeceef3a/e7d70d84d54b413995610e18d31457eb/FLAGa15e1f691 [2020-07-07 10:42:18,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deeceef3a/e7d70d84d54b413995610e18d31457eb [2020-07-07 10:42:18,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:42:18,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:42:18,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:42:18,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:42:18,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:42:18,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c34d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:18, skipping insertion in model container [2020-07-07 10:42:18,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:42:18" (1/1) ... [2020-07-07 10:42:18,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:42:18,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:42:18,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:42:18,941 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:42:19,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:42:19,189 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:42:19,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19 WrapperNode [2020-07-07 10:42:19,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:42:19,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:42:19,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:42:19,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:42:19,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (1/1) ... [2020-07-07 10:42:19,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (1/1) ... [2020-07-07 10:42:19,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (1/1) ... [2020-07-07 10:42:19,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (1/1) ... [2020-07-07 10:42:19,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (1/1) ... [2020-07-07 10:42:19,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (1/1) ... [2020-07-07 10:42:19,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (1/1) ... [2020-07-07 10:42:19,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:42:19,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:42:19,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:42:19,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:42:19,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (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 10:42:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:42:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:42:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:42:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:42:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:42:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:42:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:42:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:42:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:42:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:42:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:42:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:42:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:42:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:42:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:42:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:42:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:42:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:42:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:42:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:42:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:42:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:42:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:42:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:42:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:42:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:42:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:42:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:42:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:42:19,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:42:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:42:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:42:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:42:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:42:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:42:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:42:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:42:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:42:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:42:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:42:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:42:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:42:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:42:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:42:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:42:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:42:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:42:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:42:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:42:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:42:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:42:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:42:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:42:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:42:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:42:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:42:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:42:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:42:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:42:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:42:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:42:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:42:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:42:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:42:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:42:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:42:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:42:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:42:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:42:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:42:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:42:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:42:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:42:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:42:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:42:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:42:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:42:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:42:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:42:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:42:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:42:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:42:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:42:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:42:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:42:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:42:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:42:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:42:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:42:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:42:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:42:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:42:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:42:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:42:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:42:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:42:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:42:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:42:20,592 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:42:20,592 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:42:20,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:42:20 BoogieIcfgContainer [2020-07-07 10:42:20,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:42:20,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:42:20,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:42:20,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:42:20,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:42:18" (1/3) ... [2020-07-07 10:42:20,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cb7fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:42:20, skipping insertion in model container [2020-07-07 10:42:20,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:19" (2/3) ... [2020-07-07 10:42:20,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cb7fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:42:20, skipping insertion in model container [2020-07-07 10:42:20,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:42:20" (3/3) ... [2020-07-07 10:42:20,606 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-07-07 10:42:20,617 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:42:20,625 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:42:20,638 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:42:20,660 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:42:20,661 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:42:20,661 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:42:20,661 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:42:20,661 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:42:20,662 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:42:20,662 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:42:20,662 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:42:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-07 10:42:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:42:20,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:20,698 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] [2020-07-07 10:42:20,698 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:20,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:20,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1742083297, now seen corresponding path program 1 times [2020-07-07 10:42:20,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:20,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110198685] [2020-07-07 10:42:20,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,476 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:21,582 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 10:42:21,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110198685] [2020-07-07 10:42:21,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:21,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:42:21,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930379564] [2020-07-07 10:42:21,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:42:21,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:21,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:42:21,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:42:21,616 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 4 states. [2020-07-07 10:42:22,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:22,855 INFO L93 Difference]: Finished difference Result 306 states and 397 transitions. [2020-07-07 10:42:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:42:22,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:42:22,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:22,872 INFO L225 Difference]: With dead ends: 306 [2020-07-07 10:42:22,873 INFO L226 Difference]: Without dead ends: 170 [2020-07-07 10:42:22,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:42:22,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-07 10:42:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 137. [2020-07-07 10:42:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-07 10:42:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2020-07-07 10:42:22,973 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2020-07-07 10:42:22,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:22,973 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2020-07-07 10:42:22,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:42:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2020-07-07 10:42:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:42:22,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:22,978 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 10:42:22,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:42:22,979 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:22,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:22,980 INFO L82 PathProgramCache]: Analyzing trace with hash 604742129, now seen corresponding path program 1 times [2020-07-07 10:42:22,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:22,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128631171] [2020-07-07 10:42:22,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,306 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,398 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 10:42:23,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128631171] [2020-07-07 10:42:23,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:23,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:42:23,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674272347] [2020-07-07 10:42:23,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:42:23,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:23,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:42:23,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:42:23,402 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 5 states. [2020-07-07 10:42:23,882 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:24,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:24,849 INFO L93 Difference]: Finished difference Result 247 states and 304 transitions. [2020-07-07 10:42:24,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:42:24,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:42:24,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:24,855 INFO L225 Difference]: With dead ends: 247 [2020-07-07 10:42:24,855 INFO L226 Difference]: Without dead ends: 160 [2020-07-07 10:42:24,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:42:24,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-07 10:42:24,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-07-07 10:42:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-07 10:42:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2020-07-07 10:42:24,898 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2020-07-07 10:42:24,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:24,898 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2020-07-07 10:42:24,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:42:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2020-07-07 10:42:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:42:24,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:24,901 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 10:42:24,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:42:24,902 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:24,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:24,902 INFO L82 PathProgramCache]: Analyzing trace with hash -185652476, now seen corresponding path program 1 times [2020-07-07 10:42:24,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:24,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752783748] [2020-07-07 10:42:24,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,233 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,341 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 10:42:25,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752783748] [2020-07-07 10:42:25,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:25,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:25,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410709756] [2020-07-07 10:42:25,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:25,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:25,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:25,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:25,344 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 9 states. [2020-07-07 10:42:25,694 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:26,042 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:42:26,332 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:26,580 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:27,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:27,799 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2020-07-07 10:42:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:42:27,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-07 10:42:27,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:27,802 INFO L225 Difference]: With dead ends: 260 [2020-07-07 10:42:27,802 INFO L226 Difference]: Without dead ends: 160 [2020-07-07 10:42:27,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:42:27,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-07 10:42:27,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-07-07 10:42:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-07 10:42:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2020-07-07 10:42:27,842 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2020-07-07 10:42:27,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:27,842 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2020-07-07 10:42:27,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2020-07-07 10:42:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:42:27,845 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:27,846 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] [2020-07-07 10:42:27,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:42:27,846 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:27,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:27,846 INFO L82 PathProgramCache]: Analyzing trace with hash -285076691, now seen corresponding path program 1 times [2020-07-07 10:42:27,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:27,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042742167] [2020-07-07 10:42:27,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,182 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,289 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 10:42:28,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042742167] [2020-07-07 10:42:28,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:28,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:42:28,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953843213] [2020-07-07 10:42:28,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:42:28,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:28,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:42:28,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:42:28,292 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 7 states. [2020-07-07 10:42:28,668 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:29,907 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:30,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:30,631 INFO L93 Difference]: Finished difference Result 359 states and 451 transitions. [2020-07-07 10:42:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:30,632 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-07 10:42:30,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:30,635 INFO L225 Difference]: With dead ends: 359 [2020-07-07 10:42:30,635 INFO L226 Difference]: Without dead ends: 259 [2020-07-07 10:42:30,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:42:30,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-07-07 10:42:30,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 210. [2020-07-07 10:42:30,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-07 10:42:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2020-07-07 10:42:30,684 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2020-07-07 10:42:30,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:30,684 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2020-07-07 10:42:30,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:42:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2020-07-07 10:42:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:42:30,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:30,687 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 10:42:30,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:42:30,687 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:30,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:30,688 INFO L82 PathProgramCache]: Analyzing trace with hash -791027315, now seen corresponding path program 1 times [2020-07-07 10:42:30,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:30,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359275964] [2020-07-07 10:42:30,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,035 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,141 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 10:42:31,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359275964] [2020-07-07 10:42:31,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:31,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:31,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750451759] [2020-07-07 10:42:31,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:31,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:31,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:31,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:31,146 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 9 states. [2020-07-07 10:42:31,533 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:32,695 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:32,952 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:33,187 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:33,401 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:34,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:34,562 INFO L93 Difference]: Finished difference Result 626 states and 786 transitions. [2020-07-07 10:42:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:42:34,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-07-07 10:42:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:34,568 INFO L225 Difference]: With dead ends: 626 [2020-07-07 10:42:34,568 INFO L226 Difference]: Without dead ends: 444 [2020-07-07 10:42:34,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:42:34,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-07-07 10:42:34,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 368. [2020-07-07 10:42:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-07-07 10:42:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2020-07-07 10:42:34,654 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2020-07-07 10:42:34,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:34,655 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2020-07-07 10:42:34,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2020-07-07 10:42:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:42:34,657 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:34,657 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, 1, 1, 1, 1] [2020-07-07 10:42:34,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:42:34,658 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:34,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:34,658 INFO L82 PathProgramCache]: Analyzing trace with hash 474237417, now seen corresponding path program 1 times [2020-07-07 10:42:34,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:34,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034428207] [2020-07-07 10:42:34,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,933 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:35,063 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 10:42:35,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034428207] [2020-07-07 10:42:35,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:35,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:35,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942625233] [2020-07-07 10:42:35,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:35,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:35,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:35,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:35,066 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 10 states. [2020-07-07 10:42:35,732 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:36,800 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:37,031 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:37,297 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:37,552 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:38,467 INFO L93 Difference]: Finished difference Result 822 states and 1015 transitions. [2020-07-07 10:42:38,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:38,468 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-07 10:42:38,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:38,473 INFO L225 Difference]: With dead ends: 822 [2020-07-07 10:42:38,473 INFO L226 Difference]: Without dead ends: 482 [2020-07-07 10:42:38,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:42:38,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-07-07 10:42:38,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 367. [2020-07-07 10:42:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-07-07 10:42:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2020-07-07 10:42:38,548 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2020-07-07 10:42:38,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:38,548 INFO L479 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2020-07-07 10:42:38,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:38,549 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2020-07-07 10:42:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:38,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:38,550 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, 1, 1, 1, 1, 1] [2020-07-07 10:42:38,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:42:38,551 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:38,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:38,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1710786942, now seen corresponding path program 1 times [2020-07-07 10:42:38,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:38,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382225488] [2020-07-07 10:42:38,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,871 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:38,989 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 10:42:38,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382225488] [2020-07-07 10:42:38,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:38,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:38,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590770171] [2020-07-07 10:42:38,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:38,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:38,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:38,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:38,992 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 10 states. [2020-07-07 10:42:40,031 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:40,279 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:42:40,514 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:40,761 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:41,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:41,838 INFO L93 Difference]: Finished difference Result 825 states and 1024 transitions. [2020-07-07 10:42:41,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:41,838 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-07 10:42:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:41,842 INFO L225 Difference]: With dead ends: 825 [2020-07-07 10:42:41,842 INFO L226 Difference]: Without dead ends: 486 [2020-07-07 10:42:41,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-07-07 10:42:41,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 377. [2020-07-07 10:42:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-07-07 10:42:41,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2020-07-07 10:42:41,919 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2020-07-07 10:42:41,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:41,919 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2020-07-07 10:42:41,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2020-07-07 10:42:41,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:41,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:41,921 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, 1, 1, 1, 1, 1] [2020-07-07 10:42:41,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:42:41,922 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:41,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:41,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1009187068, now seen corresponding path program 1 times [2020-07-07 10:42:41,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:41,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924999150] [2020-07-07 10:42:41,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,176 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:42,350 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 10:42:42,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924999150] [2020-07-07 10:42:42,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:42,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:42:42,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094354957] [2020-07-07 10:42:42,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:42:42,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:42,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:42:42,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:42:42,365 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 12 states. [2020-07-07 10:42:43,254 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:43,491 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:43,717 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:44,516 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:44,757 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:44,994 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:46,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:46,385 INFO L93 Difference]: Finished difference Result 849 states and 1066 transitions. [2020-07-07 10:42:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:46,385 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-07 10:42:46,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:46,389 INFO L225 Difference]: With dead ends: 849 [2020-07-07 10:42:46,390 INFO L226 Difference]: Without dead ends: 500 [2020-07-07 10:42:46,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:42:46,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-07-07 10:42:46,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 385. [2020-07-07 10:42:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-07-07 10:42:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2020-07-07 10:42:46,466 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2020-07-07 10:42:46,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:46,466 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2020-07-07 10:42:46,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:42:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2020-07-07 10:42:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:46,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:46,468 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, 1, 1, 1, 1, 1] [2020-07-07 10:42:46,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:42:46,469 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:46,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:46,469 INFO L82 PathProgramCache]: Analyzing trace with hash 716293829, now seen corresponding path program 1 times [2020-07-07 10:42:46,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:46,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451313278] [2020-07-07 10:42:46,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,738 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,874 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 10:42:46,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451313278] [2020-07-07 10:42:46,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:46,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:46,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514763357] [2020-07-07 10:42:46,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:46,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:46,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:46,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:46,876 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 8 states. [2020-07-07 10:42:47,306 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:47,870 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:50,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:50,159 INFO L93 Difference]: Finished difference Result 1197 states and 1553 transitions. [2020-07-07 10:42:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:50,160 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-07-07 10:42:50,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:50,167 INFO L225 Difference]: With dead ends: 1197 [2020-07-07 10:42:50,167 INFO L226 Difference]: Without dead ends: 840 [2020-07-07 10:42:50,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:42:50,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-07-07 10:42:50,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 695. [2020-07-07 10:42:50,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-07-07 10:42:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 813 transitions. [2020-07-07 10:42:50,278 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 813 transitions. Word has length 89 [2020-07-07 10:42:50,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:50,279 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 813 transitions. [2020-07-07 10:42:50,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 813 transitions. [2020-07-07 10:42:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:42:50,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:50,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:50,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:42:50,281 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:50,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:50,281 INFO L82 PathProgramCache]: Analyzing trace with hash -7624597, now seen corresponding path program 1 times [2020-07-07 10:42:50,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:50,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732037754] [2020-07-07 10:42:50,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,537 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:50,669 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 10:42:50,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732037754] [2020-07-07 10:42:50,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:50,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:50,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238374253] [2020-07-07 10:42:50,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:50,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:50,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:50,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:50,672 INFO L87 Difference]: Start difference. First operand 695 states and 813 transitions. Second operand 8 states. [2020-07-07 10:42:51,064 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:53,534 INFO L93 Difference]: Finished difference Result 1377 states and 1783 transitions. [2020-07-07 10:42:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 10:42:53,535 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-07 10:42:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:53,544 INFO L225 Difference]: With dead ends: 1377 [2020-07-07 10:42:53,544 INFO L226 Difference]: Without dead ends: 1374 [2020-07-07 10:42:53,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:42:53,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-07-07 10:42:53,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1147. [2020-07-07 10:42:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2020-07-07 10:42:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1356 transitions. [2020-07-07 10:42:53,804 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1356 transitions. Word has length 93 [2020-07-07 10:42:53,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:53,804 INFO L479 AbstractCegarLoop]: Abstraction has 1147 states and 1356 transitions. [2020-07-07 10:42:53,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1356 transitions. [2020-07-07 10:42:53,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-07 10:42:53,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:53,812 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:53,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 10:42:53,812 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:53,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:53,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1116069495, now seen corresponding path program 1 times [2020-07-07 10:42:53,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:53,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760959069] [2020-07-07 10:42:53,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,099 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-07 10:42:54,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760959069] [2020-07-07 10:42:54,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230186722] [2020-07-07 10:42:54,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:54,511 INFO L264 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 10:42:54,524 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:54,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:54,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-07 10:42:54,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872877956] [2020-07-07 10:42:54,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:42:54,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:54,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:42:54,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:42:54,583 INFO L87 Difference]: Start difference. First operand 1147 states and 1356 transitions. Second operand 3 states. [2020-07-07 10:42:54,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:54,924 INFO L93 Difference]: Finished difference Result 1935 states and 2323 transitions. [2020-07-07 10:42:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:42:54,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-07 10:42:54,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:54,932 INFO L225 Difference]: With dead ends: 1935 [2020-07-07 10:42:54,933 INFO L226 Difference]: Without dead ends: 948 [2020-07-07 10:42:54,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:42:54,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-07-07 10:42:55,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2020-07-07 10:42:55,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-07-07 10:42:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1106 transitions. [2020-07-07 10:42:55,201 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1106 transitions. Word has length 152 [2020-07-07 10:42:55,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:55,202 INFO L479 AbstractCegarLoop]: Abstraction has 948 states and 1106 transitions. [2020-07-07 10:42:55,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:42:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1106 transitions. [2020-07-07 10:42:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-07 10:42:55,209 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:55,209 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:55,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:42:55,423 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:55,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:55,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1764550393, now seen corresponding path program 1 times [2020-07-07 10:42:55,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:55,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827525709] [2020-07-07 10:42:55,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,798 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 10:42:56,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827525709] [2020-07-07 10:42:56,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278190570] [2020-07-07 10:42:56,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:56,253 INFO L264 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:42:56,260 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:56,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:56,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 19 [2020-07-07 10:42:56,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952218755] [2020-07-07 10:42:56,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:56,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:56,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:56,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:42:56,400 INFO L87 Difference]: Start difference. First operand 948 states and 1106 transitions. Second operand 9 states. [2020-07-07 10:42:58,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:58,084 INFO L93 Difference]: Finished difference Result 2574 states and 3363 transitions. [2020-07-07 10:42:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:58,084 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2020-07-07 10:42:58,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:58,097 INFO L225 Difference]: With dead ends: 2574 [2020-07-07 10:42:58,097 INFO L226 Difference]: Without dead ends: 1786 [2020-07-07 10:42:58,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 199 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:42:58,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2020-07-07 10:42:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1410. [2020-07-07 10:42:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1410 states. [2020-07-07 10:42:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1641 transitions. [2020-07-07 10:42:58,409 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1641 transitions. Word has length 154 [2020-07-07 10:42:58,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:58,409 INFO L479 AbstractCegarLoop]: Abstraction has 1410 states and 1641 transitions. [2020-07-07 10:42:58,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1641 transitions. [2020-07-07 10:42:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-07 10:42:58,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:58,414 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:58,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:42:58,627 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:58,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:58,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1836936951, now seen corresponding path program 1 times [2020-07-07 10:42:58,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:58,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701976814] [2020-07-07 10:42:58,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,930 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-07 10:42:59,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701976814] [2020-07-07 10:42:59,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790083805] [2020-07-07 10:42:59,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,415 INFO L264 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 10:42:59,426 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-07 10:42:59,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:59,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 15 [2020-07-07 10:42:59,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352469159] [2020-07-07 10:42:59,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:42:59,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:59,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:42:59,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:42:59,465 INFO L87 Difference]: Start difference. First operand 1410 states and 1641 transitions. Second operand 6 states. [2020-07-07 10:42:59,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:59,652 INFO L93 Difference]: Finished difference Result 1959 states and 2277 transitions. [2020-07-07 10:42:59,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:42:59,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-07-07 10:42:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:59,654 INFO L225 Difference]: With dead ends: 1959 [2020-07-07 10:42:59,654 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:42:59,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:42:59,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:42:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:42:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:42:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:42:59,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2020-07-07 10:42:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:59,661 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:42:59,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:42:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:42:59,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:42:59,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:42:59,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:43:01,734 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 339 DAG size of output: 305 [2020-07-07 10:43:03,636 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 313 [2020-07-07 10:43:05,103 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 313 [2020-07-07 10:43:06,076 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 284 [2020-07-07 10:43:06,521 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 284 [2020-07-07 10:43:07,214 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-07-07 10:43:07,393 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:43:07,612 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-07 10:43:08,040 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2020-07-07 10:43:08,218 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:43:08,416 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-07 10:43:10,058 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-07-07 10:43:10,671 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-07 10:43:11,067 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2020-07-07 10:43:11,627 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:43:12,228 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2020-07-07 10:43:12,592 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2020-07-07 10:43:12,783 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 10:43:13,328 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-07-07 10:43:13,669 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-07 10:43:14,354 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-07-07 10:43:14,552 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-07-07 10:43:15,101 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-07 10:43:15,506 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 21 [2020-07-07 10:43:15,706 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-07-07 10:43:16,632 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 36 [2020-07-07 10:43:16,817 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:43:18,383 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 262 DAG size of output: 34 [2020-07-07 10:43:18,765 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2020-07-07 10:43:18,957 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-07 10:43:19,337 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2020-07-07 10:43:19,683 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 14 [2020-07-07 10:43:19,882 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-07 10:43:20,418 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-07-07 10:43:20,596 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2020-07-07 10:43:20,782 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:43:21,002 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-07 10:43:21,446 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-07-07 10:43:21,628 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-07 10:43:21,805 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-07 10:43:21,995 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-07 10:43:22,509 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-07 10:43:22,697 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-07 10:43:22,914 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:43:24,505 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 262 DAG size of output: 34 [2020-07-07 10:43:24,876 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 13 [2020-07-07 10:43:25,330 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 34 [2020-07-07 10:43:25,515 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-07 10:43:26,749 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-07 10:43:27,981 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-07 10:43:28,524 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-07 10:43:28,532 INFO L268 CegarLoopResult]: For program point L705(lines 682 706) no Hoare annotation was computed. [2020-07-07 10:43:28,532 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 658 713) no Hoare annotation was computed. [2020-07-07 10:43:28,532 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-07-07 10:43:28,532 INFO L268 CegarLoopResult]: For program point L689-1(lines 689 693) no Hoare annotation was computed. [2020-07-07 10:43:28,532 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-07 10:43:28,532 INFO L268 CegarLoopResult]: For program point L683-2(lines 683 704) no Hoare annotation was computed. [2020-07-07 10:43:28,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 658 713) no Hoare annotation was computed. [2020-07-07 10:43:28,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 658 713) no Hoare annotation was computed. [2020-07-07 10:43:28,533 INFO L268 CegarLoopResult]: For program point L766(lines 739 767) no Hoare annotation was computed. [2020-07-07 10:43:28,533 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-07 10:43:28,533 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-07-07 10:43:28,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 714 773) no Hoare annotation was computed. [2020-07-07 10:43:28,533 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 714 773) no Hoare annotation was computed. [2020-07-07 10:43:28,534 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-07 10:43:28,534 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 714 773) no Hoare annotation was computed. [2020-07-07 10:43:28,534 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 750) no Hoare annotation was computed. [2020-07-07 10:43:28,534 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-07-07 10:43:28,534 INFO L268 CegarLoopResult]: For program point L740-2(lines 740 765) no Hoare annotation was computed. [2020-07-07 10:43:28,538 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-07 10:43:28,539 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-07 10:43:28,539 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:43:28,539 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-07 10:43:28,539 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:43:28,539 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:28,539 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2020-07-07 10:43:28,539 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2020-07-07 10:43:28,539 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:28,540 INFO L264 CegarLoopResult]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:28,540 INFO L268 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2020-07-07 10:43:28,540 INFO L268 CegarLoopResult]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2020-07-07 10:43:28,540 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-07 10:43:28,540 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:28,540 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:28,541 INFO L264 CegarLoopResult]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:28,541 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-07 10:43:28,541 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-07 10:43:28,541 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2020-07-07 10:43:28,542 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-07 10:43:28,542 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-07 10:43:28,542 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-07-07 10:43:28,542 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2020-07-07 10:43:28,542 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-07 10:43:28,542 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2020-07-07 10:43:28,542 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2020-07-07 10:43:28,543 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L271 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: true [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point L518-1(line 518) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-07-07 10:43:28,544 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 456 491) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 456 491) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 456 491) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 612 657) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 612 657) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 612 657) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 925 970) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point L945(lines 945 952) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point L939(lines 939 959) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 925 970) no Hoare annotation was computed. [2020-07-07 10:43:28,545 INFO L268 CegarLoopResult]: For program point L939-1(lines 939 959) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 925 970) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 436 446) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 436 446) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 436 446) no Hoare annotation was computed. [2020-07-07 10:43:28,546 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:28,546 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2020-07-07 10:43:28,547 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2020-07-07 10:43:28,547 INFO L268 CegarLoopResult]: For program point L311(lines 311 317) no Hoare annotation was computed. [2020-07-07 10:43:28,547 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2020-07-07 10:43:28,547 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2020-07-07 10:43:28,547 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2020-07-07 10:43:28,547 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:43:28,547 INFO L268 CegarLoopResult]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2020-07-07 10:43:28,547 INFO L264 CegarLoopResult]: At program point L409(line 409) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-07 10:43:28,547 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2020-07-07 10:43:28,547 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~3)) .cse1))) [2020-07-07 10:43:28,547 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-07 10:43:28,547 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-07-07 10:43:28,548 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-07 10:43:28,548 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-07-07 10:43:28,548 INFO L268 CegarLoopResult]: For program point L399(lines 399 416) no Hoare annotation was computed. [2020-07-07 10:43:28,548 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2020-07-07 10:43:28,548 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2020-07-07 10:43:28,548 INFO L264 CegarLoopResult]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:28,548 INFO L268 CegarLoopResult]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2020-07-07 10:43:28,548 INFO L264 CegarLoopResult]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:28,549 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-07-07 10:43:28,549 INFO L264 CegarLoopResult]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:28,549 INFO L268 CegarLoopResult]: For program point L550(lines 549 596) no Hoare annotation was computed. [2020-07-07 10:43:28,549 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:28,549 INFO L268 CegarLoopResult]: For program point L579(lines 579 592) no Hoare annotation was computed. [2020-07-07 10:43:28,549 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:28,549 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-07-07 10:43:28,549 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L264 CegarLoopResult]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:28,550 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point L893(lines 893 913) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 879 924) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 879 924) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 879 924) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2020-07-07 10:43:28,550 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2020-07-07 10:43:28,551 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2020-07-07 10:43:28,551 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0))) [2020-07-07 10:43:28,551 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-07 10:43:28,551 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-07 10:43:28,551 INFO L268 CegarLoopResult]: For program point L205(lines 205 215) no Hoare annotation was computed. [2020-07-07 10:43:28,551 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse3))) [2020-07-07 10:43:28,551 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-07 10:43:28,551 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-07 10:43:28,551 INFO L268 CegarLoopResult]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2020-07-07 10:43:28,551 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0))) [2020-07-07 10:43:28,551 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 275 297) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 275 297) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 275 297) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point L865(lines 865 872) no Hoare annotation was computed. [2020-07-07 10:43:28,552 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 776 878) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point L826(lines 825 845) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point L857-1(line 857) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point L822(lines 822 863) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 776 878) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point L800(lines 800 804) no Hoare annotation was computed. [2020-07-07 10:43:28,553 INFO L268 CegarLoopResult]: For program point L864(lines 864 875) no Hoare annotation was computed. [2020-07-07 10:43:28,554 INFO L268 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-07-07 10:43:28,554 INFO L268 CegarLoopResult]: For program point L825-2(lines 825 845) no Hoare annotation was computed. [2020-07-07 10:43:28,554 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 776 878) no Hoare annotation was computed. [2020-07-07 10:43:28,554 INFO L268 CegarLoopResult]: For program point L846(lines 824 847) no Hoare annotation was computed. [2020-07-07 10:43:28,554 INFO L268 CegarLoopResult]: For program point L805(lines 805 821) no Hoare annotation was computed. [2020-07-07 10:43:28,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:28,554 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string11.base)| |#t~string11.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |#t~string71.base| |old(#t~string71.base)|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string71.offset)| |#t~string71.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string11.offset)| |#t~string11.offset|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |old(#t~string26.offset)| |#t~string26.offset|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |old(#t~string66.base)| |#t~string66.base|) (= |old(#t~string70.base)| |#t~string70.base|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:43:28,554 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:28,554 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2020-07-07 10:43:28,555 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2020-07-07 10:43:28,555 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:28,555 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 298 306) no Hoare annotation was computed. [2020-07-07 10:43:28,555 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 298 306) no Hoare annotation was computed. [2020-07-07 10:43:28,555 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 298 306) no Hoare annotation was computed. [2020-07-07 10:43:28,555 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2020-07-07 10:43:28,555 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2020-07-07 10:43:28,555 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-07 10:43:28,555 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2020-07-07 10:43:28,555 INFO L271 CegarLoopResult]: At program point L499(line 499) the Hoare annotation is: true [2020-07-07 10:43:28,555 INFO L268 CegarLoopResult]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2020-07-07 10:43:28,556 INFO L268 CegarLoopResult]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-07-07 10:43:28,556 INFO L268 CegarLoopResult]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2020-07-07 10:43:28,556 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-07 10:43:28,556 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2020-07-07 10:43:28,556 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:28,556 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:43:28,556 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:28,556 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-07 10:43:28,556 INFO L264 CegarLoopResult]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (and (= 0 ~methAndRunningLastTime~0) .cse7 .cse3)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (<= 1 ~pumpRunning~0)) .cse5 .cse6) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse5 .cse6) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7 .cse4) .cse2 .cse6)))) [2020-07-07 10:43:28,557 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-07-07 10:43:28,557 INFO L268 CegarLoopResult]: For program point L341(lines 340 359) no Hoare annotation was computed. [2020-07-07 10:43:28,557 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:43:28,557 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2020-07-07 10:43:28,557 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2020-07-07 10:43:28,557 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2020-07-07 10:43:28,557 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-07-07 10:43:28,557 INFO L271 CegarLoopResult]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2020-07-07 10:43:28,557 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2020-07-07 10:43:28,557 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-07 10:43:28,557 INFO L271 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2020-07-07 10:43:28,558 INFO L271 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: true [2020-07-07 10:43:28,558 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-07-07 10:43:28,558 INFO L271 CegarLoopResult]: At program point L105(lines 80 109) the Hoare annotation is: true [2020-07-07 10:43:28,558 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-07 10:43:28,558 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2020-07-07 10:43:28,558 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2020-07-07 10:43:28,558 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2020-07-07 10:43:28,558 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:28,558 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2020-07-07 10:43:28,559 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2020-07-07 10:43:28,559 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2020-07-07 10:43:28,559 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2020-07-07 10:43:28,559 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:28,559 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:43:28,559 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:43:28,559 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:28,559 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2020-07-07 10:43:28,559 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))))) [2020-07-07 10:43:28,560 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2020-07-07 10:43:28,560 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:28,560 INFO L264 CegarLoopResult]: At program point L383(line 383) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:28,560 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2020-07-07 10:43:28,560 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-07 10:43:28,560 INFO L268 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2020-07-07 10:43:28,560 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:28,560 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-07-07 10:43:28,560 INFO L268 CegarLoopResult]: For program point L373(lines 373 390) no Hoare annotation was computed. [2020-07-07 10:43:28,560 INFO L264 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:28,560 INFO L268 CegarLoopResult]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2020-07-07 10:43:28,560 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2020-07-07 10:43:28,561 INFO L268 CegarLoopResult]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2020-07-07 10:43:28,561 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:43:28,561 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2020-07-07 10:43:28,561 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2020-07-07 10:43:28,561 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2020-07-07 10:43:28,561 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2020-07-07 10:43:28,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:43:28 BoogieIcfgContainer [2020-07-07 10:43:28,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:43:28,584 INFO L168 Benchmark]: Toolchain (without parser) took 70065.83 ms. Allocated memory was 138.4 MB in the beginning and 958.9 MB in the end (delta: 820.5 MB). Free memory was 101.3 MB in the beginning and 614.8 MB in the end (delta: -513.5 MB). Peak memory consumption was 819.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:28,585 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:43:28,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.82 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 170.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:28,586 INFO L168 Benchmark]: Boogie Preprocessor took 103.85 ms. Allocated memory is still 201.9 MB. Free memory was 170.9 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:28,587 INFO L168 Benchmark]: RCFGBuilder took 1302.78 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 196.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:28,588 INFO L168 Benchmark]: TraceAbstraction took 67983.85 ms. Allocated memory was 234.9 MB in the beginning and 958.9 MB in the end (delta: 724.0 MB). Free memory was 195.4 MB in the beginning and 614.8 MB in the end (delta: -419.4 MB). Peak memory consumption was 817.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:28,591 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.82 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 170.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.85 ms. Allocated memory is still 201.9 MB. Free memory was 170.9 MB in the beginning and 166.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1302.78 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 166.8 MB in the beginning and 196.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 67983.85 ms. Allocated memory was 234.9 MB in the beginning and 958.9 MB in the end (delta: 724.0 MB). Free memory was 195.4 MB in the beginning and 614.8 MB in the end (delta: -419.4 MB). Peak memory consumption was 817.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: (((((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1725 SDtfs, 3556 SDslu, 2158 SDs, 0 SdLazy, 7259 SolverSat, 2452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 879 SyntacticMatches, 8 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1410occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1309 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2319 PreInvPairs, 2409 NumberOfFragments, 1728 HoareAnnotationTreeSize, 2319 FomulaSimplifications, 1095377333 FormulaSimplificationTreeSizeReduction, 6.7s HoareSimplificationTime, 62 FomulaSimplificationsInter, 41092531 FormulaSimplificationTreeSizeReductionInter, 21.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1682 NumberOfCodeBlocks, 1682 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 550205 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2790 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 241/254 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...