/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:05:08,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:05:08,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:05:08,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:05:08,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:05:08,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:05:08,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:05:08,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:05:08,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:05:08,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:05:08,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:05:08,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:05:08,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:05:08,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:05:08,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:05:08,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:05:08,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:05:08,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:05:08,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:05:08,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:05:08,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:05:08,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:05:08,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:05:08,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:05:08,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:05:08,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:05:08,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:05:08,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:05:08,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:05:08,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:05:08,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:05:08,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:05:08,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:05:08,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:05:08,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:05:08,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:05:08,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:05:08,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:05:08,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:05:08,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:05:08,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:05:08,290 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 [2020-08-22 16:05:08,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:05:08,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:05:08,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:05:08,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:05:08,313 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:05:08,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:05:08,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:05:08,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:05:08,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:05:08,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:05:08,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:05:08,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:05:08,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:05:08,315 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:05:08,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:05:08,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:05:08,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:05:08,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:05:08,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:05:08,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:05:08,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:05:08,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:05:08,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:05:08,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:05:08,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:05:08,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:05:08,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:05:08,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:05:08,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:05:08,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:05:08,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:05:08,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:05:08,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:05:08,613 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:05:08,613 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:05:08,614 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-08-22 16:05:08,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812758b03/697f51e49a4d41c8b5714effab415d60/FLAG135ce2adf [2020-08-22 16:05:09,224 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:05:09,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-08-22 16:05:09,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812758b03/697f51e49a4d41c8b5714effab415d60/FLAG135ce2adf [2020-08-22 16:05:09,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/812758b03/697f51e49a4d41c8b5714effab415d60 [2020-08-22 16:05:09,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:05:09,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:05:09,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:05:09,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:05:09,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:05:09,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:05:09" (1/1) ... [2020-08-22 16:05:09,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ddcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:09, skipping insertion in model container [2020-08-22 16:05:09,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:05:09" (1/1) ... [2020-08-22 16:05:09,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:05:09,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:05:10,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:05:10,108 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:05:10,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:05:10,311 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:05:10,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10 WrapperNode [2020-08-22 16:05:10,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:05:10,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:05:10,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:05:10,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:05:10,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (1/1) ... [2020-08-22 16:05:10,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (1/1) ... [2020-08-22 16:05:10,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (1/1) ... [2020-08-22 16:05:10,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (1/1) ... [2020-08-22 16:05:10,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (1/1) ... [2020-08-22 16:05:10,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (1/1) ... [2020-08-22 16:05:10,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (1/1) ... [2020-08-22 16:05:10,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:05:10,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:05:10,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:05:10,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:05:10,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (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 [2020-08-22 16:05:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:05:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:05:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 16:05:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 16:05:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 16:05:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 16:05:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 16:05:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 16:05:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 16:05:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 16:05:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 16:05:10,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 16:05:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 16:05:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:05:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 16:05:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 16:05:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 16:05:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 16:05:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 16:05:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 16:05:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 16:05:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 16:05:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 16:05:10,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 16:05:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 16:05:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 16:05:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 16:05:10,592 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 16:05:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 16:05:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 16:05:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 16:05:10,593 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 16:05:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 16:05:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 16:05:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 16:05:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 16:05:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 16:05:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 16:05:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 16:05:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 16:05:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 16:05:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 16:05:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 16:05:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 16:05:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:05:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:05:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 16:05:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 16:05:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 16:05:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 16:05:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 16:05:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 16:05:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 16:05:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 16:05:10,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 16:05:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 16:05:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:05:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 16:05:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 16:05:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 16:05:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 16:05:10,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 16:05:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:05:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 16:05:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 16:05:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 16:05:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 16:05:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 16:05:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 16:05:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 16:05:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 16:05:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 16:05:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 16:05:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 16:05:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 16:05:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 16:05:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 16:05:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:05:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 16:05:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 16:05:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 16:05:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 16:05:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 16:05:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 16:05:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 16:05:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 16:05:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 16:05:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 16:05:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 16:05:10,605 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 16:05:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 16:05:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 16:05:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 16:05:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 16:05:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 16:05:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 16:05:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 16:05:10,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 16:05:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 16:05:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:05:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 16:05:10,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:05:11,758 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:05:11,759 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 16:05:11,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:05:11 BoogieIcfgContainer [2020-08-22 16:05:11,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:05:11,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:05:11,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:05:11,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:05:11,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:05:09" (1/3) ... [2020-08-22 16:05:11,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ac747f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:05:11, skipping insertion in model container [2020-08-22 16:05:11,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:05:10" (2/3) ... [2020-08-22 16:05:11,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ac747f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:05:11, skipping insertion in model container [2020-08-22 16:05:11,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:05:11" (3/3) ... [2020-08-22 16:05:11,779 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2020-08-22 16:05:11,789 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:05:11,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:05:11,816 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:05:11,847 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:05:11,848 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:05:11,848 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:05:11,848 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:05:11,848 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:05:11,848 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:05:11,848 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:05:11,849 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:05:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-08-22 16:05:11,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 16:05:11,882 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:11,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:11,883 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:11,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:11,889 INFO L82 PathProgramCache]: Analyzing trace with hash -519940638, now seen corresponding path program 1 times [2020-08-22 16:05:11,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:11,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333718252] [2020-08-22 16:05:11,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,548 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:12,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 16:05:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 16:05:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:05:12,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333718252] [2020-08-22 16:05:12,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:12,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:05:12,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334204622] [2020-08-22 16:05:12,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:05:12,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:12,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:05:12,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:05:12,712 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2020-08-22 16:05:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:14,020 INFO L93 Difference]: Finished difference Result 354 states and 460 transitions. [2020-08-22 16:05:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 16:05:14,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 16:05:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:14,038 INFO L225 Difference]: With dead ends: 354 [2020-08-22 16:05:14,039 INFO L226 Difference]: Without dead ends: 196 [2020-08-22 16:05:14,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:05:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-08-22 16:05:14,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2020-08-22 16:05:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-08-22 16:05:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-08-22 16:05:14,147 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2020-08-22 16:05:14,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:14,148 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-08-22 16:05:14,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:05:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-08-22 16:05:14,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 16:05:14,152 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:14,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:14,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:05:14,153 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:14,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:14,153 INFO L82 PathProgramCache]: Analyzing trace with hash -183354494, now seen corresponding path program 1 times [2020-08-22 16:05:14,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:14,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911695164] [2020-08-22 16:05:14,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,493 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:14,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 16:05:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 16:05:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:05:14,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911695164] [2020-08-22 16:05:14,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:14,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 16:05:14,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833536832] [2020-08-22 16:05:14,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:05:14,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:14,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:05:14,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:05:14,596 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 5 states. [2020-08-22 16:05:15,064 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:16,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:16,245 INFO L93 Difference]: Finished difference Result 295 states and 367 transitions. [2020-08-22 16:05:16,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:05:16,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 16:05:16,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:16,250 INFO L225 Difference]: With dead ends: 295 [2020-08-22 16:05:16,251 INFO L226 Difference]: Without dead ends: 186 [2020-08-22 16:05:16,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:05:16,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-08-22 16:05:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-08-22 16:05:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-08-22 16:05:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-08-22 16:05:16,324 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2020-08-22 16:05:16,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:16,324 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-08-22 16:05:16,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:05:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-08-22 16:05:16,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 16:05:16,327 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:16,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:16,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:05:16,327 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:16,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:16,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1707012514, now seen corresponding path program 1 times [2020-08-22 16:05:16,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:16,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174367841] [2020-08-22 16:05:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,641 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:16,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 16:05:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 16:05:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:05:16,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174367841] [2020-08-22 16:05:16,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:16,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:05:16,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178349597] [2020-08-22 16:05:16,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:05:16,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:16,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:05:16,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:05:16,742 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 9 states. [2020-08-22 16:05:17,126 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:05:17,446 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:17,711 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:17,943 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:19,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:19,418 INFO L93 Difference]: Finished difference Result 308 states and 386 transitions. [2020-08-22 16:05:19,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:05:19,419 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-22 16:05:19,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:19,423 INFO L225 Difference]: With dead ends: 308 [2020-08-22 16:05:19,423 INFO L226 Difference]: Without dead ends: 186 [2020-08-22 16:05:19,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:05:19,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-08-22 16:05:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-08-22 16:05:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-08-22 16:05:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-08-22 16:05:19,469 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2020-08-22 16:05:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:19,470 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-08-22 16:05:19,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:05:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-08-22 16:05:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-08-22 16:05:19,473 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:19,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:19,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:05:19,474 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:19,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:19,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1819519357, now seen corresponding path program 1 times [2020-08-22 16:05:19,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:19,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53562075] [2020-08-22 16:05:19,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,813 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 16:05:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-22 16:05:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-22 16:05:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:05:19,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53562075] [2020-08-22 16:05:19,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:19,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:05:19,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259271584] [2020-08-22 16:05:19,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 16:05:19,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:19,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 16:05:19,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:05:19,931 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 7 states. [2020-08-22 16:05:20,307 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:05:21,593 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:22,610 INFO L93 Difference]: Finished difference Result 418 states and 526 transitions. [2020-08-22 16:05:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 16:05:22,613 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-08-22 16:05:22,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:22,617 INFO L225 Difference]: With dead ends: 418 [2020-08-22 16:05:22,617 INFO L226 Difference]: Without dead ends: 296 [2020-08-22 16:05:22,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:05:22,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-08-22 16:05:22,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 247. [2020-08-22 16:05:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-08-22 16:05:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2020-08-22 16:05:22,673 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2020-08-22 16:05:22,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:22,674 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2020-08-22 16:05:22,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 16:05:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2020-08-22 16:05:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-22 16:05:22,678 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:22,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:22,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:05:22,679 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:22,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:22,679 INFO L82 PathProgramCache]: Analyzing trace with hash 948942276, now seen corresponding path program 1 times [2020-08-22 16:05:22,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:22,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630848758] [2020-08-22 16:05:22,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,028 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:23,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 16:05:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:05:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 16:05:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 16:05:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:05:23,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630848758] [2020-08-22 16:05:23,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:23,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 16:05:23,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019945011] [2020-08-22 16:05:23,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:05:23,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:23,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:05:23,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:05:23,208 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 9 states. [2020-08-22 16:05:23,599 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:05:24,699 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:25,068 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:05:25,692 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:25,944 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:27,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:27,385 INFO L93 Difference]: Finished difference Result 737 states and 912 transitions. [2020-08-22 16:05:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 16:05:27,387 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-08-22 16:05:27,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:27,391 INFO L225 Difference]: With dead ends: 737 [2020-08-22 16:05:27,391 INFO L226 Difference]: Without dead ends: 518 [2020-08-22 16:05:27,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 16:05:27,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-08-22 16:05:27,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 442. [2020-08-22 16:05:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-08-22 16:05:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2020-08-22 16:05:27,495 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2020-08-22 16:05:27,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:27,495 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2020-08-22 16:05:27,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:05:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2020-08-22 16:05:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-08-22 16:05:27,497 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:27,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:27,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:05:27,498 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:27,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1944159016, now seen corresponding path program 1 times [2020-08-22 16:05:27,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:27,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664912065] [2020-08-22 16:05:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,800 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:27,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:05:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:05:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:05:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 16:05:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 16:05:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:05:27,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664912065] [2020-08-22 16:05:27,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:27,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 16:05:27,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755982935] [2020-08-22 16:05:27,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:05:27,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:27,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:05:27,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:05:27,977 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 10 states. [2020-08-22 16:05:28,409 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:05:29,704 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:05:30,988 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:31,230 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:31,491 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:31,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:31,950 INFO L93 Difference]: Finished difference Result 970 states and 1183 transitions. [2020-08-22 16:05:31,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 16:05:31,951 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-08-22 16:05:31,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:31,958 INFO L225 Difference]: With dead ends: 970 [2020-08-22 16:05:31,958 INFO L226 Difference]: Without dead ends: 556 [2020-08-22 16:05:31,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-08-22 16:05:31,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-08-22 16:05:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 441. [2020-08-22 16:05:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-22 16:05:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2020-08-22 16:05:32,089 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2020-08-22 16:05:32,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:32,092 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2020-08-22 16:05:32,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:05:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2020-08-22 16:05:32,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-08-22 16:05:32,094 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:32,095 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:32,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 16:05:32,095 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:32,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:32,096 INFO L82 PathProgramCache]: Analyzing trace with hash -412136482, now seen corresponding path program 1 times [2020-08-22 16:05:32,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:32,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498869240] [2020-08-22 16:05:32,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,476 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:32,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:05:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:05:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:05:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 16:05:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 16:05:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:05:32,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498869240] [2020-08-22 16:05:32,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:32,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 16:05:32,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079360989] [2020-08-22 16:05:32,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:05:32,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:32,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:05:32,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:05:32,736 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 10 states. [2020-08-22 16:05:33,871 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 16:05:34,129 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 16:05:34,380 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:34,621 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:36,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:36,023 INFO L93 Difference]: Finished difference Result 977 states and 1216 transitions. [2020-08-22 16:05:36,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:05:36,028 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-08-22 16:05:36,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:36,034 INFO L225 Difference]: With dead ends: 977 [2020-08-22 16:05:36,034 INFO L226 Difference]: Without dead ends: 564 [2020-08-22 16:05:36,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-08-22 16:05:36,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-22 16:05:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 451. [2020-08-22 16:05:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-08-22 16:05:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2020-08-22 16:05:36,122 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2020-08-22 16:05:36,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:36,123 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2020-08-22 16:05:36,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:05:36,123 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2020-08-22 16:05:36,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-08-22 16:05:36,125 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:36,125 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:36,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 16:05:36,126 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1527025564, now seen corresponding path program 1 times [2020-08-22 16:05:36,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:36,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33276024] [2020-08-22 16:05:36,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,386 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:36,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:05:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:05:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:05:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 16:05:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 16:05:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:05:36,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33276024] [2020-08-22 16:05:36,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:36,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 16:05:36,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109364554] [2020-08-22 16:05:36,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:05:36,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:36,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:05:36,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:05:36,570 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 12 states. [2020-08-22 16:05:37,148 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:37,393 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:37,625 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:38,332 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:38,582 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:38,811 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 16:05:40,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:40,308 INFO L93 Difference]: Finished difference Result 997 states and 1238 transitions. [2020-08-22 16:05:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 16:05:40,309 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 109 [2020-08-22 16:05:40,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:40,313 INFO L225 Difference]: With dead ends: 997 [2020-08-22 16:05:40,313 INFO L226 Difference]: Without dead ends: 574 [2020-08-22 16:05:40,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-08-22 16:05:40,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-08-22 16:05:40,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 459. [2020-08-22 16:05:40,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-08-22 16:05:40,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2020-08-22 16:05:40,395 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2020-08-22 16:05:40,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:40,395 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2020-08-22 16:05:40,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:05:40,395 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2020-08-22 16:05:40,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-08-22 16:05:40,397 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:40,397 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:40,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 16:05:40,398 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:40,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:40,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1998771717, now seen corresponding path program 1 times [2020-08-22 16:05:40,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:40,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206205214] [2020-08-22 16:05:40,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,666 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:40,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 16:05:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:05:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:05:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 16:05:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 16:05:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:05:40,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206205214] [2020-08-22 16:05:40,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:05:40,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:05:40,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260081635] [2020-08-22 16:05:40,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:05:40,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:40,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:05:40,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:05:40,889 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 8 states. [2020-08-22 16:05:41,302 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:05:41,849 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 16:05:44,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:44,447 INFO L93 Difference]: Finished difference Result 1365 states and 1751 transitions. [2020-08-22 16:05:44,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 16:05:44,448 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2020-08-22 16:05:44,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:44,456 INFO L225 Difference]: With dead ends: 1365 [2020-08-22 16:05:44,456 INFO L226 Difference]: Without dead ends: 934 [2020-08-22 16:05:44,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-08-22 16:05:44,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-08-22 16:05:44,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 789. [2020-08-22 16:05:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-08-22 16:05:44,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 921 transitions. [2020-08-22 16:05:44,697 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 921 transitions. Word has length 109 [2020-08-22 16:05:44,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:44,698 INFO L479 AbstractCegarLoop]: Abstraction has 789 states and 921 transitions. [2020-08-22 16:05:44,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:05:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 921 transitions. [2020-08-22 16:05:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-08-22 16:05:44,702 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:44,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:44,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 16:05:44,703 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:44,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:44,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1262789055, now seen corresponding path program 1 times [2020-08-22 16:05:44,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:44,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319725124] [2020-08-22 16:05:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,031 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:45,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:05:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:05:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 16:05:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:05:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-22 16:05:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 16:05:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:05:45,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319725124] [2020-08-22 16:05:45,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288618461] [2020-08-22 16:05:45,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -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 [2020-08-22 16:05:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:45,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 9 conjunts are in the unsatisfiable core [2020-08-22 16:05:45,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:05:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:05:45,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:05:45,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-08-22 16:05:45,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735623485] [2020-08-22 16:05:45,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:05:45,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:45,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:05:45,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-08-22 16:05:45,818 INFO L87 Difference]: Start difference. First operand 789 states and 921 transitions. Second operand 8 states. [2020-08-22 16:05:46,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:46,268 INFO L93 Difference]: Finished difference Result 1513 states and 1777 transitions. [2020-08-22 16:05:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:05:46,268 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-08-22 16:05:46,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:46,273 INFO L225 Difference]: With dead ends: 1513 [2020-08-22 16:05:46,273 INFO L226 Difference]: Without dead ends: 752 [2020-08-22 16:05:46,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 139 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-08-22 16:05:46,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-08-22 16:05:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2020-08-22 16:05:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-08-22 16:05:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 862 transitions. [2020-08-22 16:05:46,426 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 862 transitions. Word has length 113 [2020-08-22 16:05:46,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:46,427 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 862 transitions. [2020-08-22 16:05:46,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:05:46,427 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 862 transitions. [2020-08-22 16:05:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-08-22 16:05:46,431 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:05:46,431 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:05:46,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-08-22 16:05:46,646 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:05:46,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:05:46,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1271659967, now seen corresponding path program 1 times [2020-08-22 16:05:46,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:05:46,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194471992] [2020-08-22 16:05:46,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:05:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:46,993 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:05:46,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:05:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:05:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:05:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:05:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 16:05:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:05:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 16:05:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 16:05:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:05:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 16:05:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-22 16:05:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-22 16:05:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 16:05:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 16:05:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 16:05:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-22 16:05:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:05:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-08-22 16:05:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-22 16:05:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-08-22 16:05:47,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194471992] [2020-08-22 16:05:47,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388092307] [2020-08-22 16:05:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -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 [2020-08-22 16:05:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:05:47,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 9 conjunts are in the unsatisfiable core [2020-08-22 16:05:47,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:05:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-08-22 16:05:47,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:05:47,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-08-22 16:05:47,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801746285] [2020-08-22 16:05:47,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:05:47,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:05:47,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:05:47,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-08-22 16:05:47,780 INFO L87 Difference]: Start difference. First operand 752 states and 862 transitions. Second operand 8 states. [2020-08-22 16:05:48,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:05:48,208 INFO L93 Difference]: Finished difference Result 1262 states and 1468 transitions. [2020-08-22 16:05:48,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:05:48,208 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-08-22 16:05:48,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:05:48,210 INFO L225 Difference]: With dead ends: 1262 [2020-08-22 16:05:48,210 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:05:48,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-08-22 16:05:48,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:05:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:05:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:05:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:05:48,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2020-08-22 16:05:48,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:05:48,239 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:05:48,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:05:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:05:48,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:05:48,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:05:48,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:05:49,502 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 240 [2020-08-22 16:05:50,436 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 240 [2020-08-22 16:05:51,603 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 258 [2020-08-22 16:05:51,717 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 205 [2020-08-22 16:05:52,711 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 247 [2020-08-22 16:05:53,782 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 257 [2020-08-22 16:05:54,480 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 206 [2020-08-22 16:05:55,418 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-22 16:05:56,059 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2020-08-22 16:05:56,211 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-22 16:05:56,376 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-22 16:05:56,567 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-08-22 16:05:56,734 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-08-22 16:05:57,359 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 27 [2020-08-22 16:05:57,581 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-08-22 16:05:57,763 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-22 16:05:58,233 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-22 16:05:58,424 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-08-22 16:05:58,932 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-08-22 16:05:59,414 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2020-08-22 16:06:00,484 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 208 DAG size of output: 24 [2020-08-22 16:06:01,358 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2020-08-22 16:06:01,885 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-08-22 16:06:02,363 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 15 [2020-08-22 16:06:02,575 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:06:02,754 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-08-22 16:06:02,920 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-08-22 16:06:03,764 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 27 [2020-08-22 16:06:03,930 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-08-22 16:06:04,413 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2020-08-22 16:06:04,598 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-22 16:06:05,069 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-08-22 16:06:05,276 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-08-22 16:06:05,761 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-08-22 16:06:06,238 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 19 [2020-08-22 16:06:06,436 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-08-22 16:06:06,602 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-22 16:06:07,065 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-08-22 16:06:07,557 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-08-22 16:06:08,063 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-08-22 16:06:09,101 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 207 DAG size of output: 24 [2020-08-22 16:06:09,586 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2020-08-22 16:06:09,763 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-08-22 16:06:09,921 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-22 16:06:10,088 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-08-22 16:06:10,650 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-08-22 16:06:10,816 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-08-22 16:06:10,982 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2020-08-22 16:06:11,153 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-22 16:06:11,329 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 27 [2020-08-22 16:06:11,842 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-08-22 16:06:12,353 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-08-22 16:06:12,530 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-08-22 16:06:13,592 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2020-08-22 16:06:13,996 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 19 [2020-08-22 16:06:14,482 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2020-08-22 16:06:14,987 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-08-22 16:06:15,186 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-08-22 16:06:15,376 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-08-22 16:06:15,891 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-22 16:06:16,476 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-08-22 16:06:16,480 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-22 16:06:16,480 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-22 16:06:16,481 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 16:06:16,482 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-22 16:06:16,482 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-22 16:06:16,482 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-22 16:06:16,482 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-22 16:06:16,482 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2020-08-22 16:06:16,482 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2020-08-22 16:06:16,482 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2020-08-22 16:06:16,483 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2020-08-22 16:06:16,483 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2020-08-22 16:06:16,483 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,483 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-08-22 16:06:16,484 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~3 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,484 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~3 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,484 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-08-22 16:06:16,484 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-08-22 16:06:16,484 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 16:06:16,485 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,485 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,485 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,485 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-08-22 16:06:16,485 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-22 16:06:16,485 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 16:06:16,486 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-08-22 16:06:16,487 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-22 16:06:16,487 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 16:06:16,487 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-08-22 16:06:16,487 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-22 16:06:16,487 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 16:06:16,487 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-08-22 16:06:16,487 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 (not .cse3)) (or .cse0 .cse2 .cse3))) [2020-08-22 16:06:16,487 INFO L268 CegarLoopResult]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2020-08-22 16:06:16,488 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-08-22 16:06:16,488 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-08-22 16:06:16,488 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-08-22 16:06:16,488 INFO L268 CegarLoopResult]: For program point L844(lines 844 852) no Hoare annotation was computed. [2020-08-22 16:06:16,488 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2020-08-22 16:06:16,489 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-08-22 16:06:16,489 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-08-22 16:06:16,489 INFO L268 CegarLoopResult]: For program point L840(lines 840 857) no Hoare annotation was computed. [2020-08-22 16:06:16,489 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2020-08-22 16:06:16,489 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2020-08-22 16:06:16,489 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2020-08-22 16:06:16,489 INFO L268 CegarLoopResult]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2020-08-22 16:06:16,489 INFO L271 CegarLoopResult]: At program point L1002(line 1002) the Hoare annotation is: true [2020-08-22 16:06:16,489 INFO L268 CegarLoopResult]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2020-08-22 16:06:16,490 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2020-08-22 16:06:16,490 INFO L268 CegarLoopResult]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2020-08-22 16:06:16,490 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2020-08-22 16:06:16,490 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2020-08-22 16:06:16,490 INFO L268 CegarLoopResult]: For program point L959(lines 959 967) no Hoare annotation was computed. [2020-08-22 16:06:16,490 INFO L268 CegarLoopResult]: For program point L959-2(lines 959 967) no Hoare annotation was computed. [2020-08-22 16:06:16,490 INFO L268 CegarLoopResult]: For program point L947(lines 947 955) no Hoare annotation was computed. [2020-08-22 16:06:16,490 INFO L268 CegarLoopResult]: For program point L947-2(lines 947 955) no Hoare annotation was computed. [2020-08-22 16:06:16,491 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 940 975) no Hoare annotation was computed. [2020-08-22 16:06:16,491 INFO L268 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-08-22 16:06:16,491 INFO L268 CegarLoopResult]: For program point L970-1(line 970) no Hoare annotation was computed. [2020-08-22 16:06:16,491 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 940 975) no Hoare annotation was computed. [2020-08-22 16:06:16,491 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 940 975) no Hoare annotation was computed. [2020-08-22 16:06:16,491 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2020-08-22 16:06:16,491 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2020-08-22 16:06:16,491 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-22 16:06:16,492 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-22 16:06:16,492 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-22 16:06:16,492 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-22 16:06:16,492 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-22 16:06:16,492 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-22 16:06:16,492 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-22 16:06:16,492 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-22 16:06:16,492 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-22 16:06:16,493 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,493 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,493 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-08-22 16:06:16,493 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-08-22 16:06:16,493 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2020-08-22 16:06:16,493 INFO L271 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: true [2020-08-22 16:06:16,493 INFO L268 CegarLoopResult]: For program point L925-1(line 925) no Hoare annotation was computed. [2020-08-22 16:06:16,493 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2020-08-22 16:06:16,493 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2020-08-22 16:06:16,494 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2))) [2020-08-22 16:06:16,494 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2020-08-22 16:06:16,494 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2020-08-22 16:06:16,494 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-08-22 16:06:16,494 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2020-08-22 16:06:16,494 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2020-08-22 16:06:16,494 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2020-08-22 16:06:16,494 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2020-08-22 16:06:16,495 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-08-22 16:06:16,495 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse0 .cse2 .cse4) (or .cse3 .cse1 .cse2))) [2020-08-22 16:06:16,495 INFO L268 CegarLoopResult]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2020-08-22 16:06:16,495 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-08-22 16:06:16,495 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse2)) (or .cse3 .cse1 .cse4) (or .cse3 .cse2 .cse1) (or .cse0 .cse1 .cse4))) [2020-08-22 16:06:16,495 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-08-22 16:06:16,495 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse4 .cse3 .cse1) (or .cse4 .cse1 .cse2))) [2020-08-22 16:06:16,496 INFO L268 CegarLoopResult]: For program point L868-1(line 868) no Hoare annotation was computed. [2020-08-22 16:06:16,496 INFO L268 CegarLoopResult]: For program point L866(lines 866 883) no Hoare annotation was computed. [2020-08-22 16:06:16,496 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2020-08-22 16:06:16,496 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2020-08-22 16:06:16,496 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,496 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 16:06:16,496 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-08-22 16:06:16,496 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-08-22 16:06:16,497 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-08-22 16:06:16,497 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-08-22 16:06:16,497 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-08-22 16:06:16,497 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-08-22 16:06:16,497 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-08-22 16:06:16,497 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-08-22 16:06:16,497 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-08-22 16:06:16,497 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-08-22 16:06:16,498 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2020-08-22 16:06:16,498 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-08-22 16:06:16,498 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-08-22 16:06:16,498 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-08-22 16:06:16,498 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-08-22 16:06:16,498 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-22 16:06:16,498 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-22 16:06:16,498 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-22 16:06:16,498 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-22 16:06:16,499 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-22 16:06:16,499 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-22 16:06:16,499 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= 2 ~waterLevel~0))) [2020-08-22 16:06:16,499 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2020-08-22 16:06:16,499 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2020-08-22 16:06:16,499 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2020-08-22 16:06:16,499 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2020-08-22 16:06:16,499 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2020-08-22 16:06:16,500 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-08-22 16:06:16,500 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-08-22 16:06:16,500 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) [2020-08-22 16:06:16,500 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-08-22 16:06:16,500 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-08-22 16:06:16,500 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-08-22 16:06:16,500 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2020-08-22 16:06:16,500 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-08-22 16:06:16,500 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-08-22 16:06:16,501 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-08-22 16:06:16,501 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2020-08-22 16:06:16,501 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-22 16:06:16,502 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-22 16:06:16,503 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 671 680) no Hoare annotation was computed. [2020-08-22 16:06:16,503 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 671 680) no Hoare annotation was computed. [2020-08-22 16:06:16,503 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 671 680) no Hoare annotation was computed. [2020-08-22 16:06:16,503 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:06:16,503 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 16:06:16,503 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:06:16,503 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2))) [2020-08-22 16:06:16,504 INFO L268 CegarLoopResult]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-08-22 16:06:16,504 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-08-22 16:06:16,504 INFO L268 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 637 645) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L268 CegarLoopResult]: For program point L985(lines 985 989) no Hoare annotation was computed. [2020-08-22 16:06:16,504 INFO L271 CegarLoopResult]: At program point L983(line 983) the Hoare annotation is: true [2020-08-22 16:06:16,505 INFO L268 CegarLoopResult]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2020-08-22 16:06:16,505 INFO L268 CegarLoopResult]: For program point L983-1(line 983) no Hoare annotation was computed. [2020-08-22 16:06:16,505 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2020-08-22 16:06:16,505 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2020-08-22 16:06:16,505 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:06:16,505 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 16:06:16,505 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:06:16,505 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 |old(~methaneLevelCritical~0)|)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)))) [2020-08-22 16:06:16,505 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2020-08-22 16:06:16,505 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-08-22 16:06:16,505 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not .cse3)) (.cse2 (and .cse3 .cse4 (not (= |old(~pumpRunning~0)| 0)) .cse5))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2)))) [2020-08-22 16:06:16,506 INFO L264 CegarLoopResult]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse1 (and .cse6 .cse4 .cse7)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (and (<= 2 ~waterLevel~0) .cse4) (and .cse3 .cse6 .cse4))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 (and .cse2 .cse7 .cse4) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse0 .cse5 .cse6)))) [2020-08-22 16:06:16,506 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse1 .cse2) (or .cse0 .cse4 .cse1))) [2020-08-22 16:06:16,506 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2020-08-22 16:06:16,506 INFO L268 CegarLoopResult]: For program point L782(lines 781 800) no Hoare annotation was computed. [2020-08-22 16:06:16,506 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2020-08-22 16:06:16,506 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2020-08-22 16:06:16,506 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-08-22 16:06:16,506 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-08-22 16:06:16,507 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-08-22 16:06:16,507 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-08-22 16:06:16,507 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-08-22 16:06:16,507 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-08-22 16:06:16,507 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-08-22 16:06:16,507 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-08-22 16:06:16,507 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-08-22 16:06:16,507 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-22 16:06:16,507 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2020-08-22 16:06:16,507 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2020-08-22 16:06:16,507 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2020-08-22 16:06:16,507 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-08-22 16:06:16,507 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-08-22 16:06:16,508 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-08-22 16:06:16,508 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-08-22 16:06:16,508 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-08-22 16:06:16,508 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:06:16,508 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 16:06:16,508 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:06:16,508 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:06:16,508 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2020-08-22 16:06:16,508 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-08-22 16:06:16,508 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2020-08-22 16:06:16,508 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2020-08-22 16:06:16,508 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-08-22 16:06:16,509 INFO L268 CegarLoopResult]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2020-08-22 16:06:16,509 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2020-08-22 16:06:16,509 INFO L264 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not .cse2)) (or .cse3 .cse1 .cse2) (or .cse0 .cse3 .cse1))) [2020-08-22 16:06:16,509 INFO L264 CegarLoopResult]: At program point L820(line 820) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not .cse2)) (or .cse3 .cse1 .cse2) (or .cse0 .cse3 .cse1))) [2020-08-22 16:06:16,509 INFO L268 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2020-08-22 16:06:16,509 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~pumpRunning~0)| 0))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 (not .cse3)) (or .cse0 .cse2 .cse3))) [2020-08-22 16:06:16,509 INFO L268 CegarLoopResult]: For program point L816-1(line 816) no Hoare annotation was computed. [2020-08-22 16:06:16,509 INFO L268 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2020-08-22 16:06:16,509 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2020-08-22 16:06:16,509 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-08-22 16:06:16,510 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= ~pumpRunning~0 0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-22 16:06:16,510 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-08-22 16:06:16,510 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-08-22 16:06:16,510 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-08-22 16:06:16,510 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-08-22 16:06:16,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:06:16 BoogieIcfgContainer [2020-08-22 16:06:16,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:06:16,531 INFO L168 Benchmark]: Toolchain (without parser) took 66951.09 ms. Allocated memory was 143.7 MB in the beginning and 952.1 MB in the end (delta: 808.5 MB). Free memory was 98.6 MB in the beginning and 610.4 MB in the end (delta: -511.8 MB). Peak memory consumption was 810.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:16,531 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:06:16,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.69 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 98.4 MB in the beginning and 163.2 MB in the end (delta: -64.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:16,533 INFO L168 Benchmark]: Boogie Preprocessor took 160.11 ms. Allocated memory is still 200.8 MB. Free memory was 163.2 MB in the beginning and 158.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:16,533 INFO L168 Benchmark]: RCFGBuilder took 1293.78 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 158.9 MB in the beginning and 183.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:16,534 INFO L168 Benchmark]: TraceAbstraction took 64758.20 ms. Allocated memory was 228.6 MB in the beginning and 952.1 MB in the end (delta: 723.5 MB). Free memory was 183.2 MB in the beginning and 610.4 MB in the end (delta: -427.2 MB). Peak memory consumption was 810.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:16,537 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 143.7 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.69 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 98.4 MB in the beginning and 163.2 MB in the end (delta: -64.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 160.11 ms. Allocated memory is still 200.8 MB. Free memory was 163.2 MB in the beginning and 158.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1293.78 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 158.9 MB in the beginning and 183.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 64758.20 ms. Allocated memory was 228.6 MB in the beginning and 952.1 MB in the end (delta: 723.5 MB). Free memory was 183.2 MB in the beginning and 610.4 MB in the end (delta: -427.2 MB). Peak memory consumption was 810.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || (((1 == systemActive && pumpRunning == 0) && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.6s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 28.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1898 SDtfs, 2573 SDslu, 3017 SDs, 0 SdLazy, 7317 SolverSat, 1691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 650 SyntacticMatches, 10 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 722 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1892 PreInvPairs, 1985 NumberOfFragments, 2024 HoareAnnotationTreeSize, 1892 FomulaSimplifications, 109009100 FormulaSimplificationTreeSizeReduction, 6.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 2996965 FormulaSimplificationTreeSizeReductionInter, 21.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1336 NumberOfCodeBlocks, 1336 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 449973 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1825 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 116/121 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...