/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_spec5_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:38:18,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:38:18,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:38:18,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:38:18,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:38:18,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:38:18,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:38:18,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:38:18,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:38:18,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:38:18,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:38:18,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:38:18,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:38:18,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:38:18,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:38:18,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:38:18,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:38:18,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:38:18,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:38:18,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:38:18,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:38:18,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:38:18,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:38:18,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:38:18,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:38:18,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:38:18,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:38:18,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:38:18,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:38:18,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:38:18,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:38:18,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:38:18,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:38:18,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:38:18,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:38:18,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:38:18,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:38:18,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:38:18,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:38:18,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:38:18,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:38:18,396 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 [2020-07-17 11:38:18,409 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:38:18,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:38:18,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:38:18,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:38:18,411 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:38:18,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:38:18,411 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:38:18,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:38:18,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:38:18,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:38:18,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:38:18,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:38:18,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:38:18,413 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:38:18,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:38:18,413 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:38:18,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:38:18,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:38:18,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:38:18,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:38:18,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:38:18,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:38:18,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:38:18,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:38:18,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:38:18,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:38:18,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:38:18,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:38:18,415 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:38:18,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:38:18,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:38:18,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:38:18,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:38:18,711 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:38:18,711 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:38:18,712 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-07-17 11:38:18,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d382864/652bef23ed7140c6b79fa94735be011c/FLAGab0025fde [2020-07-17 11:38:19,327 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:38:19,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2020-07-17 11:38:19,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d382864/652bef23ed7140c6b79fa94735be011c/FLAGab0025fde [2020-07-17 11:38:19,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d382864/652bef23ed7140c6b79fa94735be011c [2020-07-17 11:38:19,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:38:19,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:38:19,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:38:19,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:38:19,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:38:19,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f7739a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:19, skipping insertion in model container [2020-07-17 11:38:19,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:38:19" (1/1) ... [2020-07-17 11:38:19,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:38:19,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:38:20,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:38:20,114 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:38:20,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:38:20,234 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:38:20,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20 WrapperNode [2020-07-17 11:38:20,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:38:20,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:38:20,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:38:20,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:38:20,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (1/1) ... [2020-07-17 11:38:20,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (1/1) ... [2020-07-17 11:38:20,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (1/1) ... [2020-07-17 11:38:20,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (1/1) ... [2020-07-17 11:38:20,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (1/1) ... [2020-07-17 11:38:20,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (1/1) ... [2020-07-17 11:38:20,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (1/1) ... [2020-07-17 11:38:20,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:38:20,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:38:20,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:38:20,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:38:20,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (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 [2020-07-17 11:38:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:38:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:38:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:38:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:38:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:38:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:38:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:38:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:38:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:38:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:38:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:38:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:38:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:38:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:38:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:38:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:38:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:38:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:38:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:38:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:38:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:38:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:38:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:38:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:38:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:38:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:38:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:38:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:38:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:38:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:38:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:38:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:38:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:38:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:38:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:38:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:38:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:38:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:38:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:38:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:38:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:38:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:38:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:38:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:38:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:38:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:38:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:38:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:38:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:38:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:38:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:38:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:38:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:38:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:38:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:38:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:38:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:38:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:38:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:38:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:38:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:38:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:38:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:38:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:38:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:38:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:38:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:38:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:38:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:38:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:38:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:38:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:38:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:38:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:38:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:38:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:38:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:38:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:38:21,493 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:38:21,494 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:38:21,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:38:21 BoogieIcfgContainer [2020-07-17 11:38:21,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:38:21,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:38:21,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:38:21,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:38:21,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:38:19" (1/3) ... [2020-07-17 11:38:21,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a738a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:38:21, skipping insertion in model container [2020-07-17 11:38:21,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:38:20" (2/3) ... [2020-07-17 11:38:21,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a738a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:38:21, skipping insertion in model container [2020-07-17 11:38:21,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:38:21" (3/3) ... [2020-07-17 11:38:21,507 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-07-17 11:38:21,518 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:38:21,526 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:38:21,541 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:38:21,565 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:38:21,565 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:38:21,566 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:38:21,566 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:38:21,566 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:38:21,566 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:38:21,567 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:38:21,567 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:38:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-07-17 11:38:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:38:21,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:21,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:21,601 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:21,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:21,607 INFO L82 PathProgramCache]: Analyzing trace with hash -878720759, now seen corresponding path program 1 times [2020-07-17 11:38:21,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:21,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896934344] [2020-07-17 11:38:21,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,308 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:22,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896934344] [2020-07-17 11:38:22,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:22,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:38:22,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569957773] [2020-07-17 11:38:22,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:38:22,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:22,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:38:22,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:38:22,457 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 4 states. [2020-07-17 11:38:23,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:23,634 INFO L93 Difference]: Finished difference Result 318 states and 410 transitions. [2020-07-17 11:38:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:38:23,636 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:38:23,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:23,651 INFO L225 Difference]: With dead ends: 318 [2020-07-17 11:38:23,651 INFO L226 Difference]: Without dead ends: 175 [2020-07-17 11:38:23,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:38:23,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-17 11:38:23,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 144. [2020-07-17 11:38:23,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-17 11:38:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2020-07-17 11:38:23,749 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 59 [2020-07-17 11:38:23,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:23,750 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2020-07-17 11:38:23,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:38:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2020-07-17 11:38:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:38:23,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:23,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:23,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:38:23,755 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:23,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:23,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1980606616, now seen corresponding path program 1 times [2020-07-17 11:38:23,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:23,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987668630] [2020-07-17 11:38:23,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,153 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:24,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987668630] [2020-07-17 11:38:24,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:24,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:38:24,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128614139] [2020-07-17 11:38:24,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:38:24,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:24,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:38:24,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:38:24,256 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 5 states. [2020-07-17 11:38:24,738 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:25,728 INFO L93 Difference]: Finished difference Result 257 states and 314 transitions. [2020-07-17 11:38:25,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:38:25,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:38:25,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:25,739 INFO L225 Difference]: With dead ends: 257 [2020-07-17 11:38:25,739 INFO L226 Difference]: Without dead ends: 165 [2020-07-17 11:38:25,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:38:25,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-17 11:38:25,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 135. [2020-07-17 11:38:25,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-17 11:38:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2020-07-17 11:38:25,783 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 60 [2020-07-17 11:38:25,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:25,783 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2020-07-17 11:38:25,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:38:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2020-07-17 11:38:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 11:38:25,786 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:25,786 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:25,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:38:25,787 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:25,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:25,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1839911150, now seen corresponding path program 1 times [2020-07-17 11:38:25,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:25,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423537064] [2020-07-17 11:38:25,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,163 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:26,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423537064] [2020-07-17 11:38:26,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:26,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:26,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007926090] [2020-07-17 11:38:26,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:26,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:26,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:26,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:26,312 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 9 states. [2020-07-17 11:38:26,736 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:27,092 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:38:27,366 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:27,613 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:28,556 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:30,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:30,281 INFO L93 Difference]: Finished difference Result 450 states and 558 transitions. [2020-07-17 11:38:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:38:30,282 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-17 11:38:30,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:30,295 INFO L225 Difference]: With dead ends: 450 [2020-07-17 11:38:30,295 INFO L226 Difference]: Without dead ends: 343 [2020-07-17 11:38:30,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:38:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-07-17 11:38:30,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 290. [2020-07-17 11:38:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-17 11:38:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2020-07-17 11:38:30,380 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 64 [2020-07-17 11:38:30,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:30,380 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2020-07-17 11:38:30,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2020-07-17 11:38:30,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 11:38:30,383 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:30,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:30,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:38:30,384 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:30,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:30,384 INFO L82 PathProgramCache]: Analyzing trace with hash 423224560, now seen corresponding path program 1 times [2020-07-17 11:38:30,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:30,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384879134] [2020-07-17 11:38:30,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,710 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:38:30,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384879134] [2020-07-17 11:38:30,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:30,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:30,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343758783] [2020-07-17 11:38:30,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:30,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:30,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:30,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:30,808 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand 9 states. [2020-07-17 11:38:31,257 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:31,915 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:32,793 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:33,097 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:33,382 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:33,663 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:34,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:34,334 INFO L93 Difference]: Finished difference Result 739 states and 964 transitions. [2020-07-17 11:38:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:38:34,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-17 11:38:34,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:34,341 INFO L225 Difference]: With dead ends: 739 [2020-07-17 11:38:34,341 INFO L226 Difference]: Without dead ends: 477 [2020-07-17 11:38:34,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:38:34,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-07-17 11:38:34,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 413. [2020-07-17 11:38:34,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-07-17 11:38:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 499 transitions. [2020-07-17 11:38:34,427 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 499 transitions. Word has length 70 [2020-07-17 11:38:34,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:34,428 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 499 transitions. [2020-07-17 11:38:34,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 499 transitions. [2020-07-17 11:38:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-17 11:38:34,431 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:34,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:34,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:38:34,431 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:34,432 INFO L82 PathProgramCache]: Analyzing trace with hash -742421187, now seen corresponding path program 1 times [2020-07-17 11:38:34,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:34,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165876878] [2020-07-17 11:38:34,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,757 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:34,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165876878] [2020-07-17 11:38:34,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:34,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:38:34,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210952910] [2020-07-17 11:38:34,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:38:34,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:34,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:38:34,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:38:34,949 INFO L87 Difference]: Start difference. First operand 413 states and 499 transitions. Second operand 9 states. [2020-07-17 11:38:36,275 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:36,537 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:36,799 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:37,064 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:37,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:37,780 INFO L93 Difference]: Finished difference Result 884 states and 1127 transitions. [2020-07-17 11:38:37,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:38:37,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-17 11:38:37,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:37,786 INFO L225 Difference]: With dead ends: 884 [2020-07-17 11:38:37,786 INFO L226 Difference]: Without dead ends: 499 [2020-07-17 11:38:37,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:38:37,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-17 11:38:37,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 426. [2020-07-17 11:38:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-07-17 11:38:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 513 transitions. [2020-07-17 11:38:37,878 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 513 transitions. Word has length 92 [2020-07-17 11:38:37,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:37,878 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 513 transitions. [2020-07-17 11:38:37,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:38:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 513 transitions. [2020-07-17 11:38:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-17 11:38:37,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:37,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:37,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:38:37,881 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:37,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:37,881 INFO L82 PathProgramCache]: Analyzing trace with hash -40821313, now seen corresponding path program 1 times [2020-07-17 11:38:37,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:37,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035128168] [2020-07-17 11:38:37,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,147 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:38,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:38,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035128168] [2020-07-17 11:38:38,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:38,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:38:38,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125079547] [2020-07-17 11:38:38,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:38:38,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:38,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:38:38,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:38:38,296 INFO L87 Difference]: Start difference. First operand 426 states and 513 transitions. Second operand 11 states. [2020-07-17 11:38:38,827 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:39,063 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:39,288 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:40,022 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:40,306 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:40,559 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:41,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:41,427 INFO L93 Difference]: Finished difference Result 911 states and 1176 transitions. [2020-07-17 11:38:41,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:38:41,427 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-17 11:38:41,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:41,431 INFO L225 Difference]: With dead ends: 911 [2020-07-17 11:38:41,431 INFO L226 Difference]: Without dead ends: 513 [2020-07-17 11:38:41,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:38:41,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-07-17 11:38:41,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 434. [2020-07-17 11:38:41,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-17 11:38:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2020-07-17 11:38:41,508 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 92 [2020-07-17 11:38:41,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:41,508 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2020-07-17 11:38:41,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:38:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2020-07-17 11:38:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-17 11:38:41,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:41,510 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:41,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:38:41,511 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:41,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:41,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1684659584, now seen corresponding path program 1 times [2020-07-17 11:38:41,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:41,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7139673] [2020-07-17 11:38:41,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,775 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:41,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7139673] [2020-07-17 11:38:41,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:41,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:38:41,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573292413] [2020-07-17 11:38:41,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:38:41,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:38:41,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:38:41,985 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 7 states. [2020-07-17 11:38:42,560 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:43,061 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:45,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:45,123 INFO L93 Difference]: Finished difference Result 1379 states and 1792 transitions. [2020-07-17 11:38:45,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:38:45,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-07-17 11:38:45,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:45,134 INFO L225 Difference]: With dead ends: 1379 [2020-07-17 11:38:45,134 INFO L226 Difference]: Without dead ends: 973 [2020-07-17 11:38:45,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:38:45,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-07-17 11:38:45,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 899. [2020-07-17 11:38:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2020-07-17 11:38:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1095 transitions. [2020-07-17 11:38:45,375 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1095 transitions. Word has length 92 [2020-07-17 11:38:45,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:45,375 INFO L479 AbstractCegarLoop]: Abstraction has 899 states and 1095 transitions. [2020-07-17 11:38:45,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:38:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1095 transitions. [2020-07-17 11:38:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-17 11:38:45,379 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:45,379 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:45,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:38:45,380 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:45,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:45,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1838654426, now seen corresponding path program 1 times [2020-07-17 11:38:45,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:45,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256252964] [2020-07-17 11:38:45,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,745 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:38:45,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256252964] [2020-07-17 11:38:45,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:38:45,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:38:45,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870651177] [2020-07-17 11:38:45,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:38:45,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:45,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:38:45,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:38:45,915 INFO L87 Difference]: Start difference. First operand 899 states and 1095 transitions. Second operand 12 states. [2020-07-17 11:38:46,427 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:47,044 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:47,707 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:48,035 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:48,293 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:48,564 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:48,847 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:50,804 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:51,098 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:51,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:51,692 INFO L93 Difference]: Finished difference Result 2547 states and 3312 transitions. [2020-07-17 11:38:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-17 11:38:51,693 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-07-17 11:38:51,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:51,706 INFO L225 Difference]: With dead ends: 2547 [2020-07-17 11:38:51,707 INFO L226 Difference]: Without dead ends: 1864 [2020-07-17 11:38:51,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 11:38:51,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2020-07-17 11:38:52,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1570. [2020-07-17 11:38:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2020-07-17 11:38:52,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 1900 transitions. [2020-07-17 11:38:52,087 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 1900 transitions. Word has length 96 [2020-07-17 11:38:52,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:52,093 INFO L479 AbstractCegarLoop]: Abstraction has 1570 states and 1900 transitions. [2020-07-17 11:38:52,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:38:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1900 transitions. [2020-07-17 11:38:52,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-17 11:38:52,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:52,104 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:38:52,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:38:52,105 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:52,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:52,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1624055928, now seen corresponding path program 1 times [2020-07-17 11:38:52,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:52,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138922036] [2020-07-17 11:38:52,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,457 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-17 11:38:52,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138922036] [2020-07-17 11:38:52,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829813926] [2020-07-17 11:38:52,751 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 [2020-07-17 11:38:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:53,050 INFO L264 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:38:53,065 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:38:53,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:53,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:38:53,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669535815] [2020-07-17 11:38:53,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:38:53,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:53,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:38:53,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:38:53,286 INFO L87 Difference]: Start difference. First operand 1570 states and 1900 transitions. Second operand 20 states. [2020-07-17 11:38:54,064 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:54,406 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 11:38:54,724 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:38:54,990 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:38:55,644 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:38:55,880 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:56,225 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:38:56,688 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:38:57,871 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:58,737 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:38:59,061 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:59,437 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:00,109 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:00,534 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:01,138 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:39:01,619 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:02,138 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:02,823 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:03,467 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:39:03,778 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:04,060 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:39:04,359 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:04,624 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:04,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:04,897 INFO L93 Difference]: Finished difference Result 3433 states and 4303 transitions. [2020-07-17 11:39:04,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-17 11:39:04,898 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-07-17 11:39:04,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:04,912 INFO L225 Difference]: With dead ends: 3433 [2020-07-17 11:39:04,912 INFO L226 Difference]: Without dead ends: 2067 [2020-07-17 11:39:04,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=974, Invalid=4138, Unknown=0, NotChecked=0, Total=5112 [2020-07-17 11:39:04,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2020-07-17 11:39:05,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1841. [2020-07-17 11:39:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-07-17 11:39:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2184 transitions. [2020-07-17 11:39:05,350 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2184 transitions. Word has length 157 [2020-07-17 11:39:05,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:05,350 INFO L479 AbstractCegarLoop]: Abstraction has 1841 states and 2184 transitions. [2020-07-17 11:39:05,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:39:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2184 transitions. [2020-07-17 11:39:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-07-17 11:39:05,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:05,361 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:39:05,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-17 11:39:05,575 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:05,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:05,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1553804570, now seen corresponding path program 1 times [2020-07-17 11:39:05,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:05,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837326015] [2020-07-17 11:39:05,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:05,943 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 79 proven. 29 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2020-07-17 11:39:06,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837326015] [2020-07-17 11:39:06,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253432826] [2020-07-17 11:39:06,506 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 [2020-07-17 11:39:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:06,740 INFO L264 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-17 11:39:06,763 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-17 11:39:07,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:39:07,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-17 11:39:07,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263137301] [2020-07-17 11:39:07,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 11:39:07,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:07,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 11:39:07,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:39:07,021 INFO L87 Difference]: Start difference. First operand 1841 states and 2184 transitions. Second operand 24 states. [2020-07-17 11:39:07,580 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:08,381 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:09,119 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:09,654 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:39:10,176 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:39:10,450 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:10,724 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:11,054 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:11,370 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:11,694 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:12,711 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:13,046 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:16,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:16,647 INFO L93 Difference]: Finished difference Result 4673 states and 6332 transitions. [2020-07-17 11:39:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-17 11:39:16,648 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 277 [2020-07-17 11:39:16,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:16,666 INFO L225 Difference]: With dead ends: 4673 [2020-07-17 11:39:16,667 INFO L226 Difference]: Without dead ends: 2879 [2020-07-17 11:39:16,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 383 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2020-07-17 11:39:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2020-07-17 11:39:17,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2024. [2020-07-17 11:39:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2024 states. [2020-07-17 11:39:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2389 transitions. [2020-07-17 11:39:17,164 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2389 transitions. Word has length 277 [2020-07-17 11:39:17,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:17,165 INFO L479 AbstractCegarLoop]: Abstraction has 2024 states and 2389 transitions. [2020-07-17 11:39:17,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 11:39:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2389 transitions. [2020-07-17 11:39:17,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-07-17 11:39:17,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:17,174 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:39:17,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:39:17,388 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:17,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:17,389 INFO L82 PathProgramCache]: Analyzing trace with hash -716124732, now seen corresponding path program 1 times [2020-07-17 11:39:17,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:17,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740740827] [2020-07-17 11:39:17,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,747 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-07-17 11:39:18,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740740827] [2020-07-17 11:39:18,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647185182] [2020-07-17 11:39:18,249 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 [2020-07-17 11:39:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:18,583 INFO L264 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 11:39:18,601 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 235 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-17 11:39:18,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:39:18,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-17 11:39:18,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112540461] [2020-07-17 11:39:18,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 11:39:18,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:18,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 11:39:18,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:39:18,847 INFO L87 Difference]: Start difference. First operand 2024 states and 2389 transitions. Second operand 22 states. [2020-07-17 11:39:19,711 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:39:20,340 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 11:39:20,826 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:39:21,294 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:39:22,216 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:39:23,457 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:24,001 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:39:24,470 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:39:25,108 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:26,090 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:26,391 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:27,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:27,296 INFO L93 Difference]: Finished difference Result 3982 states and 4851 transitions. [2020-07-17 11:39:27,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 11:39:27,296 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 289 [2020-07-17 11:39:27,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:27,309 INFO L225 Difference]: With dead ends: 3982 [2020-07-17 11:39:27,309 INFO L226 Difference]: Without dead ends: 2181 [2020-07-17 11:39:27,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-17 11:39:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-07-17 11:39:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2026. [2020-07-17 11:39:27,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2020-07-17 11:39:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2385 transitions. [2020-07-17 11:39:27,708 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2385 transitions. Word has length 289 [2020-07-17 11:39:27,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:27,708 INFO L479 AbstractCegarLoop]: Abstraction has 2026 states and 2385 transitions. [2020-07-17 11:39:27,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 11:39:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2385 transitions. [2020-07-17 11:39:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-07-17 11:39:27,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:27,720 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:39:27,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-17 11:39:27,935 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:27,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:27,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1807502815, now seen corresponding path program 1 times [2020-07-17 11:39:27,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:27,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074514529] [2020-07-17 11:39:27,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,237 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-07-17 11:39:28,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074514529] [2020-07-17 11:39:28,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112263867] [2020-07-17 11:39:28,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:39:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:28,942 INFO L264 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-17 11:39:28,952 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-17 11:39:29,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:39:29,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-17 11:39:29,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979271108] [2020-07-17 11:39:29,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 11:39:29,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:29,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 11:39:29,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:39:29,191 INFO L87 Difference]: Start difference. First operand 2026 states and 2385 transitions. Second operand 17 states. [2020-07-17 11:39:29,809 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:30,479 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:32,324 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:39:32,582 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:39:32,844 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:33,096 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:33,833 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:34,134 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:34,397 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:34,715 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:34,966 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:37,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:37,443 INFO L93 Difference]: Finished difference Result 5300 states and 6837 transitions. [2020-07-17 11:39:37,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-17 11:39:37,444 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 290 [2020-07-17 11:39:37,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:37,464 INFO L225 Difference]: With dead ends: 5300 [2020-07-17 11:39:37,464 INFO L226 Difference]: Without dead ends: 3412 [2020-07-17 11:39:37,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 399 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-17 11:39:37,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2020-07-17 11:39:37,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 2611. [2020-07-17 11:39:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2611 states. [2020-07-17 11:39:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3070 transitions. [2020-07-17 11:39:37,964 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3070 transitions. Word has length 290 [2020-07-17 11:39:37,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:37,965 INFO L479 AbstractCegarLoop]: Abstraction has 2611 states and 3070 transitions. [2020-07-17 11:39:37,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 11:39:37,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3070 transitions. [2020-07-17 11:39:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-07-17 11:39:37,973 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:37,973 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:39:38,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:39:38,188 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:38,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1887015601, now seen corresponding path program 1 times [2020-07-17 11:39:38,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:38,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712251729] [2020-07-17 11:39:38,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,490 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2020-07-17 11:39:38,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712251729] [2020-07-17 11:39:38,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658320179] [2020-07-17 11:39:38,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:39:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:38,994 INFO L264 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-17 11:39:39,000 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-07-17 11:39:39,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:39:39,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2020-07-17 11:39:39,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042386758] [2020-07-17 11:39:39,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:39:39,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:39,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:39:39,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:39:39,062 INFO L87 Difference]: Start difference. First operand 2611 states and 3070 transitions. Second operand 3 states. [2020-07-17 11:39:39,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:39:39,387 INFO L93 Difference]: Finished difference Result 3112 states and 3674 transitions. [2020-07-17 11:39:39,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:39:39,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-07-17 11:39:39,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:39:39,394 INFO L225 Difference]: With dead ends: 3112 [2020-07-17 11:39:39,395 INFO L226 Difference]: Without dead ends: 1083 [2020-07-17 11:39:39,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:39:39,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-17 11:39:39,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1057. [2020-07-17 11:39:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-07-17 11:39:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1207 transitions. [2020-07-17 11:39:39,578 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1207 transitions. Word has length 337 [2020-07-17 11:39:39,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:39:39,579 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1207 transitions. [2020-07-17 11:39:39,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:39:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1207 transitions. [2020-07-17 11:39:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-17 11:39:39,583 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:39:39,583 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:39:39,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-17 11:39:39,798 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:39:39,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:39:39,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1470688312, now seen corresponding path program 1 times [2020-07-17 11:39:39,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:39:39,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825315164] [2020-07-17 11:39:39,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:39:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,117 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 143 proven. 56 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2020-07-17 11:39:40,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825315164] [2020-07-17 11:39:40,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631286826] [2020-07-17 11:39:40,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:39:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:39:41,000 INFO L264 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-17 11:39:41,008 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:39:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 212 proven. 49 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-07-17 11:39:41,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:39:41,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12] total 27 [2020-07-17 11:39:41,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533593439] [2020-07-17 11:39:41,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-17 11:39:41,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:39:41,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-17 11:39:41,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:39:41,373 INFO L87 Difference]: Start difference. First operand 1057 states and 1207 transitions. Second operand 27 states. [2020-07-17 11:39:42,100 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:43,081 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:44,109 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 11:39:44,990 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:45,630 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-17 11:39:46,187 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-17 11:39:46,730 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:39:47,287 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:39:47,788 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:39:49,184 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-17 11:39:50,161 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:39:50,498 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:39:50,796 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:51,139 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:39:51,582 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:39:52,097 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 11:39:52,590 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 11:39:53,551 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-07-17 11:39:54,189 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-17 11:39:54,724 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-17 11:39:55,239 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-17 11:39:56,057 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 11:39:56,640 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-17 11:39:57,170 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-07-17 11:39:57,851 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:39:58,460 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-17 11:39:59,123 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:39:59,648 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 11:40:00,188 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 11:40:00,884 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:40:01,562 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:40:01,883 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:40:02,201 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:40:02,648 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:40:03,225 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 11:40:03,749 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 11:40:06,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:40:06,119 INFO L93 Difference]: Finished difference Result 2362 states and 2840 transitions. [2020-07-17 11:40:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-07-17 11:40:06,120 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 358 [2020-07-17 11:40:06,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:40:06,122 INFO L225 Difference]: With dead ends: 2362 [2020-07-17 11:40:06,122 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:40:06,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 495 SyntacticMatches, 8 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3543 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=1973, Invalid=9157, Unknown=0, NotChecked=0, Total=11130 [2020-07-17 11:40:06,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:40:06,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:40:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:40:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:40:06,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-07-17 11:40:06,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:40:06,133 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:40:06,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-17 11:40:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:40:06,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:40:06,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:40:06,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:40:06,475 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-07-17 11:40:07,202 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-07-17 11:40:09,777 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-07-17 11:40:14,534 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 342 [2020-07-17 11:40:15,116 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 311 [2020-07-17 11:40:18,145 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 301 [2020-07-17 11:40:22,021 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 400 [2020-07-17 11:40:24,063 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 604 DAG size of output: 405 [2020-07-17 11:40:26,705 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 28 [2020-07-17 11:40:26,895 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:27,136 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-17 11:40:27,507 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:40:27,705 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:28,789 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 194 DAG size of output: 33 [2020-07-17 11:40:28,960 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-17 11:40:29,788 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 33 [2020-07-17 11:40:30,035 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-07-17 11:40:30,413 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 26 [2020-07-17 11:40:30,639 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:40:30,867 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:32,294 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 307 DAG size of output: 40 [2020-07-17 11:40:32,529 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-07-17 11:40:32,960 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 1 [2020-07-17 11:40:34,202 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 268 DAG size of output: 34 [2020-07-17 11:40:35,195 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 35 [2020-07-17 11:40:35,379 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-17 11:40:35,541 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2020-07-17 11:40:36,225 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 35 [2020-07-17 11:40:37,510 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 231 DAG size of output: 31 [2020-07-17 11:40:38,127 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 25 [2020-07-17 11:40:39,378 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 294 DAG size of output: 31 [2020-07-17 11:40:40,139 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 30 [2020-07-17 11:40:40,317 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-17 11:40:41,415 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 171 DAG size of output: 58 [2020-07-17 11:40:42,699 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 244 DAG size of output: 32 [2020-07-17 11:40:43,484 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 28 [2020-07-17 11:40:44,355 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 27 [2020-07-17 11:40:45,108 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 29 [2020-07-17 11:40:45,898 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 18 [2020-07-17 11:40:46,089 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:46,955 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 27 [2020-07-17 11:40:47,155 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-17 11:40:47,357 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-17 11:40:47,535 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-17 11:40:47,788 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-17 11:40:47,978 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-07-17 11:40:48,993 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 35 [2020-07-17 11:40:49,507 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 35 [2020-07-17 11:40:49,759 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-07-17 11:40:51,782 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 309 DAG size of output: 33 [2020-07-17 11:40:52,395 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 25 [2020-07-17 11:40:53,041 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 47 [2020-07-17 11:40:53,214 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-17 11:40:53,773 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 23 [2020-07-17 11:40:55,949 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 339 DAG size of output: 37 [2020-07-17 11:40:56,110 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-17 11:40:56,357 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-07-17 11:40:57,720 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 283 DAG size of output: 31 [2020-07-17 11:40:57,727 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-07-17 11:40:57,727 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-07-17 11:40:57,727 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-07-17 11:40:57,727 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-07-17 11:40:57,727 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-07-17 11:40:57,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-07-17 11:40:57,729 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-17 11:40:57,729 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-07-17 11:40:57,729 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2020-07-17 11:40:57,729 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2020-07-17 11:40:57,729 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2020-07-17 11:40:57,729 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2020-07-17 11:40:57,729 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2020-07-17 11:40:57,730 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:40:57,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2020-07-17 11:40:57,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2020-07-17 11:40:57,730 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse3 .cse4) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 (not (<= ~waterLevel~0 1)) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-17 11:40:57,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2020-07-17 11:40:57,730 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-17 11:40:57,730 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2020-07-17 11:40:57,731 INFO L264 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse3 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2020-07-17 11:40:57,731 INFO L268 CegarLoopResult]: For program point L985(lines 985 991) no Hoare annotation was computed. [2020-07-17 11:40:57,731 INFO L268 CegarLoopResult]: For program point L984(lines 984 994) no Hoare annotation was computed. [2020-07-17 11:40:57,731 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse6 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse5 .cse0 .cse7 .cse2) (or .cse7 (not (= 2 ~waterLevel~0)) .cse2) (or .cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse6 .cse4 .cse3))) [2020-07-17 11:40:57,731 INFO L268 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-07-17 11:40:57,731 INFO L268 CegarLoopResult]: For program point L980(lines 980 997) no Hoare annotation was computed. [2020-07-17 11:40:57,732 INFO L268 CegarLoopResult]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2020-07-17 11:40:57,732 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-17 11:40:57,732 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-17 11:40:57,732 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2020-07-17 11:40:57,732 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2020-07-17 11:40:57,732 INFO L264 CegarLoopResult]: At program point L354-1(line 354) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,732 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 348 370) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,732 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2020-07-17 11:40:57,733 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2020-07-17 11:40:57,733 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,733 INFO L264 CegarLoopResult]: At program point L360-1(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,733 INFO L268 CegarLoopResult]: For program point L358(lines 358 365) no Hoare annotation was computed. [2020-07-17 11:40:57,733 INFO L268 CegarLoopResult]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2020-07-17 11:40:57,733 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-17 11:40:57,733 INFO L264 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,733 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,733 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 301 324) no Hoare annotation was computed. [2020-07-17 11:40:57,733 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-07-17 11:40:57,733 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-07-17 11:40:57,733 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 301 324) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L316(line 316) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 301 324) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L315(line 315) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2020-07-17 11:40:57,734 INFO L268 CegarLoopResult]: For program point L256(lines 256 262) no Hoare annotation was computed. [2020-07-17 11:40:57,735 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 252 266) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 |old(~systemActive~0)|)) (.cse2 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-17 11:40:57,735 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2020-07-17 11:40:57,735 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3))) [2020-07-17 11:40:57,735 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-17 11:40:57,735 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-07-17 11:40:57,735 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-17 11:40:57,735 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-17 11:40:57,735 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-17 11:40:57,735 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-17 11:40:57,735 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-17 11:40:57,735 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-07-17 11:40:57,736 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-07-17 11:40:57,737 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-07-17 11:40:57,738 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-07-17 11:40:57,738 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 334 344) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,738 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2020-07-17 11:40:57,738 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2020-07-17 11:40:57,738 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,738 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 158 168) no Hoare annotation was computed. [2020-07-17 11:40:57,738 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-07-17 11:40:57,738 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-07-17 11:40:57,739 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-17 11:40:57,739 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-17 11:40:57,739 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse2 .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3))) [2020-07-17 11:40:57,739 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-17 11:40:57,739 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-17 11:40:57,739 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-07-17 11:40:57,739 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2020-07-17 11:40:57,739 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2020-07-17 11:40:57,739 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2020-07-17 11:40:57,740 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse4 (and .cse3 (not (= 0 ~waterLevel~0))) (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-17 11:40:57,740 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-17 11:40:57,740 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2020-07-17 11:40:57,740 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-17 11:40:57,740 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-17 11:40:57,740 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-17 11:40:57,740 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3))) [2020-07-17 11:40:57,741 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-17 11:40:57,741 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-17 11:40:57,741 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse2 (not (= 1 ~waterLevel~0)) .cse3 .cse4 .cse1))) [2020-07-17 11:40:57,741 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-17 11:40:57,741 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-17 11:40:57,741 INFO L268 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2020-07-17 11:40:57,741 INFO L264 CegarLoopResult]: At program point testENTRY(lines 372 437) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,741 INFO L268 CegarLoopResult]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2020-07-17 11:40:57,742 INFO L264 CegarLoopResult]: At program point L430(lines 381 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:40:57,742 INFO L264 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:40:57,742 INFO L268 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-07-17 11:40:57,742 INFO L264 CegarLoopResult]: At program point L418-1(lines 412 425) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 2) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse6 .cse4) (and .cse0 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse6 .cse4 .cse5))) [2020-07-17 11:40:57,742 INFO L268 CegarLoopResult]: For program point L383(lines 382 429) no Hoare annotation was computed. [2020-07-17 11:40:57,742 INFO L268 CegarLoopResult]: For program point L412(lines 412 425) no Hoare annotation was computed. [2020-07-17 11:40:57,742 INFO L264 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-17 11:40:57,743 INFO L268 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-07-17 11:40:57,743 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2020-07-17 11:40:57,743 INFO L264 CegarLoopResult]: At program point L427(lines 382 429) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-17 11:40:57,743 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-17 11:40:57,743 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-07-17 11:40:57,743 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2020-07-17 11:40:57,743 INFO L268 CegarLoopResult]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2020-07-17 11:40:57,743 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-07-17 11:40:57,744 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 888 910) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 888 910) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 888 910) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 440 449) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 440 449) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 440 449) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-17 11:40:57,745 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-07-17 11:40:57,746 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-07-17 11:40:57,747 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-07-17 11:40:57,747 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-07-17 11:40:57,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:40:57,747 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:40:57,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:40:57,747 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-07-17 11:40:57,748 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-07-17 11:40:57,748 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:40:57,748 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-07-17 11:40:57,748 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-17 11:40:57,748 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-07-17 11:40:57,748 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-07-17 11:40:57,748 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-07-17 11:40:57,748 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-07-17 11:40:57,748 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-07-17 11:40:57,749 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2020-07-17 11:40:57,749 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2020-07-17 11:40:57,749 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2020-07-17 11:40:57,749 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse1 .cse2) (or .cse3 .cse0 (not (= 0 ~systemActive~0)) .cse4))) [2020-07-17 11:40:57,749 INFO L268 CegarLoopResult]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2020-07-17 11:40:57,749 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2020-07-17 11:40:57,749 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:40:57,749 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:40:57,750 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:40:57,750 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 879 887) no Hoare annotation was computed. [2020-07-17 11:40:57,750 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 879 887) no Hoare annotation was computed. [2020-07-17 11:40:57,750 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2020-07-17 11:40:57,750 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse3 .cse4 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse4 .cse1 .cse2))) [2020-07-17 11:40:57,750 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-17 11:40:57,750 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-17 11:40:57,750 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse3 (not (= 0 ~systemActive~0)) .cse4 .cse5) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2)))) [2020-07-17 11:40:57,751 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-17 11:40:57,751 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 0 ~waterLevel~0)) (.cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse2) .cse0 .cse1 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse5 (<= ~waterLevel~0 0) .cse2) .cse8 .cse3) (or .cse8 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse6 .cse7 (not (= 0 ~waterLevel~0))) .cse3))) [2020-07-17 11:40:57,751 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-17 11:40:57,751 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse1 (= 1 ~waterLevel~0)) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 0))) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (and .cse0 .cse13)) (.cse11 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse5 (not (= 0 ~systemActive~0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse7 (and .cse8 .cse9 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse10 .cse3 .cse4) (or .cse11 .cse10 (and .cse8 .cse9 .cse1) (and .cse0 .cse12 .cse1) .cse4) (or .cse7 .cse10 .cse6 (and .cse0 .cse12 .cse13 (not (= 0 ~waterLevel~0))) (and .cse8 .cse9 .cse13) .cse4) (or .cse5 (and .cse13 (<= 1 ~pumpRunning~0)) .cse11 .cse2 .cse4)))) [2020-07-17 11:40:57,751 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2020-07-17 11:40:57,751 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: true [2020-07-17 11:40:57,752 INFO L268 CegarLoopResult]: For program point L283(lines 283 287) no Hoare annotation was computed. [2020-07-17 11:40:57,752 INFO L271 CegarLoopResult]: At program point L283-1(lines 283 287) the Hoare annotation is: true [2020-07-17 11:40:57,752 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-07-17 11:40:57,752 INFO L271 CegarLoopResult]: At program point L279-2(lines 279 293) the Hoare annotation is: true [2020-07-17 11:40:57,752 INFO L271 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: true [2020-07-17 11:40:57,752 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-17 11:40:57,752 INFO L271 CegarLoopResult]: At program point L294(lines 269 298) the Hoare annotation is: true [2020-07-17 11:40:57,752 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-17 11:40:57,753 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:40:57,753 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-07-17 11:40:57,753 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-07-17 11:40:57,753 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2020-07-17 11:40:57,753 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2020-07-17 11:40:57,753 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:40:57,753 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:40:57,753 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:40:57,753 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:40:57,754 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1))) [2020-07-17 11:40:57,754 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3))) [2020-07-17 11:40:57,754 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-17 11:40:57,754 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-17 11:40:57,754 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-17 11:40:57,754 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2))) [2020-07-17 11:40:57,754 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-17 11:40:57,755 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse3))) [2020-07-17 11:40:57,755 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2) (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse2))) [2020-07-17 11:40:57,755 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-17 11:40:57,755 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2020-07-17 11:40:57,755 INFO L268 CegarLoopResult]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2020-07-17 11:40:57,755 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse3 .cse0 .cse4) (or .cse3 .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse0 .cse4 .cse2))) [2020-07-17 11:40:57,755 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2020-07-17 11:40:57,756 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2020-07-17 11:40:57,756 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2020-07-17 11:40:57,756 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2020-07-17 11:40:57,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:40:57 BoogieIcfgContainer [2020-07-17 11:40:57,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:40:57,775 INFO L168 Benchmark]: Toolchain (without parser) took 158161.73 ms. Allocated memory was 145.2 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 101.8 MB in the beginning and 383.7 MB in the end (delta: -281.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-17 11:40:57,776 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:40:57,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.40 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 169.5 MB in the end (delta: -68.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:40:57,777 INFO L168 Benchmark]: Boogie Preprocessor took 90.35 ms. Allocated memory is still 202.4 MB. Free memory was 169.5 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:40:57,778 INFO L168 Benchmark]: RCFGBuilder took 1173.05 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 193.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:40:57,778 INFO L168 Benchmark]: TraceAbstraction took 156273.54 ms. Allocated memory was 235.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 191.5 MB in the beginning and 383.7 MB in the end (delta: -192.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-17 11:40:57,780 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 619.40 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 169.5 MB in the end (delta: -68.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.35 ms. Allocated memory is still 202.4 MB. Free memory was 169.5 MB in the beginning and 165.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1173.05 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 193.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 156273.54 ms. Allocated memory was 235.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 191.5 MB in the beginning and 383.7 MB in the end (delta: -192.2 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 251 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 104.7s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 88.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 51.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2464 SDtfs, 6899 SDslu, 5425 SDs, 0 SdLazy, 24213 SolverSat, 5592 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3034 GetRequests, 2573 SyntacticMatches, 14 SemanticMatches, 447 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7570 ImplicationChecksByTransitivity, 48.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2611occurred 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: 3.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 2761 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 5423 PreInvPairs, 5833 NumberOfFragments, 2492 HoareAnnotationTreeSize, 5423 FomulaSimplifications, 1430938577 FormulaSimplificationTreeSizeReduction, 19.4s HoareSimplificationTime, 64 FomulaSimplificationsInter, 6802052 FormulaSimplificationTreeSizeReductionInter, 31.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 4041 NumberOfCodeBlocks, 4041 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4021 ConstructedInterpolants, 0 QuantifiedInterpolants, 2196125 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7455 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 3699/3938 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...